Control of a quarter HMMWV suspension system using a magnetorheological fluid damper

E. Sinan Karakas; Faramarz Gordaninejad; Cahit A. Evrensel; Moon-So Yeo; Yanming Liu; Huesyin Sahin

doi:10.1117/12.540264

29 July 2004 Control of a quarter HMMWV suspension system using a magnetorheological fluid damper

E. Sinan Karakas, Faramarz Gordaninejad, Cahit A. Evrensel, Moon-So Yeo, Yanming Liu, Huesyin Sahin

Proceedings Volume 5386, Smart Structures and Materials 2004: Damping and Isolation; (2004) https://doi.org/10.1117/12.540264
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

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.

Citation Download Citation

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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