Patent ID: 11958472
Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A method for controlling a hybrid drive train including a first partial drive train with an internal combustion engine having a crankshaft and a second partial drive train, which is separated from the first partial drive train by a torsional elasticity, including an electric machine having a rotor, the method comprising:
detecting a rotational characteristic value of the first partial drive train via a sensor arranged on the torsional elasticity;
detecting a rotational characteristic value of the rotor via a device engaged with the rotor;
determining a quality index based on the rotational characteristic value of the first partial drive train and the rotational characteristic value of the rotor; and
controlling the electric machine to optimize the quality index;
wherein the hybrid drive train includes a separating clutch downstream of the electric machine, the separating clutch being at least partially opened when the quality index exceeds a predetermined quality index.