Control Strategy Research and Simulation Analysis of Electric Power Steering System for Automobile

Automobilespsila maneuverability, security and comfort are very important. To obtain the ideal steering stability and cornering portability of vehicles in any conditions, a multi-body dynamic model of automobile equipped with electric power steering system (EPS) is established in Matlab/Simulink and ADAMS. A new control method is presented which combined control strategy with parameter compensation method. The simulation results show that, yaw compensation can improve the stability of automobiles when steering a large angle on slippery roads; Return compensation can improve the lack of returning ability when steering at a low speed. This EPS can improve both the steering portability and road feeling.