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In-cylinder Burned Gas Rate Estimation and Control on VVA Diesel Engines

Abstract : In this paper, we propose a strategy to control the in- cylinder burned gas rate inside the combustion chambers of turbocharged Diesel engines equipped with low pressure EGR loop and VVA actuator. We first design a mean-value model of the in-cylinder composition and validate it on a high frequency reference simulator. Then, we develop the control strategy. It is based on the coordination of existing low-level controllers acting separately on the EGR valve and on the VVA actuator. The objective is to improve transient response, taking into account the responses of the low-level controllers. Supportive simulation results show the relevance of this approach.
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Conference papers
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00486068
Contributor : François Chaplais <>
Submitted on : Monday, May 24, 2010 - 10:21:58 PM
Last modification on : Thursday, September 24, 2020 - 5:04:18 PM

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  • HAL Id : hal-00486068, version 1

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Thomas Leroy, M. Bitauld, Jonathan Chauvin, Nicolas Petit. In-cylinder Burned Gas Rate Estimation and Control on VVA Diesel Engines. Society Automotive Engine World Congress 2009, Apr 2009, Detroit, United States. pp.2009-01-0366. ⟨hal-00486068⟩

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