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2011•Vehicle & Power TechnologyRequires access

Simulation of Automobile Ride Comfort with Air Suspension

Dai Li-wei

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Abstract

Based on a vehicle model and a road model,the feasibility of air spring substituting for coil spring in a MacPherson suspension was analyzed and the optimal matching characteristic for its damper in an Electronic-Controlled Air Suspension(ECAS) was studied.The results show that air suspension has a good performance in ride comfort by using a lower-cost shock absorber.The adjusted damper characteristic of the ECAS provides a theoretical basis for the further control strategy of the air suspension.

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What this paper is about

Based on a vehicle model and a road model,the feasibility of air spring substituting for coil spring in a MacPherson suspension was analyzed and the optimal matching characteristic for its damper in an Electronic-Controlled Air Suspension(ECAS) was studied.The results show that air suspension has a good performance in ride comfort by using a lower-cost shock absorber.The adjusted damper characteristic of the ECAS provides a theoretical basis for the further control strategy of the air suspension.

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Available abstract

Based on a vehicle model and a road model,the feasibility of air spring substituting for coil spring in a MacPherson suspension was analyzed and the optimal matching characteristic for its damper in an Electronic-Controlled Air Suspension(ECAS) was studied.The results show that air suspension has a good performance in ride comfort by using a lower-cost shock absorber.The adjusted damper characteristic of the ECAS provides a theoretical basis for the further control strategy of the air suspension.

Key concepts: Damper, Air suspension, Suspension (topology), Shock absorber, Automotive engineering, Engineering, Coil spring, Structural engineering

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