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Dynamic feedback linearization applied to asymptotic tracking: Generalization about the turbocharged diesel engine outputs choice

Abstract : In this paper we apply dynamic feedback linearization to the tracking problem for a turbocharged diesel engine (TDE) equipped with exhaust gas recirculation (EGR) valve and variable geometry turbocharger (VGT). The model used here is the third-order mean-value model, a reduction of the eighth-order mean-value one, see, for sake of simplicity. Our goal is to track desired values of suitably chosen outputs. In fact, we first plan to control the input manifold pressure and the compressor mass flow rate instead of the air fuel ratio (AFR) and the EGR fraction. Unfortunately, the former lead to a non-minimum phase system while the latter are not accessible for measurements in a vehicle, see. We thus replace the problem of tracking of desired values of the original output y (input manifold pressure and compressor mass flow rate) by that of tracking a suitably constructed modified output for which the values to be tracked are specifically chosen: namely, when the modified output y tilde approaches them, the original output converges to the desired values. Simulation results are presented.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02296774
Contributor : Nicolas Langlois <>
Submitted on : Wednesday, September 25, 2019 - 2:48:59 PM
Last modification on : Wednesday, April 22, 2020 - 3:16:54 PM

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Marcelin Dabo, Nicolas Langlois, Houcine Chafouk. Dynamic feedback linearization applied to asymptotic tracking: Generalization about the turbocharged diesel engine outputs choice. 2009 American Control Conference, Jun 2009, St. Louis, United States. pp.3458-3463, ⟨10.1109/ACC.2009.5160404⟩. ⟨hal-02296774⟩

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