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  • 201.
    Berglund Snodgrass, Lina
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Högström, Ebba
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Planerarrollen i samtid och framtid: Kunskaper, förmågor och färdigheter2018In: Nordic Journal of Architectural Research, ISSN 1236-6064, E-ISSN 1893-5281, Vol. 30, no 3, p. 135-156Article in journal (Refereed)
    Abstract [en]

    Societal challenges affect the ways in which planning is carried out and contribute to new expectations and demands for the skills and abilities of the planner. From having almost solely focused on the regulations of land use through the development of land use plans, have, for example, the facilitator, coordinator, process manager, catalyst, urban designer and spatial agent become new possible roles for the planner to adopt. This article discusses future planning roles and what conceptions spatial planning students have of their future profession. What fundamental knowledge do students need to achieve for their future professional practice? How do they perceive the role of the planner? And, what kind of planner do we, de facto, educate?

  • 202.
    Berglund Snodgrass, Lina
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Nord, Catharina
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    The Continuation of Dwelling: Safety as a Situated Effect of Multi-Actor Interactions Within Extra-Care Housing in Sweden2019In: Journal of Housing for the Elderly, ISSN 0276-3893, E-ISSN 1540-353X, Vol. 33, no 2, p. 171-188Article in journal (Refereed)
    Abstract [en]

    This article examines the space–time situatedness of residing within extra-care housing (ECH) in Sweden. EHC constitutes an example of ordinary housing but is often categorized, along with senior housing, as “in-between housing.” What differentiates the extra-care housing from the ordinary is an age limit for moving in, the provision of communal facilities, and the presence of staff at certain times each week. Two housings with different environmental and architectural conditions have been analyzed through spatial analyses, observations, and interviews with residents (n = 18). The article concludes that the two different assemblings enabled two very different possibilities for accessing “safe aging.” One offered opportunities for the continuation of identities which contributed to feelings of safety, and one demanded the reconstitution of identities for developing meaning in the new housing.

  • 203.
    Berglund-Snodgrass, Lina
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Greinke, Lena (Contributor)
    Leibniz University Hanover, Germany.
    Editorial: Making Space for Hope: Exploring its Ethical, Activist and Methodological Implications2019In: plaNext. Next generation planning, ISSN 2468-0648, Vol. 8, p. 6-9, article id 10.24306/plnxt/41Article in journal (Other academic)
    Abstract [en]

    This volume is a special issue with contributions that stem from the collaborations of the 2018 AESOP PhD workshop, held 5-8 July at Tjärö island, Sweden. The overarching aim of the workshop was to establish inclusive spaces for dialogue and collaboration between PhD students across countries and continents on issues that pertained to the AESOP’s 2018 congress theme “Making space for hope”. 

  • 204.
    Berglund-Snodgrass, Lina
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Mukhtar-Landgren, Dalia
    Greinke, Lena
    Editorial: Making Space for Hope: Exploring its Ethical, Activist and Methodological Implications2019In: plaNext, ISSN 2468-0648, Vol. 8, p. 6-9Article in journal (Other academic)
    Abstract [en]

    [From the introduction] This volume is a special issue with contributions that stem from the collaborations of the 2018 AESOP PhD workshop, held 5-8 July at Tjärö island, Sweden. The overarching aim of the workshop was to establish inclusive spaces for dialogue and collaboration between PhD students across countries and continents on issues that pertained to the AESOP’s 2018 congress theme “Making space for hope”. Furthermore the PhD students got the chance to learn from the invited mentors with long experience from the academic planning field. The theme drew from a recognition of the severe challenges facing the world at present, for example, challenges coupled with the climate crisis, growing social inequalities, rapid population growth in urban regions and de-population trends in peripheral regions.

  • 205.
    Bergman, Gösta
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Planering för trygghet: En undersökning om narrativs betydelse för den fysiska planeringen2018Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [sv]

    Sammanfattning

    Att planera för mer trygga och jämställda miljöer där både män och kvinnor, barn och gamla känner en större känsla av trygghet är väldigt aktuellt inom den fysiska planeringen. Uppsatsen tar avstamp i problematiken om att det finns en vilja att planera för trygghet men att det saknas riktlinjer i hur trygghet och jämställdhet kan uppnås.

    Uppsatsen syftar till att bidra med en ökad kunskap och förståelse kring möjligheten och förmågan att planera för trygghet genom att se till olika gömda narrativ om trygghet. Problemformuleringen har operationaliserats i tre frågor som senare ska diskuteras.

    —   Hur genereras kunskap om trygghet inom planeringen?               

    —   Vilka antaganden om trygghet finns inom planeringen?

    —   Vilka åtgärder föreslås för att åstadkomma tryggare miljöer? 

    Uppsatsen teoretiska perspektiv bygger på postrukturalism och intersektionalitet som både är två teoretiska ansatser som ämnar att se bortom det hegemoniska narrativet för att hitta de historier och berättelser som gömmer sig bakom den. Intersektionella perspektivet hävdar att det finns maktstrukturer i samhället baserade på genus, klass och etnicitet som hindrar vissa berättelser från att berättas. Den tidigare forskningen fokuserar på maktrelationer och speciellt den mellan män och kvinnor och den otrygghet kvinnor känner för vissa offentliga platser.

    Undersökningen av trygghetsvandringarna visar på att det är snarare ålder än genus som påverkar en aktörs upplevda känsla av otrygghet. Vidare ses ungdomar som de aktörer som orsakar otrygghet medan barn och äldre ses som de aktörer som upplever otrygghet. Resultatet visar också på att narrativen är väldigt skilda och att det finns många scener som uppfattas otrygga.

    Diskussion lyfter problematiken med tanken om kunskap som något objektivt, något som kan legitimera en viss typ av fysisk åtgärd i planeringen. Den kunskap som trygghetsvandringar genererar argumenteras för att vara en reproducering av en redan berättade historia om trygghet. En berättelse baserad på en hegemonisk föreställning om vad trygghet innebär. Vidare diskuteras att de antaganden som finns om trygghet i planeringen inte nödvändigtvis behöver vara sanna. Idén om att genus är en de viktig faktor om man ser till maktrelationer och vilka berättelser om trygghet som har möjlighet att berättas kan ifrågasättas då enligt undersökningen är snarare ålder som avgör aktörers möjlighet att berätta sina historier. Vidare diskuteras hur fysiska åtgärder för att skapa en tryggare miljö kan verkligen leda till tryggare miljöer, huruvida detta är en placeboeffekt kan diskuteras.

    Utifrån undersökningen samt diskussion har följande slutsatser dragits. Kunskap är en viktig faktor inom planeringen för att legitimera vissa typer av åtgärder. De narrativ som har identifierats visar på att den kunskap som generas är en reproducering av en redan etablerad berättelse över vad trygghet är och vad det innebär att vara otrygg. Vidare visar undersökningen att de antaganden som finns över trygghet inte nödvändigtvis behöver vara sanna. De identifierade narrativen visar att det är snarare ålder som maktfaktor än genus som förklarar vilka berättelser som blir hörda. Vidare visar undersökningen att otrygghet kan planeras bort med hjälp av fysiska åtgärder men då skapandet av en placeboeffekt. För att skapa riktig trygghet behöver det sociala och maktrelationerna mellan olika aktörer tas med in i ekvationen. Mångfalden av personer och berättelser visar på en svårighet att planera för en trygg miljö där alla känner sig inkluderade. Till sist dras slutsatsen att trygghetsvandringarna som medel sätter själva ramarna för vilka berättelser som blir berättade. 

  • 206.
    Bergman, Jenny
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Knudsen, Cristina
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Seely, Kate
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Building Collaborative Relationships for a Sustainable Finance System2014Independent thesis Advanced level (degree of Master (One Year))Student thesis
    Abstract [en]

    Society today faces unprecedented social and environmental challenges that are both complex in nature and require immediate and severe action. The financial system is a complex system that has an important impact on the sustainable development of society. Currently, however, the role of the finance system in sustainability is ambivalent, as it invests both in the causes of the sustainability challenge as well as its potential solutions. As the finance system is a complex system collaboration is needed to make change possible. Relationships are a key component of collaboration, and this research looks closer at how relationship building can enable effective collaboration aimed at finance systems change. Research draws on Literature, and a case study of the Finance Innovation Lab including 19 qualitative interviews. In order to build collaborative relationships for a sustainable finance system the results point to: 1) the importance of the individual being present in the initiative rather than the organization they represent, and the importance of connecting on personal level; 2) the complexity of relationship building, with different processes and key elements interrelating; and 3) collaborative relationships being only one part of systemic transformation, requiring also a diversity of people and a clear structure and common strategy to be effective in achieving their goals.

