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  • 1.
    Frank, Martin
    et al.
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik. Volvo Construction Equipment, GER.
    Ruvald, Ryan
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Johansson, Christian
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Larsson, Tobias
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Larsson, Andreas
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Towards autonomous construction equipment: supporting on-site collaboration between automatons and humans2019Ingår i: International Journal of Product Development, ISSN 1477-9056, E-ISSN 1741-8178, Vol. 23, nr 4, s. 292-308Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    To support the application of automated machines andcollaborative robots in unstructured environments like in the mining,agriculture and construction sector the needs of the human co-workershould be investigated to ensure a safe and productive collaboration.The empirical study presented includes the prototyping of a solution forhuman-machine communication, which has been supported by a designthinking approach. An understanding of the human needs had beencreated through jobsite observations and semi-structured interviewswith human workforces working in close proximity to heavy mobileequipment. The results shows that trust and communication have a bigimpact on the jobsite collaboration.

  • 2. Ruvald, Ryan
    Prototyping for Product-Service Systems innovation: Insights from the construction equipment industry2019Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    To radically increase the value delivered to the customers in the construction industry a concerted effort is needed to develop solutions beyond incremental adjustments. Simply providing add-on services to existing products does not effectively create solutions with enough gains in core customer values. Designing and developing a product service system (PSS) through the adjustment or reconfiguration of existing elements is a challenge on its own, and adding the design of new elements serves to confound the process even further. By realigning all components of a PSS from inception to a function provides an opportunity to escape current product limitations and explore new solutions with potentially higher value. Designing a new PSS solution from scratch comes with added ambiguity in an expanded solution space.

    The aim of this thesis is to investigate early conceptual phases of PSS innovation within the domain of construction equipment manufacturing. The research included the development and testing of a prototyping method to foster customer co-creation and transdisciplinary design which are considered primary impact factors increasing the value of final PSS solutions.

    The work was performed in collaboration with a construction equipment manufacturer, conducting a demonstrator project on an electric and autonomous production site. The thesis first depicts how the prototyping method can be implemented to enable stakeholder insights that were previously not accessible through current practices. This leads to the testing of the method in a broader perspective to represent tangible and intangible elements in a way that facilitates concept design decisions in multi-disciplinary settings. The thesis concludes by exploring the limitations on current practices in relation to the adoption and potential use of the method.

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  • 3.
    Ruvald, Ryan
    et al.
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Bertoni, Alessandro
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Johansson, Christian
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    A role for physical prototyping in Product-Service System design: Case study in construction equipment2019Ingår i: Proceedia CIRP / [ed] George Q Huang, Ting Qu, Matthias Thürer, Suxiu Xu, Mohamed Khalgui, Elsevier, 2019, Vol. 83, s. 358-362Konferensbidrag (Refereegranskat)
    Abstract [en]

    Using a case study methodology to exploring an ambitious experimental combination of a construction equipment manufacturer’s products tailored to provide exponential increases in efficiency and reductions in CO2. The products and system represent a relevant example of new technology being the foundation upon which a functional offering IPSS can be designed. The researcher constructed a scaled down functional experiential prototype reflecting a full scale experimental all electric quarry site in under operation outside of Goteborg, Sweden. The prototype site represented the primary equipment and system functionality, to act as a boundary object around which relevant stakeholders both internal and external could share the vision of an electric autonomous future. This was confirmed via observation at an event where the scale site was used for this purpose and verified with follow up interviews to dig deeper into the impact this tangible representation could have in increasing the perceived viability of the full scale technology’s potential on display thousands of miles from the event.

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  • 4.
    Ruvald, Ryan
    et al.
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Frank, Martin
    Volvo Construction Equipment, SWE.
    Johansson, Christian
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Larsson, Tobias
    Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för maskinteknik.
    Data Mining through Early Experience Prototyping: A step towards Data Driven Product Service System Design2018Ingår i: IFAC PAPERSONLINE, Elsevier, 2018, Vol. 51, nr 11, s. 1095-1100, artikel-id 11Konferensbidrag (Refereegranskat)
    Abstract [en]

    The construction industry is ripe for disruption through innovative solutions that provide added productivity. Equipment manufacturers are attempting to disrupt their industry with investments in autonomy, electrification and product-service system business models. Designing solutions that will operate in completely new systems or modify an existing complex system require new approaches to address the uncertainty of system impacts. An iterative approach can help tackle ambiguity through cyclical validation of design decisions. Data mining in each cycle adds a quantitative dimension to the rationale of decision making, but data is sparse and difficult to collect in parallel with design of theoretical product-service systems operating in future scenarios. This can be combated using experiential prototyping techniques to design flexible infrastructure that supports contextualized data gathering in a variety of focused design sprints using Design, Build and Test approach. The intricacy of designing innovative solutions to increase productivity in the construction industry can be untangled by framing aspects of the problem in small sprints and testing them in a contextualized setting built to generate functional data to drive design.

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