Automatic targeting and variable atomizing flow control system for weeding robot

Abstract

An automatic targeting and variable atomizing executor for field weeding operation is disclosed, in particular to an automatic targeting and flow precise control system that calculates the covering area of weeds and determines the position of weeds by means of machine vision and ultrasonic distance measurement. The automatic targeting and variable atomizing flow control system for a weeding robot comprises an industrial control mainboard, a USB camera, an ultrasonic sensor, a linear guide rail, a motor, an electromagnetic valve, a water pump, a variable nozzle, a pesticide storage tank, a chassis and the like. The USB camera, the industrial control mainboard and a singlechip control loop are integrated in a shell and fixed on a guide rail bracket; the ultrasonic sensor is fixed on a nozzle installation frame and moves up and down along with the nozzle installation frame; a main control system collects, analyzes and processes the image information and makes decisions and sends instructions in combination of the singlechip control loop. The invention overcomes the problems that current weeding robots cannot position weeds in special positions precisely and the like, controls the flow precisely and improves the economical efficiency and the effectiveness of pesticide used to a great extent.

Description

technical field [0001] The invention relates to the field of agricultural machinery automation, in particular to a system for automatically controlling the variable spray flow rate of a weeding robot to a target. Background technique [0002] Weeds in the field can seriously affect crop yield, and because of their uneven distribution, it is difficult to remove them precisely. At present, my country still adopts manual weeding as the main method, which is labor intensive, labor intensive and inefficient. In order to improve agricultural production capacity and production efficiency, some developed countries such as the United States and Sweden have extensively carried out research on agricultural robots and weeding robots, but they have not achieved precise positioning, nor can they control the dosage according to the density of weeds. However, the research on weeding robots in our country is still in the initial stage of exploration and research. The research on the automa...

AI Technical Summary

Problems solved by technology

However, it is mainly used for spraying pesticides on large trees, and it is difficult to remove crop weeds in the field, and it only uses monocular vision to obtain images, so it is difficult to accurately locate the weeds in the field, and the effect cannot be guaranteed

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