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Practical delay modeling of externally recirculated burned gas fraction for Spark-Ignited engines

Abstract : In this chapter, the authors provide an overview and study of the low- pressure burned gas recirculation in spark-ignited engines for automotive power- train. It is shown, at the light of supportive experimental results, that a linear delay system permits to capture the dominant effects of the system dynamics. The mod- eled transport delay is defined by implicit equations stemming from first principles and can be calculated online. This model is shown to be sufficiently accurate to replace a sensor that would be difficult and costly to implement on commercial engines.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01111626
Contributor : François Chaplais <>
Submitted on : Friday, January 30, 2015 - 4:35:48 PM
Last modification on : Thursday, November 19, 2020 - 1:01:04 PM

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Delphine Bresch-Pietri, Thomas Leroy, Jonathan Chauvin, Nicolas Petit. Practical delay modeling of externally recirculated burned gas fraction for Spark-Ignited engines. Tomáš Vyhlídal, Jean-François Lafay, Rifat Sipahi. Delay Systems: from Theory to Numerics and Applications, Springer, pp.359-372, 2014, Advances in Delays and Dynamics, 978-3-319-01694-8. ⟨10.1007/978-3-319-01695-5_26⟩. ⟨hal-01111626⟩

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