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Parameter Study for Establishing a Synchronizer Control Strategy in Tractor Dual-Clutch Transmission

Author

Listed:
  • Seo-Jung Byeon

    (Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
    Specialized Machinery and Robotics Group, Korea Institute of Industrial Technology, Gimje 54325, Republic of Korea)

  • Seong-Jun Kim

    (Department of Bio-Industrial Machinery Engineering, Gyeongsang National University, Jinju 52828, Republic of Korea)

  • Jin-Kam Park

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

  • Young-Jun Park

    (Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
    Convergence Major in Global Smart Farm, Seoul National University, Seoul 08826, Republic of Korea
    Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea)

  • Jin-Woong Lee

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

Abstract

Research on dual-clutch transmissions in agricultural tractors is on the rise. Dual-clutch transmissions provide a smooth driving experience and easy operation compared to manual transmissions, as they eliminate power interruptions. Accordingly, there is ongoing research to improve the conventional synchronizer pre-selection method. The study introduces a new control strategy to enhance shifting quality by focusing on shift force and timing. Specifically, the goal is to optimize the impact of pre-selection-induced shock and delayed shift time, minimizing discomfort for the driver. According to the experimental results, it was determined that factors influencing the impact of preselect engagement on gear shift shock were absent, while factors capable of affecting shift time were identified in the form of shift force. However, it was concluded that optimizing shift force and shift timing based on the number of shifts can enhance the quality of gear shifting. Even during preselect disengagement, the factor influencing gear shift shock was identified as the shift timing, with no discernible factor affecting shift time. Nevertheless, it was judged that optimizing shift force and shift timing based on the number of shifts can lead to an improvement in gear shifting quality. In conclusion, the control strategy determined through the parameter study is expected to improve the shifting quality of tractors equipped with dual-clutch transmission. These findings have the potential to support efficient and convenient tractor operation in the agricultural sector.

Suggested Citation

  • Seo-Jung Byeon & Seong-Jun Kim & Jin-Kam Park & Young-Jun Park & Jin-Woong Lee, 2024. "Parameter Study for Establishing a Synchronizer Control Strategy in Tractor Dual-Clutch Transmission," Agriculture, MDPI, vol. 14(2), pages 1-34, January.
  • Handle: RePEc:gam:jagris:v:14:y:2024:i:2:p:218-:d:1328976
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    References listed on IDEAS

    as
    1. Hyoung-Jong Ahn & Young-Jun Park & Su-Chul Kim & Chanho Choi, 2023. "Theoretical Calculations and Experimental Studies of Power Loss in Dual-Clutch Transmission of Agricultural Tractors," Agriculture, MDPI, vol. 13(6), pages 1-16, June.
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