Performance improvement of IPMSM using finite predictive current control for EV

2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC) Pub Date : 2015-12-21 DOI:10.1109/IFEEC.2015.7361488

Il-Kuen Won, Jun-Ha Hwang, Do-Yun Kim, Young-Hee Jang, C. Won

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引用次数: 10

Abstract

PMSM (Permanent Magnet Synchronous Motor) is mainly used in electric vehicle because of its high efficiency. Among them, IPMSM (Interior Permanent Magnet Synchronous Motor) has more wide speed range in flux-weakening region than that of SPMSM (Surface Mounted Permanent Magnet Synchronous Motor) because of torque efficiency per unit volume and wide torque out range of IPMSM. Therefore, IPMSM is the most commonly used in the automotive industry as a motor for EV driving. In electric vehicle, the torque output is determined variably and instantly corresponding to the operation of the accelerator and the brake of driver. So, the torque transient periods whose torque reference is variable are generated very frequently in accordance with a variable speed. Therefore, in this paper, improving method of torque response in a transient period for electric vehicle is explained. The current reference of IPMSM is output using 2D-LUT. Also, in order to complement the disadvantages of PI controller of conventional field oriented control, the predictive current control is used, improving torque response at torque transient period.

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基于有限预测电流控制的电动汽车IPMSM性能改进

永磁同步电动机(Permanent Magnet Synchronous Motor，简称PMSM)因其高效率而主要应用于电动汽车。其中，IPMSM(内嵌式永磁同步电机)由于单位体积转矩效率高，转矩偏离范围大，在磁链弱化区转速范围比表面贴装式永磁同步电机大。因此，IPMSM是汽车工业中最常用的电动汽车驱动电机。在电动汽车中，扭矩输出是随驾驶员的油门和刹车动作而瞬间变化的。因此，其转矩参考是可变的转矩瞬态周期是非常频繁地根据变速产生的。为此，本文阐述了改进电动汽车暂态转矩响应的方法。IPMSM的当前参考是使用2D-LUT输出的。此外，为了弥补传统磁场定向控制中PI控制器的不足，采用了预测电流控制，提高了转矩暂态响应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC)

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