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Review of Suspension Control and Simulation of Passive, Semi-Active and Active Suspension Systems Using Quarter Vehicle Model
Get PDFThis paper reviewed vehicle suspension control and also simulated passive, semi-active and active suspension system using quarter vehicle model with the help of Matlab software. The suspension system of a vehicle is meant to isolate the occupants of the vehicle from the disturbances occasioned by irregular road surface to improve ride quality. The main essence of this work is to review and assess the effectiveness of the vehicle suspension system by comparing the ride quality of passive, semi active and active suspension systems based on the set parameters. These parameters are: the unsprang mass displacement, sprung mass displacement and the suspension deflection. When the unsprung mass displacement and the sprung mass displacement were compared, it was found that, the passive suspension system has the highest magnitudes of both unsprung mass and sprung mass displacements. The active suspension system has the least unsprung mass and sprung mass displacements magnitudes. Based on these two parameters that were compared, it was therefore convenient to conclude that the active suspension system provides the best ride quality than the passive and semi-active suspension systems. The semi-active suspension system was also found to provide better ride quality than the passive suspension system based on unsprung mass and sprung mass displacements. When the suspension deflections of the passive, semi-active and active suspension systems were compared, it was found that, the semi-active suspension system has the least suspension deflection than the passive and active suspension systems under the same road conditions
