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Proceedings Paper

Design of MR brake featuring tapered inner magnetic core
Author(s): Jung Woo Sohn; Jong-Soek Oh; Seung-Bok Choi
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Paper Abstract

In this work, a new type of MR brake featuring tapered inner magnetic core is proposed and its braking performance is numerically evaluated. In order to achieve high braking torque with restricted size and weight of MR brake system, tapered inner magnetic core is designed and expands the area that the magnetic flux is passing by MR fluid-filled gap. The mathematical braking torque model of the proposed MR brake is derived based on the field-dependent Bingham rheological model of MR fluid. Finite element analysis is carried out to identify electromagnetic characteristics of the conventional and the proposed MR brake configuration. To demonstrate the superiority of the proposed MR brake, the braking torque of the proposed MR brake is numerically evaluated and compared with that of conventional MR brake model.

Paper Details

Date Published: 2 April 2015
PDF: 6 pages
Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 943133 (2 April 2015); doi: 10.1117/12.2084137
Show Author Affiliations
Jung Woo Sohn, Kumoh National Institute of Technology (Korea, Republic of)
Jong-Soek Oh, Inha Univ. (Korea, Republic of)
Seung-Bok Choi, Inha Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9431:
Active and Passive Smart Structures and Integrated Systems 2015
Wei-Hsin Liao, Editor(s)

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