基于定子电流和扰动观测的永磁同步电机鲁棒无差拍预测电流控制

2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE) Pub Date : 2019-05-01 DOI:10.1109/PRECEDE.2019.8753357

M. Liu, Shuang Wang, Mengxue Zou

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引用次数: 6

摘要

提出了一种改进的鲁棒预测电流控制算法，对电流和扰动进行观测补偿。从理论上讲，具有鲁棒性的预测电流控制对永磁同步电机具有优良的控制性能。然而，实际系统中采样延迟离散和电磁参数时变等问题严重降低了基于模型的预测电流控制器的控制质量。设计了Luenberger状态观测器，用于观察和补偿定子电流误差和参数扰动，改进了传统的无差拍预测电流控制。仿真结果验证了该算法的有效性。

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Improved robust Deadbeat Predictive Current Control for PMSM Using Stator Current and Disturbance Observation

An improved robust predictive current control algorithm with observation compensation of current and disturbance is proposed in this paper. Theoretically, the predictive current control with robustness for permanent magnet synchronous motor (PMSM) possesses excellent control performance. However, the problems of discrete sampling delay and time-varying electromagnetic parameters in practical systems seriously degrade the control quality of model-based predictive current controller. A Luenberger state observer is designed to observe and compensate the stator current error and parameter disturbances, and improve the conventional deadbeat predictive current control. The effectiveness of the proposed algorithm has been verified by the simulation result.

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2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE)

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