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Development of EV Crawler-Type Weeding Robot for Organic Onion

Author

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  • Liangliang Yang

    (Laboratory of Bio-Mechatronics, Faculty of Engineering, Kitami Institute of Technology, Koentyo 165, Kitami Shi 090-8507, Japan
    These authors contributed equally to this work.)

  • Sota Kamata

    (Laboratory of Bio-Mechatronics, Faculty of Engineering, Kitami Institute of Technology, Koentyo 165, Kitami Shi 090-8507, Japan
    These authors contributed equally to this work.)

  • Yohei Hoshino

    (Laboratory of Bio-Mechatronics, Faculty of Engineering, Kitami Institute of Technology, Koentyo 165, Kitami Shi 090-8507, Japan)

  • Yufei Liu

    (College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China)

  • Chiaki Tomioka

    (Laboratory of Bio-Mechatronics, Faculty of Engineering, Kitami Institute of Technology, Koentyo 165, Kitami Shi 090-8507, Japan)

Abstract

The decline in the number of essential farmers has become a significant issue in Japanese agriculture. In response, there is increasing interest in the electrification and automation of agricultural machinery, particularly in relation to the United Nations Sustainable Development Goals (SDGs). This study focuses on the development of an electric vehicle (EV) crawler-type robot designed for weed cultivation operations, with the aim of reducing herbicide use in organic onion farming. Weed cultivation requires precise, delicate operations over extended periods, making it a physically and mentally demanding task. To alleviate the labor burden associated with weeding, we employed a color camera to capture crop images and used artificial intelligence (AI) to identify crop rows. An automated system was developed in which the EV crawler followed the identified crop rows. The recognition data were transmitted to a control PC, which directed the crawler’s movements via motor drivers equipped with Controller Area Network (CAN) communication. Based on the crop row recognition results, the system adjusted motor speed differentials, enabling the EV crawler to follow the crop rows with a high precision. Field experiments demonstrated the effectiveness of the system, with automated operations maintaining a lateral deviation of ±2.3 cm, compared to a maximum error of ±10 cm in manual operation. These results indicate that the automation system provides a greater accuracy and is suitable for weed cultivation tasks in organic farming.

Suggested Citation

  • Liangliang Yang & Sota Kamata & Yohei Hoshino & Yufei Liu & Chiaki Tomioka, 2024. "Development of EV Crawler-Type Weeding Robot for Organic Onion," Agriculture, MDPI, vol. 15(1), pages 1-21, December.
    • Handle: RePEc:gam:jagris:v:15:y:2024:i:1:p:2-:d:1551406
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    References listed on IDEAS

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    2. Ranbing Yang & Yuming Zhai & Jian Zhang & Huan Zhang & Guangbo Tian & Jian Zhang & Peichen Huang & Lin Li, 2022. "Potato Visual Navigation Line Detection Based on Deep Learning and Feature Midpoint Adaptation," Agriculture, MDPI, vol. 12(9), pages 1-17, September.
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