数字农科院2.0

Design And Vibration Optimization Of Direct Current Motor Of Permanent Magnet Of Rectangular Magnetic Steel

文献类型： 外文期刊

作者： Hu, K; Zhang, GM

作者机构：

关键词： Co-Simulation; Cogging Torque; Pmdcm; Response Surface Method; Vibration Optimization

期刊名称： IEEE ACCESS

ISSN： 2169-3536

年卷期： 2020 年 8 卷

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： Direct current motor of permanent magnet (PMDCM) is widely used at present. To optimize its operating performance and vibration characteristics, a new PMDCM of rectangular magnetic steel was developed. The co-simulation was conducted based on RMxprt and MAXWELL. The simulation results verify that the output power and torque meet the design requirements. Then the cogging torque of the designed motor was analyzed and optimized by using response surface method. The influence degree of each factor on cogging torque was analyzed. When factor A, the factor B, and factor C are 33.51mm, 2.42mm, and 1.50mm, the root-mean-square (RMS) value and the maximum value of the cogging torque are smallest. The fitting accuracy of the two regression equations of RMS and maximum cogging torque is 94.30% and 97.26%. To further verify the correctness of analysis results, the optimized motor and reference motor were manufactured and the vibration velocity data at different positions were measured. The measured data shows that the maximum and average data of vibration velocity at measuring point 1 are decreased by 18.99% and 19.03% and the maximum and average vibration velocity at measuring point 2 are decreased by 9.73% and 4.70%. The method of vibration reduction is effective. The proposed optimization scheme and method may be extended to other motor for reducing vibration.

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