坐姿人体与车辆-轨道系统的垂向耦合作用机理

doi:10.3901/JME.2022.16.290

机械工程学报 ›› 2022, Vol. 58 ›› Issue (16): 290-300.doi: 10.3901/JME.2022.16.290

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坐姿人体与车辆-轨道系统的垂向耦合作用机理

于曰伟, 赵雷雷, 周长城

山东理工大学交通与车辆工程学院淄博 255000

收稿日期:2021-04-14 修回日期:2021-10-06 出版日期:2022-08-20 发布日期:2022-11-03
通讯作者: 赵雷雷(通信作者)，男，1982年出生，博士，副教授，硕士研究生导师。主要研究方向为车辆动力学与控制。E-mail：zhaoleilei611571@163.com
作者简介:于曰伟，男，1989年出生，博士，讲师，硕士研究生导师。主要研究方向为车辆动力学与控制。E-mail：yuyuewei2010@163.com
基金资助:
山东省自然科学基金(ZR2021QE082，ZR2020ME127)和博士科研启动基金(420096)资助项目

Vertical Coupling Mechanism between the Sitting Human Body and the Vehicle-track System

YU Yuewei, ZHAO Leilei, ZHOU Changcheng

School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000

Received:2021-04-14 Revised:2021-10-06 Online:2022-08-20 Published:2022-11-03

摘要/Abstract

摘要： 为了探明车辆-轨道系统垂向振动与坐姿人体垂向振动之间的相互耦合作用影响，将人体视为依附于车厢地板的4自由度系统，在考虑车体弹性振动的基础上，建立了坐姿人体-车辆-轨道垂向耦合动力学模型，并利用实车线路运行试验对模型的正确性进行了验证。在此基础上，以车辆-轨道垂向统一模型、坐姿人体垂向振动模型和坐姿人体-车辆-轨道垂向耦合动力学模型为参考，分析了坐姿人体垂向振动对车辆-轨道系统垂向随机振动响应特征的影响、坐姿人体与车辆-轨道系统垂向耦合振动效应对坐姿人体垂向振动特性的影响，以及坐姿人体-车辆-轨道垂向耦合作用下的人体振动响应特性。研究成果为轨道车辆的乘坐舒适性分析及动力学性能优化提供了有效的模型参考和理论依据。

关键词: 轨道车辆, 人车耦合, 动力学建模, 耦合特性, 影响分析

Abstract: In order to explore the coupling effect between the vertical vibration of vehicle-track system and the vertical vibration of sitting human body, regarding the human body as a four-degree-of-freedom system attached to the car floor, a vertical coupling dynamic model of the sitting human body-vehicle-track system is established on the basis of considering the elastic vibration of the car body, and the correctness of the model is verified by real vehicle line operation test. Based on this, taking the vehicle-track vertical coupling dynamic model, the sitting human body vertical vibration model, and the vertical coupling dynamic model of the sitting human body-vehicle-track system as reference, the influence of sitting human body vertical vibration on the vehicle-track system vertical random vibration response characteristics, the influence of vertical coupling vibration effect of sitting human body and vehicle-track system on the vertical vibration of sitting human body, and the vibration response characteristics of the sitting human body under vertical coupling action of the sitting human body-vehicle-track system are analyzed. This research provides an effective model reference and theoretical basis for the ride comfort analysis and dynamic performance optimization of rail vehicles.

Key words: railway vehicle, human vehicle coupling, dynamic modeling, coupling characteristics, influence analysis

中图分类号:

U260

于曰伟, 赵雷雷, 周长城. 坐姿人体与车辆-轨道系统的垂向耦合作用机理[J]. 机械工程学报, 2022, 58(16): 290-300.

YU Yuewei, ZHAO Leilei, ZHOU Changcheng. Vertical Coupling Mechanism between the Sitting Human Body and the Vehicle-track System[J]. Journal of Mechanical Engineering, 2022, 58(16): 290-300.

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坐姿人体与车辆-轨道系统的垂向耦合作用机理

Vertical Coupling Mechanism between the Sitting Human Body and the Vehicle-track System

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