轨旁多传感器融合的曲线浮置板振动特性及列车异常分析

高天赐; 江乐鹏; 王源; 刘晓舟; 罗钦; 何庆; 王平

doi:10.3969/j.issn.0258-2724.20240423

轨旁多传感器融合的曲线浮置板振动特性及列车异常分析

doi: 10.3969/j.issn.0258-2724.20240423

高天赐^{1, 2,},
江乐鹏³,
王源³,
刘晓舟^1, ,,
罗钦¹,
何庆^{4, 5},
王平^{4, 5}

1.
深圳技术大学城市交通与物流学院，广东深圳 518118
2.
深圳大学应用技术学院，广东深圳 518060
3.
深圳市埃伯瑞科技有限公司，广东深圳 518052
4.
西南交通大学高速铁路线路工程教育部重点实验室，四川成都 610031
5.
西南交通大学土木工程学院，四川成都 610031

基金项目: 广东省普通高校创新团队（2022KCXTD027）；国家自然科学基金（52208441）

详细信息

作者简介:
高天赐（1995—），男，博士后，博士，研究方向为铁路智能检测，E-mail：gaotianci@sztu.edu.cn

通讯作者:
刘晓舟（1989—），男，副教授，研究方向为铁路轨道智能运维，E-mail： liuxiaozhou@sztu.edu.cn

中图分类号: U213.2
计量
- 文章访问数: 33
- HTML全文浏览量: 13
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2024-09-03
- 修回日期: 2024-12-02
- 网络出版日期: 2025-05-17

Analysis of Vibration Characteristics of Curved Floating Slabs and Train Anomalies Based on Trackside Multi-Sensor Fusion

GAO Tianci^{1, 2
,},
JIANG Lepeng³,
WANG Yuan³,
LIU Xiaozhou^{1
, ,},
LUO Qin¹,
HE Qing^{4, 5},
WANG Ping^{4, 5}

1.
College of Urban Transportation and Logistics, Shenzhen Technology University, Shenzhen 518118, China
2.
College of Applied Sciences, Shenzhen University, Shenzhen 518060, China
3.
Eborail Technology Co. Ltd., Shenzhen 518052, China
4.
Key Laboratory of High-speed Railway Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
5.
School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China

摘要

摘要:
为研究曲线以及列车状态对浮置板轨道振动响应的影响，在直线及曲线等多个地段的浮置板上安装便携式智能传感终端，测量列车通过时浮置板的振动加速度并计算相关位移；对比分析直线和曲线区段浮置板轨道的加速度、位移等振动特征，进而掌握其振动特性的差异；获得同一位置处不同列车通过时浮置板的振动特点，识别列车是否存在车轮不圆顺等病害. 研究结果表明：曲线地段浮置板轨道振动加速度大于缓和曲线地段和直线地段的，其中位于半径为500 m的浮置板板端垂向加速度95%分位数峰-峰值约为直线地段的5倍～10倍，而三者的垂向位移相差不大；相比与正常列车，车轮多边形列车通过浮置板时造成的加速度更加明显，垂向加速度95%分位数峰-峰值约为其3倍，而垂向位移基本相近；通过分析二者振动差异绘制的‘车辆谱’，能够辨识车轮不圆顺等病害，可为地铁浮置板区段的车辆病害快速检测提供技术参考.
- 浮置板轨道 /
- 便携式智能传感终端 /
- 振动特性 /
- 传感数据融合 /
- 车辆谱
Abstract:
To investigate the influence of curves and train conditions on the vibration response of floating slab tracks, portable intelligent sensing terminals were installed on floating slabs at multiple locations, including both straight sections and curves. The vibration acceleration of the floating slabs was measured as trains passed, and the corresponding displacements were calculated. By conducting a comparative analysis of vibration characteristics, including acceleration and displacement, at different locations of floating slab tracks in straight and curved sections, the differences in vibration behavior between curved and straight sections can be identified. Additionally, by analyzing the vibration characteristics of the floating slabs at the same position for different trains, potential train issues such as wheel irregularities were found. The results show that the vibration acceleration of floating slab tracks in curved sections is higher than in transition curve sections and straight sections. Specifically, the 95th percentile peak-to-peak vertical acceleration at the end of a floating slab with a 500-meter radius is approximately 5 to 10 times higher than that in straight sections, while vertical displacements remain relatively similar across these sections. Trains with polygonal wheels exhibit more intense vibration when passing over floating slabs compared to normal trains. The 95th percentile peak-to-peak vertical acceleration for such trains is about three times higher than that for normal trains, although the vertical displacements remain largely similar. Based on these vibration differences, a “vehicle spectrum” was developed to identify issues such as wheel irregularity, providing a technical basis for rapid detection of vehicle-related faults in metro floating slab track sections.
- floating slab track /
- portable intelligent sensing terminal /
- vibration characteristic /
- sensor data fusion /
- vehicle spectrum

HTML全文

图 1 便携式智能传感终端现场布点示意

Figure 1. Arrangement of portable intelligent sensing terminals

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图 2 便携式智能传感终端现场布置

Figure 2. On-site deployment of portable intelligent sensing terminals

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图 3 不同地段浮置板垂向振动加速度

Figure 3. Vertical vibration acceleration of floating slabs in different sections

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图 4 各区段浮置板垂向振动峰-峰值统计结果

Figure 4. Statistical results of peak-to-peak vertical vibration of floating slabs in various sections

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图 5 各区段浮置板垂向振动功率谱

Figure 5. Vertical vibration power spectra of floating slabs across different sections

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图 6 位移积分结果

Figure 6. Results of displacement integration

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图 7 地铁列车特征长度示意（单位：m）

Figure 7. Illustration of metro trains’ characteristic length (unit: m)

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图 8 各区段浮置板垂向位移峰-峰值统计结果

Figure 8. Statistical results of peak-to-peak vertical displacement of floating slabs across different sections

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图 9 连续两趟列车通过同一位置浮置板垂向振动响应

Figure 9. Vertical vibration responses of a floating slab at the same location under two consecutive train passages

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图 10 不同列车通过同一位置浮置板垂向振动频谱

Figure 10. Vertical vibration spectra of a floating slab at the same location under different train passages

下载: 全尺寸图片幻灯片

表 1 便携式智能传感终端相关参数

Table 1. Parameters of portable intelligent sensing terminal

指标	参数
三维尺寸/mm	229/140/30
质量/kg	0.4
加速度量程	± 8g
加速度采样频率/Hz	1,000
角速度量程/（°·s⁻¹）	15
角速度采样频率/Hz	1,000
信噪比/dBA	61
噪声采样频率/Hz	16,000
灵敏度/%	1

下载: 导出CSV

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