STUDY ON THE DYNAMICS OF TURNING TRUCKS EQUIPPED WITH EMERGENCY BRAKE ASSIST AND BBRAKE FORCE DISTRIBUTION SYSTEMS

Abstract

The Electronic Stability Program (ESP) is a crucial active safety technology that helps maintain vehicle stability during complex driving conditions such as cornering or driving on low-friction road surfaces. This study focuses on developing a mathematical model and simulating the cornering behavior of a passenger vehicle equipped with ESP to analyze the system’s impact on vehicle dynamics. The model is built based on engineering mechanics and vehicle dynamics theory, incorporating factors such as lateral forces, inertial moments, and wheel load distribution. Matlab Simulink software, combined with the Polynomial Chaos method, is used to simulate vehicle motion under different road conditions, with initial speeds ranging from 20 km/h to 80 km/h. The simulation results show that at low speeds, the difference between vehicles with and without ESP is minimal. However, at higher speeds or on slippery roads, the ESP system significantly reduces oversteering, trajectory deviation, and the risk of loss of control. The developed simulation model demonstrates strong consistency with previous studies and offers practical applications in training mechanical engineers as well as in designing advanced stability control systems for modern vehicles