Exhaust gas post-processing device e.g. particle filter, control system for e.g. passenger car`s diesel engine, has management module modifying device operating procedure and coupled with estimator providing estimated gas temperature signal

• Main Authors: D ORIA SEBASTIEN, GAUVIN FABRICE, ROMIEUX SEBASTIEN
• Format: Patent
• Language: English; French
• Published: 07.12.2007
• Subjects: BLASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMBUSTION ENGINES; COMBUSTION ENGINES IN GENERAL; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; CONTROLLING COMBUSTION ENGINES; ENGINE PLANTS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INTERNAL-COMBUSTION PISTON ENGINES; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; STEAM ENGINES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

The system has a management module (20) that modifies an exhaust gas post-processing device operating procedure e.g. diagnosis procedure. The module is coupled with a neural network estimator (15) that provides an estimated temperature signal (S) of exhaust gas of an internal combustion engine e.g. diesel engine, of a motor vehicle e.g. passenger car. The estimator has a pre-processing module, a neural network and a post-processing module. The estimator comprises a feedback loop that feeds back output variables of the network, to an input of the network. An independent claim is also included for a method for controlling an exhaust gas post-processing device. L'invention concerne un procédé de contrôle d'un dispositif de post-traitement (6) des gaz d'échappement d'un moteur, caractérisé en ce que l'on estime une température des gaz d'échappement à l'aide d'un réseau de neurones (15) et en ce qu'au moyen de ladite température estimée (S), on modifie au moins une procédure de commande du dispositif de post-traitement.L'invention concerne également un système de contrôle d'un dispositif de post-traitement, ainsi qu'un moteur et qu'un véhicule équipés d'un tel système.