Modeling of time-domain dynamic characteristics of a pipe-type air spring with an auxiliary chamber

被引：0
|
作者：
Zheng Y.-Q. [1 ,2 ]
Shangguan W.-B. [2 ]
机构：
[1] College of Packaging Engineering, Jinan University, Zhuhai
[2] School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2023年 / 36卷 / 06期
关键词：
air spring; parameter identification; step response; time-domain dynamic characteristic;
D O I：
10.16385/j.cnki.issn.1004-4523.2023.06.008
中图分类号：
学科分类号：
摘要：
Air spring is a key component in vibration control of air suspension systems in vehicles，and its time-domain dynamic characteristic is an important index to evaluate the vibration isolation performance. To study the time-domain dynamic characteris⁃ tics of a pipe-type air spring with an auxiliary chamber，a test bench with an air charging system is established to measure the trans⁃ mitted forces of air spring under harmonic excitations and step excitations. A lumped parameter model for an air spring system is es⁃ tablished，and the dynamic complex stiffness model is derived. Based on the convolution theorem，an analytical model for calculat⁃ ing the time-domain dynamic characteristics of air spring is developed. The parameters of the proposed model are identified，and the calculated transmitted force by using the proposed model is compared with the measured data. The results show that the error between estimated values and experimental values is less than 5% under harmonic excitation. © 2023 Nanjing University of Aeronautics an Astronautics. All rights reserved.
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页码：1539 / 1545
页数：6
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