  • 207.
    Bergman, Karl
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Qu’y avait-il de « moderne » dans les ports militaires de Suède aux XVIIe etXVIIIe siècle ? L’exemple de Karlskrona: What Was “Modern” about Naval Cities in 17th and 18th century Sweden?2015In: REVUE D’HISTOIRE NORDIQUE, ISSN 1778-9605, no 18, p. 99-125Article in journal (Other academic)
    Abstract [en]

    Could the early modern naval city be considered something special for its time, a city unlike other early modern cities? This article argues, using the example of Karlskrona in Sweden, that the European naval city in the late seventeenth and early eighteenth centuries became what could be labelled a ‘hub’, where older ways of thinking and acting were confronted on a new level. The driving force behind this confrontation was Sweden’s ambition to become the major player in the Baltic Sea. With this military ambition followed new demands on existing methods of production and the handling of diseases. In order to reach its goals, Sweden had to build up a strong military state based on established trading networks in the Baltic area, and as these networks were in the hands of burghers, the state had to integrate them into its project by negotiation. It did not help that it was thought the success of the project relied on founding a new naval city in an area only recently conquered from Denmark. The sheer scale of Sweden’s ambitions is shown by the plans for the new city, built on a couple of uninhabited islands in the far south-east of the country, and requiring the mass relocation of burghers out to the islands and the creation of a naval base and shipyard. Together, this created an environment for new encounters and new solutions.

  • 208.
    Bergqvist, Gabriel
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Industrial Economics.
    Botero Aristizábal, Diego Fernando
    E-book market adoption in Sweden2018Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this thesis is to contribute to the knowledge about why customers select e-books, paper books or audiobooks, and what differences exist for different customer groups.

    Considering that publishing is a really old business, well established hundreds of years before the internet, it is not surprising that disruptive new concepts as e-books, audiobooks and the internet require the companies to change their way of doing and looking upon business. Organisations need to alter their dominant logic in an appropriate way in order to be able to compete with newcomers that are not attached to an “old” dominant logic.

    Even though Swedish people are tech-savvy, the e-book market account for a very small proportion compared to the total book market. One important reason for the low proportion of e-books and digital audiobooks is that it is a relatively new market. It takes time for a new market to expand. Another reason is that many companies believe that profitability is too low. The fact that e-books and audiobooks have to pay 25 percent in VAT while the VAT on paper books is 6 percent doesn’t help.

    The impact of eBooks and audiobooks on the book market is related to the ease or difficulty of potential readers to utilise the available technical aids. This question has been analysed in the context of three partially overlapping theories about the individual's adoption of new technology. They are Technology Acceptance Model (TAM), the United Theory of Acceptance and Use of Technology (UTAUT) and Intrinsic and Extrinsic Motivation Theory. Furthermore, some theories for understanding of individuals' adoption of technical innovations in the book market are used. These are the Adoption-Diffusion Theory and the Innovation-Decision process.

    In order to gain increased knowledge about determining factors for readers' choice of eBook and paper book, a survey was conducted. Aspects such as demographics, reading habits, willingness to use eBook related services and interest in self-publishing a book were analysed. In our survey, we limit ourselves to an analysis of various individual factors that influence the individual's choice between e-books/audio books and paper books. The survey provides a lot of interesting findings. "Early adopters" in our survey are those who prefer the electronic option, but at the same time read many paper books. It is in this group we find the most frequent readers, not among the traditional paper book readers. Moreover, a low price of e-books relative to paper books makes it easier for readers to adopt e-books. We also found that the group of books who prefer paper books are de facto interested in e-books, but only if they are free or by subscribing to them.

    The technical conditions for expanding the market for e-books and audiobooks in Sweden are very good. The digital maturity and technical infrastructure are at the top of the world. Virtually all households have the technical equipment needed for digital books, especially among younger people. However, the market for e-books and audiobooks is quite new, which means that it is still very small compared to paper books. However, the rate of growth is high, especially in the form of subscription services.

  • 209.
    Bergqvist, Jimmy
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Should I stay or should I go?: En fallstudie om krympande kommuners inställning till befolkningsminskningar2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Många av Sveriges kommuner krymper. Trenden sett till det halvlånga perspektivet, de senaste femton åren, ger att invånarantalet i knappt hälften av landets kommuner är lägre nu än det var vid millennieskiftet. Även sett i ett något längre perspektiv, sedan mitten av sjuttiotalet, är antalet krympande kommuner ungefär lika stort som nu. När fenomenet krympande kommuner är så pass vanligt som det ändå är och har varit i så pass många år så vill man gärna tro att frågan om befolkningsminskningar och hur de kan och bör hanteras vore en viktig fråga för de krympande kommunerna att behandla i sina översiktsplaner.

    Jämfört med hur dåligt undersökt ämnet krympande städer är i Sverige blir kontrasten mot ett par andra länder i främst Europa slående. I Tyskland finns det bland annat ett nationellt program som syftar till att hjälpa krympande städer att anpassa sin fysiska struktur till de nya befolkningsmässiga förutsättningarna. Den tyske forskaren Thorsten Wiechmanns studie av staden Dresden mynnade bland annat ut i en modell med tre stadsbyggnadsmässiga faser som Wiechmann menar att Dresden gått igenom sedan början av 1990-talet. I det här arbetet översätts modellen med de tre faserna i en matris och ett försök görs att tolka dem och försöka applicera modellen på krympande svenska kommuner. De frågeställningar som behandlas är:

    - Hur kan översiktsplanering i krympande svenska kommuner förstås utifrån Wiechmanns faser?

    - Vilka typer av strategier för att hantera befolkningsminskning upplevs som verkningsfulla av svenska kommuner?

    Det här arbetet tar ett innehållsanalytiskt och tematikanalytiskt grepp på översiktsplanering i krympande svenska kommuner. Fyra kommuner ingår i studien, dessa är i bokstavsordning Emmaboda kommun, Laxå kommun, Olofströms kommun och Skinnskattebergs kommun som alla har upplevt en befolkningsminskning på mer än fem procent sedan millennieskiftet och mer än femton procent sedan mitten av sjuttiotalet. I studien ingår två översiktsplaner från respektive kommun, totalt åtta översiktsplaner. Översiktsplanerna är de två senaste lagakraftvunna översiktsplanerna, vilka analyseras med avseende på hur de kan inordnas i en på förhand bestämd mall, konstruerad efter modellen med Wiechmanns tre faser.

    Resultatet av studien visar att översiktsplanerna, både de tidigare och de nu gällande, i allra högsta grad befinner sig i den andra av Wiechmanns tre faser, och väldigt lite har skett mellan de båda generationerna översiktsplaner. Den förändring som trots allt har skett är en svag rörelse mot den tredje fasen, men trenden är inte på något sätt tydlig. De strategier som verkar upplevas som verkningsfulla handlar till stor del om att: skapa attraktiva boendemiljöer, skapa ett varierat och brett bostadsutbud och se till att kommunens arbete utförs på ett professionellt sätt.

    Slutsatsen är att det fortfarande efter den här studiens färdigställande är oklart om översiktsplanering i krympande svenska kommuner alls kan förstås med hjälp av Wiechmanns tre faser och att fortsatta studier på ämnet, gärna med en längre tidshorisont kanske kan ge svar på om det krävs att en ny modell utarbetas - en modell där faserna bättre stämmer överens med situationen i svenska krympande kommuner. 

  • 210.
    BERGQVIST, JIMMY
    Blekinge Institute of Technology, Faculty of Engineering, Department of Spatial Planning.
    Staden i bildspråk: om planering och legitimitet genom metaforer2017Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [sv]

     

    De senaste decenniernas förskjutning mot governance har gjort samhällsplaneringen alltmer komplex och fler aktörer har tagit plats i planeringen. De viljor och ideal som dessa aktörer har kommer till uttryck bland annat genom språkbruket i arkitekttävlingar, ett språkbruk som innehåller många metaforer. Ett flertal studier har kunnat påvisa metaforernas påverkanskraft på mänskliga resonemang - genom att tala om världen på ett särskilt sätt kan metaforerna legitimera vissa handlingar och världsbilder och samtidigt osynliggöra andra.

