Research of the Fault Diagnosis for Air Brake Systems Based on a Analyical Model
LU Yi1,ZHU Qiang1,XIA Wen-jie1,GUO Bin2
1.Institute of Precision Measurement and Control, China Jiliang University, Hangzhou, Zhejiang 310018, China
2. Hangzhou Wolei Intelligent Technology Co.Ltd, Hangzhou, Zhejiang 310018, China
Abstract：Aimed at the problem of leak for air brake systems, based on an analyical model, a method for leak fault diagnostic of air brake systems is presented. Through analysis of the working condition of the brake valve and the brake chamber in the air brake system, a model of the brake chamber steady state pressure characteristic for the passenger car air brake system was built. This model was built on the premise that the air brake system without any fault and this model could predict transient pressure in the brake chamber. Then, a simulative test rig for the vehicle air brake system was built. The brake performance experiments by this simulative test rig and measure the brake chamber steady state pressure during the experiments will be conducted. The data measured in experiments were compared with the predictions of the model. Test shows that the method is effectively to diagnosis the leak fault for air brakes.
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LU Yi,ZHU Qiang,XIA Wen-jie,GUO Bin. Research of the Fault Diagnosis for Air Brake Systems Based on a Analyical Model. Acta Metrologica Sinica, 2016, 37(4): 402-405.
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2016, Vol. 37 
