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Journal of Korean Society for Quality Management > Volume 20(2); 1992 > Article
Journal of Korean Society for Quality Management 1992;20(2): 1-.
불량품을 갖는 경제적 생산량 모델의 최적 검사 정책에 관한 연구
경희대학교 공과대학 산업공학과
Optimal Inspection Policy in an Economic Production Quantity with Random Defectives
Jae-Rip Jo
In this paper, we study a joint lot sizing and inspection policy under an EPQ(Economic Production Quantity) model where a random proportion of units are defectives. Those units can be discovered only through costly inspection. The problem is thus bivariate : both lot size and fraction to inspect are to be chosen. We first analyze a model in which the only penalty for uninspected defectives is financial, and then consider a model where defectives units cannot be used and thus must be replaced by non-defective ones. As a result it can be proved that this inspection policy costs economically and is to be decided effectively for the Economic Production Quantity constraining the fraction to inspect.
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