Drive Current Calculation and Analysis of Permanent Magnet Spherical Motor Based on Torque Analytical Model and Particle Swarm Optimization

被引：12

作者：

Zhou, Rui ^{[1
]}

Li, Guoli ^{[2
]}

Wang, Qunjing ^{[3
]}

He, Jingxiong ^{[1
]}

Wang, Tingting ^{[1
]}

机构：

[1] Anhui Univ, Sch Elect Engn & Automat, Hefei 230601, Peoples R China

[2] Anhui Univ, Natl Engn Lab Energy Saving Motor & Control Techn, Hefei 230601, Peoples R China

[3] Anhui Univ, Collaborat Innovat Ctr Ind Energy Saving & Power, Hefei 230601, Peoples R China

来源：

IEEE ACCESS | 2020年 / 8卷

关键词：

Permanent magnet spherical motor; analytical model; electromagnetic torque; drive current; particle swarm optimization; FIELD;

D O I：

10.1109/ACCESS.2020.2981498

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In order to determine the currents required in different attitudes and torque target conditions, this paper proposes a calculation method for drive currents of permanent magnet spherical motors based on three-dimensional magnetic field, torque analytical model and optimization algorithm. Firstly, an electromagnetic torque analytical model base on equivalent surface currents of a permanent magnet and Lorentz force is proposed. The feasibility and accuracy are verified by comparing results with those by the finite element method. Then, an inverse calculation model of the motor drive current is built by combining the torque analytical model with the Particle Swarm Optimization (PSO) algorithm. At last, using the proposed drive current calculation model, the driving current characteristics of spherical motors under different energization strategies are compared and analyzed.

引用

页码：54722 / 54729

页数：8

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