Emission reduction during TWC warm-up: control synthesis and hardware-in-the-loop verification
by Giovanni Fiengo, Stefania Santini, Luigi Glielmo
International Journal of Modelling, Identification and Control (IJMIC), Vol. 3, No. 3, 2008

Abstract: Atmospheric pollution caused by automotive vehicles is nowadays a very relevant and open problem. To limit the emissions level, the vehicles are equipped with three way catalytic converter. Currently, the largest amount of pollutants is produced during the warm-up phase when the the catalyst is not activated. In this work, we propose an active control strategy, based on an optimal approach, aimed at the fast heating of the catalyst while guaranteeing the driver requirements. The effectiveness of the control action is shown via Hardware-In-the-Loop (HIL) experiments, where the performance of the actual control hardware has been tested in the loop.

Online publication date: Thu, 28-Aug-2008

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