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Communication Dans Un Congrès Année : 2012

Energy Wall Losses Estimation of a Gasoline Engine Using a Sliding Mode Observer

Résumé

This paper describes an innovative method to estimate the wall losses during the compression and combustion strokes of a gasoline engine using the cylinder pressure measurement. The estimation during the compression and combustion strokes allows to better represent the system during the combustion. A sliding mode observer is derived from a validated 0-D physical engine model and its convergence and stability are proved. The observer is validated using two different engine models: a one zone engine model and a two zones engine model with flame wall interaction. A good agreement between the estimation results and the model reference is observed, showing the interest of using closed loop strategies to estimate the wall losses in a SI engine.
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Dates et versions

hal-00765566 , version 1 (14-12-2012)

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Maria Adelina Rivas Caicedo, Emmanuel Witrant, Olivier Sename, Pascal Higelin, Christian Caillol. Energy Wall Losses Estimation of a Gasoline Engine Using a Sliding Mode Observer. SAE 2012 World Congress & Exhibition, Apr 2012, Detroit, United States. pp.2012-01-0674, ⟨10.4271/2012-01-0674⟩. ⟨hal-00765566⟩
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