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首页> 外文会议>AREMA annual conference >INTRINSICALLY FAILSAFE RADAR AS AN ALTERNATIVE TO TRACK CIRCUITS
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INTRINSICALLY FAILSAFE RADAR AS AN ALTERNATIVE TO TRACK CIRCUITS

机译：本能故障雷达作为跟踪电路的替代品

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摘要

Track circuits used for train detection on islands and on approaches for low-speed and infrequently used highway-rail grade crossings suffer low reliability due to chronically poor rail conditions. An alternative to track circuit detection is sought, one that can provide demonstrably equal or better performance and reliability. A radar-based method has been developed that provides non-track circuit train detection. An intrinsically failsafe mechanism and the ability to utilize multiple sensors provides a basis for achieving the high safety integrity levels demanded by train control and railroad signaling applications. Beyond island detection, the ability to reliably sense train presence, speed, heading, and track occupancy directly enables, and possibly improves other railroad industry applications that currently rely upon track circuit methods.
机译：由于长期恶劣的铁路条件，用于岛上以及低速和不经常使用的公路-铁路平交道口的列车检测的轨道电路的可靠性低。寻求跟踪电路检测的替代方案，其可以提供明显相等或更好的性能和可靠性。已经开发了一种基于雷达的方法，该方法提供了非跟踪电路系统检测。本质上的故障安全机制和利用多个传感器的能力为实现列车控制和铁路信号应用所要求的高安全完整性等级提供了基础。除了孤岛检测之外，可靠地感测火车的存在，速度，方向和轨道占用率的能力还可以直接实现，并且有可能改善当前依赖于轨道电路方法的其他铁路行业应用。

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