[1]刘 沛,米彩盈,等. 某城轨车辆碰撞能量管理系统研究[J].机车电传动,2019,(01):1.[doi:10.13890/j.issn.1000-128x.2019.01.121]
 LIU Pei,MI Caiying,CHEN Jingjing,et al. Research of Crash Energy Management System for a Mass Transit Vehicle[J].Electric Drive for Locomotives,2019,(01):1.[doi:10.13890/j.issn.1000-128x.2019.01.121]
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 某城轨车辆碰撞能量管理系统研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2019年01期
页码:
1
栏目:
城市轨道车辆
出版日期:
2019-02-28

文章信息/Info

Title:
 Research of Crash Energy Management System for a Mass Transit Vehicle
作者:
 刘 沛1米彩盈1 2陈晶晶2
 (1. 西南交通大学 机械工程学院,四川 成都 610031;
2. 大功率交流传动电力机车系统集成国家重点实验室,湖南 株洲 412001)
Author(s):
 LIU Pei1 MI Caiying 1 2 CHEN Jingjing2
 ( 1.School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China;
2. The State Key Laboratory of Systems Integration for High-power AC Drive Electric Locomotive, Zhuzhou, Hunan 412001, China )
关键词:
 碰撞能量管理蜂窝铝芯锥形薄壁方管端部结构耐碰撞性能
Keywords:
 crash energy management honeycomb aluminum core tapered thin-walled square tube end structure crashworthiness performance
分类号:
U231;O313.4
DOI:
10.13890/j.issn.1000-128x.2019.01.121
文献标志码:
A
摘要:
 为了改进某城市轨道车辆车体耐碰撞性能,根据美国AAR S-034 标准要求,建立了一种基于蜂窝铝芯和锥形薄壁方管结构的碰撞能量管理(CEM)系统,利用LS-DYNA 平台,对该CEM 子系统的撞击性能进行了分析,并对比了安装CEM 系统前后整车撞击刚性壁障的界面力- 位移曲线和加速度- 时间曲线。研究表明:“铝芯- 薄壁管”组合式吸能结构可以使压溃变形过程有序进行,且具有较低的撞击力初始峰值;采用文中的CEM 系统可显著提高车体端部结构的耐碰撞性能。
Abstract:
 In order to improve the crashworthiness performance of a mass transit vehicle body, a crash energy management (CEM) system based on honeycomb aluminum core and tapered thin-walled square tube structure was established according to the requirements of American AAR S-034 standards. And the impact performance of CEM subsystem was analyzed by using the LS-DYNA platform. Then,
the force-displacement curve and acceleration-time curve of the vehicle before and after the installation of the CEM system were compared under the scenario of impacting with a rigid obstacle. This research showed that, the "aluminum core-thin wall tube" combined energyabsorbing structure can make the crushing deformation process in an orderly manner and has a lower initial peak impact force; using the CEM system designed could significantly improve the crashworthiness performance of end structure of the vehicle.

参考文献/References:

 [1] American Public Transportation Association. Standard for the design and construction of passenger railroad rolling stock: APTA SS-C&S-034-99: 2006[S]. 2006.
[2] 王钰栋,金磊,洪清泉. HyperMesh & HyperView 应用技巧与高级实例[M]. 北京:机械工业出版社,2012.
[3] 胡远志,曾必强,谢书港. 基于LS-DYNA 和HyperWorks 的汽车安全仿真与分析[M]. 北京:清华大学出版社,2011.
[4] Livermore Software Technology Corporation. LS-DYNA Keyword user’s manual volume II[EB/OL]. [2018-04-09]. http://ftp.lstc.com/anonymous/outgoing/trent001/manuals/LS-DYNA_manual_Vol_II.pdf.
[5] LU G, YU T X. Energy absorption of structures and materials[M].Cambridge:Woodhead,2003.
[6] 雷成,肖守讷,罗世辉. 轨道车辆耐碰撞性研究进展[J]. 铁道学报,2013,35(1),31-40.
[7] BAI Z, GUO H, JIANG B. A study on the mean crushing strength of hexagonal multi-cell thin-walled structures[J]. Thin-Walled Struct,2014,80:38-45.

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备注/Memo

备注/Memo:
 作者简介:刘 沛(1993-),男,硕士研究生,研究方向为铁道机车车辆结构强度。
更新日期/Last Update: 2018-12-29