Comparison and Analysis of Several Design Methods for Suspension Parameters of Undercar Equipment in High-speed Trains

Jie CHEN; Weiguang SUN; Wei ZHENG; Limin ZHANG; Xiaolong HE

doi:10.13890/j.issn.1000-128x.2020.04.112

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Comparison and Analysis of Several Design Methods for Suspension Parameters of Undercar Equipment in High-speed Trains

Research & Development | 更新时间：2021-12-10

- Comparison and Analysis of Several Design Methods for Suspension Parameters of Undercar Equipment in High-speed Trains
- Electric Drive for Locomotives Issue 4, Pages: 103-107(2020)
- 作者机构：
  
  1.西南交通大学　牵引动力国家重点实验室，四川　成都　610031
  2.中车青岛四方机车车辆股份有限公司，山东　青岛　266111
  3.重庆文理学院　智能制造工程学院，重庆　402160
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.04.112
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Jie CHEN, Weiguang SUN, Wei ZHENG, et al. Comparison and Analysis of Several Design Methods for Suspension Parameters of Undercar Equipment in High-speed Trains. [J]. Electric Drive for Locomotives (4):103-107(2020)
DOI：

Jie CHEN, Weiguang SUN, Wei ZHENG, et al. Comparison and Analysis of Several Design Methods for Suspension Parameters of Undercar Equipment in High-speed Trains. [J]. Electric Drive for Locomotives (4):103-107(2020) DOI： 10.13890/j.issn.1000-128x.2020.04.112.

摘要

为验证高速列车车下设备悬挂参数设计方法的可行性，对目前主要的3种设计方法的应用效果进行了对比分析。首先阐述了隔振设计法、动力吸振器法和动态设计3种方法理论和应用条件；接着以国内某型高速列车牵引变压器悬挂参数设计为例，分别基于3种方法对变压器悬挂参数进行了设计；最后将所设计的悬挂参数代入所建立的车辆设备系统模型中，求解出车辆设备系统的振动特性，从而对比分析了3种设计方法的可行性。研究结果表明，隔振设计法和动力吸振器设计法均未考虑车体设备的耦合振动特性和设备自身振动特性，根据动态设计法将变压器悬挂频率比设计为0.90～1.10时车辆既能拥有较好的乘坐舒适性，变压器也能拥有较好的振动水平；相比传统的2种车下设备设计法，动态设计法具有更高的可行性。研究结论可以为车下设备悬挂参数的设计方法选择提供依据。

Abstract

In order to verify the feasibility of the suspension parameters design methods of undercar equipment of high-speed trains, this paper compared and analyzed the application effects of the three design methods. Firstly, the application conditions of vibration isolation design method, dynamic vibration absorber design method and dynamic design method were described respectively. Then, the suspension parameter of traction transformer of a certain type of high-speed train in China was taken as an example, and the suspension parameter of transformer was designed based on three methods respectively. Finally, the designed suspension parameters were substituted into the model of the vehicle equipment system, and the feasibility of the three design methods were compared and analyzed. The result showed that, the vibration isolation design method and dynamic vibration absorber design method had not considered vehicle equipment coupled vibration characteristics and device excitation itself. According to the dynamic design method, the transformer suspension parameter was chosen 0.90-1.10 when the vehicle system could both have better ride comfort and transformer could also has good vibration characteristic. The dynamic design method was more feasible than the traditional two methods. The conclusions of this paper could provide a basis for the design method selection of suspension parameters of undercar equipment in railway vehicles.

关键词

高速列车车辆设备耦合系统悬挂参数隔振设计动力吸振器动态设计法轨道不平顺

Keywords

high-speed trainvehicle equipment coupling systemsuspension parametersvibration isolation designdynamic vibration absorberdynamic design methodtrack irregularity

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