Simulation and Experimental Study on the Off-road Performance of Vehicle with Hydraulically Interconnected Suspension

Publication Type:
Journal Article
Qiche Gongcheng/Automotive Engineering, 2017, 39 (4), pp. 447 - 456
Issue Date:
Full metadata record
© 2017, Society of Automotive Engineers of China. All right reserved. In view of that the traditional suspension system of vehicle equipped with front and rear anti-roll stabilizer bars is unable to well achieve both handling stability and off-road performances concurrently, a hydraulically interconnected suspension system is proposed in this paper. Firstly, both vehicle dynamics models with transverse stabilizer bar and with hydraulically interconnected suspension system are created respectively and a functional sample vehicle with hydraulically interconnected suspension system is built. Then both simulations on dynamics models and tests on sample vehicle are conducted respectively to analyze the changes of additional twisting moment of vehicle body and the vertical load of wheels under twisting mode. The results of simulation basically well agree with that of tests, which shows that hydraulically interconnected suspension system can enhance the rolling stability of vehicle without additionally increasing the twisting moment of vehicle body, and the vertical loads on four wheels are more evenly distributed, further enhancing the off-road performance of vehicle.
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