基于最大熵概念的复杂随机变量统计模型.pdf

2008年2月 农业机械学报 第39卷第2期 基于最大熵概念的复杂随机变量统计模型* 高 翔 郑建祥 【摘要】 基于最大熵概念的随机变量统计模型，能得到最少偏见的随机变量的概率分布。建立了汽车发动机 和离合器随机工作载荷的基于最大熵概念的概率密度函数统计模型。示例表明，基于最大熵概念上的随机变量统 计模型是可行、有效的。 、 关键词：随机变量分布函数最大熵统计模型 中图分类号：0211．5；TBll4文献标识码：A StatisticalDistributionModelof RandomVariables Complicated BasedonMaximum EntropyConcept Gao Xian91ZhengJianxian92 Institute 2．Huaiyin of (1．JiangsuUniversity Technology) Abstract Thestatisticaldistributionofrandomvariablesis in necessary absolutely manyengineering as lifetest．Whenastatistical practices，suchreliabilityanalysis，fatigue building model，ingeneral，a WaS basedonstatisticaldataof and ofthe took hypothesisproposed samplesexperienceengineer，who the the ofthestatisticalmodelwouldbeinfluencedthe responsibility．Thereforehypothesis by opinion ofthe onmaximum modelof randomvariables engineer．Based entropyconcept，statisticalcomplicated was a estimationmethodthedistribution of functionWasalso presented，andparameter proposed． Maximumstatisticalmodelswereusedtodescribeservice10adsof andclutchofa entropy engine 1ight resultshowedthatthismodelisfeasibleandvalid． truck，androtating