Abstract
Two cars respectively with MacPherson independent suspension and double cross arm independent suspension as front suspension whose car ride comfort are used as the research object. The vehicle simulation models including front and rear suspensions, tires, steering, body and other subsystems were built up by the ADAMS software. Random input B grade road is generated through Sayers digital model. Random input road car ride comfort simulation is carried out according to national standards. The comparative evaluation of two cars’ ride comfort is realized by calculating the total weighted acceleration root mean square value. The results show that the car with double cross arm front suspension has better ride comfort, and it provides a certain basis for the design of car suspension system and improvement design of vehicle ride comfort.
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