To allow wheeled military vehicles to travel at higher speeds on off highway roads, the primary suspension system needs to be semi-active or fully active. To develop a semi-active or a fully active suspension system for wheeled military vehicles, instead of the actual vehicle, a simpler and a better controlled system, meaning a quarter car test rig was used. The quarter car test rig consists of a tire, a spring, a Magneto-Rheological fluid (MR-fluid) damper, a double wishbone suspension system, and a mass representing a quarter car chassis. This paper documents the quarter car test rig design, its mathematical model, its MATLAB simulation results, and experimental test results collected on the actual test rig with the damper in the OFF state versus the semi-active state. The Ground-hook semi-active control policy was used to control the MR-fluid damper. This control policy significantly reduces the motion of the tire at its natural frequency.
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ASME 2005 International Mechanical Engineering Congress and Exposition
November 5–11, 2005
Orlando, Florida, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
0-7918-4216-9
PROCEEDINGS PAPER
Advanced Suspension Systems for Wheeled Military Vehicles
Nader Vahdati,
Nader Vahdati
Nanyang Technological University
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Yap Fook Fah,
Yap Fook Fah
Nanyang Technological University
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Koh Yong Khiang,
Koh Yong Khiang
Singapore Technologies Kinetics, Ltd.
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Kiew Woon Hwee
Kiew Woon Hwee
Singapore Technologies Kinetics, Ltd.
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Nader Vahdati
Nanyang Technological University
Yap Fook Fah
Nanyang Technological University
Koh Yong Khiang
Singapore Technologies Kinetics, Ltd.
Kiew Woon Hwee
Singapore Technologies Kinetics, Ltd.
Paper No:
IMECE2005-82239, pp. 593-600; 8 pages
Published Online:
February 5, 2008
Citation
Vahdati, N, Fah, YF, Khiang, KY, & Hwee, KW. "Advanced Suspension Systems for Wheeled Military Vehicles." Proceedings of the ASME 2005 International Mechanical Engineering Congress and Exposition. Dynamic Systems and Control, Parts A and B. Orlando, Florida, USA. November 5–11, 2005. pp. 593-600. ASME. https://doi.org/10.1115/IMECE2005-82239
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