CONTROLLER AND METHOD FOR CONTROLLING OPERATION OF AN AFTERTREATMENT SYSTEM BASED ON SHORT-TERM AND LONG-TERM CUMULATIVE DEGRADATION ESTIMATES

• Main Authors: DAYA, Rohil, TSCHIMWANG, Alain Ngoy, DADI, Karthik Venkata Rama Krishna, HALL, David C, CORBET, Todd A, SASIDHARAN, Premjee, JONES, Bradley V, STAEBLER, Bryon D, RATAN, Santosh Kumar, CLERC, James C, GRECA, Marc Alexander, GONG, Jinqian
• Format: Patent
• Language: English; French
• Published: 16.09.2021
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

A controller for controlling operation of an aftertreatment system that is configured to treat constituents of an exhaust gas produced by an engine, the aftertreatment system including a selective catalytic reduction (SCR) catalyst, the controller configured to: generate a short-term cumulative degr...