Abstract
In this chapter, the authors provide an overview and study of the low-pressure burned gas recirculation in spark-ignited engines for automotive powertrain. 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 modeled 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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Bresch-Pietri, D., Leroy, T., Chauvin, J., Petit, N. (2014). Practical Delay Modeling of Externally Recirculated Burned Gas Fraction for Spark-Ignited Engines. In: Vyhlídal, T., Lafay, JF., Sipahi, R. (eds) Delay Systems. Advances in Delays and Dynamics, vol 1. Springer, Cham. https://doi.org/10.1007/978-3-319-01695-5_26
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DOI: https://doi.org/10.1007/978-3-319-01695-5_26
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