牵引与桥梁上拱激励下城轨列车动力学性能研究

doi:10.3901/JME.2019.04.118

机械工程学报 ›› 2019, Vol. 55 ›› Issue (4): 118-125.doi: 10.3901/JME.2019.04.118

牵引与桥梁上拱激励下城轨列车动力学性能研究

杨建伟^1,2, 刘传^1,2, 王金海^1,2,3, 孙冉^1,2, 祝赫锴^1,2

1. 北京建筑大学城市轨道交通车辆服役性能保障北京市重点实验室北京 100044;
2. 北京建筑大学机电与车辆工程学院北京 100044;
3. 北京交通大学机械与电子控制工程学院北京 100044

收稿日期:2018-05-20 修回日期:2018-09-20 出版日期:2019-02-20 发布日期:2019-02-20
作者简介:杨建伟,男,1971年出生,博士,教授,博士研究生导师。主要研究方向为车辆系统失效建模和安全性分析、监测技术与故障诊断、车辆系统动力学及控制。E-mail:yangjianwei@bucea.edu.cn
基金资助:
国家重点研发计划课题资助项目（2016YFB1200402）

Research on Dynamic of Urban Rail Vehicle of Variable Speed and Long-wave Excitation Conditions

YANG Jianwei^1,2, LIU Chuan^1,2, WANG Jinhai^1,2,3, SUN Ran^1,2, ZHU Hekai^1,2

1. Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles, Beijing University of Civil Engineering and Architecture, Beijing 100044;
2. School of Mechanical-electronic and Automobile Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044;
3. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044

Received:2018-05-20 Revised:2018-09-20 Online:2019-02-20 Published:2019-02-20

摘要/Abstract

摘要： 城轨列车的实时变速工况是极为普遍的运行状态，若仅以匀速工况替代，无法得到贴近实际的研究结论。为此，提出一种新的考虑内外耦合激励的动力学模型。建立单节车体模型及编组城轨列车模型，综合考虑牵引工况以及城轨列车通过高架线路时的桥梁徐变上拱长波不平顺，研究在该内外耦合激励下的车辆动力学性能。基于微元法思想，计算得到城轨列车牵引工况下的电机转矩及基本阻力转矩与运行时间的关系，得到合理的综合工况下的运行状态。研究结果表明，在变速工况下车辆的轮对磨耗数、垂向平稳性指标及轮重减载率均有所上升；在桥梁长波不平顺激励下，车辆垂向平稳性指标有所下降、轮重减载率升高，而对车辆横向平稳性指标影响较小。

关键词: 安全性, 回转阻力, 铁道车辆, 转向架, 变速工况, 城轨列车, 动力学性能, 徐变上拱

Abstract: Real-time variable speed conditions of urban rail trains are extremely common operating conditions, if only to uniform conditions instead, it cannot get a satisfactory conclusion. To this end, a new dynamic model considering coupled internal and external excitation is proposed. Based on the traction condition and the bridge creep on the elevated rail line, the vehicle dynamics performance under the coupling of the internal and external are studied. Based on the idea of micro-element method, the relationship between the torque and the running torque of the traction condition of the city rail is calculated, and the running condition is obtained under the reasonable comprehensive condition. The results show that the number of wheel wear and the vertical stability of the vehicle are increasing under the variable speed condition. Under the long wave irregularity of the bridge, the vertical stability index of the vehicle decreases, while the lateral stability Indicators have less impact.

Key words: bogie, rail vehicle, rotation resistance, running safety, concrete creep, dynamic performance, urban rail vehicle, variable speed condition

中图分类号:

U270

杨建伟, 刘传, 王金海, 孙冉, 祝赫锴. 牵引与桥梁上拱激励下城轨列车动力学性能研究[J]. 机械工程学报, 2019, 55(4): 118-125.

YANG Jianwei, LIU Chuan, WANG Jinhai, SUN Ran, ZHU Hekai. Research on Dynamic of Urban Rail Vehicle of Variable Speed and Long-wave Excitation Conditions[J]. Journal of Mechanical Engineering, 2019, 55(4): 118-125.

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牵引与桥梁上拱激励下城轨列车动力学性能研究

Research on Dynamic of Urban Rail Vehicle of Variable Speed and Long-wave Excitation Conditions

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