Braking performance and temperature characteristics analysis of parallel multi-channel magnetorheological brake

IF 1.1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-08-01 DOI:10.3233/jae-220260

Guoliang Hu, Xiao Yang, Lifan Wu, Wencai Zhu, Gang Li

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Abstract

In order to improve the braking performance of magnetorheological (MR) brake, a new MR brake with parallel multi-channel structure was developed in this paper. The three layers of axial damping gaps in the MR brake were utilized by using of the magnetic conductivity of the material, and the double excitation coils was also adopted to effectively improve the braking performance. The braking torque and temperature characteristics were analyzed theoretically, and the electromagnetic field and temperature field were simulated and verified. Braking performance and temperature characteristics of the parallel multi-channel MR brake were tested, and the torque, braking time and temperature characteristics of the MR brake were obtained. The test results show that under the condition of constant rotational speed of 700 r/min and applied current of 2 A, the maximum torque can reach 26.25 N⋅m, and the temperature rises from 18.3 °C to 58.01 °C within 20 s. Meanwhile, the braking time is about 1.63 s.

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并联多通道磁流变制动器制动性能及温度特性分析

为了提高磁流变制动器的制动性能，研制了一种并联多通道结构的磁流变制动器。利用材料的导电性，利用磁流变制动器的三层轴向阻尼间隙，并采用双励磁线圈，有效地提高了制动性能。对制动力矩和温度特性进行了理论分析，并对电磁场和温度场进行了仿真验证。对并联多通道磁流变制动器的制动性能和温度特性进行了测试，得到了磁流变制动器的转矩、制动时间和温度特性。试验结果表明，在恒定转速为700 r/min，外加电流为2a的条件下，最大转矩可达26.25 N·m，温度在20 s内由18.3℃上升至58.01℃。同时，制动时间约为1.63 s。

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来源期刊

International Journal of Applied Electromagnetics and Mechanics 物理-工程：电子与电气

CiteScore

1.70

自引率

0.00%

发文量

100

审稿时长

4.6 months

期刊介绍： The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.