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Active disturbance rejection control FCS-MPC strategy based on ESO of PMSM system

Journal of Measurement Science and Instrumentation 2018年第2期9卷 140-147页

作者： ZHANG Bin WEN Xue LI Kun-qi School of Automation&Electrical Engineering Lanzhou Jiaotong UniversityLanzhou 730070China

In order to improve the control performance of three-phase permanent magnet synchronous motor(PMSM)system,an active disturbance rejection finite control set-mode predictive control(FCS-MPC)strategy based on improved extended state observer(ESO)is proposed in this *** is designed based on the arc-hyperbolic sine function to obtain estimations of rotating speed and back electromotive force(EMF)term of motor *** disturbance rejection control(ADRC)is applied as speed *** proposed FCS-MPC strategy aims to reduce the electromagnetic torque ripple and the complexity and calculation of the *** with the FCS-MPC strategy based on PI controller,the constructed control strategy can guarantee the reliable and stable operation of PMSM system,and has good speed tracking,anti-interference ability and robustness.

关键词： extended state observer(ESO) auto disturbance rejection control(ADRC) finite control set-mode predictive control(FCS-MPC) permanent magnet synchronous motor(PMSM) arc-hyperbolic sine function

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An Improved Active Disturbance Rejection Controller for Hydraulic Valve-Controlled Hydraulic Motor

An Improved Active Disturbance Rejection Controller for Hydr...

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第三十九届中国控制会议

作者： Yifu Hu Donghui Li School of Electrical and Information Engineering Tianjin University

Hydraulic valve-controlled hydraulic motor is a commonly used power component. However, there is uncertain perturbation in hydraulic systems and active disturbance rejection control（ADRC） is able to estimate and compensate the disturbance in real-time, but the controller is not satisfying for the hydraulic system due to the buffeting of tracking process. In this paper, an improved ADRC controller is designed for the hydraulic valve-controlled hydraulic motor. The nonlinear function of the extended state observer（ESO） in the general ADRC controller is replaced by arc-hyperbolic sine function to alleviate the effect of buffeting. It can be seen that the improved controller is able to track the setting value without buffeting via simulation. Thus, the conclusion can be drawn that the improved ADRC controller is suitable for the hydraulic valve-controlled hydraulic motor in this paper since it can eliminate the buffeting and reduce the amount of tuning parameters as well.

关键词： Active disturbance rejection control hydraulic valve-controlled hydraulic motor arc-hyperbolic sine function

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