Harvesting Robot for Strawberry Grown on Table Top Culture. Part 1. Harvesting Robot Using 5 DOF Manipulator.

Arima, Seiichi; Kondo, Naoshi; Yagi, Yosuke; Monta, Mitsuji; Yoshida, Yuichi

doi:10.2525/jshita.13.159

Cited by 16 publications

(10 citation statements)

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“…Several research projects have examined the sensing technologies to facilitate strawberry in-season management. Arima et al (2001Arima et al ( , 2003; Cui et al (2013); Dimeas et al (2014); Feng et al (2012aFeng et al ( , 2012b; Hayashi et al (2009Hayashi et al ( , 2010aHayashi et al ( , 2010bHayashi et al ( , 2012Hayashi et al ( , 2013Hayashi et al ( , 2014a; Kim et al (2008); Kondo et al (1998Kondo et al ( , 2005; Leonard et al (2013); Nagasaki et al (2013); Rajendra et al (2009Rajendra et al ( , 2011; Saenz et al (2013); Takeshita et al (2010); Tarrio et al (2006); Yamamoto et al (2008Yamamoto et al ( , 2009Yamamoto et al ( , 2014; Xie and Zhang (2006) [a] "W," "D," "H," "TR," "S," and "P" are used to represent "weed control," "disease detection," "harvesting," "transporting," "sorting," and "packing" in the purpose category, respectively. "F" and "G" are used to indicate the working environment of robots as either "field" or "greenhouse."…”

Section: In-season Managementmentioning

confidence: 99%

“…The sharp distinction of colors between the mature strawberry fruits and other parts of the plant can facilitate the detection process. Most of the strawberry harvesting robots have used digital RGB cameras with CCD or CMOS imaging sensors to seek red color in successive image frames on-the-go [Arima et al, 2001;Tarrio et al, 2006;Guo et al, 2008;Hayashi et al, 2009Hayashi et al, , 2010aHayashi et al, , 2010bHayashi et al, , 2012Hayashi et al, , 2014aHayashi et al, , 2014b (mobile harvesting robot); Rajendra et al, 2009Rajendra et al, , 2011Takeshita et al, 2010;Feng et al, 2012aFeng et al, , 2012bCui et al, 2013]. CCD digital cameras provide high quality imagery, but they are expensive.…”

Section: Harvestingmentioning

confidence: 99%

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Review of Robotic Technology for Strawberry Production

2016

Appl. Eng. Agric

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With an increasing world population in need of food and a limited amount of land for cultivation, higher efficiency in agricultural production, especially fruits and vegetables, is increasingly required. The success of agricultural production in the marketplace depends on its quality and cost. The cost of labor for crop production, harvesting, and postharvesting operations is a major portion of the overall production cost, especially for specialty crops such as strawberry. As a result, a multitude of automation technologies involving semi-autonomous and autonomous robots have been utilized, with an aim of minimizing labor costs and operation time to achieve a considerable improvement in farming efficiency and economic performance. Research and technologies for weed control, harvesting, hauling, sorting, grading, and/or packing have been generally reviewed for fruits and vegetables, yet no review has been conducted thus far specifically for robotic technology being used in strawberry production. In this article, studies on strawberry robotics and their associated automation technologies are reviewed in terms of mechanical subsystems (e.g., traveling unit, handling unit, storage unit) and electronic subsystems (e.g., sensors, computer, communication, and control). Additionally, robotic technologies being used in different stages in strawberry production operations are reviewed. The robot designs for strawberry management are also categorized in terms of purpose and environment.

