A simulation model of Steer-by-Wire(SBW) is built, including steering motor model, steering executive system model, vehicle model and Fiala tire model. Based on the Linear Active Disturbance Rejection Control(LADRC) technique, a kind of control algorithm on steer angle of vehicle SBW is designed. On the simulation system, the control algorithm is simulated and test. The results show that the LADRC controller can implement high precision and strong robust control effects on steer control of vehicle SBW system.
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