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29 July 2004 Control of a quarter HMMWV suspension system using a magnetorheological fluid damper
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Abstract
The focus of this study is to experimentally investigate and compare the performance of a non-symmetric (different force characteristics in rebound and compression), fail-safe, magneto rheological fluid (MRF) damper to an OEM (Original Equipment Manufacturer) damper for off-highway, high mobility multi-purpose wheeled vehicle (HMMWV), by using a quarter car model. A full-scale two-degree-of-freedom quarter car experimental set up is constructed to study the HMMWV suspension in order to study the performance of both dampers. Simple harmonic input excitations and random road excitations are subjected to quarter-car-model configured with the OEM damper and then with the MRF damper. Skyhook control algorithms are utilized to control the MRF damper. The experimental results include the displacement and acceleration transmissibility of the sprung mass under the simple harmonic motion for OEM and MRF dampers. The displacement and acceleration power spectral density (PSD) and root mean square (RMS) of the sprung mass are investigated for both damper systems under random excitation.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
E. Sinan Karakas, Faramarz Gordaninejad, Cahit A. Evrensel, Moon-So Yeo, Yanming Liu, and Huesyin Sahin "Control of a quarter HMMWV suspension system using a magnetorheological fluid damper", Proc. SPIE 5386, Smart Structures and Materials 2004: Damping and Isolation, (29 July 2004); https://doi.org/10.1117/12.540264
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