Structural optimization of clutch activated by magnetorheological fluid

Yanju Liu; Weijia Meng; Zhanwen Huang; Yi Sun

doi:10.1117/12.715458

27 April 2007 Structural optimization of clutch activated by magnetorheological fluid

Yanju Liu, Weijia Meng, Zhanwen Huang, Yi Sun

Proceedings Volume 6525, Active and Passive Smart Structures and Integrated Systems 2007; 65250F (2007) https://doi.org/10.1117/12.715458
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States

Abstract

Magnetorheological (MR) fluids are suspensions of micron sized ferromagnetic particles dispersed in varying proportions of a variety of non-ferromagnetic fluids. MR fluids exhibit rapid, reversible and significant changes in their rheological (mechanical) properties while subjected to an external magnetic field. In this paper, a double-plate magneto-rheological fluid (MRF) clutch with controllable torque output have been designed. Electromagnetic finite element analysis is used to optimize the design of the clutch. The geometric constraints and the magnetic properties of materials are controlling parameters in the optimization process which is used to determine the design parameters of the MRF clutch in order to let the magnetic field in the MRF domain is as higher as possible. Meanwhile, the theoretical torque output has also been calculated for a given input electric current by using the Bingham plastic constitutive model.

Citation Download Citation

Yanju Liu, Weijia Meng, Zhanwen Huang, and Yi Sun "Structural optimization of clutch activated by magnetorheological fluid", Proc. SPIE 6525, Active and Passive Smart Structures and Integrated Systems 2007, 65250F (27 April 2007); https://doi.org/10.1117/12.715458

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