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TECHNICAL PAPERS

A Semi-Active, High-Torque, Magnetorheological Fluid Limited Slip Differential Clutch

[+] Author and Article Information
Barkan Kavlicoglu, Cahit Evrensel

Mechanical Engineering Department, University of Nevada, Reno, NV 89557

Faramarz Gordaninejad1

Mechanical Engineering Department, University of Nevada, Reno, NV 89557faramarz@unr.edu

Alan Fuchs

Chemical and Metallurgical Engineering Department, University of Nevada, Reno, NV 89557

George Korol

 Visteon Corporation, 17000 Rotunda Drive, Dearborn, MI 48126

1

Corresponding author.

J. Vib. Acoust 128(5), 604-610 (Mar 23, 2006) (7 pages) doi:10.1115/1.2203308 History: Received January 25, 2006; Revised March 23, 2006

The design, development, and performance characterization of a magnetorheological (MR) fluid clutch for automotive limited slip differential (LSD) applications is presented in this study. The controllability of MR fluids provides an adjustable torque transmission and slippage for the LSD application. Three-dimensional electromagnetic finite element analysis (FEA) is performed to optimize the magnetic circuit and clutch design. Based on the results obtained from the FEA, the theoretical torque transfer capacity of the clutch is predicted utilizing Bingham-Plastic constitutive model. The clutch is characterized at different velocities and electromagnet electric input currents. Both the torque transfer capacity and the response time of the clutch were examined. It was demonstrated that the proposed MR fluid LSD clutch is capable of transferring controllable high torques with a fast response time.

FIGURES IN THIS ARTICLE
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Copyright © 2006 by American Society of Mechanical Engineers
Topics: Torque , Fluids , Design
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References

Figures

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Figure 6

Experimental static torque values for LORD MRF-132LD for different velocities

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Figure 7

Theoretical and experimental static torque values using LORD MRF-132LD

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Figure 1

Cross-sectional view of multiplate MR fluid LSD clutch

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Figure 2

Cutview of the 3D FEA model developed by using Maxwell ANSOFT

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Figure 3

3D contour plot of flux line density across one of the MR fluid gaps from Maxwell ANSOFT for multiplate MR fluid LSD clutch

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Figure 4

2D Contour plot of flux line density across the clutch pack from Maxwell ANSOFT for multiplate MR fluid LSD clutch

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Figure 5

Experimental setup for static output torque measurement for multiplate MR fluid LSD clutch

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Figure 8

Theoretical static torque values up to 6A input current

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Figure 9

Static torque response of the multiplate MR fluid LSD clutch

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