一种基于峰值计数的铁道车辆晃车评判方法

崔涛; 孙建锋

doi:10.13890/j.issn.1000-128X.2022.01.009

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一种基于峰值计数的铁道车辆晃车评判方法

铁道机车车辆 | 更新时间：2024-08-02

- 一种基于峰值计数的铁道车辆晃车评判方法
- An evaluation method for car-body hunting of railway vehicles based on peak count
- 机车电传动 2022年第1期页码：53-58
- 作者机构：
  
  1.中车唐山机车车辆有限公司，河北唐山　063035
  2.西南交通大学牵引动力国家重点实验室，四川成都;610031
- 作者简介：
  
  孙建锋（1991—），男，博士，讲师，主要从事车辆系统动力学研究；E-mail：sjf20103889@163.com
- 基金信息：
  
  区域联合基金项目(U21A20168)
- DOI：10.13890/j.issn.1000-128X.2022.01.009
  中图分类号： U270.11
- 纸质出版日期：2022-01-10，
  
  收稿日期：2021-04-09，
  
  修回日期：2021-05-24，
- 稿件说明：
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崔涛, 孙建锋. 一种基于峰值计数的铁道车辆晃车评判方法[J]. 机车电传动, 2022,(1):53-58.

CUI Tao, SUN Jianfeng. An evaluation method for car-body hunting of railway vehicles based on peak count[J]. Electric drive for locomotives, 2022,(1):53-58.
崔涛, 孙建锋. 一种基于峰值计数的铁道车辆晃车评判方法[J]. 机车电传动, 2022,(1):53-58. DOI： 10.13890/j.issn.1000-128X.2022.01.009.

CUI Tao, SUN Jianfeng. An evaluation method for car-body hunting of railway vehicles based on peak count[J]. Electric drive for locomotives, 2022,(1):53-58. DOI： 10.13890/j.issn.1000-128X.2022.01.009.

摘要

晃车现象普遍存在于铁道车辆中，成为影响旅客乘坐舒适性的重要因素。为了更好地评估铁道车辆在日常运营过程中的晃车程度，在原有评判体系的基础上，提出了一种基于峰值计数的晃车评判方法。该方法以车体横向加速度为研究对象，从时域的角度统计加速度峰值分布情况，同时兼顾了不同振动频率对人体舒适性影响的差异性。以某型动车组实测振动信号为例，计算对比了2种方法在评判结果上的一致性。分析结果表明，基于峰值计数的晃车评判方法与原有横向平稳性指标在晃车评判上具有很好的一致性，可以有效地识别车辆在运行过程中的晃车现象，并进行晃车等级的划分。文章通过动车组实测数据对该方法进行了验证，该方法同样可以推广应用于其他速度等级的铁道车辆中。

Abstract

The phenomenon of car-body hunting is widespread in railway vehicles and has become an important factor affecting passengers’ ride comfort. To better evaluate the level of car-body hunting in the daily operation of railway vehicles

on the basis of the original evaluation methodology

an evaluation method of car-body hunting was proposed on the basis of peak count. The car-body lateral acceleration was taken as the research object

and a statistical analysis was carried on for the peak value distribution of the acceleration. The influence of different vibration frequencies on the ride comfort was taken into account

simultaneously. Taking the measured vibration signals of a certain type of CRH as an example

the consistency of the evaluation results of these two methods has been calculated and compared. The analysis results show that the proposed method has a good consistency with the lateral Sperling index in the evaluation of car-body hunting

and it can effectively detect the phenomenon of car-body hunting and classify the level during the operation. The proposed method was verified by the measured data from EMU

it could also be promoted and applied to other railway vehicles with different running speeds.

关键词

铁道车辆晃车评判峰值计数法乘坐舒适度Sperling平稳性指标高速列车

Keywords

railway vehiclescar-body hunting evaluationpeak count methodride comfortSperling indexhigh-speed train

references

WICKENS A H. The dynamics of railway vehicles-from Stephenson to Carter[J]. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 1998, 212(3): 209-217.

孙建锋, 池茂儒, 吴兴文, 等. 基于能量法的轮对蛇行运动稳定性[J]. 交通运输工程学报, 2018, 18(2): 82-89.

SUN Jianfeng, CHI Maoru, WU Xingwen, et al. Hunting motion stability of wheelset based on energy method[J]. Journal of Traffic and Transportation Engineering, 2018, 18(2): 82-89.

MATSUDAIRA T. Hunting problem of high-speed railway vehicles with special reference to bogie design for the new Tokaido line[J]. Proceedings of the Institution of Mechanical Engineers, 1965, 180(3F): 58-66.

吴会超, 霍文彪, 卢权, 等. 不同抗蛇行减振器对动车组蛇行失稳的影响研究[J]. 机车电传动, 2017(5): 30-34.

WU Huichao, HUO Wenbiao, LU Quan, et al. Influence study of different anti-yaw dampers on EMUs hunting instability[J]. Electric Drive for Locomotives, 2017(5): 30-34.

SUN J F, CHI M R, JIN X S, et al. Experimental and numerical study on carbody hunting of electric locomotive induced by low wheel-rail contact conicity[J]. Vehicle System Dynamics, 2021, 59(2): 203-223.

国家标准局. 铁道车辆动力学性能评定和试验鉴定规范: GB 5599—1985[S]. 北京: 中国标准出版社, 1985.

National Bureau of Standards. Railway vehicles-specification

for evaluation the dynamic performance and accreditation test: GB 5599—1985[S]. Beijing: China Standards Press, 1985.

International Union of Railways. Testing and approval of railway vehicles from the point of view of their dynamic behavior-safety-track fatigue-ride quality: UIC Code 518: 2003[S]. Paris: International Union of Railways, 2003.

ISO. Mechanical vibration and shock-evaluation of human exposure to whole-body vibration-part 4: guidelines for the evaluation of the effects of vibration and rotational motion on passenger and crew comfort in fixed-guideway transport systems: ISO 2631-4: 2001[S]. [S.l.: s.n.], 2001.

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