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Journal of Korean Society for Quality Management > Volume 27(1); 1999 > Article
Journal of Korean Society for Quality Management 1999;27(1): 18-.
불량률의 측도로 비정규 공정능력의 평가: Gamma 분포
김홍준1, 김진수2, 송서일3
1대구산업정보대학 산업안전과
2대전산업대학교 산업공학과
3동아대학교 산업공학과
Using percentage Nonconforming to evaluate Non-Normal Process Capability: Gamma Distributions
ABSTRACT
This paper is a brief review of the different procedures that are available for fitting theoretical distributions to data. The use of each technique Is illustrated by reference to a distribution system which including the Pearson, Johnson and Burr functions. These functions can be used to calculate percent out of specification. Therefore, in this paper a new method for estimating a measure of process capability for Gamma distributed variable data proposed using the percentage nonconforming. Process capability indices combines with the percentage nonconforming Information can be used to evaluate more accurately process capability.
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