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Development Status and Research Progress of a Tractor Electro-Hydraulic Hitch System

Author

Listed:
  • Xiaoxu Sun

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

  • Zhixiong Lu

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

  • Yue Song

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

  • Zhun Cheng

    (Department of Vehicle Engineering, Nanjing Forestry University, Nanjing 210037, China)

  • Chunxia Jiang

    (College of Mechanical Engineering, Anhui Science and Technology University, Chuzhou 233100, China)

  • Jin Qian

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

  • Yang Lu

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

Abstract

A tractor electro-hydraulic hitch system is considered one of the most important systems that play a strategic role in the power transmission and operation depth control of a tractor’s field operation. Its performance directly affects the operation quality of the whole work unit of the tractor. Furthermore, a tractor electro-hydraulic hitch system has gained the interest of many in the agricultural machinery sector because of its stable performance, high production efficiency, good operation quality and its low energy consumption. To fully benefit from the potential of the tractor electro-hydraulic hitch system, it is significant to understand and address the problems and challenges associated with it. This study, therefore, aims to contribute to the development of the tractor electro-hydraulic hitch system by investigating the research methods, technical characteristics and emerging trends in three key aspects that include the tillage depth adjustment method, the tillage depth control algorithm and the core components of the electro-hydraulic hitch system. The characteristics and applicable conditions of the different tillage depth adjustment methods of the electro-hydraulic hitch system were summarized. The realization methods and the control characteristics of the different algorithms were elaborated and discussed for both the PID control algorithm and the intelligent control algorithm. The working characteristics of the core components of the electro-hydraulic hitch system were analyzed based on the hydraulic control valves and sensing elements. The results have shown that the multi-parameter tillage depth adjustment method met the operation quality standard while taking the engine load stability and traction efficiency into account, and it has a greater research significance and value. The working quality can be improved effectively by introducing the intelligent algorithm. In addition, the study of smart valves with built-in sensing elements and how to improve the anti-interference ability of sensing elements, are the aspects that requires further consideration. Aiming to improve the working quality and reduce energy consumption, further research into the tractor electro-hydraulic hitch system is necessary. The results of this comprehensive review provide a reference for the intelligent operation of tractors under the precision agriculture.

Suggested Citation

  • Xiaoxu Sun & Zhixiong Lu & Yue Song & Zhun Cheng & Chunxia Jiang & Jin Qian & Yang Lu, 2022. "Development Status and Research Progress of a Tractor Electro-Hydraulic Hitch System," Agriculture, MDPI, vol. 12(10), pages 1-20, September.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:10:p:1547-:d:924692
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    References listed on IDEAS

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    1. Édson Luis Bolfe & Lúcio André de Castro Jorge & Ieda Del’Arco Sanches & Ariovaldo Luchiari Júnior & Cinthia Cabral da Costa & Daniel de Castro Victoria & Ricardo Yassushi Inamasu & Célia Regina Grego, 2020. "Precision and Digital Agriculture: Adoption of Technologies and Perception of Brazilian Farmers," Agriculture, MDPI, vol. 10(12), pages 1-16, December.
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    1. Xiaoxu Sun & Yue Song & Yunfei Wang & Jin Qian & Zhixiong Lu & Tao Wang, 2023. "Design and Test of a Tractor Electro-Hydraulic-Suspension Tillage-Depth and Loading-Control System Test Bench," Agriculture, MDPI, vol. 13(10), pages 1-18, September.

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