| 제목 |
정화 능력 진단 적용을 위한 학습을 통한 삼원촉매 모델의 구현에 관한 연구 |
| 분야 |
엔진 및 연소 |
| 언어 |
Korean |
| 저자 |
최동범(서울대학교), 윤형진(현대자동차), 박재홍(서울대학교), 김용민(서울대학교) |
| Key Words |
OBD(자기진단기능), OSC(산소저장능력), Three-way catalyst(삼원촉매), Air-fuel ratio(공연비), Lambda control value(공기과잉률) |
| 초록 |
In this paper, an adapted TWC model and its application to the monitoring algorithm are proposed, As TWCs have the different characteristics, the model has to be corrected to diagnose more accurately. In the TWC model oxygen storage and release rate model are adapted to the installed TWC to whose characteristics related. The model learns from the downstream O₂ sensor output during the vehicle's operation, From the results, the model is adapted to the installed TWC's characteristics. Using this model, the monitoring algorithm can diagnose the TWC more accurately. Finally the algorithm is validated with simulations using the data logged from a retail car. |
| 원문(PDF) |
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