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Simulation and Experimental Study of a Split High-Speed Precision Seeding System

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  • Bo Lu

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Xinjiang Production and Construction Corps, Key Laboratory of Modern Agricultural Machinery, Shihezi 832000, China)

  • Xiangdong Ni

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Xinjiang Production and Construction Corps, Key Laboratory of Modern Agricultural Machinery, Shihezi 832000, China)

  • Shufeng Li

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China
    Xinjiang Production and Construction Corps, Key Laboratory of Modern Agricultural Machinery, Shihezi 832000, China)

  • Kezhi Li

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China)

  • Qingzheng Qi

    (College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832003, China)

Abstract

According to the agronomic requirements of cotton precision seeding, the researchers designed a split seeding system to achieve high-speed precision seeding on the membrane. The 3D models used in the simulation process were created using Solidworks. They used the built-in Flow Simulation plug-in in SolidWorks to simulate the flow field in the drum and to grasp the air velocity and pressure changes. The CFD-DEM (computational fluid dynamics and discrete element method) coupling method was used to simulate the positive pressure airflow to transport the seeds, so as to grasp the movement of the seeds in the seed tube. EDEM (engineering discrete element modeling) was used to simulate the seeding process of the hole seeder, to understand the movement speed and trajectory of the seeds inside the hole seeder, and to analyze the reasons for missed seeding and reseeding. A three-factor, five-stage quadratic rotation orthogonal combination test was designed using Design-expert 13.0 software. This test evaluates the performance of a split seeding system by establishing a response surface for the seed rate, using the hole seeder speed, negative pressure, and hole diameter as test factors. The optimal parameter combination is obtained by optimizing the regression equation, which is further verified by bench tests. Under the hole seeding speed of 47.98 r/min, the negative pressure of 1.96 kPa and the hole diameter of 3.5 mm, the precision seeding system achieved a single seed rate of 90.9% and a missed seed rate of 4.3%. The verification test results are consistent with the optimization results, which meet the agronomic requirements of high-speed precision film seeding. This research provides a better technical solution for the application development of a precision seeder.

Suggested Citation

  • Bo Lu & Xiangdong Ni & Shufeng Li & Kezhi Li & Qingzheng Qi, 2022. "Simulation and Experimental Study of a Split High-Speed Precision Seeding System," Agriculture, MDPI, vol. 12(7), pages 1-22, July.
  • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:1037-:d:864088
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    References listed on IDEAS

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    1. Huiping Guo & Yazhou Cao & Wenyuan Song & Jiao Zhang & Changlin Wang & Chensi Wang & Fuzeng Yang & Lin Zhu, 2021. "Design and Simulation of a Garlic Seed Metering Mechanism," Agriculture, MDPI, vol. 11(12), pages 1-17, December.
    2. Hui Li & Shan Zeng & Xiwen Luo & Longyu Fang & Zhanhao Liang & Wenwu Yang, 2021. "Design, DEM Simulation, and Field Experiments of a Novel Precision Seeder for Dry Direct-Seeded Rice with Film Mulching," Agriculture, MDPI, vol. 11(5), pages 1-15, April.
    3. Xiaolong Lei & Wencheng Wu & Cheng Chang & Tao Li & Zhonglin Zhou & Jinyue Guo & Peixu Zhu & Jianfeng Hu & Hong Cheng & Wei Zhou & Fei Deng & Yong Chen & Yongcheng Wu & Wanjun Ren, 2022. "Seeding Performance Caused by Inclination Angle in a Centralized Seed-Metering Device for Rapeseed," Agriculture, MDPI, vol. 12(5), pages 1-17, April.
    4. Shenghe Bai & Yanwei Yuan & Kang Niu & Liming Zhou & Bo Zhao & Liguo Wei & Lijing Liu & Shi Xiong & Zenglu Shi & Yihua Ma & Yuankun Zheng & Gaoyong Xing, 2022. "Simulation Parameter Calibration and Experimental Study of a Discrete Element Model of Cotton Precision Seed Metering," Agriculture, MDPI, vol. 12(6), pages 1-20, June.
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    7. Bohong Li & Riaz Ahmad & Xindan Qi & Hua Li & Samuel Mbugua Nyambura & Jufei Wang & Xi Chen & Shengbing Li, 2021. "Design Evaluation and Performance Analysis of a Double-Row Pneumatic Precision Metering Device for Brassica chinensis," Sustainability, MDPI, vol. 13(3), pages 1-20, January.
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    Cited by:

    1. Kezhi Li & Shufeng Li & Xiangdong Ni & Bo Lu & Binqiang Zhao, 2023. "Analysis and Experimental of Seeding Process of Pneumatic Split Seeder for Cotton," Agriculture, MDPI, vol. 13(5), pages 1-21, May.
    2. Yu Ren & Wensong Guo & Xufeng Wang & Can Hu & Long Wang & Xiaowei He & Jianfei Xing, 2022. "Design and Test of Duckbill Welding Robot for Cotton Seeder," Agriculture, MDPI, vol. 13(1), pages 1-16, December.

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