基于Cortex-M4的海洋浮標(biāo)遠(yuǎn)程監(jiān)控系統(tǒng)
[Abstract]:The marine buoy is a floating automatic monitoring platform for obtaining marine meteorological, hydrological, water quality, ecological, dynamic and other parameters. It has the advantages of long-term, continuous, all-weather automatic observation, etc., in marine forecasting, disaster prevention and mitigation, marine economy, etc. Maritime military activities and other aspects are of great significance. The marine buoys are easily damaged or lost due to bad climate offshore fishing activities and individual human damage. This has become the main reason for the high operating cost and the high risk of long-term operation of marine buoys. The remote monitoring and warning device of buoy operation is becoming the necessary technology to ensure the safety of buoy. Remote monitoring technology has been widely used in rail transit, safety management, intelligent home and other fields, but its direct application in marine buoys will encounter many technical problems, such as the ability to live, the transmission channel, and so on. In this paper, according to the requirement of ocean buoy as a special application function, combined with the development of image acquisition technology and wireless data transmission technology, a kind of combination of camera, magnetic sensor array and infrared sensor array is designed and implemented. Image acquisition and wireless data transmission station a set of remote monitoring and warning system buoy. The system uses STM32F407ZET6 as microprocessor, realizes recognition of human body by infrared sensor LHI778, realizes recognition of ship hull by magnetic sensor MicroMag3, and triggers early warning mechanism. Under the early warning mechanism, the image acquisition circuit collects the image data of the camera OV2640, and transmits the image data to the remote receiving terminal through the wireless data transmission station. At the same time, the battery management unit is used to reduce the power consumption of the system and make the system work for a long time. The whole system adopts the modularization design, has the intelligence, the low power consumption and so on characteristic. The sensing angle and distance of infrared sensor, the detection distance of magnetic sensor and the position of camera are tested and calibrated, the communication distance of digital transmission station is tested, and the system is finally adjusted. The prototype system can basically meet the requirements of offshore buoys and provide necessary technical support for the safe operation of buoys.
【學(xué)位授予單位】:杭州電子科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:P715.2
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