基于Smith预估器的温控系统设计与仿真  

The design and simulation of temperature control system based on smith predictor

作　　者：王荣[1] 

机构地区：[1]盐城师范学院物理科学与电子技术学院,盐城224002

出　　处：《仪器仪表用户》2012年第5期58-60,共3页Instrumentation

摘　　要：本文针对温控系统的大时滞特性,提出了基于Smith预估控制的设计方法。对Simulink仿真和常规PID控制方法进行比较,分析了Smith预估控制在模型参数发生变化时的系统性能。仿真结果表明,Smith预估控制具有很好的鲁棒性,可以改善系统的动态性能,提高控制品质。In this paper,Smith predictor control is proposed aiming at the great pure delay characteristics of temperature control system and PID control is compared with Smith predictor control for temperature control system using Simulink simulation.And the stability of Smith predictor control when model parameters change is analyzed.The simulation result shows that Smith predictor control has good Robustness and can improve the dynamic performance of the system and promote control quality.

关 键 词：大迟延 温度控制 SMITH预估器 仿真 

分 类 号：TM341[电气工程—电机]