Hybrid multi-plate magnetorheological clutch featuring two operating modes: Fluid coupling and mechanical friction

Author:

Park Jin-Young1,Kim Gi-Woo2ORCID,Oh Jong-Seok3ORCID,Kim Young-Choon3ORCID

Affiliation:

1. Division of Mechanical Engineering, Kongju National University, Chungnam, Korea

2. Department of Mechanical Engineering, Inha University, Incheon, South Korea

3. Division of Mechanical and Automotive Engineering, Kongju National University, Chungnam, Korea

Abstract

Recently, there has been a rising demand for high-performance clutches in mechanical systems owing to the development of industrial technologies. This paper, therefore, proposes a hybrid multi-plate Magnetorheological (MR) clutch that has both fluid coupling and mechanical friction modes. To reduce impact when the plates are in contact with each other, a fluid coupler’s operating mode was used at the beginning of the clutch operation. For this, torque modeling in each mode was induced based on the Bingham model of the MRF. Using the induced torque modeling and ANSYS Maxwell’s magnetic field analysis results, the design procedure for a multi-plate clutch was implemented. Based on the design results, a hybrid multi-plate MR clutch was manufactured. Finally, the performance of the manufactured MR clutch was evaluated using a torque tester. The assessment confirmed that the proposed torque modeling and simulation results mostly matched the test results.

Funder

national research foundation of korea

kongju national university

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Materials Science

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