Journal of Drive and Control (드라이브 ㆍ 컨트롤)

The Korean Society for Fluid Power and Construction Equipment (유공압건설기계학회)
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Development of a Simulation Model for an 80 kW-class Electric All-Wheel-Drive (AWD) Tractor using Agricultural Workload

농작업 부하 데이터를 활용한 80 kW급 전기구동 AWD 트랙터의 시뮬레이션 모델 개발

  • Baek, Seung Yun (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Kim, Wan Soo (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Kim, Yeon Soo (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Kim, Yong Joo (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Park, Cheol Gyu (Korea Institute of Industrial Technology) ;
  • An, Su Cheol (Soosan Heavy Industries) ;
  • Moon, Hee Chang (Department of Mechanical and System Design Engineering, Hongik University) ;
  • Kim, Bong Sang (Department of Autonomous Vehicle & Intelligent Robotics Program, Hongik University)
  • Received : 2019.10.16
  • Accepted : 2019.11.19
  • Published : 2020.03.01
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Abstract

The aim of this study is to design a simulation model for an electric All-Wheel-Drive (AWD) tractor to evaluate the performance of the selected component and agricultural work ability. The electric AWD tractor consists of four motors independently for each drive wheel, and each motor is combined with an engine generator, a battery pack, and reducers. The torque data of a 78 kW-class tractor was measured during plow tillage and driving operation to develop a workload cycle. A simulation model was developed by using commercial software, Simulation X, and it used the workload as the simulation condition. As a result of simulation analysis, the drive system, including an electric motor and reducers, was able to cope with high load during plow tillage. The SOC (State of Charge) level was influenced by the output power of the motor, and it was maintained in the range of 50~80%. The fuel consumed by the engine was about 18.23 L during working on a total of 8 fields. The electric AWD tractor was able to perform agricultural work for about 7 hours. In the future study, the electric AWD tractor will be developed reflecting the simulation condition. Research on the comparison between the simulation model and the electric AWD tractor should be performed.

Keywords

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