Abstract: The present invention relates to the analysis of current sensor signals of a multi-phase electrical system. According to the invention, signal paths between a current sensor element and a measuring device are coupled to a predetermined electric potential for a short time. A change in the subsequent measurement results can then be analyzed to see if they are indicative of a possible malfunction during the measurement.

Abstract: The present invention relates to the analysis of current sensor signals of a multi-phase electrical system. According to the invention, signal paths between a current sensor element and a measuring device are coupled to a predetermined electric potential for a short time. A change in the subsequent measurement results can then be analyzed to see if they are indicative of a possible malfunction during the measurement.

Abstract: A method for generating an output data stream from an input data stream, a processing unit receives a first input data stream including a first data set, and this processing unit receives, from a further processing unit, a second set of metadata, which describes a second data set of a second input data stream of this further processing unit, the processing unit outputs or does not output, as a function of the second set of metadata, an output data set of the output data stream generated from the first data set.

Abstract: In a method for establishing a degree of browning of food to be cooked in a cooking chamber of a household cooking appliance, a reference image is captured by a camera of the household cooking appliance, which camera is directed into the cooking chamber. A first measurement image is captured at a first brightness of a light source of the household cooking appliance, and a second measurement image is captured at a second brightness of the light source. A difference image is generated from the first measurement image and the second measurement image, and the difference image is compared with the reference image.

Abstract: A method for redundant processing of data by at least two processing units is described. After a restart or reset, the first processing unit of the at least two processing units receives first portions of the data for processing from at least one second processing unit of the at least two processing units.

Abstract: A method for operating an electrical machine, in particular for making available drive power for a drive train of a motor vehicle, the electrical machine being controlled by several phase currents, the method including sensing an electrical variable that represents the torque delivered by the electrical machine; and monitoring the torque. A degradation of the electrical machine is taken into consideration in the monitoring of the torque.

Abstract: A method for redundant processing of data by at least two processing units is described. After a restart or reset, the first processing unit of the at least two processing units receives first portions of the data for processing from at least one second processing unit of the at least two processing units.

Abstract: A method for generating an output data stream from an input data stream, a processing unit receives a first input data stream including a first data set, and this processing unit receives, from a further processing unit, a second set of metadata, which describes a second data set of a second input data stream of this further processing unit, the processing unit outputs or does not output, as a function of the second set of metadata, an output data set of the output data stream generated from the first data set.

Abstract: A method for checking calculation results in a system including multiple processing units including receiving a data frame from one of the processing units, the data frame includes an application identification and a number of comparison values of the processing unit, the comparison values of the processing unit are sorted into a buffer memory on the basis of the application identification, it is checked whether the buffer memory under the application identification contains the comparison values of all processing units, and if the comparison values are completely present, the comparison values are compared.

Abstract: A method for initiating an operation under emergency conditions of a motor vehicle, the method including detecting a malfunction of a component of the motor vehicle; checking whether an operation under emergency conditions is possible; reporting the malfunction to the driver; initiating the operation under emergency conditions under predefined conditions, the operation under emergency conditions being initiated following an active confirmation by the driver.

Abstract: In a method for operating an at least three-phase electric machine used as a drive assembly in a motor vehicle, which is actuated via an inverter, the inverter including switching elements in the form of half bridges which are in each case electrically connected to a respective phase of the electric machine, when a first switching element of a first half bridge connected to a first phase is permanently closed/opened on account of failure, a second switching element of the first half bridge is permanently opened/closed and, in a first angular range of an electrical rotation, which is uninfluenced by the first phase, all switching elements of the additional half bridges are actuated in the usual manner.

Abstract: A method for checking the plausibility of a torque of an electric machine, calculated on the basis of a machine model, in which a first value of an electromagnetic power of the electric machine is determined from the calculated torque and a rotational speed of the electric machine. Stator current components and stator phase voltage components are calculated from the stator currents and the stator phase voltages with respect to a reference system, which is fixed in relation to the stator. A second value of the electromagnetic power of the electric machine is determined from the stator current components and the stator phase voltage components. If a deviation of the first value of the electromagnetic power of the electric machine from the second value exceeds a predefined power threshold value, the torque of the electric machine, calculated on the basis of the machine model, is classified as implausible.

Abstract: A method for operating an electric vehicle, the electric vehicle having an electric motor and a brake device, and the electric motor and the brake device being capable of being influenced by a control device. When the electric vehicle is at a standstill, when there is an error of the control device, the brake device is actuated so that the electric vehicle cannot move, or at least can move only to a very limited extent.

Abstract: A method for initiating an operation under emergency conditions of a motor vehicle, the method including detecting a malfunction of a component of the motor vehicle; checking whether an operation under emergency conditions is possible; reporting the malfunction to the driver; initiating the operation under emergency conditions under predefined conditions, the operation under emergency conditions being initiated following an active confirmation by the driver.

Abstract: A method for operating an electrical machine, in particular for making available drive power for a drive train of a motor vehicle, the electrical machine being controlled by several phase currents, the method including sensing an electrical variable that represents the torque delivered by the electrical machine; and monitoring the torque. A degradation of the electrical machine is taken into consideration in the monitoring of the torque.

Abstract: In a method for determining the torque of an internal combustion engine of a motor-vehicle hybrid drive device which further includes a secondary electric motor coupled to the internal combustion engine, the torque of the internal combustion engine is determined at at least one operating point by comparison to the known torque of the secondary motor.

Abstract: In a method for operating an at least three-phase electric machine used as a drive assembly in a motor vehicle, which is actuated via an inverter, the inverter including switching elements in the form of half bridges which are in each case electrically connected to a respective phase of the electric machine, when a first switching element of a first half bridge connected to a first phase is permanently closed/opened on account of failure, a second switching element of the first half bridge is permanently opened/closed and, in a first angular range of an electrical rotation, which is uninfluenced by the first phase, all switching elements of the additional half bridges are actuated in the usual manner.

Abstract: A method for checking the plausibility of a torque of an electric machine, calculated on the basis of a machine model, in which a first value of an electromagnetic power of the electric machine is determined from the calculated torque and a rotational speed of the electric machine. Stator current components and stator phase voltage components are calculated from the stator currents and the stator phase voltages with respect to a reference system, which is fixed in relation to the stator. A second value of the electromagnetic power of the electric machine is determined from the stator current components and the stator phase voltage components. If a deviation of the first value of the electromagnetic power of the electric machine from the second value exceeds a predefined power threshold value, the torque of the electric machine, calculated on the basis of the machine model, is classified as implausible.

Abstract: A method for monitoring a drive state, particularly a non-driven drive state of an electric motor, which is fed with energy using a bridge inverter having at least one half bridge, having detecting of a state of the at least one half bridge, detecting a property of a control signal for driving the at least one half bridge, and monitoring the drive state based on the detected state of the at least one half bridge and the detected property of the control signal.

Abstract: In a vehicle, e.g., a hybrid vehicle, having an electrical device, which has an inadmissibly high voltage for being touched by a person, a signaling sensor configured to respond in the event of an accident is connected to a warning device for signaling the voltage level.