基于状态观测器的催化重整芳烃收率在线估计  

Online estimation of catalytic reforming aromatics yield based on state-obervers

作　　者：郭颖[1] 刘思成[1] 王艳[1] 郭志恒[1] 陶文华[1] 

机构地区：[1]辽宁石油化工大学信息与控制工程学院,辽宁抚顺113001

出　　处：《计算机与应用化学》2017年第4期280-284,共5页Computers and Applied Chemistry

基　　金：国家自然科学基金(61203021);辽宁省科技攻关项目(2011216011)

摘　　要：基于催化重整装置反应器的非线性动态模型,将芳烃收率不可测变量扩展为系统的状态变量,构造状态观测器对其进行在线观测。鉴于系统工作点的不断变化特点来选取合适的反馈增益矩阵配置极点,设计了一种能在较大范围内稳定工作的自适应状态观测器。仿真结果表明,用该方法设计的观测器能较好收敛到状态真值。Based on the nonlinear dynamic model of catalytic reforming reactor, unmeasureable variables of aromatics yield were augmented as state variables, and a state-observer was constructed to implement the online estimation. In view of constant changing operating point, desired gain matrix is achieved by allocating the observer poles, a adaptive state-observer which could run in a wide range for nonlinear systems is proposed. The observer simulation shows that its estimated values could converge to actual values for unmeasureable variables.

关 键 词：催化重整:芳烃收率 状态观测器 自适应 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]