改进的矩形波串算法及在过程数据压缩中的应用  

Modified Boxcar Algorithm and Its Application in Process Data Compression

作　　者：李正明[1] 汤同奎 谭延良[1] 

机构地区：[1]江苏理工大学电气信息工程学院,江苏镇江212013 [2]上海维宏科技有限公司,上海200032

出　　处：《江苏理工大学学报（自然科学版）》2001年第6期73-77,共5页Journal of Jiangsu University of Science and Technology(Natural Science)

基　　金：江苏省教育厅自然科学基金资助项目 ( 0 0KJD5 10 0 0 7)

摘　　要：阐述了DCS系统中过程数据压缩的作用及特点 ,提出一种改进的矩形波串过程数据压缩方法 ,给出离线压缩、在线压缩及信号重现算法 ,通过实际数据进行离线仿真并分析算法的性能 。The functions and the features of DCS system process data compression are described in the paper. A modified boxcar process data compression method is put forward ,and the algorithm of offline compression,online compression and signal reconstruction is provided.The performance of the algorithm is analyzed by an offline simulation based on practical process data. The application of the algorithm in fieldbus control system is introduced.

关 键 词：过程数据压缩 DCS系统 矩形波串 数据处理 现场总线控制 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]