Details of electrical control or of the monitoring of the exhaust gas treating apparatus

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus

F01N2900/04Methods of control or diagnosing F01N2900/0402using adaptive learning F01N2900/0404using a data filter F01N2900/0406using a model with a division of the catalyst or filter in several cells F01N2900/0408using a feed-back loop F01N2900/0411using a feed-forward control F01N2900/0412using pre-calibrated maps, tables or charts F01N2900/0414using a state observer F01N2900/0416using the state of a sensor F01N2900/0418using integration or an accumulated value within an elapsed period F01N2900/0421using an increment counter when a predetermined event occurs F01N2900/0422measuring the elapsed time F01N2900/06Parameters used for exhaust control or diagnosing F01N2900/0601being estimated F01N2900/0602Electrical exhaust heater signals F01N2900/08said parameters being related to the engine F01N2900/10said parameters being related to the vehicle or its components F01N2900/102Travelling distance F01N2900/104Battery status F01N2900/12said parameters being related to the vehicle exterior F01N2900/14said parameters being related to the exhaust gas F01N2900/1402Exhaust gas composition F01N2900/1404Exhaust gas temperature F01N2900/1406Exhaust gas pressure F01N2900/1411Exhaust gas velocity F01N2900/16said parameters being related to the exhaust apparatus F01N2900/1602Temperature of exhaust gas apparatus F01N2900/1606Particle filter loading or soot amount F01N2900/1611Particle filter ash amount F01N2900/1612SOx amount trapped in catalyst F01N2900/1614NOx amount trapped in catalyst F01N2900/1616NH3-slip from catalyst F01N2900/1618HC-slip from catalyst F01N2900/1621Catalyst conversion efficiency F01N2900/1622Catalyst reducing agent absorption capacity or consumption amount F01N2900/1624Catalyst oxygen storage capacity F01N2900/1626Catalyst activation temperature F01N2900/1628Moisture amount in exhaust apparatus F01N2900/1631Heat amount provided to exhaust apparatus F01N2900/18said parameters being related to the system for adding a substance into the exhaust F01N2900/1804Properties of secondary air added directly to the exhaust F01N2900/1806Properties of reducing agent or dosing system F01N2900/1808Pressure F01N2900/1811Temperature F01N2900/1812Flow rate F01N2900/1814Tank level F01N2900/1818Concentration of the reducing agent F01N2900/1821Injector parameters F01N2900/1822Pump parameters F01N2900/1824Properties of the air to be mixed with added substances