基于道路激励的车辆参数识别方法

IF 0.4 Q4 ENGINEERING, MULTIDISCIPLINARY Journal of Materials and Engineering Structures Pub Date : 2022-12-28 DOI:10.48014/ems.20220906001
Xinhao An, J. Hou
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引用次数: 0

摘要

准确的车辆物理参数对车辆振动信息的利用起着重要的作用。提出了一种基于路面激励的车辆参数识别方法。首先,基于车辆轮胎与路面位移的接触条件,推导了车辆加速度响应相对于路面位移激励的频响函数,建立了频响函数、车辆加速度响应与路面截面形状在频域上的关系;然后,利用路面频率响应建立目标函数,利用内点法识别车辆的物理参数;最后进行了数值仿真,成功地识别了整车模型的物理参数。结果表明,该方法可以有效地识别车辆的物理参数。
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Vehicle Parameter Identification Method Based on Road Excitation
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.
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来源期刊
Journal of Materials and Engineering Structures
Journal of Materials and Engineering Structures ENGINEERING, MULTIDISCIPLINARY-
自引率
16.70%
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0
审稿时长
9 weeks
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