Electrical converter in a hybrid vehicle indicating intermittent cylinder operation

A hybrid drive, comprising:

• an internal combustion engine including a combustion engine;
• a converter;
• an electric machine to which the converter is electrically connected;
• a drive shaft, the combustion engine and the electric machine being connected to each other in a torque-transmitting manner by way of a drive shaft, the hybrid drive being configured for determining a rotational motion signal associated with the drive shaft, the hybrid drive being configured for determining the rotational motion signal by way of an electrical converter variable of the converter;
• and
• a recognition unit, which is configured for:
• determining a signal characterization of a momentary curve of the electrical converter variable;
• and
• indicating an intermittent cylinder operation of the internal combustion engine as a function of the signal characterization, wherein, in the event of a notification of the signal characterization, a fail-safe operating mode of the internal combustion engine is activated.

A vehicle, comprising:

• at least one of:
• (a) a hybrid drive, including:
• an internal combustion engine including a combustion engine;
• a converter;
• an electric machine to which the converter is electrically connected;
• a drive shaft, the combustion engine and the electric machine being connected to each other in a torque-transmitting manner by way of a drive shaft, the hybrid drive being configured for determining a rotational motion signal associated with the drive shaft, the hybrid drive being configured for determining the rotational motion signal by way of an electrical converter variable of the converter;
• and
• a recognition unit, which is configured for:
• determining a signal characterization of a momentary curve of the electrical converter variable;
• and
• indicating an intermittent cylinder operation of the internal combustion engine as a function of the signal characterization, wherein, in the event of a notification of the signal characterization, a fail-safe operating mode of the internal combustion engine is activated;
• and
• (b) a control unit, wherein the control unit is configured for implementing a method for operating the hybrid drive, the method including the steps of:
• providing the internal combustion engine, the electric machine, the converter, and the drive shaft, the internal combustion engine including the combustion engine, the converter being electrically connected to the electric machine, the internal combustion engine and the electric machine being connected to each other in the torque-transmitting manner by way of the drive shaft;
• determining the rotational motion signal associated with the drive shaft, the rotational motion signal being determined by way of the electrical converter variable of the converter;
• and
• determining the signal characterization of the momentary curve of the electrical converter variable, the signal characterization indicating the intermittent cylinder operation of the combustion engine, wherein, in the event of a notification of the signal characterization, a fail-safe operating mode of the internal combustion engine is activated.