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Modeling and Simulation of Reel Motion in a Foxtail Millet Combine Harvester

Author

Listed:
  • Zhenwei Liang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Jia Liu

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Deyong Yang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Kangcheng Ouyang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

Abstract

Due to the high plant height, heavy ear, and easy forward tilt of millet during harvesting, the reel of a traditional combine harvester is often difficult to adapt to the special growth characteristics of millet, resulting in serious grain loss. Therefore, optimizing the design of the reel is important to improve the harvesting efficiency of millet and reduce the grain header loss. In order to determine the optimal reel speed ratio(λ), kinematics simulation experiments and analysis were carried out under different combinations of forward speed and reel revolution speed. The results showed that the supporting effect of the reel is insufficient when λ ≤ 1, and the trochoidal trajectory of the reel can provide a backward driving force when λ > 1, the optimum speed ratio of the reel should be controlled between 1.5 and 1.6. Field experiments results showed that the grain header loss rate was the lowest (0.9%) when λ = 1.6. This study provides key guidance for the adjustment of the combine harvester, effectively reducing the grain header loss rate in harvesting millet, and improving the harvesting efficiency.

Suggested Citation

  • Zhenwei Liang & Jia Liu & Deyong Yang & Kangcheng Ouyang, 2024. "Modeling and Simulation of Reel Motion in a Foxtail Millet Combine Harvester," Agriculture, MDPI, vol. 15(1), pages 1-16, December.
    • Handle: RePEc:gam:jagris:v:15:y:2024:i:1:p:19-:d:1552900
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    References listed on IDEAS

    as
    1. Fazheng Wang & Yanbin Liu & Yaoming Li & Kuizhou Ji, 2023. "Research and Experiment on Variable-Diameter Threshing Drum with Movable Radial Plates for Combine Harvester," Agriculture, MDPI, vol. 13(8), pages 1-16, July.
    2. Zheng Ma & Zelin Zhang & Zhaohui Zhang & Zhiqiang Song & Yanbin Liu & Yaoming Li & Lizhang Xu, 2023. "Durable Testing and Analysis of a Cleaning Sieve Based on Vibration and Strain Signals," Agriculture, MDPI, vol. 13(12), pages 1-22, December.
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    4. Tao Zhang & Yaoming Li & Guoliang You, 2023. "Experimental Study on the Cleaning Performance of Hot Air Flow Cleaning Device," Agriculture, MDPI, vol. 13(9), pages 1-17, September.
    5. Min Zhang & Gang Li & Yao Yang & Mei Jin & Tao Jiang, 2023. "Design and Parameter Optimization of Variable Speed Reel for Oilseed Rape Combine Harvester," Agriculture, MDPI, vol. 13(8), pages 1-13, July.
    6. Zhao Xue & Jun Fu & Qiankun Fu & Xiaokang Li & Zhi Chen, 2023. "Modeling and Optimizing the Performance of Green Forage Maize Harvester Header Using a Combined Response Surface Methodology–Artificial Neural Network Approach," Agriculture, MDPI, vol. 13(10), pages 1-16, September.
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