CPC F01N 11/00 (2013.01) [F01N 11/002 (2013.01); F02D 41/0235 (2013.01); F01N 3/08 (2013.01); F01N 2550/02 (2013.01); F01N 2900/0421 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1411 (2013.01)] | 19 Claims |
1. An exhaust aftertreatment system control system, comprising:
one or more processing circuits comprising one or more memory devices coupled to one or more processors, the one or more memory devices storing instructions that, when executed by the one or more processors, cause the one or more processors to:
receive information indicative of at least one of a temperature of exhaust gas entering the aftertreatment system, a time at idle, or a mass flow of exhaust gas;
determine that a catalyst health management criteria is met based on the information indicative of the at least one of the temperature of exhaust gas entering the aftertreatment system, the time at idle, or the mass flow of exhaust gas, wherein the catalyst health management criteria is indicative of an amount of catalyst loading;
determine a catalyst health indicator based on the catalyst health management criteria being met;
compare the determined catalyst health indicator to a predetermined health threshold criteria;
determine an elapsed time during which the determined catalyst health indicator is less than the predetermined health threshold criteria; and
provide a notification in response to the elapsed time exceeding a predetermined time threshold.
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