Parameter matching and kinetic studies of dynamic torsion-elimination suspension based on performance requirements

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (24) : 172-180.

HU Wen1, WU Yang1, CHEN Shengzhao1, ZHANG Bangji1, ZHANG nong2, SHENG Qihao1

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Abstract

To balance the conflict of anti-roll performance and passing ability for off-road vehicle, a new suspension scheme (Dynamic Torsion-elimination Suspension, DTS) was proposed.The vehicle equipped-with a DTS can obtain larger anti-roll moment and better wheel ground adhesion.After the structure depiction, the dynamic model of DTS and a 14 degree-of-freedom vehicle dynamic model were established with MATLAB.The key parameter analysis and matching of DTS were then carried out through a novel method which is based on anti-roll and torsion-elimination performance requirements.The serpentine experiment, steering transient input and asynchronous-sine twist road input were adopted to evaluate the dynamic performance of the proposed DTS and the validity of applied parameters.Simulation results show that this novel suspension system is able to improve a vehicle’s anti-roll performance and passing ability without compromising its riding comfort.Besides, the understeering performance of vehicle is enhanced as well.

Key words

parameter matching / dynamic torsion-elimination suspension / vehicle dynamic / off-road performance

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HU Wen1, WU Yang1, CHEN Shengzhao1, ZHANG Bangji1, ZHANG nong2, SHENG Qihao1. Parameter matching and kinetic studies of dynamic torsion-elimination suspension based on performance requirements[J]. Journal of Vibration and Shock, 2018, 37(24): 172-180

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