Research on cooperative control strategy for braking system of articulated heavy vehicles Online publication date: Fri, 05-Jul-2024
by Xuanyao Wang; Bin Fang; Yecheng Zhao; Jianye Wang; Peng Feng
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 31, No. 4, 2024
Abstract: The braking response delay of articulated heavy vehicles, the braking in coordination between tractor and semi-trailer, braking impact, etc. affect driving stability. To solve the above problems, the paper designed a configuration scheme and established a model of pneumatic electronic control braking system, and proposed a cooperative braking control strategy for the tractor and semi-trailer. PID control is performed on the braking chamber pressure of the front axle of the tractor first, and then closed-loop feedback control is performed on the braking chamber pressure of the rear axle of the tractor and the axle of the semi-trailer so that the braking chamber pressure of the axle of the semi-trailer can follow the axle of the tractor and respond in time to changes in brake chamber pressure. Simulation results based on TruckSim/AMESim/Simulink verify the effectiveness of the proposed cooperative braking control strategy.
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