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|1. (WO2018102428) SYSTEMS AND METHODS FOR CONTROLLING A HYBRID ENGINE SYSTEM|
|Inventors:||SUJAN, Vivek A.
FROST, Howard R.
GOPAL, Arun Prakash Thunga
|Title:||SYSTEMS AND METHODS FOR CONTROLLING A HYBRID ENGINE SYSTEM|
An apparatus includes a torque circuit and a clutch circuit. The torque circuit is structured to monitor a torque demand level of an engine. The clutch circuit is structured to (i) disengage an engine clutch of a transmission to decouple the engine from the transmission in response to the torque demand level of the engine falling below a threshold torque level and (ii) disengage a motor-generator clutch of the transmission to decouple a motor-generator from the engine in response to the torque demand level of the engine falling below the threshold torque level. The motor-generator is directly coupled to the transmission.