한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제5권2호
  • /
  • Pages.94-110
  • /
  • 1997
  • /
  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

엔진 토크의 동적 시뮬레이션에 관한 연구

Dynamic Simulation of Engine Torque for Hardware-in-the-loop Simulation

  • 조한승 (정회원, 아주대대학원 시스템공학과, 고등기술연구원) ;
  • 송해박 (정회원, 아주대대학원 기계공학과) ;
  • 이종화 (정회원, 아주대 기계공학과) ;
  • 고상근 (정회원, 서울대 기계공학과)
  • 발행 : 1997.03.01
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초록

In the present study, a mean torque predictive model has been proposed and experimentally validated. It includes induction air mass model, fuel delivery model and mean production mode. Air induction and fuel delivery model considering dynamic behaviors of air induction and fuel delivery were proposed to predict the air-fuel ratio excursions under transient condition. Torque function model reflects thermal efficiency, volumetric efficiency, friction and effect of spark timing. In the spark timing model, knock limit and acceleration retard are included. Experiments were carried out to validate the simulation model for the step changes of throttle at constant engine speed. The results show reasonable agreements between simulation and experiment at fully warmed condition. Using this model, fueling strategies are varied with fast throttle open and it can predict air-fuel ratio excursion and IMEP.

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참고문헌

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