Citation

Mohd Yazid, Izyan Iryani and Mazlan, S. Amri and Imaduddin, Fitrian and Zamzuri, Hairi and Choi, Seung Bok and Kikuchi, T. (2016) An investigation on the mitigation of end-stop impacts in a magnetorheological damper operated by the mixed mode. Smart Materials and Structures, 25 (12). p. 125005. ISSN 0964-1726; eISSN: 1361-665X

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Abstract

This paper presents mitigation behaviour of magnetorheological (MR) damper operated with a mixed working modes. A combination of the shear and squeeze modes is employed in the structure of MR damper to obtain the field-dependent normal yield stress as well as strengthen the squeeze effect. The experimental evaluation shows that when the piston is squeezing the bottom gap from the stroke of 25 to 26 mm, the sudden increase of squeeze force is observed confirming the existence of the mitigation effect. It is also observed that the magnitude of mitigation force is positively correlated with the magnitude of current given to the electromagnet. The measured peak mitigation forces are ranged from 722 N to 1032 N when the electromagnet currents are varied from 0.2 A to 0.8 A, respectively. The variable mitigation effect indicates that the concept can be further discussed as a potential impact protection feature in an MR damper.

Item Type:	Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452-454.4 Electric apparatus and materials. Electric circuits. Electric networks
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	12 Dec 2017 12:54
Last Modified:	12 Dec 2017 12:54
URII:	http://shdl.mmu.edu.my/id/eprint/6607

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