直流电动机的滑模速度控制

2011 International Conference on Communication Systems and Network Technologies Pub Date : 2011-06-03 DOI:10.1109/CSNT.2011.86

Uma Maheswararao Ch, Y. S. Kishore, Babu K Amaresh

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引用次数: 60

摘要

本文的主要目的是利用基于VSS方法的滑模控制器来控制分离励磁直流电动机的速度。该控制器基于变结构系统，旨在减小直流电动机的峰值超调量、稳态误差和稳定时间。第一阶段采用PI控制器控制直流电机的转速。利用MATLAB/SIMULINK建立了模型并进行了仿真。随后对滑模控制器进行了相同的操作。研究了PI控制器和滑模控制器对直流电动机的速度控制，并对控制结果进行了比较。仿真结果表明，滑模控制器对直流电动机的速度控制优于PI控制器。由于SMC在存在干扰时具有鲁棒性，因此可以完美地跟踪所需的速度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Sliding Mode Speed Control of a DC Motor

The main objective of this paper is to control the speed of separately excited DC Motor using a Sliding mode controller based on VSS approach. This controller is based on variable structure systems which aim at reducing the peak overshoot, steady state error and settling time of a DC Motor. In the first stage, PI controller is used to control the speed of DC Motor. A model is developed and simulated using MATLAB/SIMULINK. Later on the same is done with sliding mode controller. The speed control of DC Motor using both PI and Sliding mode controllers is studied and the results are compared. The simulation results show that Sliding mode controller is superior than PI for speed control of DC motor. Since the SMC is robust in presence of disturbances, the desired speed is perfectly tracked.

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2011 International Conference on Communication Systems and Network Technologies

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