METHOD AND PROCESSING UNIT FOR ASCERTAINING A CATALYTIC CONVERTER STATE

The present invention relates to a method (200) for ascertaining a catalytic converter state, wherein an exhaust-gas catalytic converter (130) is monitored on the basis of a catalytic converter model. Here, the catalytic converter model is adapted (250) in a manner dependent on measured values detected by means of one or more sensors (145, 147), wherein a frequency and/or a degree of the adaptation of the catalytic converter model is detected (260). The catalytic converter state is ascertained (270) as non-critical if the frequency and/or the degree of the adaptation do not exceed a predeterminable threshold value or is ascertained (270) as critical if the frequency and/or the degree of the adaptation exceed the predeterminable threshold value. 本发明涉及一种用于确定催化器状态的方法（200），其中在催化器模型的基础上监测废气催化器（130）。在此，根据通过一个或者多个传感器（145、147）所检测到的测量值来适配（250）所述催化器模型，其中检测（260）所述催化器模型的适配的频率和/或程度。当适配的频率和/或程度没有超过能预先确定的阈值时，所述催化器状态被确定（270）为不危急的，或者，当适配的频率和/或程度超过能预先确定的阈值时，所述催化器状态被确定（270）为危急的。