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针对传统永磁同步电机 电流预测控制中电机参数扰动偏差造成的输出电流静差及振荡问题 提出基于扩张状态观测器的新型 电流预测控制算法 分析电机参数扰动偏差对 电流预测控制系统的影响构建相应的扩张状态观测器来观测参数偏差造成的系统扰动 为传统预测控制算法提供实时性扰动补偿 并通过极点配置验证新型算法的稳定性 仿真结果表明 新型算法能够快速无静差地观测系统扰动 有效避免电感参数扰动偏差对电流预测系统的影响
Aiming at the problem of output current static deviation and oscillation caused by disturbances of motor parameters in current predictive control of traditional permanent magnet synchronous motor, a new current predictive control algorithm based on extended state observer is proposed to analyze the influence of disturbances of motor parameters on current predictive control system. Expanded state observer to observe system disturbance caused by parameter deviation Real-time disturbance compensation for traditional predictive control algorithm and the stability of the new algorithm verified by pole configuration Simulation results show that the new algorithm can quickly and without error observing system disturbance Effectively avoid inductances Influence of Parameter Disturbance Deviation on Current Prediction System