Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor

This paper deals with the robust control method for permanent magnet synchronous motor (PMSM) speed-regulation system based on active disturbance compensation. Different from the classical PMSM disturbance compensation scheme, a novel disturbance feed-forward compensation based on extended state obs...

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Main Authors: Yuxiang Ma, Yunhua Li
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/10/2/709
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author Yuxiang Ma
Yunhua Li
author_facet Yuxiang Ma
Yunhua Li
author_sort Yuxiang Ma
collection DOAJ
description This paper deals with the robust control method for permanent magnet synchronous motor (PMSM) speed-regulation system based on active disturbance compensation. Different from the classical PMSM disturbance compensation scheme, a novel disturbance feed-forward compensation based on extended state observer (ESO) is designed for speed loop and <i>q</i>-axis current loop of PMSM. The disturbances of current loop include unmodeled dynamics of back electromotive force and parameters variations of stator are considered as lumped disturbance to compensate actively. In this way, the dynamic response of <i>q</i>-axis current loop can be improved to guarantee the anti-disturbance ability. A composite controller using sliding mode control and ESO is designed as speed loop controller, and an ESO-based proportional-integral controller is designed for <i>q</i>-axis current loop. Moreover, a transition process of reference signal is introduced to replace the step reference signal, which reduces the initial error and increases the range of feedback gain to improve system robustness. Finally, simulations and experiments are given to demonstrate the effectiveness of the proposed strategy.
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spelling doaj.art-e5484a5a9a9d4b82aa259bf7265c62c62022-12-21T23:30:25ZengMDPI AGApplied Sciences2076-34172020-01-0110270910.3390/app10020709app10020709Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous MotorYuxiang Ma0Yunhua Li1School of Automation Science and Electric Engineering, Beihang University, XueYuan Road No.37, HaiDian District, Beijing 100191, ChinaSchool of Automation Science and Electric Engineering, Beihang University, XueYuan Road No.37, HaiDian District, Beijing 100191, ChinaThis paper deals with the robust control method for permanent magnet synchronous motor (PMSM) speed-regulation system based on active disturbance compensation. Different from the classical PMSM disturbance compensation scheme, a novel disturbance feed-forward compensation based on extended state observer (ESO) is designed for speed loop and <i>q</i>-axis current loop of PMSM. The disturbances of current loop include unmodeled dynamics of back electromotive force and parameters variations of stator are considered as lumped disturbance to compensate actively. In this way, the dynamic response of <i>q</i>-axis current loop can be improved to guarantee the anti-disturbance ability. A composite controller using sliding mode control and ESO is designed as speed loop controller, and an ESO-based proportional-integral controller is designed for <i>q</i>-axis current loop. Moreover, a transition process of reference signal is introduced to replace the step reference signal, which reduces the initial error and increases the range of feedback gain to improve system robustness. Finally, simulations and experiments are given to demonstrate the effectiveness of the proposed strategy.https://www.mdpi.com/2076-3417/10/2/709feedforward-based controlactive compensationextended state observerpermanent magnet synchronous motor<i>q</i>-axis current loop
spellingShingle Yuxiang Ma
Yunhua Li
Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
Applied Sciences
feedforward-based control
active compensation
extended state observer
permanent magnet synchronous motor
<i>q</i>-axis current loop
title Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
title_full Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
title_fullStr Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
title_full_unstemmed Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
title_short Active Disturbance Compensation Based Robust Control for Speed Regulation System of Permanent Magnet Synchronous Motor
title_sort active disturbance compensation based robust control for speed regulation system of permanent magnet synchronous motor
topic feedforward-based control
active compensation
extended state observer
permanent magnet synchronous motor
<i>q</i>-axis current loop
url https://www.mdpi.com/2076-3417/10/2/709
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