줄 꼬임 구동을 이용한 수확용 그리퍼의 줄기 절단 장치 설계 및 검증
The Design and Evaluation of The Stem-cutting Device of Harvesting Gripper Using Twisted String Actuation System
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초록
This paper presents a novel stem-cutting device using a twisted string actuation system combined with the cinch bag-typed gripper proposed in previous research. The suggested cutting device was developed to cut the stem of a tomato using two motors. The relationship between contact time and motor angle was mathematically induced, and the contacting time was verified through the experiments. The contact time has decreased as the offset of each pair of strings at the disk increases. The contact time and its deviation were reduced by increasing the radius of the twisted string bundle, and the motor torque to exert an equivalent cutting force was surged at the same time. The proposed cutting mechanism with 16 strands of twisted string bundle and 40 mm of offset can cut the given tomato stems and stalks, exerting up to 132.4 N of cutting force in 4.6 to 6.5seconds.
Abstract
This paper presents a novel stem-cutting device using a twisted string actuation system combined with the cinch bag-typed gripper proposed in previous research. The suggested cutting device was developed to cut the stem of a tomato using two motors. The relationship between contact time and motor angle was mathematically induced, and the contacting time was verified through the experiments. The contact time has decreased as the offset of each pair of strings at the disk increases. The contact time and its deviation were reduced by increasing the radius of the twisted string bundle, and the motor torque to exert an equivalent cutting force was surged at the same time. The proposed cutting mechanism with 16 strands of twisted string bundle and 40 mm of offset can cut the given tomato stems and stalks, exerting up to 132.4 N of cutting force in 4.6 to 6.5seconds.
참고문헌 (18)
- E. Navas, "A Design Criterion Based on Shear Energy Consumption for Robotic Harvesting Tools", Agronomy, 10(5), pp.734~ (2020)[DOI]
- Y. Nagasaka, "Autonomous Guidance for Rice Transplanting Using Global Positioning and Gyroscopes", Computers and Electronics in Agriculture, 43(3), pp.223~234 (2004)[DOI]
- M. Iida, "Advanced Harvesting System by Using a Combine Robot", IFAC Proceedings, 46(4), pp.40~44 (2013)
- S. Y. Moon, "An Adaptive Soft Gripper for Fruit Harvesting", Journal of Institute of Control, Robotics and Systems, 28(7), pp.664~670 (2022)[DOI]
- S. J. Byun, "Harvesting End-Effector to Minimize Length of Remaining Stem on Fruit by Stem-Cutting with Hook", Journal of Institute of Control, Robotics and Systems, 28(10), pp.926~931 (2022)[DOI]
- Y. Xiong, "Development and field evaluation of a strawberry harvesting robot with a cable-driven gripper", Computers and Electronics in Agriculture, 157, pp.392~402 (2019)[DOI]
- S. Hayashi, "Evaluation of a strawberryharvesting robot in a field test", Biosystems Engineering, 105(2), pp.160~171 (2009)[DOI]
- S. Choi, "Design and Evaluation of a Cinch Bag Typed Robotic Gripper for Fruit Harvesting", Journal of Korea Robotics Society, 18(1), pp.99~109 (2023)[DOI]
- B. Z. Jia, "Integrated Gripper and Cutter in a Mobile Manipulation Robotic System for Harvesting Greenhouse Products", M.S, pp.2009
- S. Choi, "Design of a Stem Cutting Mechanism using Twisted String Actuation for a Fruit Harvesting Gripper", ICROS Annual Conference 2023, pp.399~400 (2023)
- J. Jun, "Towards an Efficient Tomato Harvesting Robot : 3D Perception, Manipulation, and End-effector", IEEE Access, 9, pp.17631~17640 (2021)[DOI]
- J. Liu, "Analysis and Experiment on laser cutting of Fruit Peduncles", Transactions of the Chinese Society for Agricultural Machinery, 45(1), pp.59~64 (2014)[DOI]
- J. Rong, "Development and Evaluation of a Watermelon-Harvesting Robot Prototype : Vision System and End-Effector", Agronomy, 12(11), pp.2863~ (2022)[DOI]
- I. Gaponov, "Twisted String Actuation Systems : A Study of the Mathematical Model and a Comparison of Twisted Strings", IEEE Transactions on Mechatronics, 19(4), pp.1331~1342 (2014)[DOI]
- H. Singh, "Twisted String-based Passively Variable Transmission : Concept, Model, and Evaluation", Mechanism and Machine Theory, 100, pp.205~221 (2016)[DOI]
- "High Quality Super Power Braided Line (8strands)"[URL]
- "DS Series Tensile Spring (6565)"[URL]
- "XM430-W350"[URL]