Unmanned aerial vehicle real-time intelligent measurement method and system for heavy rainfall along railway

Abstract

The invention discloses an unmanned aerial vehicle real-time intelligent measurement method and system for heavy rainfall along a railway. In the method, an unmanned aerial vehicle rainfall measurement device is introduced to achieve active rainfall measurement of a local mobile environment where a controlled train is located, a microwave rain gauge, a train speed measurement device, a temperature gauge and a humidity gauge carried by the unmanned aerial vehicle rainfall measurement device are used for measuring the temperature, humidity and rainfall of the environment where the train is located and the speed of the train, the safe running speed limit of the train under the current rainfall condition is calculated in real time, and a dead zone of monitoring of the rainfall along the railway is avoided from the technical scheme; the visual range of the train is calculated in real time according to the collected rainfall, train speed and line slope information, an image of the line beyond the visual range of the train is sent back to a train-mounted display device in real time through an unmanned aerial vehicle image transmission device based on the maneuverability of an unmanned aerial vehicle device, the visual range of a train driver under the heavy rainfall condition is expanded, and the operating safety of the high-speed train in the heavy rainfall environment is improved.

Description

technical field [0001] The invention belongs to the field of railway track detection, and in particular relates to a real-time intelligent measurement method and system of a railway heavy rainfall unmanned aerial vehicle. Background technique [0002] If there is a serious debris flow disaster along the railway line, it will endanger the driving safety. Under heavy rainfall conditions, the train driver's sight distance is severely reduced, and it is difficult to detect the danger ahead in heavy rain. At the same time, mudslides and landslides caused by rainstorms pose serious harm to railway subgrades. The accident with the most serious passenger casualties in the history of China's railways is the train crash accident on the Chengdu-Kunming Railway. Japan's Shinkansen stipulates that trains with precipitation exceeding 25mm in 1h will be alerted, and trains will run at a speed limit of 170km / h when precipitation reaches 40-45mm in 1h. According to the regulations of my c...

AI Technical Summary

Problems solved by technology

But in theory, as long as there are no unlimited rainfall monitoring stations installed on the entire line, then this kind of early warning technology solution based on rainfall monitoring stations along the railway will inevitably exist in some railway areas without rainfall monitoring stations Early warning blind spot

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