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Proceedings Paper

Study of a quarter model HMMWV suspension system using a magnetorheological fluid damper
Author(s): Eyup Sinan Karakas; Faramarz Gordaninejad; Cahit A. Evrensel; Moon-Su Yeo; Yanming Liu
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Paper Abstract

In this paper, a theoretical study is presented to compare the performance of a non-symmetric (i.e., different damping force characteristics in rebound and compression), fail-safe, magneto rheological fluid (MRF) damper with an Original Equipment Manufacturer (OEM) damper for off-highway, high mobility multi-purpose wheeled vehicle (HMMWV) using a quarter car model. In addition, an experimental set up for a full-scale two degree-of-freedom quarter car model suspension system of a HMMWV is constructed. Simple harmonic displacement input is used as the road profile. Sky-hook algorithm is utilized to control the MRF damper. Displacement and acceleration transmissibility to the sprung mass are determined to compare performances of controlled MRF and passive OEM dampers. The experimental results for OEM damper are also compared with theoretical predictions.

Paper Details

Date Published: 5 August 2003
PDF: 8 pages
Proc. SPIE 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems, (5 August 2003); doi: 10.1117/12.483487
Show Author Affiliations
Eyup Sinan Karakas, Univ. of Nevada, Reno (United States)
Faramarz Gordaninejad, Univ. of Nevada, Reno (United States)
Cahit A. Evrensel, Univ. of Nevada, Reno (United States)
Moon-Su Yeo, Inha Technical Junior College (South Korea)
Yanming Liu, Univ. of Nevada, Reno (United States)

Published in SPIE Proceedings Vol. 5056:
Smart Structures and Materials 2003: Smart Structures and Integrated Systems
Amr M. Baz, Editor(s)

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