Method and device for diagnosing components of exhaust gas system in engine system that includes internal combustion engine

The invention relates to a method for operating an engine system (1) that includes an internal combustion engine (2) and an exhaust aftertreatment device (8) in an exhaust gas discharge system (5). The method includes: carrying out a filling control in order to regulate a filling level of the exhaus...

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Hauptverfasser: KRAEWER BERND, FEY MICHAEL, UNVERRICHT MAIK
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creator KRAEWER BERND
FEY MICHAEL
UNVERRICHT MAIK
description The invention relates to a method for operating an engine system (1) that includes an internal combustion engine (2) and an exhaust aftertreatment device (8) in an exhaust gas discharge system (5). The method includes: carrying out a filling control in order to regulate a filling level of the exhaust aftertreatment device (8) as a function of a predefined filling level setpoint value, a lambda setpoint value for a lambda regulation being predefined as a manipulated variable; adapting the filling control with the aid of an adaptation variable that indicates a correction value for the lambda setpoint value, and storing an adaptation value as a function of an operating range of the engine system, the adaptation value in question being updated with the value of the adaptation variable for theinstantaneous operating range. 本发明涉及一种用于运行带有内燃机(2)和在废气排出系统(5)中的废气后处理装置(8)的马达系统(1)的方法,带有下列步骤:-执行填充控制,以便根据预先给定的物位额定值调节废气后处理装置(8)的物位,其中,预先给定用于控制的额定值作为调整参量;-借助适配参量来适配填充控制,所述适配参量说明了用于额定值的修正值,-根据马达系统的运行范围来储存适配值,其中,用针对瞬时运行范围的适配参量的值更
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subjects BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title Method and device for diagnosing components of exhaust gas system in engine system that includes internal combustion engine
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