METHODS FOR ADJUSTING INERTIA AND CONTROL SYSTEMS FOR ACTIVE SHOCK ABSORBERS BASED ON THE TERRAIN AHEAD OF THE VEHICLE

Abstract

The invention relates to a method of adjusting the inertia of an active shock absorber based on the terrain in front of the vehicle (1) and its control system. According to the terrain in front of the vehicle (1) being scanned, the trajectory of the center of mass and the history of the posture are calculated when the vehicle passes through the terrain in front of the vehicle (1) with passive shock absorbers. After smoothing the trajectory of the center of mass and the history of the posture, the active shock absorber is controlled to make the vehicle run along the smoothed trajectory. In this stage, the smoothing coefficient is adjusted to make each shock absorber travel limited to the limit travel, and according to the support force and travel of each active shock absorber calculated from the dynamic model, the impedance control based on force-transmission is performed on the shock absorber's drive.The comfort and handling stability of vehicles traveling on uneven road surfaces can be significantly improved.