Design and analysis of a rotor type magneto-rheological fluid brake and clutch

S. B. Kang; H. Jeong; K. Y. Shin; S. T. Kim; Y. J. Cho; K. T. Kang

doi:10.1117/12.648828

5 December 2005 Design and analysis of a rotor type magneto-rheological fluid brake and clutch

S. B. Kang, H. Jeong, K. Y. Shin, S. T. Kim, Y. J. Cho, K. T. Kang

Proceedings Volume 6048, Optomechatronic Actuators and Manipulation; 60480I (2005) https://doi.org/10.1117/12.648828
Event: Optomechatronic Technologies 2005, 2005, Sapporo, Japan

Abstract

This study focuses on the design and analysis of a Rotor type magneto-rheological fluid (MR Fluid) brake and clutch. The brake's braking torque and the clutch's torque output can be easily controlled by adjusting the MR fluid and the configuration of Rotor. Electromagnetic finite element analysis(FEA) is performed, using FEMLAB software of the COMSOL Group, to find out the optimization conditions for the design of the Rotor type MR Fluid clutch and brake. In this paper, the design method of the Rotor type MR Fluid brake and clutch is investigated theoretically. The equation of the torque transmitted by the MR fluid within the Rotor type brake and clutch is derived to provide the theoretical foundation in the rotor design of the brake and clutch. The output torque values are recorded for different input velocities and applied magnetic fields, and the experimental results are compared with the theoretical results. Theoretical and experimental analyses have illustrated that this Rotor type MR fluid brake and clutch can transfer high controllable torques with a very fast time response. It was demonstrated that the Rotor type MR fluid clutch and brake have a strong capability of transmitting and isolating the high torque.

Citation Download Citation

S. B. Kang, H. Jeong, K. Y. Shin, S. T. Kim, Y. J. Cho, and K. T. Kang "Design and analysis of a rotor type magneto-rheological fluid brake and clutch", Proc. SPIE 6048, Optomechatronic Actuators and Manipulation, 60480I (5 December 2005); https://doi.org/10.1117/12.648828

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KEYWORDS

Magnetism

Finite element methods

Electromagnetism

Microfluidics

Fluid dynamics

Velocity measurements

Digital signal processing

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