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首页> 外文期刊>Intelligent Transport Systems, IET >Impact of train positioning inaccuracies on railway traffic management systems: framework development and impacts on TMS functions
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Impact of train positioning inaccuracies on railway traffic management systems: framework development and impacts on TMS functions

机译：火车定位不准确对铁路交通管理系统的影响：框架开发和对TMS功能的影响

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摘要

Nowadays the railway industry is beginning to give serious consideration to using intelligent traffic management systems (TMSs) in order to improve railway performance regarding train and passenger delays and robust use of capacity. The TMS is responsible for handling railway traffic once a disturbance happens. A fundamental input parameter of a TMS is the train positions, to be used for traffic re-planning purposes. Inaccuracy in the train positioning data could significantly influence the effectiveness of a TMS. In this study, the authors developed a framework to evaluate how inaccuracies in the train position reporting may affect the TMS performance. This is achieved by assessing the impact of adding inaccuracies to the train position reported to a simulated TMS as it handles operational disturbances in real-time. The performance of the TMS is analysed by considering variability in overall delay outcomes after re-planning based on using accurate/inaccurate positional data. They demonstrate the usefulness of their framework in determining the positional accuracy required for the effective application of a basic rescheduling system via an example on a bottleneck area. Results show how the positioning inaccuracies can affect TMS and thus the overall delay.
机译：如今，铁路行业开始认真考虑使用智能交通管理系统（TMSS），以改善有关火车和乘客延误的铁路绩效并强大地使用能力。一旦发生干扰，TMS负责处理铁路交通。 TMS的基本输入参数是列车位置，用于用于交通重新规划目的。火车定位数据中的不准确性可能会显着影响TMS的有效性。在这项研究中，作者制定了一个框架，以评估列车位置报告中的不准确性如何影响TMS性能。这是通过评估向模拟TMS报告的火车位置增加了不准确的影响而实现的影响，因为它在实时处理操作扰动。通过基于使用准确/不准确的位置数据在重新规划后，通过考虑整体延迟结果的可变性来分析TMS的性能。它们展示了框架在确定通过瓶颈区域上有效地应用基本重新安排系统所需的位置精度的框架的有用性。结果显示定位不准确性如何影响TMS，从而实现整体延迟。

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