Mobility study of the off-road vehicle

HAN Yu;;MENG Guang-wei;HUANG Chao-sheng;MEN Yu-zhuo

Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (2) : 96-100.

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PDF(1706 KB)
Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (2) : 96-100.

Mobility study of the off-road vehicle

  • HAN Yu1, 2,MENG Guang-wei1,HUANG Chao-sheng2,MEN Yu-zhuo2
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Abstract

The problem of the mobility of the off-road vehicle over the roughness roads is studied. The vehicle model parameters is gain by the frequency offset tests. The road roughness is tested by testing the suspension displacement. The driver’s vertical acceleration sequence signal on the roughness roads is acquired. The absorbed power is calculated based on human tolerance limit. The ‘human-vehicle body-wheel’, three-degrees-of-freedom vibration model is built. And road roughness sequence signals by the inverse Fourier transform is worked out, which is the input of the simulation. Then the driver’s vertical acceleration sequence signal on the roughness roads is simulated utilizing the Simulink software. The speed at six-watts of absorbed power shows the mobility of the off-road vehicle passing through the roughness roads.

 

Key words

vehicle mobility / road roughness / frequency offset test / dynamics simulation

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HAN Yu;;MENG Guang-wei;HUANG Chao-sheng;MEN Yu-zhuo. Mobility study of the off-road vehicle[J]. Journal of Vibration and Shock, 2015, 34(2): 96-100
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