Design Support for "Suriawase" among Several Teams Based on CAD, CAE, Design Knowledge by Agent Technology

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One of the features of Japanese product development is product integrity development which can obtain a multi-objective satisfactory design solution by suriawase : Japanese way for negotiation among several teams of engineers including design teams, production divisions, and suppliers from the initial design phase to the detail design phase concurrently. This study proposes a design support method for suriawase which consists of two phases. Phase I can obtain feasible multi-objective design domain under the uncertain design environment while incorporating all designers' preference by applying a preference set-based design method. The designers can visualize and share the feasible design domain each other for suriawase among several designers. Phase II can show the expanded design variables and possible design domain for function in case of the change of the design requirement domain from phase I by applying the quantitative dependency. This study provides a suggestion of the direction of design modification for suriawase among several teams. The designers can adapt the change of the design environment flexibly at the detail design phase.