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ISSN : 2005-0461(Print)
ISSN : 2287-7975(Online)
Journal of Society of Korea Industrial and Systems Engineering Vol.29 No.2 pp.97-103
DOI :

감마분포 공정을 위한 변동계수 관리도의 통계적 설계

이동원*. 백재원**, 강창욱**
BOSCH-KAMCO CLP*, 한양대학교 산업공학과**, 한양대학교 정보경영공학과***

The Statistical Design of CV Control Charts for the Gamma Distribution Processes

Chang-Wook Kang***, Lee Dong-Won*, Paik Jae-Won**,
Dept. of Information & Industrial Engineering, Hanyang University***
Dept of Customer order Logistics & Material/Production Planning, BOSCH-KAMCO*,
Dept. of Industrial Engineering, Hanyang University**,
[$AuthorMark7$]

Abstract

Recently, the control chart is developed for monitoring processes with normal short production runs by the coefficient of variation(CV) characteristic for a normal distribution. This control chart does not work well in non-normal short production runs. And most of industrial processes are known to follow the non-normal distribution. Therefore, the control chart is required to be developed for monitoring the processes with non-normal short production runs by the CV characteristics for a non-normal distribution. In this paper, we suggest the control chart for monitoring the processes with a gamma short runs by the CV characteristics for a gamma distribution. This control chart is denoted by the gamma CV control chart. Futhermore evaluated the performance of the gamma CV control chart by average run length(ARL).

Reference