Vehicle vibration model based on effective road profiles

ZHANG Wei; WEI Lang; YU Qiang

Volume 8 Issue 4

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ZHANG Wei, WEI Lang, YU Qiang. Vehicle vibration model based on effective road profiles[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 16-19.

Citation:

ZHANG Wei, WEI Lang, YU Qiang. Vehicle vibration model based on effective road profiles[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 16-19.

ZHANG Wei, WEI Lang, YU Qiang. Vehicle vibration model based on effective road profiles[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 16-19.

Citation:

ZHANG Wei, WEI Lang, YU Qiang. Vehicle vibration model based on effective road profiles[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 16-19.

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Vehicle vibration model based on effective road profiles

Key Laboratory of Automotive Transportation Safety Technology of Ministry of Communications, Chang'an University, Xi'an 710064, Shaanxi, China

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Author Bio:
ZHANG Wei(1973-), male, lecturer, doctoral student, +86-29-82334470, zhweijx@chd.edu.cn

WEI Lang(1957-), male, professor, PhD, +86-29-82334471, qchol@chd.edu.cn
Received Date: 2007-12-21
Publish Date: 2008-08-25

Abstract

Abstract

In order to effectively analyze the actual contact process of tire with road surface, tire was simplified as a rigid circle, current effective road profile was changed from the center track of wheel to the rock bottom track of wheel, its general equations were set up to solve new effective road profiles, a vehicle vibration model with 2 degrees of freedom was presented, effective road profiles were regarded as road surface input, and the simulation and experiment of vehicle ride comfort were done.Analysis result shows that the simulation result of vibration accelerations for vehicle axle and body approaches to road experimental data.Under effective road profiles input, the average relative error of vehicle axle acceleration is 5.17%, and the average relative error of body acceleration is 1.71%.Under real road profile input, the average relative error of axle acceleration is 12.93%, and the average relative error of body acceleration is 28.48%.
- automotive engineering,
- effective road profile,
- real road profile,
- vehicle vibration model

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References(13)

References

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