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Fault-tolerant model predictive control of six-phase permanent magnet synchronous hub motors
International Journal of Applied Electromagnetics and Mechanics ( IF 1.1 ) Pub Date : 2021-07-15 , DOI: 10.3233/jae-210033
Xiaodong Sun 1, 2 , Feng Cai 2 , Xiang Tian 2 , Minkai Wu 2
Affiliation  

Permanent magnet synchronous hub motors (PMSHMs) have been gradually introduced into the applications of electric vehicles. On this basis, the six-phase motor has the characteristics of high reliability, high power density and low torque ripple. And its fault tolerance is a large advantage comparedwith the three-phase motor. The multi-phase permanent magnet synchronous motor is redundant due to the number of phases. When the motor fails, it does not have to stop running, merely adjust its control mode and enter the fault-tolerant compensation control algorithm to resume the operation of the system. The FCS-MPC algorithm can replace the cascade structure in the traditional control and eliminate the modulation module. This makes it have good steady-state performance. The speed response is also improved. It can be combined with multiple control objectives with strong flexibility by simply changing the objective function. The prediction model is compensated. Finally, the experimental results show the effectiveness of this method.

中文翻译:

六相永磁同步轮毂电机容错模型预测控制

永磁同步轮毂电机(PMSMs)已逐渐引入电动汽车的应用中。在此基础上,六相电机具有高可靠性、高功率密度和低转矩脉动的特点。并且它的容错性是三相电机相比的一大优势。多相永磁同步电机由于相数多而冗余。当电机出现故障时,不必停止运行,只需调整其控制方式,进入容错补偿控制算法,即可恢复系统运行。FCS-MPC算法可以代替传统控制中的级联结构,省去调制模块。这使其具有良好的稳态性能。速度响应也得到改善。它可以通过简单地改变目标函数来与多个控制目标组合,具有很强的灵活性。预测模型得到补偿。最后,实验结果证明了该方法的有效性。
更新日期:2021-07-28
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