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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:

第29卷

期数:

2008年第2期

页码:

317-318

栏目:

出版日期:

2008-04-20

文章信息/Info

Title:

Design of Decreasing Delay-time Control System

文章编号:

1000-5013(2008)02-0317-02

作者:

李钟慎; 王永初

华侨大学机电及自动化学院; 华侨大学机电及自动化学院 福建泉州362021; 福建泉州362021

Author(s):

LI Zhong-shen;  WANG Yong-chu

College of Mechanical Engineering and Automation, Huaqiao University, Quanzhou 362021, China

关键词:

大滞后系统;  滞后削弱器;  比例积分微分控制器;  误差平方积分准则

Keywords:

large delay-time system;  decreasing delay-time controller;  PID controller;  integral of square error

分类号:

TP273

DOI:

10.11830/ISSN.1000-5013.2008.02.0317

文献标志码:

A

摘要:

将大滞后的对象演变成小滞后的对象,按平方误差积分准则设定点最优整定算法整定比例积分微分(PID)控制器参数.采用Simulink对不同Lm时的滞后削弱器控制系统的阶跃响应进行仿真,结果表明,系统加入滞后削弱器后,只能把等效对象的纯滞后时间变小,但不能消除纯滞后时间.滞后削弱器对大滞后系统的控制效果很好,且优于经典PID控制系统,利用滞后削弱器可以用PID控制器来控制大滞后系统.

Abstract:

The method of decreasing delay-time controller is presented.Firstly,the large delay-time plant is remodeled into small delay-time plant.And then the parameters of optimal proportional-integral derivative(PID) controller are tuned by integral of square error(ISE) criterion.The relationship between the step responses of decreasing delay-time control system and the parameter Lm is simulated by Simulink.The simulation results show that the decreasing delay-time controller only can decrease delay time,but can′t cancel delay time.The effect of decreasing delay-time control system is very good.Using decreasing delay-time controller,the large delay-time system can be controlled by PID controller.

备注/Memo

备注/Memo:

华侨大学高层次人才科研启动项目(07BS510)

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更新日期/Last Update: 2014-03-23