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Device and method for measuring amount of liquid chemical in plant protection unmanned aerial vehicle (UAV)
Device and method for measuring amount of liquid chemical in plant protection unmanned aerial vehicle (UAV)
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机译:用于测量植物保护液体化学量的装置和方法,无人驾驶飞行器(UAV)
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摘要
The present invention relates to a device and method for measuring the amount of a liquid chemical in a plant protection unmanned aerial vehicle (UAV). An ultrasonic sensor is adopted to measure a distance between a liquid chemical level in a liquid chemical measuring tube communicated with a liquid chemical tank and a top end of the liquid chemical measuring tube, and then a height of the liquid chemical in the liquid chemical tank is further determined according to an acquired attitude angle of the UAV and a distance between a central position of the liquid chemical measuring tube and a central position of the liquid chemical tank, thereby accurately measuring the amount of the liquid chemical in the liquid chemical tank of the UAV.
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