An Optimized Magnet Circuit Design to Reduce Power Consumption for Torsional Electromagnetic Actuators

IF 1.1 4区物理与天体物理 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Magnetics Letters Pub Date : 2022-06-16 DOI:10.1109/LMAG.2022.3183493

Xian Shi;Guifu Ding

引用次数: 0

Abstract

A torsional electromagnetic actuator that is actuated by the torque applied to a planar coil in an external magnetic field is designed, modeled, and analyzed in this letter. The analytical model of the magnetic torque is established. A magnet combination consisting of a rectangular magnet and a square-ring magnet magnetized in opposite directions is developed. A novel magnetic circuit is designed and analyzed to increase the driving torque. The electromagnetic and mechanical responses of the device are characterized by finite element simulation. In the case study, the power consumption of the actuator is significantly reduced by 54.3%, and down to 3.05 mW at the mechanical torsion angle of 11°. The effect of air gap on power consumption is also studied quantitatively.

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降低扭转电磁执行器功耗的优化磁路设计

本文设计、建模和分析了一种扭转电磁致动器，该致动器由施加在外磁场中的平面线圈上的扭矩驱动。建立了磁转矩的分析模型。开发了一种由矩形磁体和方环磁体组成的磁体组合，该磁体在相反方向上磁化。为了提高驱动转矩，设计并分析了一种新型磁路。通过有限元模拟对该装置的电磁和机械响应进行了表征。在案例研究中，致动器的功耗显著降低了54.3%，在机械扭转角为11°时，功耗降至3.05 mW。定量研究了气隙对功耗的影响。

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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来源期刊

IEEE Magnetics Letters PHYSICS, APPLIED-

CiteScore

2.40

自引率

0.00%

发文量

期刊介绍： IEEE Magnetics Letters is a peer-reviewed, archival journal covering the physics and engineering of magnetism, magnetic materials, applied magnetics, design and application of magnetic devices, bio-magnetics, magneto-electronics, and spin electronics. IEEE Magnetics Letters publishes short, scholarly articles of substantial current interest. IEEE Magnetics Letters is a hybrid Open Access (OA) journal. For a fee, authors have the option making their articles freely available to all, including non-subscribers. OA articles are identified as Open Access.