基于路面激励的车辆参数识别方法

安新好; AN Xinhao; 侯吉林; HOU Jilin

doi:10.48014/ems.20220906001

基于路面激励的车辆参数识别方法

Vehicle Parameter Identification Method Based on Road Excitation

工程材料与结构 2022年第1卷第2期页码[15-23] 下载全文[1.8MB] [HTML]

摘要

准确的车辆物理参数对车辆振动信息的使用有重要的作用。本文提出一种基于路面激励来识别车辆参数的方法。首先, 根据车辆轮胎与路面位移的接触条件, 推导出车辆各自由度的加速度响应关于路面位移激励的频响函数, 建立了频响函数、车辆加速度响应、路面横截面形状在频域中的关系; 然后根据路面的频率响应建立目标函数, 并使用内点法进行求解来识别车辆物理参数; 最后进行数值仿真, 成功识别出车辆模型的物理参数, 结果表明, 该方法能够对车辆物理参数进行有效识别。

Abstract

Accurate vehicle physical parameters play an important role in the use of vehicle vibration information. A method to identify vehicle parameters based on road excitation is proposed. Firstly, the frequency response function of vehicle acceleration response with respect to road displacement excitation is derived based on the contact conditions for the displacement between vehicle tires and road, and the relationship between frequency response function, vehicle acceleration response and road cross-section shape in the frequency domain is established. Then, the objective function is established using the frequency response of the road surface, and the physical parameters of the vehicle are identified using the interior point method. Finally, numerical simulation is performed and the physical parameters of the vehicle model are successfully identified. The results show that the method can effectively identify the physical parameters of vehicles.

DOI	10.48014/ems.20220906001
文章类型	研究性论文
收稿日期	2022-09-06
接收日期	2022-09-20
出版日期	2022-12-28
关键词	车辆, 参数识别, 路面激励, 频域响应, 目标函数
Keywords	Vehicle, parameter identification, road excitation, frequency domain response, objective function
作者	安新好, 侯吉林^*
Author	AN Xinhao, HOU Jilin^*
所在单位	大连理工大学, 大连 116023
Company	Dalian University of Technology, Dalian 116023, China
浏览量	413
下载量	267
基金项目	本项研究得到了国家自然科学基金项目(资助号51878118)的资助。
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引用本文	安新好, 侯吉林. 基于路面激励的车辆参数识别方法[J]. 工程材料与结构, 2022, 1(2): 15-23.
Citation	AN Xinhao, HOU Jilin. Vehicle parameter identification method based on road excitation[J]. Engineering Materials and Structures, 2022, 1(2): 15-23.