Air brake systems have been widely used in heavy trucks and intercity buses for its great superiority over other brake system. In traditional, many researchers focused on the vehicle dynamics which employ the static characteristic of brake system to analysis the vehicle brake capacity. In fact, the practical performance of air brake system may be greatly different from the static theory. Thus, it is necessary to build an integrate air brake system model to simulate the process of brake accurately. Also, some works focused on the dynamic characteristics of brake system have been completed, but it is not comprehensive without the considering the effect of vehicle dynamics. In this paper, a completely air brake system dynamic model is built, where the air brake system contains pneumatic subsystem and mechanical subsystem. The air brake system is embedded in a heavy truck dynamic model which contains three axles. The simulation results show the brake distance, vehicle velocity, vehicle deceleration, and brake torque for each wheel in the process of brake.
Modeling and Co-Simulation for Air Brake System of Heavy Truck
Advanced Materials Research ; 466-467 ; 1109-1114
2012-02-10
6 pages
Article (Journal)
Electronic Resource
English
Modeling and Co-Simulation for Air Brake System of Heavy Truck
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