Present and Future of Digital Design

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  • HAGIWARA Ichiro
    Department of Mechanical Science and Engineering, Graduate School of Science and Engineering

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  • IT時代のディジタル設計の現状と今後(<特集>IT革命の展望)
  • IT時代のディジタル設計の現状と今後
  • IT ジダイ ノ ディジタル セッケイ ノ ゲンジョウ ト コンゴ

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The purpose of design is to provide a product that satisfies customers in as short a period as possible. For a product to satisfy its customers, it must be easy, safe, comfortable or even amusing to use, not to mention basic performance such as high strength or rigidity and low vibration or heat. While recent developments in information technology have considerably reduced the period for development of basic functions through digital design methodologies, sense-related aspects of a product resist digitization because of difficulty in their quantification. Future extension of information technology in the design field thus depends on how much digitization of the sense is possible. The authors has proposed, as a new approach, integration of computational dynamics into ergonomics for digitization of the sense. The basic concept is what the author calls Dynamic Cooperation: human-friendly machines should be capable of diagnosing itself for safe operation, understanding users' dissatisfaction and changing accordingly its environment. The first step for its realization is Static Cooperation, or determining design specifications that satisfy a cluster of target users. The present article describes the present status of relevant technologies and reviews problems to be solved to obtain digital data on dynamic and static man-machine relationships for digitization of the sense.

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