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2012 American Control Conference (ACC 2012), Montreal : Canada (2012)
A High Gain Observer for Enclosed Mass Estimation in a Spark Ignited Engine
Maria Adelina Rivas Caicedo, Emmanuel Witrant 1, Olivier Sename 1, Pascal Higelin 2
(2012-06-27)

A high gain non linear observer is implemented to estimate the enclosed mass in the combustion chamber of a spark ignited engine. The observer uses the cylinder pressure measurement during the compression and combustion strokes to estimate the enclosed mass. An engine model is proposed and used as a virtual engine to build the observer. The model is validated by comparison with real measurements, obtained from experimental tests. The results of the observer are compared with the virtual engine model.
1:  Grenoble Images Parole Signal Automatique (GIPSA-lab)
CNRS : UMR5216 – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II – Université Stendhal - Grenoble III – Institut Polytechnique de Grenoble - Grenoble Institute of Technology
2:  Laboratoire PRISME (PRISME)
Université d'Orléans : EA4229 – ENSI Bourges
SLR
Computer Science/Automatic Control Engineering
Engine modeling – load estimation