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Analysis of the detachment of citrus fruits by vibration using artificial vision

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Analysis of the detachment of citrus fruits by vibration using artificial vision

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dc.contributor.author Torregrosa Mira, Antonio es_ES
dc.contributor.author Albert Gil, Francisco Eugenio es_ES
dc.contributor.author Aleixos Borrás, María Nuria es_ES
dc.contributor.author Ortiz Sánchez, María Coral es_ES
dc.contributor.author Blasco Ivars, José
dc.date.accessioned 2016-05-04T10:40:59Z
dc.date.available 2016-05-04T10:40:59Z
dc.date.issued 2014-03
dc.identifier.issn 1537-5110
dc.identifier.uri http://hdl.handle.net/10251/63535
dc.description.abstract The vibratory behaviour of citrus fruits is studied using slow-motion cameras in order to gain a better understanding of the parameters involved in fruit detachment when mechanical harvesting is done using shakers. Single citrus fruits with a small portion of stem were vibrated using strokes from 60 mm to 180 mm and frequencies from 3 Hz to 18 Hz. The movement was recorded at 300 fps and the main parameters considered for fruit detachment were determined through the analysis of the video sequences. Image-processing algorithms created for this purpose were applied to the automated estimation of the centroid of the fruit, the angle of the stem pistil axis, and the position of some selected points in the fruit in each frame of the video sequences to obtain dynamic parameters such as the position, speed and acceleration of the fruit during the movement until it is detached. The signals obtained from the image processing were filtered, providing results in accordance with the calibration systems. In general, results suggest that the inertial forces transmitted to the fruit were lower than the tensile forces required to detach the fruit by pulling it in the stem pistil direction. The largest peaks were observed using long strokes that required fewer cycles for detachment. On the other hand, short strokes combined with high frequencies needed more cycles, and thus a fatigue phenomenon was present. Short strokes and low frequencies were unable to detach some fruit. (C) 2014 IAgrE. Published by Elsevier Ltd. All rights reserved. es_ES
dc.description.sponsorship This work was founded by the Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA) through the projects RTA2009-00118-C02-01 and RTA2009-00118-C02-02, and co-founded by European FEDER founds. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Biosystems Engineering es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Citrus es_ES
dc.subject Mechanical harvesting es_ES
dc.subject Computer vision es_ES
dc.subject Robot es_ES
dc.subject Machine es_ES
dc.subject Shaker es_ES
dc.subject Image processing es_ES
dc.subject Slow motion es_ES
dc.subject.classification INGENIERIA AGROFORESTAL es_ES
dc.subject.classification EXPRESION GRAFICA EN LA INGENIERIA es_ES
dc.title Analysis of the detachment of citrus fruits by vibration using artificial vision es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.biosystemseng.2013.12.010
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//RTA2009-00118-C02-01/ES/RTA2009-00118-C02-01/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//RTA2009-00118-C02-02/ES/Optimización de los parámetros que afectan al desprendimiento y recogida de frutos cítricos mediante procedimientos mecánicos/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Rural y Agroalimentaria - Departament d'Enginyeria Rural i Agroalimentària es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Gráfica - Departament d'Enginyeria Gràfica es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Mecanización y Tecnología Agraria - Departament de Mecanització i Tecnologia Agrària es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Interuniversitario de Investigación en Bioingeniería y Tecnología Orientada al Ser Humano - Institut Interuniversitari d'Investigació en Bioenginyeria i Tecnologia Orientada a l'Ésser Humà es_ES
dc.description.bibliographicCitation Torregrosa Mira, A.; Albert Gil, FE.; Aleixos Borrás, MN.; Ortiz Sánchez, MC.; Blasco Ivars, J. (2014). Analysis of the detachment of citrus fruits by vibration using artificial vision. Biosystems Engineering. 119:1-12. https://doi.org/10.1016/j.biosystemseng.2013.12.010 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.biosystemseng.2013.12.010 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 12 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 119 es_ES
dc.relation.senia 254517 es_ES
dc.identifier.eissn 1537-5129
dc.contributor.funder European Regional Development Fund es_ES


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