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Fuzzy logic based yaw stability control for active front steering of a vehicle
S. Krishna,S. Narayanan,S. Denis Ashok 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.12
Yaw stability control is an important consideration for improving the stability and handling behavior of a vehicle during extreme steeringmaneuvers. This paper proposes a fuzzy logic based yaw stability controller for an active front steering of a four-wheeled road vehicleby using steer-by-wire system. The proposed control system takes the yaw rate error, the steering angle given by the driver and thevehicle body side slip angle as inputs, for calculating the additional steering angle as output for stabilizing the yaw moment of the vehicle. A three degrees-of-freedom vehicle model is considered. Performance of the proposed system is simulated for sinusoidal, step maneuverusing Matlab/Simulink tool, and the results are compared with the existing fuzzy control system which uses two inputs such steeringangle and yaw rate. The simulation results show better performance of the proposed fuzzy based yaw controller as compared with theexisting control system.