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A High Torque Magnetorheological Brake with Three Effective Areas

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Abstract:

A new structure magnetorheological brake with three effective areas was designed, two end surfaces and the cylindrical surface of the rotor work as effective areas, then the effective area was increased with the same volume of the rotor. Depending on the characteristics of the magnetorheological brake structure, the finite element model of the magnetorheological brake was built, the electromagnetic field analysis was performed, then magnetic field quantities of the brake model were got. With the results of the magnetic analysis and the relation between the yield stress and the magnetic field strength of the magnetorheological fluid, the performance simulation of the magnetorheological brake was realized. On these bases, the magnetorheological brake and the mechanical performance test system were developed, the mechanical performance of the brake was researched used the test system, the brake’s properties: torque vs. speed and yield torque vs. current were obtained.

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Info:

Periodical:

Applied Mechanics and Materials (Volume 742)

Pages:

470-476

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.742.470

Citation:

Cite this paper

Online since:

March 2015

Authors:

Juan Wang*, Jun Qiang Li, Zhi Wei Gao

Keywords:

Experiment, Finite Element Method, Magnetorheological Brake, Performance Analysis

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* - Corresponding Author

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DOI: 10.1177/1045389x10362274

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