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An Adaptive Estimator of Fuel Film Dynamics in the Intake Port of a Spark Ignition Engine by I. Arsie; C. Pianese; G. Rizzo; V. Cioffi is a Engineering article available to read on EtoBox.

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In order to meet the limits imposed on automotive emissions, engine control systems are required to constrain air/fuel ratio (AFR) in a narrow band around the stoichiometric value, due to the strong decay of catalyst efficiency in case of rich or lean mixture. An adaptive estimator, based on an extended Kalman filter, is proposed for the fuel film dynamics in the intake port of a spark ignition engine. The observer is based on a two states mean value model which accounts for the impingement of the injected fuel on the manifold walls and the evaporation process. The observer has been tested on a set of experimental transient maneuvers, showing a good accuracy in predicting the AFR.

Who reads An Adaptive Estimator of Fuel Film Dynamics in the Intake Port of a Spark Ignition Engine?

Author

I. Arsie; C. Pianese; G. Rizzo; V. Cioffi

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0967-0661)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)