     

    I syfte att synliggöra det språkbruk som präglar samtida arkitekttävlingar ämnar den här uppsatsen att besvara två frågor: vilka begreppsliga metaforer används i samtida svenska arkitekttävlingar för stadsdelar? samt vilka problem, åtgärder och aktörer legitimeras av bruket av metaforer i arkitekttävlingarna? Genom att anlägga ett perspektiv från den kognitiva lingvistiken och utföra en metaforanalys på språkbruket i fem olika arkitekttävlingar för stadsdelar upptäcker den här studien att metaforerna som används i samtida tävlingar visar en stor bredd av dels teman och ämnen och dels åtgärder och aktörer som legitimeras i tävlingarna. Metaforerna representerar både levande och icke-levande domäner, både vardagsnära och mer branschspecifika. De teman som kan skönjas är: den biologiska staden, staden som kultur och media, att driva staden som ett företag, staden som svärd och sköld, staden som egendom, när staden blir sin motsats, den mekaniska staden, staden som håller ihop och staden som ännu inte finns. Det finns tendenser i materialet att icke-levande ting tillskrivs en agens som de i bokstavlig mening inte kan ha och att flera av de åtgärder som legitimeras i materialet har en tydlig geografisk profil där vissa platser i staden premieras framför andra.

  • 211.
    Bergsborn, Johanna
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    Elofsson, Linnea
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    I nöd och lust: Anhörigas beskrivningar av sin livssituation när en familjemedlem drabbas av Alzheimers sjukdom - ur ett make/maka perspektiv: En litteraturstudie baserad på patografier2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Sammanfattning

    Bakgrund: Alzheimers sjukdom är en sjukdom med långsamt förlopp. Den drabbades minne försämras gradvis och symtom så som aggressioner, tolkningssvårigheter, lokalsinne osv. försämras. Alzheimers sjukdom brukar i vardagligt tal kallas för ”de anhörigas sjukdom”. Anhöriga som tidigare haft en kärleksrelation med sin make/maka får nu anta rollen som vårdare och därmed ansvara för sin make/makas liv men också det praktiska runt omkring. Vården bär således även ansvaret att genomföra tre genomföra tre samtal med familjen, dels familjesamtal, samt att vården skall skicka ut ett avslutande brev, och det skall ske en uppföljning med familjen. 

    Syfte: Anhörigas beskrivningar av sin livssituation när en familjemedlem drabbas av Alzheimers sjukdom – ur ett make/maka perspektiv 

    Metod: En kvalitativ litteraturstudie som baserades på fyra patografier som framtagits via en sökning på Libris. Data har analyserats genom en kvalitativ innehållsanalys utifrån Graneheim, Lindgren och Lundman (2017) och deras exempel på en analys.  

    Resultat: I studien framkom fyra kategorier. Kategorin upplevda känslor orsakade av en förändrad relationhandlar om hur den friska partnern upplever hur relationen till make/maka förändras i form av att ha blivit en vårdare. I kategorin känslan av ökat ansvar hos den anhörigebeskrivs upplevelser av att ha fått olika typer av ansvar i deras nya livssituation. I kategorin sorgekänslor i vardagen hos den anhörigeframkommer det en enorm sorg som författarna bär på samt att de får en försämrad livskvalité. Den slutgiltiga kategorin heter skuldkänslor i beslutsfattande situationer i vardagen och handlar om skuld och dåligt samvete i olika situationer som uppstår under sjukdomsförloppet. 

    Slutsats:Studien visade att makar till en familjemedlem med Alzheimers sjukdom påverkas oerhört mycket psykiskt. Efter att ha blivit vårdare och vårdat sin sjuka partner under flera år framkom det att även den friska får en försämrad livskvalité med oro, sorg och skuldkänslor. Anhöriga får även ett ökat ansvar då de ofta saknar hjälp och stöd. Familjefokuserad omvårdnad handlar om att även anhöriga ska sättas i fokus och få det stöd och hjälp de behöver. Denna studien visar dock på att anhöriga inte får tillräckligt med hjälpinsatser för att klara vårda sin sjuka familjemedlem utan att själv påverkas negativt. 

  • 212.
    Bergschöld, Patrik
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Industrial Economics.
    Källgren, Martin
    Blekinge Institute of Technology, Faculty of Engineering, Department of Industrial Economics.
    How to motivate employees in order to succeed with Open Innovation Projects2014Independent thesis Advanced level (degree of Master (One Year))Student thesis
    Abstract [en]

    Today, internal resources are limited and could not master all new technologies that have emerged during the last few decades. The complexity and depth needed is too costly to maintain in house so the internal innovation functions have to be decreased as they do not generate enough return on their investment. Companies need to find new ways to meet their growth targets and one way is to leverage their innovation capabilities by using external innovations and not just rely on internal innovation. But changing the game from internal closed to open innovation comes with challenges when it comes to company culture and how the employees adapt. Open innovation can create conflicts between the internal team and external team. The internal employee might feel that their work is taken from them, increasing the risk of losing their jobs and specialists might become skeptical to an alternative solution in an innovation. To harvest the full advantage of open innovation the internal employees need not to resist open innovation and become motivated to participate and work with open innovation according to a best practice. This has led us to the Research Question: How could employees’ motivation be enhanced in Open Innovation Projects? The purpose of this paper was to identify key motivational factors for employees in open innovation projects as well as what can be done to enhance motivation in open innovation. Our hope is that the findings can be utilized in making open innovation projects more efficient and in the end contributing to a more efficient use of resources and a stronger economy. We have done a multiple case study with six European companies working with open innovation. Ten in-depth interviews have been conducted with employees at these companies. Based on extensive motivational theory like intrinsic and extrinsic motivational factors, we have analyzed the motivations of the employees with qualitative methodology. Our findings show that to succeed with open innovation there are certain factors that stand out particular to open innovation, while other factors are relevant to all types of innovation. In order to fully exploit the potential of open innovation you need to find employees that are motivated by working with external contacts and celebrate collaboration. The employees need to have self-awareness that open innovation pose an opportunity to take advantage of external competence for his or her development as well as the opportunity develop better and faster products or service for the company. To enhance motivation among the employees each organization can facilitate open innovation centrally to reduce to resistance to undertake the effort to change way of working. Another key area to enhance motivation for open innovation is recognition of employees.

  • 213.
    Bergström, Lovisa
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    Fornander, Hanna
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    Sjuksköterskors erfarenheter av kommunikation med patienter från annan kulturell bakgrund: En litteraturstudie2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Sammanfattning 

    Bakgrund: Att ha förmågan att kommunicera med patienter från annan kultur är högst aktuellt inom hälso- och sjukvården. Vi lever i ett föränderligt samhälle och sjuksköterskan kommer troligtvis att behöva mer kunskap om kommunikation då denna har en stor betydelse inom omvårdnad. Att ha förmågan att kommunicera med patienter från annan kulturell bakgrund ger därför bättre förutsättningar för en fungerande kommunikation och risken för att missförstånd uppstår minskar. 

    Syfte: Syftet var att beskriva sjuksköterskors erfarenheter av kommunikation med patienter från annan kulturell bakgrund. 

    Metod: En litteraturstudie som baserades på 15 vetenskapliga artiklar med kvalitativ design. En kvalitativ innehållsanalys med induktiv ansats har genomförts enligt Graneheim och Lundman. Innehållsanalysen var manifest och beskriver det synliga i texten. 

    Resultat: Analysen mynnade ut i tre huvudkategorier och fyra underkategorier. Kategorierna beskriver sjuksköterskors erfarenheter av att kommunicera med patienter från annan kulturell bakgrund. Här framkommer sjuksköterskors erfarenheter av behovet av att använda strategier för att kommunicera, utmaningar i kommunikationen språk samt sjuksköterskans behov av att ta hjälp av andra för att kommunicera. Sjuksköterskorna erfor att både verbal och icke-verbal kommunikation spelade stor roll i mötet med patienten för att kunna bidra med en god omvårdnad. 

    Slutsats: Studien kan ge sjuksköterskor redskap till att kommunicera med patienter från annan kulturell bakgrund eftersom problemet tydliggörs och lyfts fram. Strategier som den verbala och icke-verbala kommunikationen kompletterar varandra för att bidra till en god kommunikation och därmed en god omvårdnad. 

