Patent ID: 7862469

Claim:
A method for controlling a drivetrain, the method which comprises: providing, as components of a drivetrain of a motor vehicle, at least an internal combustion engine, an electric drive machine, a clutch and a transmission, the transmission being connectable to drive wheels; providing sensor devices supplying sensor information to at least one control device for acquiring different state quantities of at least one of the motor vehicle and at least one of the components of the drivetrain; deriving a drive torque value M V of the internal combustion engine at least indirectly from signals of the sensor devices and utilizing the drive torque value M V of the internal combustion engine in order to control gearshifts with the at least one control device by using at least one characteristic diagram stored in the at least one control device; detecting an operating state of the electric drive machine during operation of the internal combustion engine by using the at least one control device; and checking the drive torque value M V during operation of the motor vehicle in dependence of given conditions by performing the checking based on at least one quantity characterizing the operating state of the electric drive machine.