汽油机劣化时的瞬态排放量熵值分析  

The Analysis on the Transient Emissions of the Worsen Spark-Ignited Engines

作　　者：王爱国[1] 

机构地区：[1]安徽机电职业技术学院,芜湖241000

出　　处：《汽车科技》2009年第6期7-10,共4页Auto Sci-Tech

基　　金：国家自然科学基金资助项目(50176006)

摘　　要：介绍了符号时间序列分析中的直方图、Shannon熵等,并给出了熵值的计算程序,选用BN492Q和CS492Q两台汽油机台架进行实验,对得到的实验数据进行熵值分析,结果验证了符号时间序列分析方法的Shannon熵可以作为汽油机瞬态排放的评价参数。In this paper, the symbolic series bar chart and Shannon entropy are introduced based on the symbolic time series analysis method. And the same time, the ealeulational program of Shannon data is gave. Chose the gasoline engine of the BN492Q and cs492Q to experimentize ,used the Shannon to analyze the experiment data. The result validate that Shannon entropy of the symbolic time series analysis method suit for the Evaluating Parameters of the gasoline engine on The Transient Emissions of Spark-Ignited Engines.

关 键 词：汽油机 劣化:瞬态 排放 符号时间序列 Shannon熵 

分 类 号：TK411.1[动力工程及工程热物理—动力机械及工程]