Shewhart控制图是核查数据分析的主要工具,在核查数据为小样本情况下Shewhart控制图容易导致“误发警报”。针对这一问题,提出一种自助最大熵融合方法,优化Shewhart控制图控制参数。首先,通过自助法充分挖掘核查数据自身特征,扩大样本容量。在此基础上,应用最大熵原理,描述出核查数据概率分布参数的密度函数,估计核查数据样本的均值和方差,从而优化Shewhart控制图控制参数。实验表明,经自助最大熵优化后的Shewhart控制图控制参数更加接近理论值,降低了发生“误发警报”的概率。
Abstract
The Shewhart control chart is a main method to analyze check data. However, the Shewhart control chart is apt to cause false alarm under small amount of sample. For this problem, a method of Bootstrap Entropy Fusion Model is proposed to optimize control parameters of the Shewhart control chart. The bootstrap method is used to enlarge the amount of sample firstly. Based on this work, the maxim entropy is used to describe probability density functions of check data distribution parameters and estimate the mean value and variance of check data distribution. Therefore, control parameters are optimized. Experiments show that the optimized control parameters approach theory true values and the probability of false alarm is decreased.
关键词
计量学 /
Shewhart控制图 /
测量过程控制 /
小样本 /
自助最大熵融合模型
Key words
Metrology /
Shewhart control chart /
Measurement process control /
Small sample /
Bootstrap entropy fusion model
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参考文献
[1]ISO. ISO10012:2003,Measurement management systems——Requirements for measurement processes and measuring equipment[S]. 2003.
[2]国家质量监督检验检疫总局. GB/T 27025—2008, 检测和校准实验室的通用要求[S]. 2008.
[3]国家质量监督检验检疫总局. JJF 1069—2007, 法定计量检定机构考核规范[S]. 2007.
[4]李志强, 杨铁忠, 陈怀艳. 军事装备技术保障中的计量确认和测量过程控制方法研究[J]. 电子测量与仪器学报, 2004, 18(3): 1-7.
[5]孙群, 赵颖, 孟晓风. 基于动态修正贝叶斯模型的自动测试系统量值稳定性监控方法[J]. 兵工学报, 2008, 29(8): 990-994.
[6]赵宇, 陈松涛. GM(1,1)模型在虚拟仪器测量过程控制中的应用[J]. 哈尔滨工业大学学报, 2009, 41(7): 249-251.
[7]Aebtarma S, Bouguila N. An empirical evaluation of attribute control charts for monitoring defects [J]. Expert Systems with Applications, 2011, 38(6): 7869-7880.
[8]Panagiotidoua S, Nenes G. An economically designed,inte-grated quality and maintenance model using an adaptive Shewhart chart[J]. Reliability Engineering & System Safety, 2009, 94(3): 732-741.
[9]Tsai T, Lin C, Wu S. Alternative attribute control charts based on improved square root transformation[J]. Tamsui Oxford Journal of Mathematical Sciences, 2006, 22 (1): 61-72.
[10] Yang S F, Lin J S, et al. A new nonparametric EWMA sign control chart[J]. Expert Systems with Applications, 2011, 38(5): 6239-6243.
[11]Albers W. Empirical nonparametric control charts for high-quality processes[J]. Journal of Statistical Planning and Inference, 2011, 141(9): 3151-3159.
[12]孙群, 赵颖, 孟晓风. 基于小样本数据特征的测量过程控制图参数优化[J]. 系统仿真学报, 2008, 20(11): 2987-2990.
[13]张公绪, 孙静. 新编质量管理学[M]. 北京: 高等教育出版社, 2003.
[14]夏新涛, 陈晓阳, 张永振,等. 航天轴承摩擦力矩的最大熵概率分布与bootstrap推断[J]. 宇航学报, 28(5): 1395-1400.
[15]夏新涛, 陈晓阳, 张永振, 等. 滚动轴承乏信息试验分析与评估[M]. 北京: 科学出版社, 2007.
基金
2010年度山东省高等学校优秀骨干教师国际合作培养项目