基于命令滤波的异步电机有限时间位置跟踪控制  

Finite-Time Position Tracking Control Technique for Induction Motors-Based on Command Filter

作　　者：韩瑶[1] 马玉梅[2] 于金鹏[1] 赵林[1] 杨雪婷[1] 

机构地区：[1]青岛大学自动化与电气工程学院,山东青岛266071 [2]青岛大学计算机科学技术学院,山东青岛266071

出　　处：《青岛大学学报（工程技术版）》2017年第3期92-97,103,共7页Journal of Qingdao University(Engineering & Technology Edition)

基　　金：国家自然科学基金资助项目(61573204;61573203;61501276;61603204);山东省优秀青年基金重点资助项目(ZR2015JL022);泰山学者工程专项经费资助(20161026)

摘　　要：针对传统反步控制中存在的"计算爆炸"问题,本文结合有限时间和命令滤波控制技术,给出了基于命令滤波的异步电机有限时间位置跟踪控制。在反步设计中,引入了命令滤波技术,通过设计误差补偿机制,减小了滤波误差,成功地解决了在电机传统反步控制中的"计算爆炸"问题。结合有限时间控制技术,减小了系统跟踪误差,缩短了动态响应时间,提高了系统的收敛速度和干扰抑制能力,为验证基于命令滤波的异步电机有限时间位置跟踪控制方法的可行性,利用Matlab软件进行仿真分析。仿真结果表明,本文提出的控制方法,可以使目标信号快速跟踪期望信号,保证系统的跟踪误差能够在有限的时间内收敛到原点的一个充分小的邻域中,最终实现对异步电动机快速准确的位置跟踪控制。该方法具有一定的实际应用价值。In order to solve the problem of'explosion of complexity'inherent in the traditional design method of the backstepping,this paper gives a position tracking control technique for induction motors combined the finitetime technique with the command filter control technique.By introducing a compensation mechanism in the design of backstepping,it can reduce the error produced by the filter.It successfully solves the problem of'explosion of complexity'inherent in the traditional design method of the backstepping.With the finite-time control technique,the dynamic response time is short and it can improve the convergence speed and interference suppression ability of the system.In order to demonstrate the effectiveness of the proposed controllers,we can use Matlab to simulate and analyze.The simulation results show that achieving agood control effect on induction motor drive system which can ensure the target signal to track the desired signal quickly and the tracking error to converge to a small neighborhood of origin in finite time,to realize the fast and exact position tracking control of induction motor at final.The method is of practical value in application.

关 键 词：异步电动机 位置跟踪 有限时间 命令滤波技术 

分 类 号：TM343[电气工程—电机] TP273.2[自动化与计算机技术—检测技术与自动化装置]