基于机理与主元分析的纸浆漂白MIMO软测量  

MIMO Soft Measurement of Pulp Bleaching Process Based on Working Principium of the Process and PCA

作　　者：张伟[1] 胡昌华[1] 郑恩让[2] 

机构地区：[1]第二炮兵工程学院,陕西西安710025 [2]西北轻工业学院,陕西咸阳712081

出　　处：《化工自动化及仪表》2002年第3期47-49,共3页Control and Instruments in Chemical Industry

基　　金：国家教委高校骨干青年教师资助计划;国家自然科学基金重点课题 (6993 10 40 )资助

摘　　要：提出一种机理与主元分析相结合选择MIMO软测量辅助变量的方法 ,在此基础上用RBFN建立纸浆漂白过程MIMO软测量模型。实现了pH值、残氯软测量。仿真结果显示 :该软测量方案实用、可靠 ;在精度、实时性方面结果令人满意。In the paper,a method of choosing auxiliary variables in MIMO soft measurement is presented,the method is based on working principium of pulp bleaching process and PCA,RBFN model for MIMO soft measurement of pH and remaining chlorine is established.Result of simulation shows that the way is effective,reliable and satisfy in accuracy and property of real time.

关 键 词：纸浆 漂白 机理 主元分析 辅助变量选择 MIMO软测量 RBFN PH值 残氯 造纸 

分 类 号：TS745[轻工技术与工程—制浆造纸工程] TP273[自动化与计算机技术—检测技术与自动化装置]