Research on the Influence Factors for Bus Based on Nonlinear Model

Yu Guang Yan; Hong Guo Xu; Hong Fei Liu; Bin Ma

doi:10.4028/www.scientific.net/AMM.538.163

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Research on the Influence Factors for Bus Based on Nonlinear Model
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 538Research on the Influence Factors for Bus Based on...

Research on the Influence Factors for Bus Based on Nonlinear Model

Abstract:

Improved 5-DOF vehicle which contains nonlinear steering and tire models was established to solve the deficiency of conventional dynamic linear models to analyze coupling characteristics. Based on GPS technology, a developed vehicle handing and steering stability detecting system comprised by Steering Force and Angle Tester, GPS, Gyroscope and high precision Data Collector was introduced. According to Matlab/Simulink platform and vehicle test, the dynamic model was verified. Then some influence factors on bus handing and steering stability such as structure parameters, suspension parameters and tire parameters were analyzed. The results show that the longitudinal position of gravity and the vertical distance of gravity and roll axis have a good effect on vehicle yaw and roll responses. Spring roll stiffness is important parameter for vehicle roll. The pneumatic trail is closely related on steering reversibility and comfort. These researches have direct reference value for bus design.

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Periodical:

Applied Mechanics and Materials (Volume 538)

Pages:

163-166

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.538.163

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Online since:

April 2014

Authors:

Yu Guang Yan, Hong Guo Xu, Hong Fei Liu, Bin Ma

Keywords:

BUS, Dynamic Modeling, Dynamics Test, Influence Factors Analysis, Vehicle Engineering

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