Simulation and experimental evaluation on a skyhook policy-based fuzzy logic control for semi-active suspension system Online publication date: Tue, 30-Sep-2014
by Ubaidillah, Khisbullah Hudha, Hishamuddin Jamaluddin
International Journal of Structural Engineering (IJSTRUCTE), Vol. 2, No. 3, 2011
Abstract: This paper focuses on performance evaluation of several outer loop controller designs employed in a quarter car suspension featuring a magnetorheological fluid damper. A Magne-Ride damper was employed and its behaviour was investigated in the form of force-displacement and force-velocity characteristics. The non-linear hysteretic behaviour of the damper was modelled using a sixth order polynomial model. Force tracking control was performed to check the force tracking ability of the damper using a PI control. The governing equations of motions were formulated and integrated with skyhook control. Skyhook policy was then adapted in the development of a fuzzy logic control to enhance the ride performance. The performance of fuzzy logic control was compared with the on-off and continuous skyhook control in time domain. The results show that skyhook algorithm-based fuzzy logic control gives better performances than its counterparts.
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