An improved equivalent-input-disturbance approach for PMSM drive with demagnetization fault

Huang, Gang; Li, Jiajun; Fukushima, Edwardo F.; Zhang, Changfan; He, Jing; Zhao, Kaihui

doi:10.1016/j.isatra.2020.06.010

Cited by 24 publications

(7 citation statements)

References 26 publications

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“…For linear time disguise problems, the Kharitonov and H∞ are used; however, there is lack of theoretical evidence. On a theoretical basis, the Lyapunov method is applicable to self-sufficient nonlinear systems [45]. To efficiently suppress the disturbance of system mismatch, the robust H∞-SMC controller, based on LMI, is proposed in [40,46].…”

Section: H∞ Robust Controlmentioning

confidence: 99%

Critical Review on Robust Speed Control Techniques for Permanent Magnet Synchronous Motor (PMSM) Speed Regulation

2022

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The permanent magnet synchronous motor (PMSM) is a highly efficient energy saving machine. Due to its simple structural characteristics, good heat radiation capability, and high efficiency, PMSMs are gradually replacing AC induction motors in many industrial applications. The PMSM has a nonlinear system and lies on parameters that differ over time with complex high-class dynamics. To achieve the excessive performance operation of a PMSM, it essentially needs a speed controller for providing accurate speed tracking, slight overshoot, and robust disturbance repulsion. Therefore, this article provides an overview of different robust control techniques for PMSMs and reviews the implementation of a speed controller. In view of the uncertainty factors, such as parameter perturbation and load disturbance, the H∞ robust control strategy is mainly reviewed based on the traditional control techniques, i.e., robust H∞ sliding mode controller (SMC), and H∞ robust current controller based on Hamilton–Jacobi Inequality (HJI) theory. Based on comparative analysis, this review simplifies the development trend of different control technologies used for a PMSM speed regulation system.

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Section: H∞ Robust Controlmentioning

confidence: 99%

Critical Review on Robust Speed Control Techniques for Permanent Magnet Synchronous Motor (PMSM) Speed Regulation

2022

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“…An SMO is introduced to design the observer to improve the estimation accuracy. 38,39 However, there is a serious chattering phenomenon. In order to further improve the estimation accuracy and eliminate the chattering phenomenon, a non-singular fast terminal SMO (NFTSMO) is introduced to replace the existing SMO in EID system.…”

Section: Disturbance Compensation Based On Eidmentioning

confidence: 99%

“…It has been widely used in various control systems such as linear systems, 32 nonlinear systems, 33 time-delay systems, 34 repetitive control systems, 35 fractional order systems. 36 Huang et al 37,38 extended its application to fault-tolerant control systems. A sliding-mode observer (SMO) is introduced to replace a Luenberger observer (LO) used in conventional EID system, 38,39 which achieves faster and more accurate estimation of state variables and EID.…”

Section: Introductionmentioning

confidence: 99%

“…36 Huang et al 37,38 extended its application to fault-tolerant control systems. A sliding-mode observer (SMO) is introduced to replace a Luenberger observer (LO) used in conventional EID system, 38,39 which achieves faster and more accurate estimation of state variables and EID. The strong robustness of the SMO is achieved by the large switching control gain of the sliding-mode function, which leads to a chattering problem.…”

Section: Introductionmentioning

confidence: 99%

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Generalized predictive speed control based on equivalent-input-disturbance for PMSM drive system

Huang

et al. 2022

Advances in Mechanical Engineering

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The speed control performance of permanent magnet synchronous motor (PMSM) drive system is degraded due to non-matching disturbances such as parameter perturbation and load torque mutation. This paper presents a nonlinear generalized predictive control method based on equivalent-input-disturbance (GPC-based-EID) to realize the fast response and strong robustness of the speed controller of the PMSM drive system. Firstly, the continuous time nonlinear system of a motor mechanical equation is established. A speed controller based on the generalized predictive theory rather than the PI controller of a traditional vector control is designed. Then, the drive system with disturbance is transformed into an EID system. An improved nonsingular fast terminal sliding-mode observer (NFTSMO) is introduced to accurately estimate the EID of total system non-matching disturbances. And the active compensation of non-matching disturbances is realized through feedforward method. This greatly enhances the robustness and the speed tracking performance of the drive system. Comparisons with PI control, traditional GPC and GPC-based-ESO methods show the effectiveness of the method.

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“…To avoid the occurrence of demagnetization faults, some scholars optimized the motor structure [8][9][10][11][12]. However, the cost of changing the motor structure is too high, so online detection [13][14][15] and fault-tolerant control [16,17] are more promising research directions. In [7], the scholars proposed a new criterion based on motor power angle and synchronous electromotive force for demagnetization fault.…”

Section: Introductionmentioning

confidence: 99%

A Fault-Tolerant Control Strategy for D-PMSG Wind Power Generation System

Luo¹,

Peng²,

Zhang³

et al. 2022

PIER C

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Aiming at the problem of motor speed decrease in direct-drive permanent magnet synchronous generator (D-PMSG) wind power generation system after permanent magnet (PM) demagnetization faults, a demagnetization fault-tolerant control strategy in D-PMSG wind power generation system is proposed. Firstly, the D-PMSG mathematical model is described in normal and demagnetization. Secondly, an extended Kalman filter (EKF) observer is designed to observe the PM flux online. Then, flux linkage parameters are introduced into the two-vector model predictive faulttolerant control so that the increase of stator current is controlled within the limit range. Meanwhile, the motor speed can follow the change of the given speed. In addition, the improved Luenberger mechanical torque observer is designed in the speed outer ring to deal with the vibration caused by unstable wind speed. Finally, compared with the dual-closed-loop Proportional Integral (PI) control, the experimental results show that the demagnetization fault-tolerant control strategy has smaller speed overshoot and smaller speed fluctuation when the mechanical torque changes. The method can maintain the speed balance when the PM demagnetization faults occur and have stronger fault tolerance and antiinterference ability.

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An improved equivalent-input-disturbance approach for PMSM drive with demagnetization fault

Cited by 24 publications

References 26 publications

Critical Review on Robust Speed Control Techniques for Permanent Magnet Synchronous Motor (PMSM) Speed Regulation

Critical Review on Robust Speed Control Techniques for Permanent Magnet Synchronous Motor (PMSM) Speed Regulation

Generalized predictive speed control based on equivalent-input-disturbance for PMSM drive system

A Fault-Tolerant Control Strategy for D-PMSG Wind Power Generation System

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