| MEWMA控制图ARL计算及参数优化 |
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| 引用本文： | 杜福洲,唐晓青,孙静.MEWMA控制图ARL计算及参数优化[J].北京航空航天大学学报,2006,32(8):974-978. |
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| 作者姓名： | 杜福洲 唐晓青 孙静 |
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| 作者单位： | 1.北京航空航天大学 机械工程及自动化学院, 北京 100083 |
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| 摘 要： | 平均运行链长(ARL)是控制图性能评价的一个重要指标,深入研究ARL是控制图参数优化、性能评价和实际应用的重要工作.在采样数据标准化处理的基础上,应用马尔可夫链进一步研究了多元指数移动平均(MEWMA)控制图中ARL计算的数学模型,采用Matlab实现了算法,就算法的收敛性及计算结果进行分析.以ARL为优化指标,给出了MEWMA控制图参数优化的具体步骤、计算实例和参数优化结果.
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| 关 键 词： | 质量控制 统计过程控制 多变量控制系统 马尔可夫过程 优化控制系统 |
| 文章编号： | 1001-5965(2006)08-0974-05 |
| 收稿时间： | 2005-09-14 |
| 修稿时间： | 2005年9月14日 |
ARL computation and parameters optimization for MEWMA control chart based on the Markov chain |
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| Du Fuzhou,Tang Xiaoqing,Sun Jing.ARL computation and parameters optimization for MEWMA control chart based on the Markov chain[J].Journal of Beijing University of Aeronautics and Astronautics,2006,32(8):974-978. |
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| Authors: | Du Fuzhou Tang Xiaoqing Sun Jing |
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| Institution: | 1.School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China2. Department of Management Science and Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | Average run length(ARL) is one of the important indices in performance evaluation on quality control charts,the research on which will set up the foundation of quality control chart parameters optimization,performance evaluation and application.An ARL computation model based on the Markov chain was studied for the multivariate exponentially weighted moving average(MEWMA) control chart,the Matlab program was designed and implemented.The convergence of the algorithm and the performance of the MEWMA control chart in different conditions through the analysis of the computation results were analyzed.A procedure for parameters optimization of MEWMA control chart was proposed.An computation example and some optimization results was presented. |
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| Keywords: | quality control statistical process control multivariable control systems Markov processes optimal control systems |
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