A Note on Selecting Target and Process Capability Index Based on Fuzzy Optimization

Chen Chung-Ho and Chou Chao-Yu
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Chen Chung-Ho: Department of Industrial Management, Southern Taiwan University of Technology, 1 Nan-Tai Street, Yung-Kang City, Tainan 710, Taiwan
Chou Chao-Yu: Department of Industrial Engineering and Management, National Yunlin University of Science and Technology, Touliu 640, Taiwan

Stochastics and Quality Control, 2002, vol. 17, issue 1, 75-80

Abstract: To run a production processes an appropriate target for the process mean has to be fixed, for presenting process capability a suitable target for a process capability index has to be selected. Generally, the two targets are fixed independently. This paper presents a method which combines both targets with respect to process mean and process capability under a fuzzy environment. By defining linear membership functions for relaxing the strict conditions on the above given two targets, a minimax approach is used for obtaining a solution of the problem.

Keywords: Target Value; Process Capability Index (PCI); Fuzzy Set; Membership Function (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1515/EQC.2002.75

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