Whole Vehicle Magnet Rorheological Fluid Damper Semi-active Suspension Variable Universe Fuzzy Control Simulation and Test

Abstract:

The variable universe control strategy was adopted from the octa-plate control method for whole vehicle MRD semi-active suspension model. Simulations of vehicle travelling both straight and turning with the speed of 10 m/s, 20m/s and 30m/s were done in reconstruction standards B and C level road excitation signal. Large numbers of bench tests and road test have been done upon the completion of the modification of the vehicle. Simulation results showed that the designed semi-active suspension and control strategy had effectively improved the smoothness of the ride and there was 9% to 22% reduction in vibration intensity of the magneto rheological semi-active suspension and the passive suspension. The results showed that the model and the control strategy were feasible. 