标准地铁列车前端专用耐撞结构吸能模式及力学匹配

羊祥云; 鲁寨军

doi:10.13890/j.issn.1000-128X.2022.02.020

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标准地铁列车前端专用耐撞结构吸能模式及力学匹配

结构设计与仿真 | 更新时间：2024-08-02

- 标准地铁列车前端专用耐撞结构吸能模式及力学匹配
- Energy absorption mode and mechanical matching of crashworthiness structure aheads for standardized metro train
- 机车电传动 2022年第2期页码：141-148
- 作者机构：
  
  1.湖南湘电动力有限公司，湖南湘潭　411101
  2.中南大学交通运输工程学院，湖南长沙　410083
  3.轨道交通安全教育部重点实验室，湖南长沙;410083
- 作者简介：
  
  羊祥云（1975—），男，高级工程师，研究方向为轨道车辆及特种电机；E-mail: yxy8728@126.com
- 基金信息：
  
  国家重大技术装备攻关工程项目（系列化中国标准地铁列车研制及试验）
- DOI：10.13890/j.issn.1000-128X.2022.02.020
  中图分类号： U231;U270.2
- 纸质出版日期：2022-03-10，
  
  收稿日期：2022-01-24，
  
  修回日期：2022-02-22，
- 稿件说明：
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羊祥云, 鲁寨军. 标准地铁列车前端专用耐撞结构吸能模式及力学匹配[J]. 机车电传动, 2022,(2):141-148.

YANG Xiangyun, LU Zhaijun. Energy absorption mode and mechanical matching of crashworthiness structure aheads for standardized metro train[J]. Electric drive for locomotives, 2022,(2):141-148.
羊祥云, 鲁寨军. 标准地铁列车前端专用耐撞结构吸能模式及力学匹配[J]. 机车电传动, 2022,(2):141-148. DOI： 10.13890/j.issn.1000-128X.2022.02.020.

YANG Xiangyun, LU Zhaijun. Energy absorption mode and mechanical matching of crashworthiness structure aheads for standardized metro train[J]. Electric drive for locomotives, 2022,(2):141-148. DOI： 10.13890/j.issn.1000-128X.2022.02.020.

摘要

开发轻质高比吸能的能量吸收装置是标准化地铁列车项目的核心需求，开展专用吸能装置的匹配性增强设计对结构耐撞性提升有重要意义。在不改变现有装置所占空间的前提下，根据标准化地铁列车的碰撞防护参数，设计了3种吸能元件方案，运用显式有限元分析方法，基于试验测定的部件性能参数，对比分析了3种结构在25 km/h速度条件下的冲击响应行为，并确定了最终的优选设计方案。在此基础上，运用拉丁超立方试验法构造了吸能参数响应面；采用非支配排序多目标遗传算法（NSGA-II）开展了吸能元件的多目标结构优化匹配设计，获得了优化后的结构方案，并完成了验算。结果表明，通过串联式蜂窝结构设计可改进吸能装置中长行程蜂窝的失稳问题；通过顶杆式蜂窝组合结构设计，显著提升了装置压缩过程中的吸能特性。响应面优化后的标准化地铁列车吸能装置吸能能力显著提升。

Abstract

Lightweight and high specific energy absorption device is the key development component of standardized subway train. It is important to enhance the matching design of special energy absorption device to improve the crashworthiness of structure. Without changing the space of existing devices

according to the collision protection parameters of standardized metro trains

three energy dissipation element schemes were designed. Based on the component performance parameters of test

the impact response behaviors of three structures were compared and analyzed by using the full-scale finite element method under the speed of 25 km/h

at last the final optimal design plan was determined. Furtherly

the response surface of energy absorption parameters was constructed by Latin hypercube method. Multi-objective structure optimization and matching design of energy absorbing element was carried out by using non-dominated sorting multi-objective genetic algorithm (NSGA-II). Optimized structural was obtained and checked. The results show that the series honeycomb structure can improve the instability of long-stroke honeycomb in the energy absorption device. The ejector rod honeycomb composite structure can significantly improve the energy absorption characteristics. With the response surface optimization

the energy absorption capacity of standardized subway train energy absorption device was significantly improved.

关键词

标准化地铁碰撞防护蜂窝结构吸能防爬装置

Keywords

standardized metrocallision protectionhoneycomb structureenergy absorbing and anti- climbing device

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