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Journal of Korean Society for Quality Management > Volume 25(2); 1997 > Article
Journal of Korean Society for Quality Management 1997;25(2): 140-.
민감도분석을 이용한 품질의 편차 감소에 관한 연구
장현수, 이병기
명지대학교 산업공학과
Variation Reducation in Quality Using a Sensitivity Analysis
As product quality is maily determined in the product design and process design step, systematic design should be performed through parameter design and tolerance design. Therefore, we introduced analysis of variance and regression analysis as a statistical method which determine optimal levels of affective design factors to product characteristics, then we compared that process and result. In analysis of variance, variation of quality characteristics arises from noise factors, so the optimal levels of design factors are selected to minimize the effect of noise factors. In regression analysis, variation of quality characteristics aries from variation of each own design factors. As a method to reduce variation of these quality characteristics, sensitivity analysis was performed about each design factors. Through this sensitivity analysis, we represented process to calculate the interaction term of the factors.
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