Abstract
This paper describes the development of activesuspension system of light passenger vehicle to improveride comfort of the passengers using PID (Proportional –Integral - Derivative) controller. The system is subjected tobumpy road and its performance is assessed and comparedwith a passive suspension system. Tuning of the controllerparameters is also illustrated. Experimental verification ofanalytical results is carried out. It is found that ride comfortis improved by 78.03%, suspension travel has been reducedby 71.05% and road holding ability is improved by60% with active suspension system when compared withpassive suspension system. Therefore it is concluded thatactive suspension system with PID controller is superior topassive suspension system.
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