    Nyckelord: erfarenhet, kommunikation, kultur, kvalitativ, sjuksköterska

  • 214.
    Berner, Jessica
    et al.
    Blekinge Institute of Technology, Faculty of Health Sciences, Department of Health.
    Rennemark, Mikael
    Blekinge Institute of Technology, Faculty of Health Sciences, Department of Health.
    Jogreus, Claes
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.
    Anderberg, Peter
    Blekinge Institute of Technology, Faculty of Health Sciences, Department of Health.
    Sköldunger, Anders
    Wahlberg, Maria
    Elmståhl, Sölve
    Berglund, Johan
    Blekinge Institute of Technology, Faculty of Health Sciences, Department of Health.
    Factors influencing Internet usage in older adults (65 years and above) living in rural and urban Sweden2015In: Health Informatics Journal, ISSN 1460-4582, E-ISSN 1741-2811, Vol. 21, no 3, p. 237-249Article in journal (Refereed)
    Abstract [en]

    Older adults living in rural and urban areas have shown to distinguish themselves in technology adoption; a clearer profile of their Internet use is important in order to provide better technological and health-care solutions. Older adults' Internet use was investigated across large to midsize cities and rural Sweden. The sample consisted of 7181 older adults ranging from 59 to 100 years old. Internet use was investigated with age, education, gender, household economy, cognition, living alone/or with someone and rural/urban living. Logistic regression was used. Those living in rural areas used the Internet less than their urban counterparts. Being younger and higher educated influenced Internet use; for older urban adults, these factors as well as living with someone and having good cognitive functioning were influential. Solutions are needed to avoid the exclusion of some older adults by a society that is today being shaped by the Internet.

  • 215.
    Berthelsen, Connie Bottcher
    et al.
    Zealand Univ Hosp; Aarhus Univ, DNK.
    Kristensson, Jimmie
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    The SICAM-trial: evaluating the effect of spouses' involvement through case management in older patients' fast-track programmes during and after total hip replacement2017In: Journal of Advanced Nursing, ISSN 0309-2402, E-ISSN 1365-2648, Vol. 73, no 1, p. 112-126Article in journal (Refereed)
    Abstract [en]

    AimThe aim of this study was to evaluate the effect of spouses' involvement in older patients' care trajectories, using case management as intervention in total hip replacement through fast-track programmes. BackgroundPatients need their spouses to be involved in their fast-track programmes and this involvement is often associated with improvements in patient outcomes. However, the effect of spouses' involvement in older patients' fast-track programmes has not yet been investigated. DesignA two-group quasi-experimental design with pre-test and repeated post-test measures was conducted in an orthopaedic ward of a Danish Regional Hospital from February 2014-June 2015. Spouse-patient dyads were initially recruited for the control group (n=14), receiving usual care; dyads for the intervention group (n=15) were recruited afterwards, receiving case management intervention elements before, during and after admission. MethodsFace-to-face interviews on questionnaires were conducted with spouses and patients at baseline, 2weeks and 3months after discharge, measuring spouses' caregiver satisfaction, difficulties and level of anxiety and patients' functional and nutritional status, pain and level of depression. ResultsThe results showed that there were no differences between the groups with regard to any of the outcome measures. However, statistically significant improvements were found in the patient groups on functional status, pain and depression and in the groups of spouses on caregiver satisfaction. ConclusionThe case management intervention seemed to have an effect in patient and spousal groups; however, this improvement could also have been caused by the effect of fast-track treatment.

  • 216.
    Berthelsen, Connie Bøttcher
    et al.
    Aarhus Universitet, DEN.
    Kristensson, Jimmie
    Blekinge Institute of Technology, Faculty of Engineering, Department of Health.
    A sense of security: Spouses' experiences of participating in an orthopaedic case management intervention (the SICAM-trial)2017In: International Journal of Orthopaedic and Trauma Nursing, ISSN 1878-1241, E-ISSN 1878-1292, Vol. 24, p. 21-30Article in journal (Refereed)
    Abstract [en]

    The aim of the study was to explore and describe spouses' experiences of participating in a case management intervention during older patients' fast-track programme having total hip replacement as well as which intervention elements they found useful. Data were collected through qualitative interviews with 10 spouses from the intervention group of the SICAM-trial, directed by predetermined codes based on elements of the intervention. Data were analysed by both authors using directed content analysis. The results showed that the spouses were very pleased about being a part of the case management intervention. They enjoyed being active participants even though problems sometimes occurred such as coordination difficulties between the case manager and other healthcare professionals and their feeling of being burdened. The spouses experienced the contact with the case manager as the most meaningful part of their participation and the telephone contact with her as the most useful element of the intervention. The fact that not all spouses participated in all the available intervention elements could be explained by their feeling of being burdened and that they were not fully aware of what the intervention elements were.

  • 217.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    A Reverse Engineering Role-Play to Teach Systems Engineering Methods2019In: Education Sciences, ISSN 2227-7102, Vol. 9, no 1, article id 30Article in journal (Refereed)
    Abstract [en]

    Students engaged in systems engineering education typically lack experience and understanding of the multidisciplinary complexity of systems engineering projects. Consequently, students struggle to understand the value, rationale, and usefulness of established systems engineering methods, often perceiving them as banal or trivial. The paper presents a learning activity based on a three-stage reverse engineering role-play developed to increase students’ awareness of the importance of correctly using systems engineering methods. The activity was developed and integrated in the Systems Engineering course given at Blekinge Institute of Technology. Its effectiveness was analyzed through semistructured self-reflection reports along with two editions of the course. The results showed the development of students’ understanding of how to use systems engineering methods. In particular, the students realized the need to deliver detailed and easy-to-read models to the decision makers. This result was in line with the achievement of some of the intended learning outcomes of the course.

  • 218.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Introducing value driven design in engineering education: teaching the use of value models in preliminary designIn: International journal of technology and design education, ISSN 0957-7572, E-ISSN 1573-1804Article in journal (Refereed)
    Abstract [en]

    Methods and approaches for teaching engineering disciplines are evolving to adapt to the

    needs of companies and society. Engineering Design is one of the areas most influenced by

    such changes and constantly striving to develop more effective and efficient strategies to

    prepare the soon-to-be engineers to face the challenges of a real working environment. This

    paper presents an approach used to teach the use of value models for concept trade-off in

    the preliminary design phase, in line with the industrial challenges highlighted by the literature

    on Value Driven Design. The approach is based on realistic design sessions assigning

    to master students a value assessment challenge. The paper describes the rationale of the

    approach, its set-up, and a validation activity run to compare the performances of the students

    with those of industrial practitioners. The results of the study show that the students

    taking part in the design sessions can produce results that do not statistically differ from

    those of industrial practitioners. Moreover, the students’ self-reflection on the achievement

    of the intended learning outcomes show a high satisfaction toward the achievement of the

    educational objectives.

  • 219.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Role and Challenges of Data-Driven Design in the Product Innovation Process2018In: IFAC PAPERSONLINE, Elsevier, 2018, Vol. 51, no 11, p. 1107-1112, article id No. 11Conference paper (Refereed)
    Abstract [en]

    The paper discusses the role and the challenges of integrating Data-Driven Design (DDD) models in the product innovation process. Firstly, based on academic literature on the Product Innovation Value Streamsand on Model-Based Decision Supports, the paper highlights how and when the use of DDD models can support a more effective product innovation process. Secondly, it highlights a list of challenges to be considered for the development of new DDD models for decision support. Ultimately, those challenges are formalized in an evaluation matrix intended to guide the further development of DDD.

  • 220.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Amnell, Henrik
    Isaksson, Ola
    Value modelling in aerospace sub-system design: linking quantitative and qualitative assessment2015Conference paper (Refereed)
    Abstract [en]

    The paper presents a prototype of a value model where engineering design teams can play with costand value data in a semi-structured way. In particular, the value model serves to facilitatecommunication of multidimensional information during preliminary design analysis and to visualizesuch information in a unique environment. The model first automatically generates, from the output ofa computer-based simulation, a quantitative assessment of manufacturer costs and customer costsaving of a set on different configuration of the same design concept. Second, it couples to the resultsa qualitative assessment of concept risks and product and process commonalities. Third, it allows anassessment of the concept impact on customer “ilities” (maintainability, survivability, scalability,flexibility). The model has been developed in collaboration with an aerospace sub-systemmanufacturer and it ultimately aims to enable the maturation of the knowledge about cost and valueaspects among the design team since the preliminary stages of design.

