Non-linear Dynamic Feature of a Steering Gear System with Backlashes

FANG Yuxin,DING Qian,ZHANG Wei

Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (23) : 29-34.

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PDF(1796 KB)
Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (23) : 29-34.

Non-linear Dynamic Feature of a Steering Gear System with Backlashes

  • FANG Yuxin,DING Qian,ZHANG Wei
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Abstract

Steering Gear transmission plays an important role in various transmission systems. This paper investigated the dynamic behavior of a steering system with several backlashes. First, the equations of motion of a 3 degree-of-freedom dimensionless system were established. Then the modal analysis was used to analyze the natural frequencies and amplitude-frequency spectrum of the system with harmonic balance method. Secondly,the system was also numerically solved by Runge-Kutta method and bifurcation, chaos and other complex dynamic phenomena were presented. Finally, influences of gear backlashes on dynamics of the system were analyzed. The result of the paper indicates that both the operating conditions and the structural parameters of the steering gear system can be designed properly to avoid undesirable dynamic motion and realize better mechanical properties.

Key words

steering gear system / backlash / non-linear dynamics / dynamic transmission error

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FANG Yuxin,DING Qian,ZHANG Wei . Non-linear Dynamic Feature of a Steering Gear System with Backlashes[J]. Journal of Vibration and Shock, 2016, 35(23): 29-34

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