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Designing Value-Robust Product-Service Systems by Incorporating Changeability: A Reference Framework
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)ORCID iD: 0000-0001-7581-439x
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)ORCID iD: 0000-0001-5114-4811
2022 (English)In: Collaborative Networks in Digitalization and Society 5.0 / [ed] Camarinha-Matos L.M., Ortiz A., Boucher X., Osório A.L., Springer Science+Business Media B.V., 2022, Vol. 662, p. 623-630Conference paper, Published paper (Refereed)
Abstract [en]

When a Product-Service System (PSS) has a longer lifecycle, it is subjected to several internal and external changes along its path that may deteriorate its value. A PSS capable of delivering value despite the circumstances is called a value robust PSS, and one way of achieving value robustness is by incorporating changeability. A lot of uncertainties prevail in decision-making concerning changeability as change is a phenomenon not clearly understood in PSS design. To bridge this gap, this paper presents a reference framework to support the definition and quantification of changeability in PSS design to enable the delivery of a value robust PSS. The paper is mainly focused mainly on the realization of the concept of changeability in PSS design, crossing the boundary between rich literature in the field of PSS and Systems Engineering.

Place, publisher, year, edition, pages
Springer Science+Business Media B.V., 2022. Vol. 662, p. 623-630
Series
IFIP Advances in Information and Communication Technology, ISSN 1868-4238, E-ISSN 1868-422X
Keywords [en]
Product-Service Systems, Uncertainty, Risk, Changeability, Value robustness, Value-driven design
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:bth-23738DOI: 10.1007/978-3-031-14844-6_50ISI: 001359443000050Scopus ID: 2-s2.0-85139047570ISBN: 9783031148439 (print)OAI: oai:DiVA.org:bth-23738DiVA, id: diva2:1703341
Conference
23rd IFIP WG 5.5 Working Conference on Virtual Enterprises, PRO-VE 2022, Lisbon 19 September through 21 September 2022
Projects
eTwin - Strategic Innovation Program Swedish Mining Innovation
Part of project
Model Driven Development and Decision Support – MD3S, Knowledge Foundation
Funder
Knowledge Foundation, 20180159Vinnova, SIP-STRIMAvailable from: 2022-10-13 Created: 2022-10-13 Last updated: 2025-01-02Bibliographically approved
In thesis
1. Towards Changeability Quantification for Product-Service Systems Design
Open this publication in new window or tab >>Towards Changeability Quantification for Product-Service Systems Design
2022 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Tough competition and volatile global markets have pushed the manufacturing industries to develop solutions more customer-centric with optimal utilization of resources. One of the key reasons behind developing a customer-centric solution is the increased customer value that imparts a competitive edge to the manufacturing industries, eventually leading them to sustain their businesses. Over the years, this has led the transition of manufacturing industries towards offering “functions” instead of pure products. Academic literature often describes this change as the transition towards offering a Product-Service System (PSS), where the functions are typically delivered as a mix of products and services.

Developing PSS is a highly challenging task as value entails a multi-dimensional viewpoint based on different stakeholders and many novel technologies integrated along uncertain lifecycles. An optimal PSS for a specific occasion becomes situational as this occasion is bound to change due to underlying future operational uncertainties. This view accentuates the need for inculcating mechanisms in the PSS to sustain value under operational uncertainties, thus attaining value robustness. Literature in systems engineering elaborates on changeability as one of the cores for developing a value-robust system. A changeable system is a system that can change internally as a response to the changes externally to maintain the value expectation over time. With this frame of reference, it is argued that the notion of changeability can be a good supplement for developing a value-robust PSS. From a design perspective, changeability needs to be quantified to strike a balance between the total change-related cost and the benefits.

In this light, this thesis is directed toward the quantification of changeability for supporting early design decisions concerning value-robust PSS. To achieve this goal, this thesis first highlights the challenges concerning changeability quantification for a value-robust PSS design. Building on these challenges, it delves into established techniques of design optimization, dynamic programming, and discrete-event simulation to propose a framework that can exemplify the relationship between system configuration, system control, and contextual variables to gain insights about a suitable combination of configuration and control of the system to maintain its value in uncertain operational scenarios. To enhance the proposed framework with operational data, an outline of the state-of-the-art in the collection and utilization of operational data to support design decision-making is presented. Finally, the thesis concludes by highlighting the strength and weaknesses of the proposed framework along with some industrial implications. Broadly, two challenges are emphasized in the proposed framework, computational complexity and lack of contextual knowledge, and addressing them has been left for future studies.

Place, publisher, year, edition, pages
Karlskrona: Blekinge Tekniska Högskola, 2022. p. 64
Series
Blekinge Institute of Technology Licentiate Dissertation Series, ISSN 1650-2140 ; 5
Keywords
Changeability quantification, early design, Uncertainty, Value robustness, Operational Scenario, Product-Service Systems, Systems Engineering.
National Category
Mechanical Engineering Other Mechanical Engineering
Research subject
Mechanical Engineering
Identifiers
urn:nbn:se:bth-23781 (URN)978-91-7295-446-5 (ISBN)
Presentation
2022-12-15, J1630 + Mötes-ID Zoom: 672 6093 9884, BTH, Karlskrona, 09:30 (English)
Opponent
Supervisors
Available from: 2022-10-28 Created: 2022-10-27 Last updated: 2022-11-28Bibliographically approved

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Machchhar, Raj JitenBertoni, Alessandro

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