機械設計における設計意図モデルに基づくCAD

概要

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It is clear that CAD systems must have nongeometric information of the artifacts with geometric information. In this paper, we propose the designers' intention model which includes the information of designers' intentions and operations. The designers' intentions and operations which are related to particular artifacts must be described by the designers themselves. In order to describe them, DPL (Design Process Language) is proposed. DPL interpreter is also developed to construct the designers' intention model from the DPL description given by designers which controls other CAD tools including the geometric modeler. Through the constructed designers' intention model that is connected with the geometric model, other designers and process planners can understand the meaning of shape features as to why they are required and generated by the designers. Through case studies, it is clarified that DPL and designers' intention modeling system work as a communication tool among product designers and process planners.
1991-12-25