This paper deals with the development and validation of an analytical dynamic model of an air-over-hydraulic (AOH) brake system that is widely used on loaders. The AOH system is broken into five simple and cascaded subsystems, pneumatic circuit, air-hydraulic actuator, brake line, wheel cylinder, and disk brake. Pneumatic, hydraulic, and mechanical dynamics are taken care of in each subsystem. The determination of model coefficients is introduced in detail. Many experiments are performed on an experimental setup of the real AOH system on a loader and the experimental data are compared with the simulation results. Preliminary analysis shows that the simulation results are in good agreement with the experimental data. Other researchers in the areas of brake systems in construction machinery would find the model useful for similar system modeling and analysis
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Modeling, Experimentation, and Simulation of an Air-Over-Hydraulic Brake System
Xicheng Xiong,
Xicheng Xiong
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
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Jianhua Wei,
Jianhua Wei
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Search for other works by this author on:
Jian Chen
Jian Chen
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Search for other works by this author on:
Xicheng Xiong
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Jianhua Wei
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, China
Jian Chen
State Key Laboratory of Fluid Power Transmission and Control,
Zhejiang University
, Hangzhou 310027, ChinaJ. Dyn. Sys., Meas., Control. May 2009, 131(3): 031013 (9 pages)
Published Online: March 23, 2009
Article history
Received:
June 7, 2007
Revised:
February 4, 2009
Published:
March 23, 2009
Citation
Xiong, X., Wei, J., and Chen, J. (March 23, 2009). "Modeling, Experimentation, and Simulation of an Air-Over-Hydraulic Brake System." ASME. J. Dyn. Sys., Meas., Control. May 2009; 131(3): 031013. https://doi.org/10.1115/1.3089563
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