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Haobo Jiao, Juming Luo, Aifei Tang, Lihong Wang, Chen Ma, Yaping Li and Chengsong Li
The amplitude of excitation force from exciters used in fruit tree vibration harvesting remains constant at a given frequency, leading to poor fruit detachment ratio and tree damage. A solution has been proposed through the development of a Double-Symmet...
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Xing Chen, Weizu Wang, Chaowei Huang, Yanfei Wang, Han Fu and Jun Li
A high-speed camera was applied to observe the shaking detachment tests with ?Guiwei? litchi clusters using 7 Hz, 9.5 Hz, and 12 Hz and the amplitudes of 40 mm, 60 mm, and 80 mm. The fruit?s detachment time and the number of fruit?fruit impacts were affe...
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Jean Marie Vianney Nsabiyumva, Ciro Apollonio, Giulio Castelli, Andrea Petroselli, Mohamed Sabir and Federico Preti
In the last decades, the Rif area in Morocco has been frequently affected by soil erosion due to intense rainfall events. In order to help farmers improve their lives and avoid damages caused by this phenomenon, a management project (the MCA Project) aim...
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Eleni Vrochidou, Viktoria Nikoleta Tsakalidou, Ioannis Kalathas, Theodoros Gkrimpizis, Theodore Pachidis and Vassilis G. Kaburlasos
In recent years, the agricultural sector has turned to robotic automation to deal with the growing demand for food. Harvesting fruits and vegetables is the most labor-intensive and time-consuming among the main agricultural tasks. However, seasonal labor...
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Fumiomi Takeda, Wei Q. Yang, Changying Li, Andris Freivalds, Kiseok Sung, Rui Xu, Bo Hu, Jeffrey Williamson and Steven Sargent
The growth of the blueberry industry in the past three decades has been remarkably robust. However, a labor shortage for hand harvesting, increasingly higher labor costs, and low harvest efficiencies are becoming bottlenecks for sustainable development o...
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Geice Paula Villibor, Fábio Lúcio Santos, Daniel Marçal de Queiroz, Joseph Kalil Khoury Júnior, Francisco de Assis de Carvalho Pinto
Pág. 41 - 48
Detachment of coffee fruit is usually accomplished by means of mechanical impacts and vibrations applied to the plant. Modal properties of the coffee fruit-stem system represent important information for efficient and selective harvesting. This study aim...
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Fábio Lúcio Santos, Daniel Marçal de Queiroz, Domingos Sárvio Magalhães Valente, André Luiz de Freitas Coelho
Pág. 11 - 17
Mechanical harvesting can be considered an important factor to reduce the costs in coffee production and to improve the quality of the final product. Coffee harvesting machinery uses mechanical vibrations to accomplish the harvesting. Therefore, the dete...
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