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Energy Saving Performance of Agricultural Tractor Equipped with Mechanic-Electronic-Hydraulic Powertrain System

Author

Listed:
  • Zhen Zhu

    (Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China)

  • Yanpeng Yang

    (State Key Laboratory of Power System of Tractor, Luoyang 471039, China)

  • Dongqing Wang

    (State Key Laboratory of Power System of Tractor, Luoyang 471039, China)

  • Yingfeng Cai

    (Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China)

  • Longhui Lai

    (Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China)

Abstract

Tractors are usually applied in field operations, road transport, and other operations. Modern agriculture has higher design requirements for tractor powertrains due to the complicated working environments and various operations. To meet the driving requirements of the tractor under multiple operations, a mechanic-electronic-hydraulic powertrain system (MEH-PS) for tractors has been designed according to the characteristics of the hydro-mechanical composite transmission and electromechanical hybrid system. The principle of multiple driven and transmission modes of MEH-PS are introduced, the speed regulation characteristic curve of hydro-mechanical transmission (HMT) is given, and the related power element model, tractor model, and efficiency model are established. The HMT optimal economy transmission ratio control strategy and hybrid rule-based optimization energy management strategy were developed. Take three typical tractor operations for analysis: ploughing, harvesting, and transport. The results show that the engine operating points are mainly distributed in the higher load area, the tractor maintains high system efficiency, and the relative error between simulated and tested fuel consumption is within 5%, which further proves the reliability of the model. The solution also showed lower fuel consumption in all three operations compared to DLG’s announced PowerShift tractors and CVT tractors. Thus, the powertrain system can meet the tractor’s drive requirements under complex operating conditions and maintain high efficiency and is therefore suitable for tractors that need to operate frequently in the field and on the road.

Suggested Citation

  • Zhen Zhu & Yanpeng Yang & Dongqing Wang & Yingfeng Cai & Longhui Lai, 2022. "Energy Saving Performance of Agricultural Tractor Equipped with Mechanic-Electronic-Hydraulic Powertrain System," Agriculture, MDPI, vol. 12(3), pages 1-22, March.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:3:p:436-:d:776189
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    References listed on IDEAS

    as
    1. Claudio Rossi & Davide Pontara & Carlo Falcomer & Marco Bertoldi & Riccardo Mandrioli, 2021. "A Hybrid–Electric Driveline for Agricultural Tractors Based on an e-CVT Power-Split Transmission," Energies, MDPI, vol. 14(21), pages 1-23, October.
    2. Zhang, LiPeng & Liu, Wei & Qi, Bingnan, 2019. "Innovation design and optimization management of a new drive system for plug-in hybrid electric vehicles," Energy, Elsevier, vol. 186(C).
    3. Zhang, LiPeng & Liu, Wei & Qi, BingNan, 2020. "Energy optimization of multi-mode coupling drive plug-in hybrid electric vehicles based on speed prediction," Energy, Elsevier, vol. 206(C).
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    Cited by:

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    5. Junjiang Zhang & Mingyue Shi & Mengnan Liu & Hanxiao Li & Bin Zhao & Xianghai Yan, 2024. "Dual-Source Cooperative Optimized Energy Management Strategy for Fuel Cell Tractor Considering Drive Efficiency and Power Allocation," Agriculture, MDPI, vol. 14(9), pages 1-26, August.
    6. Ya Li & Xiaohan Chen & Xiaorong Han & Ning Xu & Zhiqiang Zhai & Kai Lu & Youfeng Zhu & Guangming Wang, 2024. "Application of Computer Simulation Technology in the Development of Tractor Transmission Systems," Agriculture, MDPI, vol. 14(9), pages 1-34, September.
    7. Ruochen Wang & Kaiqiang Zhang & Renkai Ding & Yu Jiang & Yiyong Jiang, 2025. "A Novel Hydraulic Interconnection Design and Sliding Mode Synchronization Control of Leveling System for Crawler Work Machine," Agriculture, MDPI, vol. 15(2), pages 1-19, January.
    8. Zhengkai Wu & Jiazhong Wang & Yazhou Xing & Shanshan Li & Jinggang Yi & Chunming Zhao, 2023. "Energy Management of Sowing Unit for Extended-Range Electric Tractor Based on Improved CD-CS Fuzzy Rules," Agriculture, MDPI, vol. 13(7), pages 1-18, June.
    9. Xiaoting Deng & Hailong Sun & Zhixiong Lu & Zhun Cheng & Yuhui An & Hao Chen, 2022. "Research on Dynamic Analysis and Experimental Study of the Distributed Drive Electric Tractor," Agriculture, MDPI, vol. 13(1), pages 1-21, December.
    10. Chengliang Zhang & Changpu Li & Chunzhao Zhao & Lei Li & Guanlei Gao & Xiyuan Chen, 2022. "Design of Hydrostatic Chassis Drive System for Large Plant Protection Machine," Agriculture, MDPI, vol. 12(8), pages 1-16, July.

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