Research on design and characteristic of a new type of air suspension system with magnetic negative quasi-zero stiffness

被引：2

作者：

Sun, Liqin ^{[1
]}

Su, Li ^{[1
]}

Li, Zhongxing ^{[1
]}

Jiao, Xuefeng ^{[2
]}

机构：

[1] Jiangsu Univ, Zhenjiang, Jiangsu, Peoples R China

[2] No Arizona Univ, Flagstaff, AZ 86011 USA

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 2024年 / 238卷 / 2-3期

关键词：

Quasi-zero stiffness suspension; magnetic spring; air spring; ride comfort; VIBRATION ISOLATOR;

D O I：

10.1177/09544070221131836

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper designs a quasi-zero stiffness suspension with an air spring and a magnetic spring in parallel to improve the vehicle ride comfort. The proposed new suspension does not change the overall layout of the air suspension or affect the handling stability, reducing the system's natural frequency by a sound vibration isolation effect for a low-frequency vibration and finally improving ride comfort. The feasibility of quasi-zero stiffness suspension is verified by mathematical modeling of air spring and magnetic spring, and reasonable structural parameters are set for the simulation experiment. The 1/4 vehicle model with two degrees of freedom is built in MATLAB / Simulink. Select body acceleration, suspension working space, and tire dynamic load as evaluation indexes to test the comfort performance of the proposed suspension. The result shows that the proposed new suspension has a noticeable effect on reducing the acceleration of the vehicle body and significantly improves the vehicle ride comfort.

引用

页码：374 / 384

页数：11

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