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Naslov:Programmable ultrasonic sensing system for targeted spraying in orchards
Avtorji:Stajnko, Denis (Avtor)
Berk, Peter (Avtor)
Lešnik, Mario (Avtor)
Jejčič, Viktor (Avtor)
Lakota, Miran (Avtor)
Štrancar, Andrej (Avtor)
Hočevar, Marko (Avtor)
Rakun, Jurij (Avtor)
Datoteke:.pdf Sensors_2012_Stajnko_et_al._Programmable_Ultrasonic_Sensing_System_for_Targeted_Spraying_in_Orchards.pdf (890,30 KB)
 
URL http://www.mdpi.com/1424-8220/12/11/15500/
 
Jezik:Angleški jezik
Vrsta gradiva:Znanstveno delo (r2)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FKBV - Fakulteta za kmetijstvo in biosistemske vede
Opis:This research demonstrates the basic elements of a prototype automated orchard sprayer which delivers pesticide spray selectively with respect to the characteristics of the targets. The density of an apple tree canopy was detected by PROWAVE 400EP250 ultrasound sensors controlled by a Cypress PSOC CY8C29466 microcontroller. The ultrasound signal was processed with an embedded computer built around a LPC1343 microcontroller and fed in real time to electro-magnetic valves which open/close spraying nozzles in relation to the canopy structure. The analysis focuses on the detection of appropriate thresholds on 15 cm ultrasound bands, which correspond to maximal response to tree density, and this was selected for accurate spraying guidance. Evaluationof the system was performed in an apple orchard by detecting deposits of tartrazine dye (TD) on apple leaves. The employment of programmable microcontrollers and electro-magnetic valves decreased the amountof spray delivered by up to 48.15%. In contrast, the reduction of TD wasonly up to 37.7% at some positions within the tree crown and 65.1% in the gaps between trees. For all these reasons, this concept of precise orchard spraying can contribute to a reduction of costs and environmental pollution, while obtaining similar or even better leaf deposits.
Ključne besede:air-assisted sprayer, ultrasound, algorithm, programmable, microcontroller, spray distribution, orchard
Leto izida:2012
Št. strani:str. 15500-15519
Številčenje:št. 11, Letn. 12
ISSN:1424-8220
UDK:636.348:004.9:634.1
COBISS_ID:3424812 Povezava se odpre v novem oknu
DOI:10.3390/s121115500 Povezava se odpre v novem oknu
ISSN pri članku:1424-8220
Licenca:CC BY 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva 4.0 Mednarodna
Število ogledov:351
Število prenosov:37
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Gradivo je del revije

Naslov:Sensors
Skrajšan naslov:Sensors
Založnik:MDPI
ISSN:1424-8220
COBISS.SI-ID:10176278 Novo okno

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:pršilnik z zračnim tokom, ultrazvok, algoritem, mikrokrmilnik, distribucija pršila, sadovnjak


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