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듀얼 모터와 단일 유성기어 기반 40 kW급 전기트랙터 시뮬레이션 모델 개발

Development of Simulation Model for a 40 kW Electric Tractor based on Dual Motors and Single Planetary Gear

Journal of the Korean Society for Precision Engineering 2024;41(12):939-948.
Published online: December 1, 2024

1 전북대학교 생물산업기계공학과

2 서울대학교 바이오시스템공학과

3 전북대학교 농업기계 ICT 융합연구소

4 한국생산기술연구원 특수목적로봇그룹

1 Department of Bioindustrial Machinery Engineering, Jeonbuk National University

2 Department of Biosystems Engineering, Seoul National University

3 Institute of Agricultural Machinery ICT Convergence, Jeonbuk National University

4 Korea Institute of Industrial Technology Specialized Machinery and Robotics Group, Korea

#E-mail: wgk@kitech.re.kr, TEL: +82-63-920-1296
• Received: June 5, 2024   • Revised: August 20, 2024   • Accepted: September 9, 2024

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Simulation of the power transmission durability for a 20 kW single motor driving electric tractor
    Dong Wook Kim, Ji Hun Yu, Jong Dae Park, Min Jong Park, Yong Joo Kim
    Korean Journal of Agricultural Science.2025; 52(4): 427.     CrossRef

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Development of Simulation Model for a 40 kW Electric Tractor based on Dual Motors and Single Planetary Gear
J. Korean Soc. Precis. Eng.. 2024;41(12):939-948.   Published online December 1, 2024
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Development of Simulation Model for a 40 kW Electric Tractor based on Dual Motors and Single Planetary Gear
J. Korean Soc. Precis. Eng.. 2024;41(12):939-948.   Published online December 1, 2024
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Development of Simulation Model for a 40 kW Electric Tractor based on Dual Motors and Single Planetary Gear
Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Photograph of 42 kW tractor for a field test
Fig. 2 Configuration of the tractor measurement system
Fig. 3 Dividing sampling area
Fig. 4 Tractor implements for a field test
Fig. 5 Filed tests for an agricultural tractor
Fig. 6 Schematic diagram of a planetary gear
Fig. 7 Schematic diagram of electric tractor powertrain based on planetary gear system: a. Clutch, b. Brake, c. Ring gear, d. Sun gear, e. Carrier, f. Main reduction gear, and g. Final reduction gear
Fig. 8 Power flow via a planetary gear system
Fig. 9 Lever analogy of planetary gear
Fig. 10 Simulation model of electric tractor
Fig. 11 T-N curve of motors
Fig. 12 Simscape model of transmission
Fig. 13 Results of plow tillage simulation
Fig. 14 Results of rotary tillage simulation
Development of Simulation Model for a 40 kW Electric Tractor based on Dual Motors and Single Planetary Gear
Item Specification
Model TX-58
Company TYM, Co., Ltd, Korea
Length × Width × Height [mm] 3,695 × 1,840 × 2,560
Wheelbase [m] 2,155
Empty weight [kg] 2,615
Total weight [kg] 3,305
Engine Rater power [kW] 42
Rated speed [rpm] 2,200
PTO speed [rpm] 540 / 750 / 1,000
Tire Size (front/rear) 11.2-20 / 14.9-30
Type Bias
Item Specification
Wheel torque meter Model / Company RF-15000-275 / MANNER
Nominal load 25 kNm
Measuring range -25 ~ 25 kNm
Accuracy 0.1 %
Proximity sensor Model / Company CYGTS211B / ChenYang
Response frequency 1 Hz - 20 kHz
Sensing distance 3 mm
PTO torque meter Model / Company PCM16 / MANNER
Nominal load 5 kNm
Measuring range -5 ~ 5 kNm
Maximum speed 2,000 rpm
Accuracy 0.1%
RTK-GPS Model / Company Duro Inertial / Swift navigation
RTK accuracy
(Horizontal)
10 mm + 1 ppm
RTK accuracy
(Vertical)
15 mm + 1 ppm
Sampling rate
(GPS / IMU)
10 / 25-200
Cone index [kPa]
Depth [cm] 0-5 5-10 10-15 15-20
Cone index [kPa] 1,122.4 1,271.1 1,950.9 2,384.3
Soil texture
Components (%) Sand 51.48 Silt 26.44 Clay 22.08
Soil texture Sandy clay loam
Soil water content
Water content (%) 41.74
Item Specification
Plow Rotavator
Model WJSP-4 WJ185A
Company Woongjin Woongjin
Length × Width × Height [mm] 1,680 × 1,500 × 1,235 810 × 2,020 × 1,130
Weight [kg] 290 405
Nominal tilling width [mm] 1,500 1,820
Item Specification
10 / 30 kW
motor
Rated Torque [Nm] 24 / 72
Max speed [rpm] 6,000
Power [kW] 10 / 30
@4,000 rpm
Continuous operation time (min) 120
Max Torque [Nm] 44.64 / 92.39
Max speed [rpm] 6,000
Power [kW] 18 / 39
@4,000-6,000 rpm
Continuous operation time (min) 15
Table 1 Specification of the 42 kW tractor
Table 2 Specification of the sensors
Table 3 Soil characteristics in this study
Table 4 Specification of the implements
Table 5 Specifications of motors