Journal
IEEE ACCESS
Volume 7, Issue -, Pages 96070-96078Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2930301
Keywords
Hollowed multi-drum MR brake; hollow casing radius; finite element analysis; performance evaluation
Categories
Funding
- National Key Research and Development Program of China [2016YFB1001301]
- Natural Science Foundation of China [U1713210, 91648206]
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Based on the rheological effect of magnetorheological (MR) fluid, MR brake is a promising actuator due to its passiveness, high torque density, and low power consumption. This paper focuses on a unique hollowed multi-drum MR brake which has a hollow casing and several drum-like rotors and stators and evaluates the influence of the hollow casing radius on the performance of this brake. First, the brakes with different hollow casing radii were optimized via finite element analysis to obtain the optimal designs. Then, the torque, volume, mass, and power consumption including torque volume, torque mass, and torque power ratios were calculated to conduct the performance evaluation. According to the results, the suggestion on the hollow casing radius was given in the hollowed multi-drum brake design. To validate finite element analysis, the brake with 8-mm hollow casing radius was fabricated, assembled, and tested. The test results were generally consistent with the results of finite element analysis.
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