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Section: In-season Managementmentioning

confidence: 99%

Section: Harvestingmentioning

confidence: 99%

Review of Robotic Technology for Strawberry Production

2016

Appl. Eng. Agric

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“…Studies on strawberry-harvesting robots for soil culture and an elevated substrate culture were started in Japanese universities [12][13][14], while the Bio-oriented Technology Research Advancement Institution (BRAIN) and Shibuya Seiki created a prototype commercial model robot. Moreover, many types of fruits have been graded and packed by robots in packing facilities [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Automation technologies for strawberry harvesting and packing operations in Japan1

Hayashi

Yamamoto

Tsubota

et al. 2014

JBR

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This paper describes a strawberry-harvesting robot, a packing robot, and a movable bench system. The harvesting and packing operations in strawberry production require harder, more time-consuming work compared to other operations such as transplanting and chemical spraying, making automation of these tasks desirable. Since harvesting and packing operation account for half of total working hours, automation of these tasks are strongly desired. First of all, based on the findings of many studies on strawberry-harvesting robots for soil culture and elevated substrate culture, our institute of the Bio-oriented Technology Research Advancement Institution and Shibuya Seiki developed a commercial model of a strawberry-harvesting robot, which is chiefly composed a cylindrical manipulator, machine vision, an end-effector, and traveling platform. The results showed an average 54.9% harvesting success rate, 8.6 s cycle time of picking operation, and 102.5 m/h work efficiency in hanging-type growing beds in an experimental greenhouse. Secondly, a prototype automatic packing robot consisting of a supply unit and a packing unit was developed. The supply unit picks up strawberries from a harvesting container, and the packing unit sucks each fruit from calyx side and locates its orientation into a tray. Performance testing showed that automatic packing had a task success rate of 97.3%, with a process time per fruit of 7.3 s. Thirdly, a movable bench system was developed, which makes planting beds rotate in longitudinal and lateral ways. This system brought high density production and labour saving operation at a fixed position, such as crop maintenance and harvesting. By setting up the main body of a strawberry-harvesting robot on working space, unmanned operation technique was developed and tested in an experimental greenhouse. Field experiments of these new automation technologies were conducted and gave a potential of practical use.

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“…These immature fruit naturally significant hinder the robotic harvesters from picking the targeted fruit. To avoid this, inside-approach harvesting robots which pick the fruit from inside benches at the table-top culture have been studied (Arima et al 2001(Arima et al , 2003Hayashi et al 2012), and performance was improved significantly when the obstacles in front of the target fruit were reduced. However, all developed robots have a common issue: their performance drops radically when many fruit or peduncles are crowded together.…”

Section: Introductionmentioning

confidence: 99%

Development of a Stationary Robotic Strawberry Harvester with a Picking Mechanism that Approaches the Target Fruit from Below

Yamamoto

Hayashi

Yoshida

et al. 2014

JARQ

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A stationary robotic strawberry harvester, combinable with a movable bench system, was developed. Initially, the features of strawberries, such as the visibility of fruit, the picking force required, and spectral reflectance were investigated. Subsequently, a machine-vision system was constructed, comprising units to measure position and coloration respectively. Considering the visibility of strawberry fruit, these units were optimally located to detect mature fruit and estimate their coloration. White, red, and green light-emitting diodes were installed for more accurate coloration measurement. The average error was 5.4%, and its standard deviation was 10.8%. We developed an end-effector with three functions: 1) to prevent the fruit adjoining the target fruit from being touched during the approach, 2) to force adjoining fruit away from the target fruit during the picking motion, and 3) to remove peduncles from harvested fruit, as done manually. The performance test confirmed that the stationary robotic harvester outperformed the conventional robots, namely, the harvester achieved a stable high harvesting success rate of 67.1%, and was able to successfully remove the peduncles from 88.0% of the harvested fruit.

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Harvesting Robot for Strawberry Grown on Table Top Culture. Part 1. Harvesting Robot Using 5 DOF Manipulator.

Cited by 16 publications

References 0 publications

Review of Robotic Technology for Strawberry Production

Review of Robotic Technology for Strawberry Production

Automation technologies for strawberry harvesting and packing operations in Japan1

Development of a Stationary Robotic Strawberry Harvester with a Picking Mechanism that Approaches the Target Fruit from Below

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