Abstract
Set up the dynamic model of light off-road vehicle, including body dynamics model, wheel model, engine model, and so on. For light off-road vehicle, project the electronic stability program (ESP) stability control principle based on the integrated control of brake and drive, the ASR engine control principle based on the PID control and the ASR differential brake intervention control principle. Based on the Matlab/Simulink, establish the dynamic simulation model of the ESP control system for the Beijing JEEP2500 light off-road vehicle. Using the simulation model, we respectively simulate and analyse the vehicle performance of low engine throttle opening control, ASR control and ESP control when the vehicle straight runs and turns on the bisectional road. The study results indicate that the proposed ESP control principle can obviously improve the comprehensive driving performances of light off-road vehicle, including the driving stability under different conditions. Language: en
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