製品系列統合化設計における最適性と最適化法に関する研究 : 第1報,最適化問題の構造と様相(機械要素,潤滑,工作,生産管理など)

概要

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This paper discusses product variety design under the viewpoint of design optimization paradigm. Product variety design means the simultaneous design of multiple products toward higher optimality beyond ordinary design methods for a single product. It is expected to be an excellent manufacturing strategy, since design optimization basis is expanded. The paper first shows the possibilities and difficulties of design optimization for multiple products under fixed product architecture. Such optimization demands to determine the contents of modules and their combinations under modular architecture. This indicates that product variety optimization includes three classes of optimization problems, attribute assignment, module combination and simultaneous design of both. The paper defines generic framework on the optimality as the prerequisite for developing optimization techniques for respective classes. Then, stretch-based aircraft design deployment, which is an example of the first class, is explored by means of enumeration and successive quadratic programming, after developing the mathematical model for the evaluation of total profit of a manufacturer through the entire production of all units of different models. Its numerical result demonstrates the necessity and effectiveness of optimization paradigm in product variety design.
社団法人日本機械学会の論文
2002-02-25