Results 31 to 40 of about 29,443 (297)

Design and Prototyping of an Interchangeable and Underactuated Tool for Automatic Harvesting

Robotics, 2022
In the field of precision agriculture, the automation of sampling and harvesting operations plays a central role to expand the possible application scenarios. Within this context, this work presents the design and prototyping of a novel underactuated tool for the harvesting of autonomous grapevines.
Giuseppe Quaglia, Luigi Tagliavini, Giovanni Colucci, Ardit Vorfi, Andrea Botta, Lorenzo Baglieri   +5 more
openaire   +2 more sources

Target path setting method of root cutting blades for an automatic harvester for soft leaf vegetables and its verification by field tests

Nihon Kikai Gakkai ronbunshu, 2016
The present paper discusses on an automatic spinach harvester with a root cutting blade whose position and angle are automatically controlled. The position control of the blade is performed with a mechanism controlling the arm length and the angle ...
Tatsuya YAMAGUCHI, Yuichi CHIDA, Akihiro FUJISAWA   +2 more
doaj   +1 more source

Cut-Edge Detection Method for Rice Harvesting Based on Machine Vision

Agronomy, 2020
A cut-edge detection method based on machine vision was developed for obtaining the navigation path of a combine harvester. First, the Cr component in the YCbCr color model was selected as the grayscale feature factor.
Zhenqian Zhang, Ruyue Cao, Cheng Peng, Renjie Liu, Yifan Sun, Man Zhang, Han Li   +6 more
doaj   +1 more source

Cassava stalk detection for a cassava harvesting robot based on YOLO v4 and Mask R-CNN

Journal of Agricultural Engineering, 2023
The quality of fresh cassava roots can be increased through the use of precision equipment. As a first step towards developing an automatic cassava root cutting system, this study demonstrates the use of a computer vision system with deep learning for ...
Thanaporn Singhpoo, Khwantri Saengprachatanarug, Seree Wongpichet, Jetsada Posom, Kanda Runapongsa Saikaew   +4 more
doaj   +1 more source

A MONOCULAR CAMERA-BASED ALGORITHM FOR SUGAR BEET CROP ROW EXTRACTION [PDF]

Engenharia Agrícola
In order to realise automatic row alignment for sugar beet harvesting, and to improve the efficiency of sugar beet combine harvesters, it is essential to be able to detect the positions of sugar beet rows.
Jianguo Meng, Weidong Xian, Fangxu Li, Zheng Li, Jianjun Li   +4 more
doaj   +1 more source

Design of a Machine Vision-Based Automatic Digging Depth Control System for Garlic Combine Harvester

Agriculture, 2022
The digging depth is an important factor affecting the mechanized garlic harvesting quality. At present, the digging depth of the garlic combine harvester (GCH) is adjusted manually, which leads to disadvantages such as slow response, poor accuracy, and ...
Anlan Ding, Baoliang Peng, Ke Yang, Yanhua Zhang, Xiaoxuan Yang, Xiuguo Zou, Zhangqing Zhu   +6 more
doaj   +1 more source

Heading Estimation of Robot Combine Harvesters during Turning Maneuveres

Sensors, 2018
Absolute heading is an important parameter for a robot combine harvester or a robot tracked combine harvester, especially while it is turning, but due to the rapid turning of robot combine harvesters, its inertial measurement unit gives a gyro ...
Md Mostafizar Rahman, Kazunobu Ishii
doaj   +1 more source

Impacts of Automatic and Parallel Driving Systems on the Productivity of Machine-Tractor Units in the Northern Region of the Republic of Kazachstan

Acta Technologica Agriculturae, 2021
Precision farming systems are being intensively introduced into the agricultural production of the Republic of Kazakhstan. According to developers and dealers, precision farming can reduce the cost of fertilizers, seeds, PPA, fuel and lubricants by 20 ...
Polishchuk Yurij Vladimirovich, Astafyev Vladimir Leonidovich, Derepaskin Alexey Ivanovich, Kostyuchenkov Nikolay Vladimirovich, Laptev Nikolay Vladimirovich, Komarov Artem Pavlovich   +5 more
doaj   +1 more source

Automatic Weight Estimation of Harvested Fish from Images [PDF]

2019 Digital Image Computing: Techniques and Applications (DICTA), 2019
Approximately 2,500 weights and corresponding images of harvested Lates calcarifer (Asian seabass or barramundi) were collected at three different locations in Queensland, Australia. Two instances of the LinkNet-34 segmentation Convolutional Neural Network (CNN) were trained.
Dmitry A. Konovalov, Alzayat Saleh, Dina B. Efremova, Jose A. Domingos, Dean R. Jerry   +4 more
openaire   +2 more sources

Reduction in adverse environmental impacts associated with the operation of combine harvesters during the harvesting of winter oilseed rape

Journal of Environmental Engineering and Landscape Management, 2019
When harvesting winter oilseed rape (WOSR), leaving higher (~0.3–0.4 m) crop stubble is an effective method of reducing fuel consumption and contaminant emissions of a combine harvester equipped with the tangential threshing apparatus and straw walkers ...
Liudvikas Špokas, Dainius Steponavičius, Gediminas Žebrauskas, Aušra Čiplienė, Laimis Bauša   +4 more
doaj   +1 more source