Korean Journal of Computational Design and Engineering (한국CDE학회논문집)

Society for Computational Design and Engineering (한국CDE학회)
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Development of Wheel-Terrain Interaction Device for Mobility Prediction of Off-road Vehicle

야지 차량의 기동성 예측을 위한 휠-토양 상호작용 시험장치 개발

  • Oh, Hyunhwan (Department of Mechanical Engineering, Myongji University) ;
  • Kim, Gwanyoung (Department of Mechanical Engineering, Myongji University) ;
  • Kim, Jinseong (Department of Mechanical Engineering, Myongji University) ;
  • Shin, Yongjae (Agency for Defense Development) ;
  • Lee, Kyu-Jin (Department of Mechanical Engineering, Myongji University) ;
  • Choi, Minsuk (Department of Mechanical Engineering, Myongji University) ;
  • Lee, Soo Jin (Department of Mechanical Engineering, Myongji University)
  • Received : 2014.09.29
  • Accepted : 2014.11.04
  • Published : 2014.12.01
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Abstract

This paper presents on the development of wheel-terrain interaction device using low-priced sensors, which will be used to predict the drawbar pull and optimal slip of off-road vehicle in real time. The essential variables obtained in the device to predict the mobility of vehicles are determined based on semi-empirical model describing the wheel-terrain interaction. Using the developed device, the experiments about the wheel-terrain interaction were performed on the soil of the Jumunjin standard sand, which yielded dynamic weight, motor driving torque, drawbar pull, and sinkage with respect to wheel slip ratio. Finally, the repeatability of the measured data are verified through repeating the experiments three times on the same condition.

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References

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