观测器SPMSM无差拍预测速度控制器  

Observer Based Deadbeat Predictive Speed Controller for SPMSM

作　　者：鲁佳[1] 陈波[2] LU Jia;CHEN Bo(Pingdingshan Polytechnie,He'nan Pingdingshan 467000,China;Xinxiang University,He'nan Xinxiang 453000,China)

机构地区：[1]平顶山工业职业技术学院,河南平顶山467000 [2]新乡学院,河南新乡453000

出　　处：《机械设计与制造》2023年第5期161-169,共9页Machinery Design & Manufacture

基　　金：河南省高等职业学校青年骨干教师培养计划(2019GZGG106)。

摘　　要：为了提升控制的鲁棒性以及快速稳定时间,提出了一种基于观测器的无差拍预测速度控制器。所提出的无差拍速度控制律由一个无差拍稳定反馈控制项和一个补偿控制项组成,通过在较短的暂态时间内使动态误差矢量的所有极点向原点移动,保证了闭环系统的稳定性,通过求解最优控制问题,保证了控制系统的快速瞬态响应。后一项是基于预测的g轴电流补偿模型的非线性和参数不确定性,并提出了差拍负载转矩观测器提供精确估计的负载转矩,有助于获得较小的稳态误差、较低的总谐波失真,以及对参数变化的鲁棒性。最后仿真和实验结果证明了提出方法具有良好的控制效果。In order to improve the robustness and fast stabilization time,an observer based deadbeat predictive speed controller was proposed.The deadbeat speed control law was composed of a deadbeat stable feedback control term and a compensation control term.By moving all poles of the dynamic error vector to the origin in a short transient time,the stability of the closed-loop system was guaranteed.By solving the optimal control problem,the fast transient response of the control system was guaranteed.The latter was based on the nonlinearity and parameter uncertainty of the predicted g-axis current compensation model,and a beat load torque observer was put forward to provide accurate estimation of load torque,which helped to obtain smaller steady-state error,lower total harmonic distortion and robustness to parameter changes.Finally,the simulation and experimental results show that the proposed method has good control effect.

关 键 词：鲁棒性 负载转矩观测器 稳态误差 无差拍速度控制 

分 类 号：TH16[机械工程—机械制造及自动化] TH133.3[自动化与计算机技术—控制理论与控制工程] TP18[自动化与计算机技术—控制科学与工程]