3-DOF outer rotor electromagnetic spherical actuator

被引：0
|
作者：
Nishiura Y. [1 ]
Hirata K. [1 ]
Sakaidani Y. [1 ]
机构：
[1] Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, 565-0871, Osaka
来源：
International Journal of Automation Technology | 2016年 / 10卷 / 04期
关键词：
3-DOF; Genetic algorithm; Optimization; Outer rotor; Spherical actuator;
D O I：
10.20965/ijat.2016.p0591
中图分类号：
学科分类号：
摘要：
Conventionally, many single-degree-of-freedom (single-DOF) actuators have been used to realize devices with multiple-degrees-of-freedom (multi-DOF). However, this makes their structures larger, heavier, and more complicated. In order to remove these drawbacks, the development of spherical actuators with multi-DOF is necessary. In this paper, we propose a new 3-DOF outer rotor electromagnetic spherical actuator with high torque density and wide rotation angles. The dynamic characteristics are computed employing 3-D FEM and its effectiveness is verified by carrying out measurements on a prototype. Then, in order to realize further high torque density, the electromagnetic pole arrangement is optimized using Genetic Algorithm (GA) and the effectiveness of the optimized stator poles arrangement is verified. © 2016, Fuji Technology Press. All rights reseved.
引用
收藏
页码：591 / 598
页数：7
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