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Journal of Korean Society for Quality Management 1983;11(1): 44-. |
| $ar{x}$-chart 의 경제적(經濟的) 파라메터 설정(設定)에 관한 연구(硏究) |
| 한병돈1, 황의철2 |
1대유공업전문대학
2한양대학교 공과대학 산업공학과 |
| A Study on defermination of the economic Parameter in $ar{x}$-control chart |
| Byeong-Don Han1, Ui-Cheol Hwang2 |
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| ABSTRACT |
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The main factors of determining the Control Line of the Control Chart can be classified as follows: 1) sample size (n), 2) the factor that determines the spread of Control Limits (B), (3) sampling frequency (h). The determination of these factors can be explained according to the extent that occurrences of assignable cause should be detected. The purpose of this paper are two: one is for composing a model of which use should be designated for economic decision on the size of these factors leading to the Control Line of the Control Chart, the other is about what influence increasing or decreasing condition, according to changeability of the size of these factors, of expect cost can have on the economy when the Control Chart is used. |
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