Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Development of a Tracked Vehicle Model for Real-time Simulation of Semi-active Suspension System

반능동 현수장치의 실시간 시뮬레이션용 궤도차량 모델 개발

  • 손영일 (고등기술연구원 제품기술연구센터) ;
  • 이종호 (고등기술연구원 제품기술연구센터) ;
  • 송병석 (고등기술연구원 제품기술연구센터)
  • Published : 2003.07.01
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Abstract

In this study, a real-time simulation model was developed for tracked vehicles with in-arm type semi-active hydro-pneumatic suspension unit using MATLAB S-functions. Since the vehicle model uses relative coordinates and massless link elements, the developed model has an enhanced analytic time performance. Through the comparison of simulation results with multi-body software(DADS), the vehicle model is verified. A controller using on-off skyhook control algorithm is designed with the pilot-centre]led proportional valve based on conventional damper characteristics. Exploiting the developed tracked vehicle model with other subsystem model such as a controller model, a suspension unit model, and a test road model, computer simulations are carried out. Control simulation results with the developed tracked vehicle model show that the semi-active suspension control system has a better performance than the conventional suspension system.

Keywords

References

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