Experiment study of large-scale magnetorheological fluid damper

Xinchun Guan; Jinhai Li; Jinping Ou

doi:10.1117/12.626444

6 March 2005 Experiment study of large-scale magnetorheological fluid damper

Xinchun Guan, Jinhai Li, Jinping Ou

Proceedings Volume 5760, Smart Structures and Materials 2005: Damping and Isolation; (2005) https://doi.org/10.1117/12.626444
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2005, San Diego, California, United States

Abstract

Due to their character of low power requirement, rapid-response and large force, the dampers that made based on the special rheologic performance of magnetorheological fluid (MRF) have shown to be one kind of ideal semi-active vibration control devices for civil engineering structures and vehicles. In this paper, the character of magnetic circuit of MRF damper was firstly studied; based on above results, a large-scale MRF damper whose adjustable multiple is about 16 and maximum damping force is about 170kN was then designed and tested. Experimental results show that, under lower electrical current, same or opposite of electric current direction of multi-coils winding on the piston do not influence damping performance of MRF damper; however, under higher electrical current, inverse connecting of adjacent coils is apt to improve damping force of MRF damper.

Citation Download Citation

Xinchun Guan, Jinhai Li, and Jinping Ou "Experiment study of large-scale magnetorheological fluid damper", Proc. SPIE 5760, Smart Structures and Materials 2005: Damping and Isolation, (6 March 2005); https://doi.org/10.1117/12.626444

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