开发和验证智能轨道的低成本外部信号采集设备:一项比较性能研究
Amparo Guillén1, Fernando Moreno-Navarro1, Miguel Sol-Sánchez1
1LabIC-UGR, Laboratory of Construction Engineering, University of Granada, 18071 Granada, Spain.
Sensors (Basel, Switzerland)
|April 28, 2025
概括
一种新的外部信号采集设备 (ESAD) 为铁路监控提供了具有成本效益的解决方案. 该设备可靠地捕获智能轨道数据,与昂贵的商业模块相美,用于基础设施维护.
科学领域:
- 铁路工程 铁路工程是指铁路工程.
- 基础设施监测 基础设施监测
- 传感器技术 传感器技术
背景情况:
- 具有成本效益和可靠的铁路监控对于基础设施维护至关重要.
- 智能轨道为监控车轮轨道相互作用提供了一种有前途的方法.
- 需要强大的信号数据采集和分析框架来实际实施.
研究的目的:
- 为了验证为智能轨道定制的外部信号采集设备 (ESAD).
- 将ESAD的性能与高精度商业模拟模块进行比较.
- 评估ESAD适用于大型铁路监控应用的适用性.
主要方法:
- 实验室规模和实体规模的实验模拟现实世界的铁路条件.
- 定制ESAD和商业模块之间的比较性能分析.
- 评估信号分散,负载到信号的线性,以及在不同条件下的可靠性.
主要成果:
- 定制的ESAD显示了与商业模块可比的性能.
- 随着负载和列车速度的增加,ESAD显示信号分散减少.
- 该设备在分析负载到信号线性时保持了超过95%的可靠性.
结论:
- 电子轨道设备 (ESAD) 提供了一个可行的,成本效益高的替代品,可以替代昂贵的商业模块进行铁路监控.
- 它提供了功能和成本之间的平衡,适合广泛采用.
- 这项技术支持预防性维护,并提高铁路基础设施的整体性能.
相关概念视频
Receiver Operating Characteristic Plot
584
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
584
Electronic Distance Measuring Instruments
771
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
771


