吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (03): 607-612.doi: 10.7964/jdxbgxb201303009

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Mechanical-hydraulic co-simulation and experiment of full hydraulic steering systems

WANG Tong-jian1, CHEN Jin-shi1, ZHAO Feng1, ZHAO Qing-bo1, LIU Xin-hui1, YUAN Hua-shan2   

  1. 1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2. Jiangsu Liugong Machinery Co., Ltd.,Zhenjiang 212005,China
  • Received:2012-05-11 Online:2013-05-01 Published:2013-05-01

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Abstract: The working principle the load-sensing full hydraulic system was introduced in this paper. The co-simulation model of the hydraulic steering system of a loader was established based on AMESim and LMS Virtual.Lab Motion. The dynamic characteristics of the steering process was simulated and analyzed. Comparison of simulation and experiment results shows that the co-simulation model is accurate and credible. The multi-body dynamic model can accurately simulate the system load. It is found by simulation analysis that tire cornering stiffness significantly affects the pressure oscillation of the steering system, thus reducing the stiffness can reduce the pressure fluctuation.

Key words: fluid power transmission and control, hydraulic steering system, load-sensing, mechanical-hydraulic co-simulation, tire cornering stiffness

CLC Number: 

  • TH137
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