一种永磁交流伺服系统速度抗干扰控制算法研究
A Speed Anti-disturbance Control Algorithm for Permanent Magnet AC Servo Systems
刘欢 1郝中洋 1张晓敏 1王新浩2
作者信息
- 1. 北京空间机电研究所,北京 100094
- 2. 合肥工业大学,合肥 230009
- 折叠
摘要
速度控制器是伺服控制系统中极为重要的一个环节,其性能是衡量整个控制系统的重要因素.在实际工程中,永磁交流伺服系统中往往存在大量的干扰,传统PID控制算法难以取得满意的控制效果.为提高永磁交流伺服系统的抗干扰控制性能,文章设计了基于扩张状态观测器的速度抗干扰控制算法.首先,设计扩张状态观测器,在对旋转变压器解调的同时,实时准确的估计干扰,并加以前馈补偿.然后,设计非奇异终端滑模控制器,实现了转速的高精度抗扰控制.仿真和实验结果表明,该控制算法的速度控制误差相比传统PID控制器减少了 64%以上.因此,该控制算法性能优于传统的PID控制器,在实际工程中可以提高永磁交流伺服系统的抗干扰性能和控制精度.
Abstract
The speed controller is an extremely important segment in servo control systems,and its performance is an important factor in measuring the control effect of the entire control system.In practical engineering,there is a large amount of interference in permanent magnet AC servo system,and traditional PID control algorithms are difficult to achieve satisfactory control results.To improve the anti-interference control performance of permanent magnet AC servo systems,this paper designs a speed anti-interference control algorithm based on an extended state observer.Firstly,the extended state observer is designed to accurately estimate interference in real time while realizing demodulation,and feedforward compensation is performed.Then,a non-singular terminal sliding mode controller is designed to achieve high-precision anti-interference speed control.Simulation and experimental results show that the speed control error of this control algorithm is reduced by more than 64%compared to traditional PID controllers.Therefore,the proposed method has better control performance than the traditional PID control methods,and can improve the anti-interference performance and control accuracy of permanent magnet AC servo systems in practical engineering.
关键词
永磁交流伺服系统/旋转变压器/扩张状态观测器/前馈补偿/抗干扰控制Key words
permanent magnet AC servo system/resolver/extended state observer/feedforward compensation/speed anti-disturbance control引用本文复制引用
出版年
2024
NETL
NSTL
万方数据