Development of an Engine Idle Speed and Emission Controller
Development of an Engine Idle Speed and Emission Controller
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Date
2005
Authors
Nagashima, Masaaki
Levine, William S.
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Abstract
This paper is focused on idling. An engine model is developed. The engine model includes an airflow dynamics model, a combustion model, a fuel injection model, and a catalytic converter model. These models will be used to compare controllers. The idle controller, air / fuel ratio controller, and the emission controller that Honda uses are installed. The measured data and simulated data are compared to evaluate the accuracy of the model. A linear model is developed by linearizing at nominal points. With this linear model, new controllers are developed and compared to the existing controllers.