機械設計支援エキスパートシステムにおける柔軟な設計手順の探索 : 歯車減速機設計への適用(<小特集> 統合化生産システム)

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Mechanical design requires high-experience knowledge, and an expert system (ES) is effective in such a situation. A design process is generally changed according to the objective and constraint of the design and the designer's policy. Therefore, a flexible ES should be able to generate a design process. In this paper, an ES for mechanical design, which includes the design process generator, is developed. The authors propose knowledge representation for mechanical design and an algorithm to obtain the design process. To confirm the behavior of the system, this prototype ES is developed for the design of power transmission gear units. The system is written in LISP. The knowledge to determine the gear dimensions is represented by function or production rules for generation of design solutions. In addition, they are represented by frame for the generation of the design process. The inference engine locates available knowledge by using this frame in the breadth-first search, and they are shown to the designer who selects one of the usable knowledge data. The design process is the sequence of selected usable knowledge data. Two design examples are executed. The material of gears is prescribed in the first case, and the center distance is prescribed in the second case. In both cases, the designer obtains a rational design process corresponding to the prescribed design conditions. This system is flexible and can be easily applied to other fields of mechanical design.
一般社団法人日本機械学会の論文
1993-07-25

機械設計支援エキスパートシステムにおける柔軟な設計手順の探索 : 歯車減速機設計への適用(<小特集> 統合化生産システム)

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