  • 221.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Modeling ‘ilities’ in early Product-Service Systems design2019In: Procedia CiRP, 2019Conference paper (Refereed)
    Abstract [en]

    Product-Service Systems, like all complex systems, are vulnerable to unpredictable environmental changes that can seriously undermine their ability to continuously deliver value to customers. The long-term consequences of volatile markets, unanticipated technologies, and unpredictable changes in society must be captured, modeled and communicated to decision makers since the earliest stages of the design, so to identify sustainable PSS solutions able to deliver value for years or decades to come. The paper analyses the problem of PSS changeability from the perspective of established medium-large product manufacturers facing the transition toward result-oriented PSS offers. Building on established literature in the systems engineering field, the paper proposes the definition of the changeability criteria, also named ‘ilities’, that are relevant to consider for PSS engineers in the early stages of design. Furthermore, the paper describes a systematic framework for assessing ilities in early PSS design, elaborating on technological enablers for ilities modeling.

  • 222.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    PSS cost engineering: A model-based approach for concept design2018In: CIRP - Journal of Manufacturing Science and Technology, ISSN 1755-5817, E-ISSN 1878-0016Article in journal (Refereed)
    Abstract [en]

    Manufacturing companies are increasingly moving toward delivering combinations of products and services to provide higher value to their customers. The development of such Product Service Systems (PSS) escalates in complexity when several products developed by different suppliers need to be integrated into a unique system. For first tier suppliers, it is a great challenge to model and simulate the impact of changing design variables at the micro-level on both hardware properties and governing behaviours of services over the entire life-cycle of the PSS. The paper describes a model-based approach developed to estimate the life cycle cost of a PSS hardware already at a concept design stage.  The proposed approach computes the relative cost efficiency of a set of design variants using as input the data generated by the simulations run in the Computer Aided Engineering (CAE) environment. The approach allows the exploration of the design space of a PSS given by the variation of the geometry of a Computer Aided Design (CAD) model, building on the computation of customised cost modules selected by a generic list of PSS cost dimensions. For each evaluated design case, the model produces as output a unique monetary figure of the cost expected to incur by owning or using the asset throughout the lifetime. The work has been conducted in collaboration with a tier-one aerospace component manufacturer, and the application of the model is exemplified through a case study related to the development of a turbine rear structure (TRS) for commercial jet engines. The approach is most suitable for the development of complex systems in which new products and components are integrated into a shared product platform. The results are discussed in relation to the current literature on PSS cost engineering, highlighting challenges to be addressed to increase cost estimation accuracy and increase uncertainty identification and awareness.

  • 223.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Johansson, Christian
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Analysing the effects of value drivers and knowledge maturity in preliminary design decision-making.2015In: ICED 15, VOL 10: DESIGN INFORMATION AND KNOWLEDGE MANAGEMENT, Design Society , 2015Conference paper (Refereed)
    Abstract [en]

    The paper presents the results of a three-days experiment to test the use of informationfrom a value assessment model and from a knowledge maturity scale in decisionmakingin preliminary design. A visual analogue scale was used to collect individualinformation from designers through questionnaires. Bivariate statistical analysis wasapplied to study the correlations between both the use of value drivers and knowledgematurity and the designers' awareness of the design problem to be addressed. Resultsshow that value drivers and knowledge maturity information increase the decisionmakers’ awareness of (1) the different perceptions of design team members about theneeds to be satisfied and (2) the technical solution to be developed in the productconcept under consideration.

  • 224.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Massimo, Panarotto
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Christian, Johansson
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Tobias, Larsson
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Expanding Value Driven Design to meet Lean Product Service Development2015In: 7TH INDUSTRIAL PRODUCT-SERVICE SYSTEMS CONFERENCE: IPSS, INDUSTRY TRANSFORMATION FOR SUSTAINABILITY AND BUSINESS / [ed] Xavier Boucher and Daniel Brissaud, Elsevier, 2015, Vol. 30, p. 197-202Conference paper (Refereed)
    Abstract [en]

    The paper presents a discussion about gaps and opportunities for cross-pollination between Value Driven Design and Lean Product Service Development to promote the use of value-driven method and tools since the preliminary design stages. In particular the paper discusses how methods and tools developed in Value Driven Design have the potential to be applied in the preliminary design stage in the context of Lean Product Service Development. The paper concludes by defining a research area on Value Innovation method and tools for preliminary Lean Product Service Development.

  • 225.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Dasari, Siva Krishna
    Blekinge Institute of Technology, Faculty of Computing, Department of Computer Science and Engineering.
    Hallstedt, Sophie
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Petter, Andersson
    GKN Aerospace Systems , SWE.
    Model-based decision support for value and sustainability assessment: Applying machine learning in aerospace product development2018In: DS92: Proceedings of the DESIGN 2018 15th International Design Conference / [ed] Marjanović D., Štorga M., Škec S., Bojčetić N., Pavković N, The Design Society, 2018, Vol. 6, p. 2585-2596Conference paper (Refereed)
    Abstract [en]

    This paper presents a prescriptive approach toward the integration of value and sustainability models in an automated decision support environment enabled by machine learning (ML). The approach allows the concurrent multidimensional analysis of design cases complementing mechanical simulation results with value and sustainability assessment. ML allows to deal with both qualitative and quantitative data and to create surrogate models for quicker design space exploration. The approach has been developed and preliminary implemented in collaboration with a major aerospace sub-system manufacturer.

  • 226.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. Blekinge Institute of Technology.
    Hallstedt, Sophie
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development. Blekinge Institute of Technology.
    Dasari, Siva Krishna
    Blekinge Institute of Technology, Faculty of Computing, Department of Computer Science. Blekinge Institute of Technology.
    Andersson, Petter
    GKN Aerospace Engine Systems, SWE.
    Integration of Value and Sustainability Assessment in Design Space Exploration by Machine Learning: An Aerospace Application2019In: Design ScienceArticle in journal (Refereed)
  • 227.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Larsson, Tobias
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Data Mining in Product Service Systems Design: Literature Review and Research Questions2017In: Procedia CIRP / [ed] Tim C. McAloone, Daniela C.A. Pigosso, Niels Henrik Mortensen and Yoshiki Shimomura, Elsevier, 2017, Vol. 64, p. 306-311Conference paper (Refereed)
    Abstract [en]

    The paper presents a literature review about data mining applications in Product/Service-Systems (PSS) design. A systematic literature review, combined with snowballing techniques, has been run to identify relevant contributions in the area. The analysis has focused on the categorization of the contributions according to their impact on the PSS design process and according to their theoretical or empirical nature. A picture of the different research achievements for each stage of the PSS design process have been drawn, identifying the research gaps in respect to the challenges of PSS design. Based on the analysis the paper proposes a set of research questions for each PSS design stage with the intent of facilitating the application of data mining techniques in PSS design, and ultimately push forward the state of the art.

  • 228.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Larsson, Tobias
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Larsson, Jonas
    Scania Group, SWE.
    Elfsberg, Jenny
    Volvo Construction Equipment, SWE.
    Mining data to design value: a demonstrator in early design2017In: DS87-7 PROCEEDINGS OF THE 21ST INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN (ICED 17), VOL 7: DESIGN THEORY AND RESEARCH METHODOLOGY / [ed] Fadel G.,Salustri F.,Kim H.,Skec S.,Van der Loos M.,Maier A.M.,Kokkolaras M.,Oehmen J., The Design Society, 2017, Vol. 7, p. 21-29, article id DS87-7Conference paper (Refereed)
    Abstract [en]

    The paper presents a study run to verify the applicability of data mining algorithms as

    decision support in early design stages of a product development project. The paper

    describes a two-stage scenario providing the rationale for the application of data science in

    engineering design. Furthermore, it describes a demonstrator showing how data can be fed

    back to the early design stages and can be used to populate models to reduce uncertainty in

    decision making. A wheel loader for constructions works is the reference product for the

    demonstration. Data mining is applied on a dataset built on machine performances and

    contextual and environmental data. The demonstrator focuses on the estimation of the fuel

    consumption of alternative design concepts and estimates the performance variations given

    different contextual variable. Finally, a way of visualizing the results of the data analysis in

    relation to the tested and expected performances is presented.

