The fuzzy-logic-based reasoning mechanism for product development process

  • Authors:

  • Ying-Kui Gu;Hong-Zhong Huang;Wei-Dong Wu;Chun-Sheng Liu

  • Affiliations:

  • Key Lab. for Precision and Non-traditional Machining Technol. of Ministry of Education, Dalian University of Technology, Dalian, Liaoning, China;,Key Lab. for Precision and Non-traditional Machining Technol. of Ministry of Education, Dalian University of Technology, Dalian, Liaoning, China;Department of Mechanical Engineering, Heilongjiang Institute of Science and Technology, Harbin, Heilongjiang, China;Department of Mechanical Engineering, Heilongjiang Institute of Science and Technology, Harbin, Heilongjiang, China

  • Venue:
  • FSKD'05 Proceedings of the Second international conference on Fuzzy Systems and Knowledge Discovery - Volume Part II
  • Year:
  • 2005

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Abstract

Product development process can be viewed as a set of subprocesses with stronger interrelated dependency relationships. In this paper, the quantitative and qualitative dependency measures of serial and parallel product development processes are analyzed firstly. Based on the analysis results, the process net is developed where the processes are viewed as nodes and the logic constraints are viewed as verges of the net. The fuzzy-logic-based reasoning mechanism is developed to reason the dependency relations between development processes in the case that there is no sufficient quantitative information or the information is fuzzy and imprecise. The results show that the proposed method can improve the reasoning efficiency, reduce the cost and complexity degree of process improvement, and make a fast response to the dynamic development environment.