Optimal Control Simulation Analysis of Three-axle All-wheel Steering Vehicle

摘要

Two DOF three-axle all-wheel steering vehicle model is established. The desirable vehicle model with the best performance of side-slip angle and yaw-rate is built through analyzing the ideal states of vehicle steering. Taking the desirable model as the tracking object, the integrated control system is designed using feed-forward and optimization state feedback. The vehicle simulation model is established and computer simulation is conducted by means of Matlab/Simulink. The simulation results show that the optimal control can improve the vehicle handling stability performance greatly.