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Development of a Modified Method for Measuring the Actual Draft Force Using a Tractor-Attached Dynamometer

Author

Listed:
  • Hyo-Geol Kim

    (TYM Co., Ltd., Seoul 06053, Republic of Korea)

  • Jin-Woong Lee

    (Specialized Machinery and Robotics Group, Korea Institute of Industrial Technology, Gimje 54325, Republic of Korea)

  • Su-Chul Kim

    (Department of Industrial Machinery DX, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea)

  • Jooseon Oh

    (Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
    BK21 Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju 61186, Republic of Korea)

  • Sung-Bo Shim

    (Department of Bio-Industrial Machinery Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
    Smart Agri Innovation Center, Kyungpook National University, Daegu 41566, Republic of Korea
    Upland Field Machinery Research Center, Kyungpook National University, Daegu 41566, Republic of Korea)

Abstract

In this study, crank-locker kinematic equations were used to analyze the three-point hitch behavior when the dynamometer was connected to the work machine. The dynamometer was statically tested with a hydraulic actuator, and the accuracy of the three-way force and the moment was confirmed to be 96–99%. The calibrated dynamometer was put to the test on a real farm field, and data were collected using a data acquisition system. Using the transport pitch correction equation, the collected data can be transformed into more realistic data. International standards were used to determine the point of connection between the tractor, dynamometer, and implement. The results of this study made it possible to accurately measure force and moment, which will have an important role in future agricultural technologies such as autonomous agricultural operation.

Suggested Citation

  • Hyo-Geol Kim & Jin-Woong Lee & Su-Chul Kim & Jooseon Oh & Sung-Bo Shim, 2024. "Development of a Modified Method for Measuring the Actual Draft Force Using a Tractor-Attached Dynamometer," Agriculture, MDPI, vol. 14(4), pages 1-11, March.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:4:p:544-:d:1366619
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