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A state-transition model of team conceptual design activity

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Abstract

The purpose of the study is to model the micro-scale process patterns which can be identified during team conceptual design activities. A state-transition model has been developed and used to empirically investigate the patterns of design operations during two types of team conceptual design activities: ideation and concept review. The presented work builds on the perception of design problems as ill-defined and implies that conceptual design activities involve the simultaneous development of problems and solutions using three distinctive design operations—analysis, synthesis, and evaluation. The three design operations have been defined as fine-grain design steps performed by design teams when exploring the content of both the problem and the solution dimensions of the design space. Moreover, design operations have been conceptualised as transitions between states of the explored design space, thus providing a basis for the state-transition model. The model’s ability to map and visualise proportions of design operation sequences emerging during ideation and concept review has facilitated the identification of both the activity-specific patterns and patterns that were likely to appear during both types of empirically investigated activities. The two activities exhibited similar patterns, such as alternation of solution synthesis and analysis, sequences of synthesis, analysis and evaluation within solution space, and the potential co-evolution episodes. Nevertheless, divergent traits have been identified for ideation, and convergent traits for concept review, based on the significant differences in proportions of design operations and their sequences.

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(adopted from Reymen et al. 2006)

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Acknowledgements

This paper reports on work funded by the Croatian Science Foundation MInMED (http://www.minmed.org) and TAIDE projects (http://www.taide.org). The authors would like to thank Philip Cash (TU Denmark) for providing the multimedia data of the experiment sessions.

Funding

Croatian Science Foundation project IP-2018-01-7269: Team Adaptability for Innovation-Oriented Product Development - TAIDE (http://www.taide.org).

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Correspondence to Tomislav Martinec.

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Appendix

Appendix

See Tables 10 and 11.

Table 10 Averaged proportions of moves between ASE design operations in problem and solution space (left) and aggregated to ASE (right), obtained from the ideation and concept review activities
Table 11 Averaged proportions of sequences of three consecutive design operations obtained from the ideation and concept review activities

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Martinec, T., Škec, S., Horvat, N. et al. A state-transition model of team conceptual design activity. Res Eng Design 30, 103–132 (2019). https://doi.org/10.1007/s00163-018-00305-1

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  • DOI: https://doi.org/10.1007/s00163-018-00305-1

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