Analysis of semiactive suspension systems using half-car model

Faris, Waleed Fekry and Ihsan, Sany Izan and Ahmadian, Mehdi (2008) Analysis of semiactive suspension systems using half-car model. In: FISITA 2008 World Automotive Congress, 14-19 September 2008, Munich, Germany. (Unpublished)

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Abstract

Several control policies of half-car 4-DOF semiactive system, namely skyhook, groundhook and hybrid controls are presented, as a continuation of the previous work on quarter-car 2-DOF model. Their ride comfort, suspension displacement and road-holding performances are analyzed and compared with passive system. The analysis covers both transient and steady state responses in time domain and transfer function in frequency domain. The results show that the hybrid control policy yields better comfort than a passive suspension, without reducing the road-holding quality or increasing the suspension displacement for typical passenger cars. The hybrid control policy is also shown to be a better compromise between comfort, road-holding and suspension displacement than the skyhook and groundhook control policies.

Item Type:	Conference or Workshop Item (Poster)
Uncontrolled Keywords:	Ride comfort, Half-car model, Semiactive system, Hybrid
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User:	Dr Sany I Ihsan
Date Deposited:	06 Feb 2012 16:31
Last Modified:	06 Feb 2012 16:31
URI:	http://irep.iium.edu.my/id/eprint/14702

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