Multi-Objective Optimization of an Asymmetric V-Shaped Interior Permanent Magnet Synchronous Motor
Liu Guohai1,2, Wang Yanyang1,2, Chen Qian1,2
1. School of Electrical and Information Engineering Jiangsu University Zhenjiang 212013 China; 2. Jiangsu Key Laboratory of Drive and Intelligent Control for Electric Vehicle Zhenjiang 212013 China
Abstract：In order to reduce the torque ripple of the interior permanent magnet synchronous motor (IPMSM), this paper proposes a five-phase, 40-slots and 8-poles asymmetric V-shape IPMSM. Taking low torque ripple and high torque output as the optimization goals, a multi-objective optimization method based on the combination of design parameter stratification and response surface method is introduced, which aims to accurately obtain the motor design parameters and improve the performance of the proposed asymmetric V-shape IPMSM. By analyzing the electromagnetic performances between initial and optimal motors, it is found that the torque ripple can be effectively reduced. Compared with the prototype of asymmetric and shifted rotor poles, asymmetric V-shape IPMSM based on the design of multi-objective optimization method can accommodate high torque density and low torque ripple.
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2018, Vol. 33 
