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EVOKE: A VALUE-DRIVEN CONCEPT SELECTION METHOD FOR EARLY SYSTEM DESIGN
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering. (Product Development Research Lab)ORCID iD: 0000-0001-5114-4811
Chalmers, SWE.
2016 (English)In: Journal of Systems Science and Systems Engineering, ISSN 1004-3756, E-ISSN 1861-9576, 1-32 p.Article in journal (Refereed) Epub ahead of print
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.

Place, publisher, year, edition, pages
Springer, 2016. 1-32 p.
Keyword [en]
Requirements elicitation, concept selection, systems engineering, value-driven design, decision-making, knowledge maturity
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-13665DOI: 10.1007/s11518-016-5324-2OAI: oai:DiVA.org:bth-13665DiVA: diva2:1059686
Projects
European Commission’s Seventh Framework Programme (FP7/2007-2013) CRESCENDO projectModel Driven Development and Decision Support research profileVINNOVA - Virtual Turbine Module Demonstrator (VITUM) project
Funder
VINNOVAEU, FP7, Seventh Framework Programme, 234344Knowledge Foundation
Available from: 2016-12-22 Created: 2016-12-22 Last updated: 2017-01-16Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2017-12-30 11:15
Available from 2017-12-30 11:15

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Publisher's full texthttp://link.springer.com/article/10.1007/s11518-016-5324-2

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