Performance Testing Method for High Speed Railway Perimeter Intrusion Monitoring Equipment
In response to the requirement of fully verifying the performance of the front-end monitoring equipment for high speed railway perimeter intrusion alarm before its launch,typical application scenarios for perimeter intrusion such as roadbed sections,bridge heads,and tunnel entrances were identified through analysis of the high speed railway operating environment,as well as the main intrusion behaviors such as personnel,falling rocks,and debris flows.A simulation method for the main intrusion behaviors and interference factors such as rain,fog,and wind was proposed.Based on the monitoring range of the monitoring equipment,the test cases for misreporting and underreporting for three testing technologies including video + vibration fiber optic,video + LiDAR,and video+millimeter wave radar were designed.A testing environment was built and applied based on mechanical design,testing technology,electrical control,etc.The results show that rainfall has a significant impact on millimeter wave radar,with a underreporting rate of over 50%during heavy rain.Defogging has a significant impact on LiDAR,with a underreporting rate of 98%in strong fog.The testing method proposed in this article can accurately evaluate the performance of different monitoring devices and has the advantages of scientific and efficient methods.The designed testing environment can quantitatively simulate interference factors such as rain,fog,wind,as well as intrusion behaviors such as personnel,falling rocks,and debris flows.
high speed railwaytesting methodsperimeter intrusionmonitoring equipmentperformance testingtest environmentapplication scenariosinterference factors
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