过程数据压缩在故障诊断中的应用  

The Application of Process Data Compression in Fault Diagnosis

作　　者：梁淑宝[1] 张培林[1] 曹建军[1] 

机构地区：[1]军械工程学院火炮工程系,河北石家庄050003

出　　处：《微计算机信息》2010年第25期24-25,122,共3页Control & Automation

摘　　要：将过程数据压缩引入故障诊断,阐述了过程数据压缩的概念和内涵,比较了化工过程数据和在线故障诊断数据流的相似性,将过程数据压缩概念进一步拓展,指出在线诊断过程的综合优化是诊断过程数据压缩的本质,分析了在线故障诊断中过程数据压缩的研究内容,给进一步研究在线故障诊断中的过程数据压缩提供了理论依据和具体思路。The process data compression was introduced into fault diagnosis.The conception and meaning of process data compression were set forth.The resemblance between chemical process data and online fault diagnosis data stream was compared.The conception of process data compression was developed further.The essence of diagnosis process data compression was synthesis optimization of online fault process.The research content of process data compression in online fault diagnosis was analyzed.The theory and idea were provided for researching process data compression in online fault diagnosis.

关 键 词：过程数据压缩 数据流 蚁群优化 故障诊断 降噪 特征提取 特征选择 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]