A Study on Engineering History Base |
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Authors: | Toshiharu Taura Atsushi Kubota |
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Affiliation: | (1) Research into Artifacts Center for Engineering (RACE), The University of Tokyo, Tokyo, JP;(2) Product Engineering Research Laboratory, Hitachi Co. Ltd., Yokohama, Kanagawa, Japan, JP |
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Abstract: | During engineering processes, many kinds and amounts of information are used and produced. Such information is useful in successive
cases, and thus its reuse is desired. In this paper, information on attributes of the products is referred to as ‘product
information’, and information on the reasons for and/or history of a designer’s thought process is referred to as ‘process
information’. According to this classification, process information can be used for obtaining an explanation of product information.
The purpose of this work is to build a database, called an ‘engineering history base’, from which engineers can retrieve explanations
to enable the reuse of product information. In this paper, explanation from the ‘process’ viewpoint is thought to be important
in promoting the reuse of product information. There are two types of explanation for the process: teleological and causal.
However, until now, little attention has been paid to the causal explanation for the process. Thus, in this paper, an information
model which focuses on both types of explanation is proposed. The model is adopted for the engineering history base and a
prototype system is developed. The appropriateness of this model is discussed by analyzing the actual data in the development
of a color video printer. |
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Keywords: | :Design – Explanation – History – Process |
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