Deployment of an ontological framework of functional design knowledge

  • Authors:

  • Yoshinobu Kitamura;Masakazu Kashiwase;Masayoshi Fuse;Riichiro Mizoguchi

  • Affiliations:

  • The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan;Plant and Production Systems Engineering Division, Sumitomo Electric Industries, Ltd, 1-1-1, Koya-kita, Itami, Hyogo 664-0016, Japan;Plant and Production Systems Engineering Division, Sumitomo Electric Industries, Ltd, 1-1-1, Koya-kita, Itami, Hyogo 664-0016, Japan;The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan

  • Venue:
  • Advanced Engineering Informatics
  • Year:
  • 2004

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Abstract

Although the importance of knowledge sharing among designers has been widely recognized, knowledge about functionality in the conceptual design phase is hard to capture and is often scattered across technical domains. Aimed at capturing such functional knowledge that can easily be applied to other domains, we developed an ontological framework to systematically describe it. It includes six kinds of knowledge about functionality, i.e. two types of functional models, two types of organization of generic knowledge, and two ontologies of functionality. This paper reports on the successful deployment of the framework in a production company. The Plant and Production Systems Engineering Division of Sumitomo Electric Industries has used our framework to share functional design knowledge on production systems since May, 2001. An empirical evaluation by Sumitomo's engineers was unanimously positive. They said that this framework enabled them to make implicit knowledge possessed by each designer explicit and to share it among team members. This paper discusses some successful use-cases in tasks such as a design review, a patent application, and solving a quality problem. We also discuss effects of our ontological framework as a consistent viewpoint for capturing implicit functional knowledge and as a conceptual interlingua among designers. The limitations of our framework are also discussed.