Research Of Information Collection System And Path Planning In The Field

Precision agriculture is a new trend of modern agricultural, but the research oninformation acquisition in agricultural production and mechanics of communication isstill very poor.By comparing the main ways of information acquisition technology at thepresent stage in the field, the paper built a system of information acquisition in thefield which takes quad-rotor UAV as a carrier, it can get the field information fast andefficiently, and then transmitted the data to the computer by wireless communication,that can improve the accuracy and real-time of information acquisition of precisionagriculture.1. By contrastive analysis, the paper adopted the RF communication to be thecommunication mode of the system. Selected the nRF24L01to be the hardware ofwireless transmission, researched on the protocol and working mode of wireless RFcommunication module of nRF24L01.With the STC89C52RC scm and nRF24L01asthe core, designed the circuit of wireless communication, welded the circuit board, andwrit the communication program by Keil uVision2.2. Based on the communication circuit above, debugged the wireless of send-receive procedures, tested the communication rate, communication distance and theerror rate by the communication tests in laboratory.3. Analyzed functional model of agricultural information based on quad-rotorUAV, built the wireless transmission system of agricultural information based on quad-rotor UAV. Test the communication rate, communication distance and the error rate ofthe system. Used the temperature and humidity sensors to provide real-time data forthe system, tested the performance of the system by flight test in the field.4. Modeled and analyzed the route planning of the quad-rotor UAV in the field,researched on the simulated annealing algorithm and tabu search algorithm in route planning, simulated that two algorithms by Matlab, analyzed and discussed thesimulation results.