| 应用CUSUM控制图监控过程变差方法的比较 |
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| 引用本文： | 王前洪,张宇.应用CUSUM控制图监控过程变差方法的比较[J].现代制造工程,2006(2):1-4. |
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| 作者姓名： | 王前洪 张宇 |
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| 作者单位： | 山东理工大学机械工程学院,淄博,255049 |
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| 摘 要： | 累积和控制图监控过程均值偏移的应用较多,而用于监控过程变差较少。在机械零、部件的大批量、高精度生产过程中,需要同时监控过程均值和变差。在介绍三种主要的监控变差的CUSUM控制图方法基础上,结合案例给予比较,并指出各自的不足之处。
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| 关 键 词： | 累积和控制图 方差 统计过程控制 |
| 文章编号： | 1671-3133(2006)02-0001-04 |
| 修稿时间： | 2005年10月15 |
Comparison of three CUSUM methods to monitor process variance |
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| Wang Qianhong,Zhang Yu.Comparison of three CUSUM methods to monitor process variance[J].Modern Manufacturing Engineering,2006(2):1-4. |
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| Authors: | Wang Qianhong Zhang Yu |
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| Abstract: | Cumulative Sum(CUSUM)control charts have been widely used for monitoring the shift of process.Relatively little attention has been given to the use of CUSUM charts for monitoring the process variance.But, it is necessary to monitor process shift and variance simultaneously in the high-precision mass manufacturing processes.On the basis of introduction to three CUSUM methods for monitoring process variance,a comparison with a case study is given,and the advantages and disadvantages of the three methods are discussed. |
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| Keywords: | CUSUM control chart Variance Statistical process control |
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