Controller and controlling method for exhaust gas treatment system

Abstract

The application relates to a controller and a controlling method for controlling an operation of an exhaust gas treatment system having multiple treatment apparatuses. The controller for controlling an operation of the exhaust gas treatment system having the multiple treatment apparatuses, the controller includes: multiple sub-controllers corresponding to the multiple treatment apparatuses and configured to individually control operations of the multiple treatment apparatuses; and a main controller electrically coupled to the multiple sub-controllers, wherein the main controller includes: a power source configured to supply power to the multiple sub-controllers; and a comprehensive controller configured to comprehensively control the operations of the multiple treatment apparatuses, and each of the multiple sub-controllers includes an individual controller electrically coupled to a device configured to operate a corresponding treatment apparatus.

Dependencies are inferred from the claim text.