  • 229.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Levandowski, Christoffer
    Chalmers, SWE.
    Isaksson, Ola
    Chalmers, SWE.
    Larsson, Tobias
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Virtual Modeling for Lifecycle Performance Assessment in aerospace design2016In: Product-Service Systems across Life Cycle / [ed] Cavalieri, S; Ceretti, E; Tolio, T; Pezzotta, G, Elsevier, 2016, Vol. 47, p. 335-340Conference paper (Refereed)
    Abstract [en]

    The aim of the paper is to present an approach for the multidisciplinary evaluation of alternative modular concepts in preliminary design with the intent of enhancing engineers’ capability to simulate alternative scenarios with different design configurations, so to derive decisions about the most valuable design concepts to further develop. The research contribution is novel in the way that it expands the Set-Based-Engineering approach by addressing the “servitization” challenge in two ways: firstly by the use of value models and sustainability models as decision making support, making possible a preliminary assessment of the value contribution and of the sustainability performances of a design concept;secondly, by the use of functional modelling modules and configurable systems elements for platform-based design, to manage the  complex relationships within and between parts of the platform throughout the lifecycle. The paper presents the main features of the approach and introduces an industrial case concerning the development of a module component for an aircraft engine in which the approach is applied for demonstration. The paper finally elaborates on the benefits and implications of the approach in the design process.

  • 230.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Marco, Bertoni
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    SUPPORTING EARLY STAGE SET-BASED CONCURRENT ENGINEERING WITH VALUE DRIVEN DESIGN2019In: Proceedings of the Design Society: International Conference on Engineering Design, Delft: Cambridge University Press, 2019Conference paper (Refereed)
    Abstract [en]

    Set-Based Concurrent Engineering is commonly adopted to drive the development of complex products and systems. However, its application requires design information about a future product that is often not mature enough in the early design stages, and that it is not encompassing a service and lifecycle- oriented perspective. There is a need for manufacturers to understand, since the early design stages, how customer value is created along the lifecycle of a product from a hardware and service perspective, and how to use such information to screen radically new technologies, trade-off promising design configurations and commit to a design concept. The paper presents an approach for the multidisciplinary value assessment of design concepts in sub-systems design, encompassing the high-level concept screening and the trade-off of different design concepts, and enabling the integration of value models results into a Set-based Concurrent Engineering process. The approach is described through its application in the case study of the development of a subsystem component for a commercial aircraft engine.

  • 231.
    Bertoni, Alessandro
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Marco, Bertoni
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Massimo, Panarotto
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Christian, Johansson
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Larsson, Tobias
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Value-driven product service systems development: Methods and industrial applications2016In: CIRP - Journal of Manufacturing Science and Technology, ISSN 1755-5817, E-ISSN 1878-0016, Vol. 15, p. 42-55Article in journal (Refereed)
    Abstract [en]

    In recent times a service-dominant logic is permeating the design of complex systems. However, in spite of their appeal, initiatives such as Product Service Systems (PSS) have not become mainstream, and methods are lacking to support this transition. This paper argues that methodological guidance, as well as tools for decision support, may be found in the research field of Value Driven Design (VDD), which originates in the realm of Systems Engineering. The paper objective is to elaborate on gaps and opportunities for cross-pollination between VDD and PSS. The results of a systematic review of methods and tools for design decision support highlight the opportunity for introducing optimization models derived from VDD in the PSS design process, while the latter can enrich VDD research with a more qualitative value assessment logic. The paper summarizes this integration in a methodological approach, and exemplifies its application in case studies mainly from the aerospace and road construction equipment sector.

  • 232.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Introducing Sustainability in Value Models to Support Design Decision Making: A Systematic Review2017In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 9, no 6, article id 994Article in journal (Refereed)
    Abstract [en]

    Manufacturing organizations shall recognize sustainability as a business occasion to capitalize on, rather than an undesirable pressing situation. Still, empirical evidence shows that this opportunity is hard to capture and communicate in global strategic decisions, through planning by tactical management, to daily operational activities. This paper systematically reviews the modeling challenges at the crossroad of value and sustainability decisions making, spotlighting methods and tools proposed in literature to link sustainability to customer value creation at strategic, tactical and operational level. While statistical results show that the topic of sustainability and value modeling is trending in literature, findings from content analysis reveal that recent attempts to promote a value-based view in the sustainability discussion remain at a strategic level, with most of the proposed indicators being suited for managerial decision-making. The lack of support at operational level points to the opportunity of cross-pollinating sustainability research with value-centered methodologies originating from the aerospace sector. The Value Driven Design framework is proposed as main hub from which to derive models supporting engineers and technology developers in the identification of win-win-win situations, where sustainable improvements are aligned with business advantages.

  • 233.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Multi-Criteria Decision Making for Sustainability and Value Assessment in Early PSS Design2019In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 11, no 7, p. 1952-1979, article id 1952Article in journal (Refereed)
    Abstract [en]

    Sustainability is increasingly recognized as a key innovation capability in the organization. However, it is not always evident for manufacturers how sustainability targets shall be “mixed and matched” with more traditional objectives—such as quality, time, cost, and performances—when designing and developing solutions. The emergence of “servitization” and product-service systems (PSS) further emphasizes the need for making thoughtful trade-offs between technical aspects, business strategies, and environmental benefits of a design. The objective of this paper is to investigate how multi-criteria decision making (MCDM) models shall be applied to down-select PSS concepts from a value perspective, by considering sustainability as one of the attributes of a design contributing to the overall value of a solution. Emerging from the findings of a multiple case study in the aerospace and construction sector, the paper presents a five-step iterative process to support decision making for sustainable PSS design, which was further applied to design an electrical load carrier. The findings show that the proposed approach creates a “hub” where argumentations related to “value” and “sustainability” of PSS solution concepts can be systematically captured in a way that supports the discussion on the appropriate quantification strategy.

  • 234.
    Bertoni, Marco
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    WORK INTEGRATION SOCIAL ENTERPRISES: A TESTBED FOR CHALLENGE-BASED LEARNING?2019In: Proceedings of the 15th international CDIO Conference, Aarhus university , 2019Conference paper (Refereed)
    Abstract [en]

    Work Integration Social Enterprises (WISE) are a particular enterprise form permeated by a so-called ‘double business idea’. Besides the commercial imperative of providing product and services, WISE offer employment and training opportunities for individuals considered less able to compete in mainstream labour markets. The paper argues that this multiple goal structure makes WISE an ideal testbed for Challenge-Based Learning (CBL). The latter deepens both problem-based learning and CDIO, by featuring open-ended problems that stress an entrepreneurial, value-driven and sustainable approach to problem formulation and decision-making. The aim of this paper is to describe how real-life design projects conducted in collaboration with WISE take CBL a step forward compared with those involving more ‘traditional’ enterprise forms. Evidence is gathered along 4 main lines of thought, which are: 1) iterative problem formulating and designing; 2) entrepreneurial mindset and of value-driven learning; 3) social sustainability-aware designing; and 4) social-constructed learning. The findings indicate that WISE-based design experiences bring forward additional characteristics compared with more ‘traditional’ engineering ones. Students are able to expand the scope and depth of their problem identification and formulation activities, due to the continuous dialogue with a broad range of stakeholders, enthusiasts, and volunteers. They become more aware of the multifaceted meaning of the word ‘value’ in engineering, realizing the existence of competing value systems for the design problem. Eventually their decision-making activities emphasizes the pursuit of different goals and objectives (e.g., technical feasibility, business viability, and sustainable development) in the design process.

  • 235.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Models for Value-driven engineering design2016In: Proceedings of the International Design Conference / [ed] Marjanovic, D; Storga, M; Bojcetic, N; Skec, S, DESIGN SOC, UNIV STRATHCLYDE , 2016Conference paper (Refereed)
    Abstract [en]

    Nowadays, it is a great challenge to understand what models shall be used to iteratively translate customer desires into terms that are meaningful for engineering design decision-making. This paper proposes a framework illustrating the iterative evolution of model-based enablers for value during conceptual system design. The framework is developed from the analysis of four case studies in the Swedish manufacturing industry. The paper discusses the learning from the cross-case study, and elaborates on how value models may complement existing Systems Engineering practices.

