中置轴列车行驶稳定性分析

doi:10.3901/JME.2021.14.232

机械工程学报 ›› 2021, Vol. 57 ›› Issue (14): 232-243.doi: 10.3901/JME.2021.14.232

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中置轴列车行驶稳定性分析

郭锐^1,2,3,4, 陈家恒^1,3,4, 张启星^1,3,4, 蔡伟^1,3,4, 赵静一^1,2,3,4, 王建军^1,3,4, 关畅^1,3,4

1. 燕山大学河北省重型机械流体动力传输与控制重点实验室秦皇岛 066004;
2. 浙江大学流体动力与机电系统国家重点实验室杭州 310027;
3. 燕山大学先进锻压成形技术与科学教育部重点实验室秦皇岛 066004;
4. 燕山大学河北省特种运载装备重点实验室秦皇岛 066004

收稿日期:2020-10-10 修回日期:2021-05-10 出版日期:2021-09-15 发布日期:2021-09-15
通讯作者: 蔡伟(通信作者),男,1992年出生,博士。主要研究方向为群系统基本理论与可靠性分析、电液系统控制。E-mail:caiwei@ysu.edu.cn
作者简介:郭锐,男,1980年出生,副教授。主要研究方向为复杂机电液系统创新设计与可靠性分析。E-mail:guorui@ysu.edu.cn
基金资助:
国家自然科学基金（52075469）、国家重点研发计划（2019YFB2005204）和流体动力与机电系统国家重点实验室开放基金课题（GZKF-201922）资助项目

Analysis of Running Stability of Train with Center Axle

GUO Rui^1,2,3,4, CHEN Jiaheng^1,3,4, ZHANG Qixing^1,3,4, CAI Wei^1,3,4, ZHAO Jingyi^1,2,3,4, WANG Jianjun^1,3,4, GUAN Chang^1,3,4

1. Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao 066004;
2. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027;
3. Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Qinhuangdao 066004;
4. Hebei Key Laboratory of Special Delivery Equipment, Yanshan University, Qinhuangdao 066004

Received:2020-10-10 Revised:2021-05-10 Online:2021-09-15 Published:2021-09-15

摘要/Abstract

摘要： 针对中置轴列车行驶过程中出现的失稳现象，建立中置轴列车的数学模型和动力学仿真模型。在70 km/h和50 km/h的行驶速度下对阶跃工况、蛇形工况和双移线工况下的侧向加速度、侧倾角和横摆角速度进行了仿真分析，并进行阶跃工况和双移线工况下的行驶稳定性试验。仿真与试验结果表明，相同速度下牵引车的最大侧倾角大于挂车；挂车的最大侧向加速度和最大横摆角速度均大于牵引车，挂车存在明显的尾部放大效应，行驶速度越快，动力学参数放大效应越明显；中置轴列车行驶过程中后方挂车各动力学参数响应较牵引车时间上存在明显的延迟，列车行驶速度越快，挂车响应延迟时间越短，稳定性越低，侧翻风险越大；相同行驶速度下牵引车和挂车最大侧向加速度、最大侧倾角和最大横摆角速度均出现在双移线工况下，双移线行驶工况下中置轴列车稳定性较低，侧翻风险更高。

关键词: 中置轴列车, 侧向加速度, 横摆角速度, 行驶稳定性, 双移线工况

Abstract: The mathematical model and dynamic simulation model of the center axle train are established in view of the instability phenomenon in the running process of the center axle train. At the speed of 70 km/h and 50 km/h, the lateral acceleration, roll angle and yaw rate under step condition, serpentine condition and double line shifting condition are simulated and analysed, and the driving stability tests under step condition and double lane change condition are carried out. The results of simulation and experiment show that:At the same speed, the maximum roll angle of tractor is greater than that of trailer;The maximum lateral acceleration and yaw rate of the trailer are greater than that of the tractor, and there is obvious tail amplification effect of the trailer. The faster the driving speed is, the more obvious the amplification effect of dynamic parameters is;The response time of the rear trailer is obviously delayed than that of the tractor, The faster the train speed, the shorter the response delay time of the trailer, the lower the stability and the greater the rollover risk. At the same time, it is found that the maximum lateral acceleration, the maximum roll angle and the maximum yaw rate of the tractor and trailer occur under the condition of double lane change, and the stability of the train is lower and the risk of rollover is higher under the condition of double lane shifting.

Key words: center axle train, lateral acceleration, yaw rate, driving stability, double line shifting condition

中图分类号:

U469

郭锐, 陈家恒, 张启星, 蔡伟, 赵静一, 王建军, 关畅. 中置轴列车行驶稳定性分析[J]. 机械工程学报, 2021, 57(14): 232-243.

GUO Rui, CHEN Jiaheng, ZHANG Qixing, CAI Wei, ZHAO Jingyi, WANG Jianjun, GUAN Chang. Analysis of Running Stability of Train with Center Axle[J]. Journal of Mechanical Engineering, 2021, 57(14): 232-243.

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中置轴列车行驶稳定性分析

Analysis of Running Stability of Train with Center Axle

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