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16 May 2005 On the development of fuzzy skyhook control for semiactive magneto-rheological systems
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Abstract
Since the development of the vehicle suspension system, designers have been faced with the conflict of vehicle safety versus ride comfort. Originally, this trade-off was minimized by optimally adjusting a passive damper. In the recent years, the development of computer-controlled suspension dampers and actuators has improved the trade-off between the vehicle handling and ride comfort, and has led to the development of various damper control policies. In this study, the vehicle handling and ride comfort trade-off is studied for a vehicle suspensions with semiactive fuzzy control. The proposed semiactive fuzzy control is based on the control policies that are commonly known as "skyhook" and "groundhook". After describing the mathematical details of the proposed semiactive fuzzy control, it is applied to a roll-plane model of a heavy truck in order to compare its performance with conventional passive suspensions. The results of the study show that semiactive suspensions with fuzzy logic control could improve rollover characteristics during vehicle maneuvers. The results, however, show that for road inputs at the tire, the semiactive suspensions can cause larger body acceleration peaks and a harsher ride.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mehdi Ahmadian "On the development of fuzzy skyhook control for semiactive magneto-rheological systems", Proc. SPIE 5760, Smart Structures and Materials 2005: Damping and Isolation, (16 May 2005); https://doi.org/10.1117/12.600489
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