  • 236.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Nonlinear Quality Function Deployment: an experimental analysis2017In: DS87-4 PROCEEDINGS OF THE 21ST INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN (ICED 17), VOL 4: DESIGN METHODS AND TOOLS / [ed] Maier, A; Skec, S; Kim, H; Kokkolaras, M; Oehmen, J; Fadel, G; Salustri, F; VanDerLoos, M, The Design Society, 2017, p. 99-108Conference paper (Refereed)
    Abstract [en]

    Quality Function Deployment (QFD) is a common model to frontload engineering design activities with, linking the characteristics of a product vs. the voice of the customer using linear relationships. This approximation is often claimed to be misleading when dealing with the design of complex engineering systems. The paper presents the results of experimental activities aimed at verifying usability and effectiveness of nonlinear functions as extension of the QFD logic. A total of 40 experiments was conducted in a given design episode, involving 139 participants, to analyse the trade-off between the benefit of introducing nonlinearity vs. effort and cost triggered by increased complexity in the modelling. The results show that nonlinear functions, while improving the granularity of the QFD mapping, keeps the method simple enough to work as ‘boundary object’ in cross-functional design teams, irrespectively from the experience of design team members. The experiments also highlight how users’ cognitive attention in the task is dependent from the format by which nonlinear merit functions are presented.

  • 237.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Eres, Murat Hakki
    Value Driven Design revisited: emerging modelling concepts and applicatons2019In: Proceedings of the Design Society: International Conference on Engineering Design, 2019, p. 2407-2416Conference paper (Refereed)
    Abstract [en]

    Extended product warranties, leasing, and pay-per-use schemes are few examples of how manufacturing companies are shifting their focus from selling products to offering “solutions”, combining products and services to maximise customer value. The idea of optimising a system towards the best ‘value’ is both "intuitive and sensible", and processes such as Value Driven Design (VDD), have been proposed to supplement traditional engineering design methodologies. Yet, value-driven initiatives struggle to communicate their benefits and to demonstrate how value models can solve actual problems. The aim of this paper is to shed light on the evolution of the VDD toolbox, mapping research clusters, applications and case studies from the perspective of how much (and how well) recent contributions have answered the five top-level questions of the VDD research agenda published in 2012. The results of the systematic literature review reveal the emergence of innovative modelling constructs, methods, and tools that help VDD in taking a leap forward in supporting organizations and teams in achieving the long-sought objective of designing for 'value'.

  • 238.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Johansson, Christian
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Knowledge Enabled Engineering2015In: International Workshop of Advanced Manufacturing and Automation, Trans Tech Publications Inc., 2015Conference paper (Refereed)
    Abstract [en]

    The development of complex product-service combinations challenges the existing practices for engineering knowledge management. The objective of the paper is to highlight how such practices need to change to meet the engineers’ demand for knowledge when developing “functions” instead of merely hardware. It further proposes Knowledge Enabled Engineering (KEE) as an umbrella term that collects engineering knowledge management methods and tools inspired by the second wave of knowledge management, and that are aimed to meet needs of today’s modern knowledge workers in engineering organizations. The current state of readiness of these approaches is eventually described together with results from verification and validation activities.

  • 239.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Ola, Isaksson
    Chalmers, SWE.
    EVOKE: A Value-Driven Concept Selection Method for Early System Design2018In: Journal of Systems Science and Systems Engineering, ISSN 1004-3756, E-ISSN 1861-9576, Vol. 27, no 1, p. 46-77Article in journal (Refereed)
    Abstract [en]

    The development of new technologically advanced products requires the contribution from a range of skills and disciplines, which are often difficult to find within a single company or organization. Requirements establishment practices in Systems Engineering (SE), while ensuring coordination of activities and tasks across the supply network, fall short when it comes to facilitate knowledge sharing and negotiation during early system design. Empirical observations show that when system-level requirements are not available or not mature enough, engineers dealing with the development of long lead-time sub-systems tend to target local optima, rather than opening up the design space. This phenomenon causes design teams to generate solutions that do not embody the best possible configuration for the overall system. The aim of this paper is to show how methodologies for value-driven design may address this issue, facilitating early stage design iterations and the resolution of early stage design trade-offs. The paper describes how such methodologies may help gathering and dispatching relevant knowledge about the ‘design intent’ of a system to the cross-functional engineering teams, so to facilitate a more concurrent process for requirement elicitation in SE. The paper also describes EVOKE (Early Value Oriented design exploration with KnowledgE maturity), a concept selection method that allows benchmarking design options at sub-system level on the base of value-related information communicated by the system integrators. The use of EVOKE is exemplified in an industrial case study related to the design of an aero-engine component. EVOKE’s ability to raise awareness on the value contribution of early stage design concepts in the SE process has been further verified with industrial practitioners in ad-hoc design episodes.

  • 240.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Chowdhery, Syed Azad
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bellini, Anna
    Tetra Pak .
    Model-driven value assessment: a case from the food packaging industry2018In: Proceeedings of the International DESIGN Conference / [ed] D. Marjanović, M. Štorga, S. Škec, N. Bojčetić, N. Pavković (eds.), The Design Society, 2018, Vol. 1, p. 161-170Conference paper (Refereed)
    Abstract [en]

    Consumer perception of food packaging solutions is driven by early design decisions on paperboard configuration and manufacturing technologies. Simulation Driven Design is common to frontload design activities, but is confined to the engineering field and fails to capture higher-level value aspects. This paper presents an assessment framework connecting customer value dimensions with simulations conducted on the mechanical properties of the packaging material, and discusses how value modelling results can be visualised to support collaborative decision making in cross-functional teams.

  • 241.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Hallstedt, Sophie
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Isaksson, Ola
    GKN Aerospace Sweden.
    A model-based approach for sustainability and value assessment in the aerospace value chain2015In: Advances in Mechanical Engineering, ISSN 1687-8132, E-ISSN 1687-8140, Vol. 7, no 6, p. 1-19Article in journal (Refereed)
    Abstract [en]

    In the aerospace industry, systems engineering practices have been exercised for years, as a way to turn high-level design objectives into concrete targets on system functionality (e.g. range, noise, and reliability). More difficult is to decompose and clarify sustainability implications in the same way and to compare them against performance-related capabilities already during preliminary design. This article addresses the problem of bringing the important—yet typically high level and complex—sustainability aspects into engineering practices. It proposes a novel integrated model-based method that provides a consistent way of addressing the well-known lack of generic and integrated ways of clarifying both cost and value consequences of sustainability in early phases. It further presents the development and implementation of such approach in two separate case studies conducted in collaboration with a major aero-engine sub-system manufacturer. The first case concerns the assessment of alternative business configurations to maintain scarce materials in closed loops, while the second one concerns the production technology of an aero-engine component. Eventually, this article highlights the learning generated by the development and implementation of these approaches and discusses opportunities for further development of model-based support.

  • 242.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Panarotto, Massimo
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Jonsson, Pontus
    Dynapac Compaction Equipment AB, SWE.
    Value-driven engineering design: lessons learned from the road construction equipment industry2017In: DS87-1 PROCEEDINGS OF THE 21ST INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN (ICED 17), VOL 1: RESOURCE SENSITIVE DESIGN, DESIGN RESEARCH APPLICATIONS AND CASE STUDIES / [ed] Maier A.M.,Skec S.,Salustri F.A.,Fadel G.,Kim H.,Kokkolaras M.,Oehmen J.,Van der Loos M., The Design Society, 2017, Vol. 1, p. 319-328, article id DS87-1Conference paper (Refereed)
    Abstract [en]

    Value models, in form of economical optimization functions, are often proposed to frontload engineering design activities. However, literature argues that, when qualitative data and assumptions prevail, a qualitative assessment of the ‘goodness’ of a design is preferable against a numerical (and monetary-based) encoding of preferences. This paper explores how a model-based approach can support deliberation about value in cross-functional design teams. Emerging from case studies in the road compaction equipment industry, the paper analyzes preferences for value modelling support when it comes to iteratively translate customer desires into terms meaningful for engineering design decision-making. It further prescribes a framework for value-driven engineering design that considers the need to update the value model definition as far as new information become available in the process, moving from qualitative to quantitative. The findings highlight the role the proposed chain of value models plays in terms of providing a shared reference to stimulate value discussions across functions and organizational roles, which is something that does not naturally happen in the organization today.

  • 243.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Panarotto, Massimo
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Larsson, Tobias
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Boundary objects for PSS design2016In: PRODUCT-SERVICE SYSTEMS ACROSS LIFE CYCLE / [ed] Cavalieri, S; Ceretti, E; Tolio, T; Pezzotta, G, Elsevier, 2016, Vol. 47, p. 329-334Conference paper (Refereed)
    Abstract [en]

    In PSS design, hardware and service developers often have different objectives. Lacking to communicate and negotiate them across boundaries might lead to solutions unable to generate market shares and long-term profitability. This paper aims to contribute to the definition of ‘boundary objects’ that facilitate the sharing of knowledge between members of cross-functional teams engaged in PSS conceptual design activities. Empirical data are gathered from three case studies in the Swedish manufacturing industry to reveal how servitization affects early stage design decision-making, and how hardware vs. service trade-offs are negotiated and solved. The analysis of the findings points to four main trends to be considered when designing such objects in the realm of PSS. These are: an underlying model-based logic, the use of metrics based on customer value, the ability to quickly generate and assess scenarios, the use of non linear relationships to map PSS features vs. customer value.

