The invention, which belongs to the technical field of electrified rail transit and power electronic converters, particularly relates to a subway train position detection system which comprises a plurality of position detection units. And the position detection units are used for detecting the dynamic change of a rail pressure drop, comparing magnitudes and products of voltages output by the adjacent position detection units, and further judging the real-time position of the train. The system has the advantages of dynamic real-time train position judgment, simple principle, low cost, small maintenance amount and the like.
本发明属于电气化轨道交通和电力电子变流器技术领域,具体涉及一种地铁列车位置检测系统,包括:若干个位置检测单元。位置检测单元用以检测钢轨压降动态变化,对相邻位置检测单元输出的电压进行大小和乘积比较,进而判断列车的实时位置。本发明具有动态实时判断列车位置、原理简单、成本低、维护量小等优点。
Subway train position detection system
地铁列车位置检测系统
2020-07-10
Patent
Electronic Resource
Chinese
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