Variable Rate Control System Designed for Spinner Disc Fertilizer Spreader – “Pre Fer”
Sistem kontrole promenljivih normi za diskosni rasipač đubriva – “PreFer”
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Author
Behic Tekin, Arif
Okyay Sındır, Kamil
Keywords
precision agriculturespinner disc fertilizer spreader
variable rate fertilizer application
precizna poljoprivreda
diskosni rasipač đubriva
promenljive norme đubrenja
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The objectives of this study were: development of fertilizer rate control system which allows applying of granular fertilizer at variable rates, adopting it into a commercial granular fertilizer spreader, and then investigation and evaluation of its performances. A control program in C++ software environment, using the Raisonance 8051 IDE tool was developed. The system was tested in laboratory conditions. Each of rollers released fertilizers almost equally at different application rates. The system can easily be attached to local made spreaders with some mechanical modification. Further tests are needed to verify systems performance in field conditions. Ciljevi ove studije bili su: razvoj sistema kontrole norme đubrenja koji omogućava primenu granuliranog đubriva sa promenljivim normama đubrenja, njegovu primenu sa komercijalnim rasipačem granuliranog đubriva i zatim ispitivanje i ocena njegovih performansi. Razvijen je program kontrole u C++ softverskom okruženju, koristeći alat Raisonance 8051 IDE. Sistem je testiran u laboratorijskim uslovima. Svaki od valjaka je pri različitim normama aplikacije skoro podjednako oslobađao đubrivo. Sistem se može lako ugraditi na lokalno pravljene rasipače uz neke mehaničke modifikacije. Dalja ispitivanja su potrebna da bi se potvrdile performanse sistema u poljskim uslovima.