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介绍了一种新型井下架线式电机车防追尾报警系统的原理与应用,采用LM1893在架空线上构建电力载波通信,利用趋肤效应对载波信号的衰减,实现对电机车安全距离的监测及报警,弥补了现有的机车监控系统中存在监控盲点、成本高等缺点。
This paper introduces the principle and application of anti-rear-end alarm system for a new underground electric locomotive. The LM1893 is used to construct power line communication on overhead lines. The skin effect is used to attenuate the carrier signal to monitor the safety distance of electric locomotive. Alarm, make up for the existing locomotive monitoring system monitoring blind spot, high cost shortcomings.