Vibration Mode for Effective Mechanical Harvesting of Shengy Olive

The main aim of this study was to optimize the design parameters of the fruit shakers for efficient harvesting of Shengy olive. A single-degree-of-freedom spring-mass model was established to determine the natural frequency and damping coefficient of the limb. A tractor-mounted shaker that transmits...

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Autores principales:	H Golpira, M Loghavi
Formato:	article
Lenguaje:	EN FA
Publicado:	Ferdowsi University of Mashhad 2022
Materias:	fruit harvester forced vibration limb shaker mathematical modeling natural frequency Agriculture (General) S1-972 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/6aaf2662ea974fb1bdc50c27f4704466
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id	oai:doaj.org-article:6aaf2662ea974fb1bdc50c27f4704466
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spelling	oai:doaj.org-article:6aaf2662ea974fb1bdc50c27f47044662021-11-29T06:32:46ZVibration Mode for Effective Mechanical Harvesting of Shengy Olive2228-68292423-394310.22067/jam.2021.58671.0https://doaj.org/article/6aaf2662ea974fb1bdc50c27f47044662022-03-01T00:00:00Zhttps://jame.um.ac.ir/article_40128_45accca305fec965741332160fa08ea6.pdfhttps://doaj.org/toc/2228-6829https://doaj.org/toc/2423-3943The main aim of this study was to optimize the design parameters of the fruit shakers for efficient harvesting of Shengy olive. A single-degree-of-freedom spring-mass model was established to determine the natural frequency and damping coefficient of the limb. A tractor-mounted shaker that transmits vibration to limbs and fruits via a reciprocating mechanism was fabricated for field evaluation of the forced vibration modes. A 3×4 factorial experiment with a completely randomized design was conducted to investigate the effects of shaking amplitudes and frequencies on fruit removal. The shaking mode with a frequency of 10 Hz and amplitude of 80 mm transmitted the average power of 92 W to remove 95% of fruits in the field trial. This oscillation characteristic should be used to redesign the fruit shakers to pass human safety standards and efficient harvesting.H GolpiraM LoghaviFerdowsi University of Mashhadarticlefruit harvesterforced vibrationlimb shakermathematical modelingnatural frequencyAgriculture (General)S1-972Engineering (General). Civil engineering (General)TA1-2040ENFAJournal of Agricultural Machinery, Vol 12, Iss 1, Pp 33-41 (2022)
institution	DOAJ
collection	DOAJ
language	EN FA
topic	fruit harvester forced vibration limb shaker mathematical modeling natural frequency Agriculture (General) S1-972 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	fruit harvester forced vibration limb shaker mathematical modeling natural frequency Agriculture (General) S1-972 Engineering (General). Civil engineering (General) TA1-2040 H Golpira M Loghavi Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
description	The main aim of this study was to optimize the design parameters of the fruit shakers for efficient harvesting of Shengy olive. A single-degree-of-freedom spring-mass model was established to determine the natural frequency and damping coefficient of the limb. A tractor-mounted shaker that transmits vibration to limbs and fruits via a reciprocating mechanism was fabricated for field evaluation of the forced vibration modes. A 3×4 factorial experiment with a completely randomized design was conducted to investigate the effects of shaking amplitudes and frequencies on fruit removal. The shaking mode with a frequency of 10 Hz and amplitude of 80 mm transmitted the average power of 92 W to remove 95% of fruits in the field trial. This oscillation characteristic should be used to redesign the fruit shakers to pass human safety standards and efficient harvesting.
format	article
author	H Golpira M Loghavi
author_facet	H Golpira M Loghavi
author_sort	H Golpira
title	Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
title_short	Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
title_full	Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
title_fullStr	Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
title_full_unstemmed	Vibration Mode for Effective Mechanical Harvesting of Shengy Olive
title_sort	vibration mode for effective mechanical harvesting of shengy olive
publisher	Ferdowsi University of Mashhad
publishDate	2022
url	https://doaj.org/article/6aaf2662ea974fb1bdc50c27f4704466
work_keys_str_mv	AT hgolpira vibrationmodeforeffectivemechanicalharvestingofshengyolive AT mloghavi vibrationmodeforeffectivemechanicalharvestingofshengyolive
_version_	1718407529921249280

Vibration Mode for Effective Mechanical Harvesting of Shengy Olive

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