  • 244.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Pezzotta, Giuditta
    University of Bergamo, ITA.
    Scandella, Beatrice
    Uiversity of Bergamo, ITA.
    Wall, Johan
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Jonsson, Pontus
    Dynapac Compaction Equipment, SWE.
    Life cycle simulation to support cross-disciplinary decision making in early PSS design2019In: Procedia CIRP, 2019Conference paper (Refereed)
    Abstract [en]

    The development of early-stage simulation capabilities is a critical step in the quest for ‘frontloading’ early stage PSS design activities, reducing the cost and risk for rework associated with sub-optimal decisions. This paper describes how life cycle simulations, based on a Discrete Event approach, can be applied to support cross-disciplinary decision making in PSS design, facilitating the identification of the most valuable hardware configuration for a given business model. The proposed approach is exemplified in a case study related to the design of a zero-emission asphalt compactor, which is part of a product-oriented and use-oriented PSS offer. Co-located physical meetings and interviews with industrial practitioners highlight the role played by the simulation as an enabler for leveraging tacit knowledge sharing across roles and disciplines in the organization, making possible to explore the design space with more rigor. They further reveal the need to exploit data mining techniques and to develop new constructs able to inform decision makers of maturity and impact of models used in a specific decision scenario.

  • 245.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Rondini, Alice
    University of Bergamo, ITA.
    Pezzotta, Giuditta
    University of Bergamo, ITA.
    A systematic review of value metrics for PSS design2017In: Procedia CIRP, 2017, Vol. 64, p. 289-294Conference paper (Refereed)
    Abstract [en]

    The notion of ‘value’ has become pivotal in the PSS domain, with a plethora of ‘indicators’, ‘drivers’ and ‘measurements’ proposed to guide the assessment of PSS concepts across the design process. This paper presents the results of a systematic literature review that maps existing contributions dealing with metrics for PSS value in early design. The findings reveal the lack of a common taxonomy to define what PSS value is, as well as differences in terms of granularity of the applied metrics, which span from very generic to highly case-study specific. This mapping aims at validating a proposed classification framework for such metrics, which balances customer and provider value perspectives in early stage PSS concept assessment activities. Its goal is to raise the cross-functional design team awareness on the multiple value types impacted by early stage design decisions when working with MADM matrixes; hence to highlight opportunities for improvement, recombination and refinement. 

  • 246.
    Bertoni, Marco
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Wall, Johan
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Bertoni, Alessandro
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
    Model Driven Decision Arena: an aerospace study2018In: Proceedings of the International Design Conference / [ed] D. Marjanović, M. Štorga, S. Škec, N. Bojčetić, N. Pavković (eds.), The Design Society, 2018, Vol. 1, p. 171-182Conference paper (Refereed)
    Abstract [en]

    The concept of Decision Theatre (DT) is of great interest to leverage knowledge sharing in early stage design decision events. Yet, few contributions show how to configure a DT to support design space exploration and concept selection in cross-functional teams. This paper describes the development of a model-driven decision arena (MDDA) for aero-engine sub-system design. After presenting the descriptive study findings, it illustrates the overall logic of the MDDA environment and exemplifies its use in a case study related to the design of a turbine real structure (TRS) for commercial use.

  • 247.
    Beuter, Viviane
    et al.
    Universidade Federal de Santa Catarina, BRA.
    Gonçalves, Daniel
    Universidade Federal de Santa Catarina, BRA.
    Öinert, Johan
    Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.
    Royer, Danilo
    Universidade Federal de Santa Catarina, BRA.
    Simplicity of skew inverse semigroup rings with applications to Steinberg algebras and topological dynamics2019In: Forum mathematicum, ISSN 0933-7741, E-ISSN 1435-5337, Vol. 31, no 3, p. 543-562Article in journal (Refereed)
    Abstract [en]

    Given a partial action π of an inverse semigroup S on a ring A {\mathcal{A}}, one may construct its associated skew inverse semigroup ring A π S {\mathcal{A}\rtimes-{\pi}S}. Our main result asserts that, when A {\mathcal{A}} is commutative, the ring A π S {\mathcal{A}\rtimes-{\pi}S} is simple if, and only if, A {\mathcal{A}} is a maximal commutative subring of A π S {\mathcal{A}\rtimes-{\pi}S} and A {\mathcal{A}} is S-simple. We apply this result in the context of topological inverse semigroup actions to connect simplicity of the associated skew inverse semigroup ring with topological properties of the action. Furthermore, we use our result to present a new proof of the simplicity criterion for a Steinberg algebra A R (g) {A-{R}(\mathcal{G})} associated with a Hausdorff and ample groupoid g {\mathcal{G}}. © 2018 Walter de Gruyter GmbH, Berlin/Boston.

  • 248.
    Bhalerao, Akash
    et al.
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Louwerse, Sjaak
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Quarmyne, Michael Tei
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Ritchie, Dan
    Blekinge Institute of Technology, Faculty of Engineering, Department of Strategic Sustainable Development.
    Social Innovation Hubs Supporting Social Entrepreneurs: Strategically Adopting the SDGs towards Sustainability2019Independent thesis Advanced level (degree of Master (One Year)), 20 HE creditsStudent thesis
    Abstract [en]

    The United Nations Sustainable Development Goals (SDGs) are a well-known and comprehensive framework for sustainable development. However due to the overlapping and interrelated nature of the goals, action towards one goal can positively or negatively contribute to another.Social innovation hubs including Impact Hub and Centre for Social Innovation use the SDGs to support social entrepreneurs to have a positive impact. Document analysis and interviews with 15 practitioners from these hubs informed the research on how the organizations perceive and contribute to sustainability, how they integrate the SDGs, and the challenges and benefits with using the SDGs. Based on that, this research has developed five recommendations for social innovation hubs to: 1) Define Sustainability; 2) Enhance Visioning; 3) Design co-creative programs; 4) Define Impact;and 5) Communicate Impact. While other elements of the Framework for Strategic Sustainable Development (FSSD) could be used to complement the SDGs, the Sustainability Principles (SPs) of the FSSD are recommended as a definition for sustainability.

  • 249.
    Bhuiyan, Raisul Haque Masud
    Blekinge Institute of Technology, Faculty of Engineering, Department of Applied Signal Processing. Ericsson AB. Åbo Akademi University..
    LOW DELAY VIDEO TRANSCODING SERVICES ON DISTRUBUTED COMPUTING PLATFORM.2016Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The demand of digital video with higher resolution is increasing everyday and in amodern world the videos are consumed in all kinds of multimedia devices. The transmissionof higher quality videos over the internet require higher bandwidth, which isnot an acceptable option. So, it is necessary to compress the video to a compact file byremoving redundancies and detail information.

    The process of compressing a video file requires a lot of complex calculations,which is a time consuming process, specially for live telecasting or real-time videoconferencing. In addition videos with higher quality such as higher number of Frameper Second (FPS) or higher resolution like HD and 4k video requires huge redundantdata processing. Hence, this operation causes delays during the video playback. Tominimize the time delay for the video coding, there are coding methods such as losslessand lossy coding which has been around for a long time. However, the idea to increasethe number of processing unit like CPUs and memory for video coding software is anarea that require further research to improve coding techniques.

    Distributed system uses available resources in the network to achieve a commongoal. It explores the available infrastructure so that the task can be done in parallel. Cloud computing is a great example of distributed system which has fully dedicatedresources for such complex jobs.

    This thesis deals with these areas in real-time to lower the video coding delaythrough investigating distributed resources as well as the parallelization in video codingstandards such as AVC and HEVC. It has been carried out with a collaborationwith Ericsson Research in Stockholm.

  • 250. Biedenbach, Thomas
    et al.
    Svensson, Martin
    Blekinge Institute of Technology, Faculty of Engineering, Department of Industrial Economics.
    Hällgren, Markus
    Blissful ignorance: The transfer of responsibility in response to lack of competence2015Conference paper (Refereed)
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