Abstract
This paper deals with active pneumatic suspension with control strategy based on mass flow control for a commercially manufactured small car. Two different control strategies based on mass flow control are presented. In the first model mass flow rate to the air spring is a function of difference in the velocities of the base and in second model mass flow rate is a sinusoidal function of frequency of excitation from the base. The models are simulated using MATLAB software corresponding to identical suspension parameters. The results of simulation for both models are compared. It is concluded that the active suspension using velocity feedback as the control strategy has lower transmissibility and hence better performance at resonance compared to passive suspension.
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