Methods of Improving the Performance of Closed Loop System

WANG Yong; ZHANG Xin-zheng; ZHANG Rong-ming

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Methods of Improving the Performance of Closed Loop System

更新时间：2026-05-27

- Methods of Improving the Performance of Closed Loop System
- Vol. 22, Issue 3, Pages: 59-63(2005)
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- Online First：02 July 2005，
  
  Published：2005
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王勇, 张新政, 张荣明. 改善闭环系统性能的方法[J]. 广东工业大学学报, 2005, 22(3): 59-63.

WANG Yong, ZHANG Xin-zheng, ZHANG Rong-ming. Methods of Improving the Performance of Closed Loop System[J]. 2005, 22(3): 59-63.
王勇, 张新政, 张荣明. 改善闭环系统性能的方法[J]. 广东工业大学学报, 2005, 22(3): 59-63. DOI：

WANG Yong, ZHANG Xin-zheng, ZHANG Rong-ming. Methods of Improving the Performance of Closed Loop System[J]. 2005, 22(3): 59-63. DOI：

摘要

提出I-变速趋近律和m-变速趋近律.利用该趋近律方法

设计了基于离散时间线性定常系统的变结构控制(VSC).系统在该变结构控制的作用下

趋近运动和滑动运动的速度是可变的;保证了趋近模态和滑动模态的品质

并能削弱闭环系统的抖振

从而改善了闭环系统的品质.通过实例仿真

验证了该设计方法是有效和可行的.

Abstract

In this paper

two novel approach laws called I-variable speed reaching law and m-variable speed reaching law are brought forward and the design method of VSC is given which is obtained straightforward by the reaching law method

based on the discrete time linear constant system.It is shown that under the action of the VSC on the system the reaching mode and sliding mode have changeable speeds

the good performance of reaching mode is kept and the chatter of quasi-sliding mode is weakened very well.Therefore

the performance of the closed loop system is improved.The simulation results have revealed that the design methods are effective and feasible.

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references

高为炳. 离散时间系统的变结构控制[J]. 自动化学报. 1995(02)

高为炳,程勉. 变结构控制系统的品质控制[J]. 控制与决策. 1989(04)

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