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Theoretical Study of Transverse Offsets of Wide Span Tractor Working Implements and Their Influence on Damage to Row Crops

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Department of Mechanics, Faculty of Design and Engineering, National University of Life and Environmental Sciences of Ukraine, Heroyiv Oborony 15, 03041 Kyiv, Ukraine
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Department of Agricultural and Environmental Science, University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy
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National Scientific Centre “Institute for Agricultural Engineering and Electrification”, Vokzalna 1, 1108631 Glevaha, Ukraine
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Department of Machine use in crop production, Mechanical and Technological Faculty, Tavria State Agrotechnological University, Khmelnytskiy av. 18, 72312 Melitopol, Zaporozhye Region, Ukraine
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Department of Machines and Production Biosystems, Faculty of Engineering, Slovak University of Agriculture in Nitra, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia
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Author to whom correspondence should be addressed.
Agriculture 2019, 9(7), 144; https://doi.org/10.3390/agriculture9070144
Received: 2 June 2019 / Revised: 23 June 2019 / Accepted: 4 July 2019 / Published: 5 July 2019
Wide span tractors have a wide transversal bar, on which different implements can be mounted, while the supporting wheels follow the set traffic-lanes. The stability of wide span tractor movement is influenced by unbroken small angular deviations and transversal displacements of the machine due to several factors. These deflections from the set trajectories affect the working implements, especially the peripheral ones, which can cut the plants if wide span tractors are used to manage row crops. In this context, it needs to consider a safeguard zone that allows to reduce the probability of contact between working implements and plants. The aim of this paper was to determine the quantitative effect of transverse displacements of the working implements and the suitable size of the aforesaid safeguard zone. The magnitude of the inner and outer displacements of the working implements depends significantly on their location in relation to the center of the wide span tractor. For working implements located outside the center of the tractor, the outer safeguard zone should be larger than the inner zone. The probability of crop damage by working implements can be reduced by automated control of wide span tractor movement. View Full-Text
Keywords: controlled traffic farming; wide span tractor; row crop damage; theoretical modeling controlled traffic farming; wide span tractor; row crop damage; theoretical modeling
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Bulgakov, V.; Pascuzzi, S.; Adamchuk, V.; Kuvachov, V.; Nozdrovicky, L. Theoretical Study of Transverse Offsets of Wide Span Tractor Working Implements and Their Influence on Damage to Row Crops. Agriculture 2019, 9, 144.

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