Real time fuzzy logic system for continuous control solenoid valve in the process of applying the plant protection product
2015
Berk, Peter (Faculty of Agriculture and Life Sciences, Hoce (Slovenia)) | Stajnko, Denis (Faculty of Agriculture and Life Sciences, Hoce (Slovenia)) | Lakota, Miran (Faculty of Agriculture and Life Sciences, Hoce (Slovenia)) | Belšak, Aleš (Faculty of Mechanical Engineering, Maribor (Slovenia))
In the area of spray technique complex dynamic systems are very often faced with nonlinear or time-variable behavior. Therefore, such a process is difficult to determine in the model, since it can be inaccurate and therefore useless. So we decided in our application for real time fuzzy logic system, by which we can proportional controlled a process of applying plant protection product (PPP). The real time fuzzy logic system was realized with the HP laptop 6830s Compaque NA779ES, software Matlab/Simulink R2013b, fuzzy logic tool FIS (Fuzzy Inference System), proportional solenoid valve, ultrasonic measurement system and Lechler nozzle. With the help of fuzzy logic system for control consumption amounts process of PPP was found, that we can reduce the quantitative use of PPP, through the solenoid proportional control valve in the range of 0 to 100%, depending on the intensity of the reflected signal from canopy of the tree.
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