Development of a Real-Time Tractor Model for Gear Shift Performance Verification

Gyuha Han, Da-Vin Ahn, Doyeop Kwon, Heung-Sub Kim, Young-Jun Park () and Jin Woong Lee ()
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Gyuha Han: Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
Da-Vin Ahn: Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
Doyeop Kwon: Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
Heung-Sub Kim: Department of Smart Industrial Machine Technologies, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea
Young-Jun Park: Department of Biosystems Engineering, Seoul National University, Seoul 08826, Republic of Korea
Jin Woong Lee: Smart Agricultural Machinery R&D Group, Korea Institute of Industrial Technology, Gimje 54325, Republic of Korea

Agriculture, 2023, vol. 13, issue 11, 1-24

Abstract: Verification of the system is essential during the development of a tractor; however, there are cost and time limitations when verification is performed on an actual tractor. To solve this problem, we developed a tractor model for real-time simulation to verify the gear shift performance of the tractor and evaluate the control algorithm. This study examined and modeled a dual-clutch transmission (DCT)-type 105 kW class tractor. The proportional control valve, synchronizer, and clutch were modeled to accurately implement the shift behavior, and the developed individual model was verified based on actual individual product test data. The 45 s driving simulation was conducted to confirm whether real-time simulation of the entire developed tractor model was possible and whether it simulated the behavior of the target tractor well. The driving simulation results confirmed that the driving speed of the tractor model matched the engine speed, transmission gear ratio, and tractor specifications, and the gear shift performance of the tractor model according to the number of gears was confirmed. The simulated model thus satisfies the characteristics of the target tractor and can be used to verify the gear shift performance, indicating that the model can verify the performance of the control algorithm in real time.

Keywords: gear shift performance; tractor simulation model; real-time simulation; dual-clutch transmission (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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