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Researching the Vibration Characteristics of Suspension System of Automotive In the Frequency Range

Yufei Jiang
School of Mechanical and Electrical Engineering, Hubei Polytechnic University, Huangshi 435003, China; Hubei Key Laboratory of Intelligent Conveying Technology and Device, Hubei Polytechnic University, Huangshi, China

Vanliem Nguyen
School of Mechanical and Electrical Engineering, Hubei Polytechnic University, Huangshi 435003, China; Hubei Key Laboratory of Intelligent Conveying Technology and Device, Hubei Polytechnic University, Huangshi, China


DOI: https://doi.org/10.52542/tjdu.1.3.88-95

Keywords: Low frequency region, ride comfort, automotive dynamic model, optimal design

Abstract

The design parameters of the automotives not only affect the ride comfort but also affect the durability of vehicle structures, especially in the low frequency region. To enhance the automotive performance, a quarter dynamic model of automotive is used to establish the vibration equations in the time region. The vibration equations in the time region are then transformed to the frequency region based on the Laplace transformation to calculate the amplitude-frequency and acceleration-frequency characteristics of automotives. The effect of the design parameters of the automotive and suspension system such as the damping coefficient, stiffness coefficient, and mass of the automotive are then simulated and analyzed, respectively. The research result shows that both the amplitude-frequency and acceleration-frequency responses of the automotive are remarkably affected by the design parameters of the automotives in the frequency region. To improve the ride comfort and enhance the structural durability of the automotive, during the automotive design, the damping coefficient needs to enhance while both the stiffness coefficient and automotive mass needs to be optimized to reduce both the resonance amplitudes and resonant frequencies of the automotive.



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Published
2021-12-20

How to Cite
Yufei Jiang, Vanliem Nguyen, “Researching the Vibration Characteristics of Suspension System of Automotive In the Frequency Range”, Technical Journal of Daukeyev University, Vol. 1, Issue 3, 2021, pp. 88-95.

Issue
Volume 1, Issue 3 (2021)

Section
Article

Copyright © 2021 Yufei Jiang, Vanliem Nguyen

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Copyright © 2021 Yufei Jiang, Vanliem Nguyen
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