Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Study on the 3D Virtual Ground Modeling and Application for Real-time Vehicle Driving Simulation on Off-road

실시간 야지주행 시뮬레이션을 위한 3차원 가상노면의 구성 및 적용에 대한 연구

  • Lee, Jeong-Han (Department of Mechanical Engineering, Pusan National University) ;
  • Yoo, Wan-Suk (Department of Mechanical Engineering, Pusan National University)
  • Received : 2009.10.01
  • Accepted : 2010.01.19
  • Published : 2010.07.01
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Abstract

Virtual ground modeling is one of key topic for real-time vehicle dynamic simulation. This paper discusses about the virtual 3D road modeling process using parametric surface concept. General road data is a type of lumped position vector so interpolation process is required to compute contact of internal surface. The parametric surface has continuity and linearity within boundaries and functions are very simple to find out contact point. In this paper, the parametric surface formula is adopted to road modeling to calculate road hight. Position indexing method is proposed to reduce memory size and resource possession, and a simple mathematical method for contact patch searching is also proposed. The developed road process program is tested in dynamic driving simulation on off-road. Conclusively, the new virtual road program shows high performance of road hight computation in vast field of off-road simulation.

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References

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