A NEW PRINCIPLE FOR MEASURING GEOMETRICAL PARAMETERS OF FRUITS, CUTTINGS AND NURSLINGS
Abstract
There are shown shortcomings of the existing means for measuring geometrical parameters of transverse cross-sections of fruits, tree-shaped nurslings, and rooted cuttings of horticultural crops in the commercial horticulture processes. Results are given from an analysis of methods and means for measuring parameters of traverse cross-sections of such objects used throughout the world. There are suggested algorithms to determine geometrical parameters of transverse cross-sections of tree-shaped nurslings and cuttings by scanning their contours with a distance sensor. By way of example of an ellipse was carried out an estimation of method errors, while replacing the actual complex configuration of a cross-section by the sum of simple geometrical figures. The suggested algorithms for determining geometrical parameters of the transverse cross-section of a tree-shaped nursling by scanning its contour with a distance sensor make it possible to develop a contact-free measurement means with low inaccuracy and rather high performance. There were set the following metrological characteristics: limits of systematic component of basic relative error of measuring geometricalparameters of the transverse cross-section of a tree-shaped nursling of ±0.5%; limit of mean-square deviation of random component of basic relative error of measuring geometrical parameters of the transverse cross-section of a tree-shaped nursling of 0.06%. The measurement cycle time made up 2 c.
About the Authors
A. F. ALEYNIKOV
Siberian Physical-Technical Institute of Agrarian Problems, SFSCA RAS;
Novosibirsk State Technical University
Russian Federation
Russian Federation
Krasnoobsk, Novosibirsk Region, 630501, Russia
20, Karl Marx Ave, Novosibirsk, 630073, Russia
Doctor of Science in Engineering, Head Researcher
V. V. MINEYEV
Siberian Physical-Technical Institute of Agrarian Problems, SFSCA RAS
Russian Federation
Russian Federation
Krasnoobsk, Novosibirsk Region, 630501, Russia
Senior ResearcherO. V. ELKIN
Siberian Physical-Technical Institute of Agrarian Problems, SFSCA RAS
Russian Federation
Russian Federation
Krasnoobsk, Novosibirsk Region, 630501, Russia
Candidate of Science in Engineering, Lead ResearcherReferences
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Review
For citations:
ALEYNIKOV A.F., MINEYEV V.V., ELKIN O.V. A NEW PRINCIPLE FOR MEASURING GEOMETRICAL PARAMETERS OF FRUITS, CUTTINGS AND NURSLINGS. Siberian Herald of Agricultural Science. 2017;47(4):73-81. (In Russ.)
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