Abstract
This article introduces the β phase plane method to determine the stability state of the vehicle and then proposes the electronic stability program fuzzy controller to improve the stability of vehi...
Highlights
The main reason for traffic accidents is that the vehicle loses stability when driving at high speed
To enhance vehicle stability driving on low adhesion roads, vehicles were equipped with four-wheel steering (4WS), traction control system (TCS), and electronic stability program (ESP)
We used an ESP fuzzy control system based on direct yaw moment and rear steering angle control to maintain the stability of the vehicle within a range of its bÀb_phase
Summary
The main reason for traffic accidents is that the vehicle loses stability when driving at high speed. In the vehicle stability control process, sideslip angle b and yaw rate vg are the two states of the vehicle’s lateral dynamics.[17]. Based on the ESP braking force allocation strategy, under different circumstances, according to the vehicle front wheel’s steering angle and the difference between the actual and nominal yaw rates, we can find out the direction of the compensation torque and braking wheels of the vehicle. According to two input variables, the controller can output yaw moment and rear steer angle through manually setting appropriate rules and assigning wheel braking force to control vehicle stability under extreme conditions. In this article, we selected fuzzy control strategy for the ESP system
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