| Summary: | 碩士 === 國立交通大學 === 工業工程與管理系 === 89 === Under the mass production environment, the conventional capability indices are utilized to evaluate the process performance. In the job-shop production environment ( or short run production ), in order to evaluate the performance of the short run production, the capability indices need to be revised for small samples. Because the product complexity has been increased recently, the process capability analysis for multiple quality characters of the product becomes important. Some multivariate capability indices have been developed under the assumption of multivariate normal distribution. However, this is not always true in the short run production environment. Therefore, the purpose of this study is to develop a multivariate capability index for short run production. A case study is also presented to illustrate the effectiveness of the proposed multivariate capability index for the short run production.
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