ZHANG Haiming1， WANG Yunkun2， MIAO Zhongcui2， WANG Zhihao2
（1. School of Mechanical and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070， China； 2. School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070， China）
Abstract： For the two-level five-phase permanent magnet synchronous motor (FP-PMSM) drive system, an improved finite-control-set model predictive torque control (MPTC) strategy is adopted to reduce torque ripple and improve the control performance of the system. The mathematical model of model reference adaptive system (MRAS) of FP-PMSM is derived and a method based on fractional order sliding mode (FOSM) is proposed to construct the model reference adaptive system (FOSM-MRAS） to improve the motor speed estimation accuracy and eliminate the sliding mode integral saturation effect. The simulation results show that the FP-PMSM speed sensorless FCS-MPTC system based on FOSM-MRAS has strong robustness, good dynamic performance and static performance, and high reliability.
Key words： model reference adaptive system (MRAS)； finite-control-set model predictive torque control (FCS-MPTC)； fractional order sliding mode (FOSM)； speed sensorless； five-phase permanent magnet synchronous motor (FP-PMSM)
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基于FOSM-MRAS五相永磁同步电机无速度传感器的FCS-MPTC
张海明1， 王运坤2， 缪仲翠2， 王志浩2
（1. 兰州交通大学 机电工程学院， 甘肃 兰州 730070； 2. 兰州交通大学 自动化与电气工程学院， 甘肃 兰州 730070）
摘要:针对五相两电平的五相永磁同步电机（Five-phase permanent magnet synchronous motor, FP-PMSM）驱动系统， 采用改进的有限集模型预测转矩控制（Finite-control-set model predictive torque control, FCS-MPTC）以达到减小转矩脉动提高系统控制性能的目的。 推导了FP-PMSM的（Model reference adaptive system, MRAS）数学模型， 并提出了基于分数阶滑模模型参考自适应(Fractional order sliding mode-model reference adaptive system, FOSM-MRAS）的速度观测器以提高电机速度估计精度并消除滑模积分饱和效应。 仿真结果表明， 采用基于FOSM-MRAS观测器的FP-PMSM无速度传感器MPTC控制系统具有较强的鲁棒性， 良好的动态性能和静态性能以及较高的可靠性。
关键词:模型参考自适应； 有限集模型预测转矩控制； 分数阶滑模； 无速度传感器； 五相永磁同步电机
引用格式：ZHANG Haiming， WANG Yunkun， MIAO Zhongcui, et al． Speed sensorless FCS-MPTC based on FOSM-MRAS five-phase permanent magnet synchronous motor． Journal of Measurement Science and Instrumentation， 2022， 13（3）： 309-319. DOI： 10．3969／j．issn．1674-8042．2022．03．007
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