Abstract: A measurement system for measuring a device under test is described. The measurement system includes a control and analysis module composed of one or more circuits, a stimulus module composed of one or more circuits, and a measurement interface composed of ,for example, one or more circuits. The stimulus module is configured to generate an electric stimulus signal based on predefined measurement parameters. The measurement system is configured to be connected to a device under test via the measurement interface. The measurement interface is configured to forward the electric stimulus signal from the stimulus module to the device under test. The measurement interface further is configured to forward a response signal from the device under test to the control and analysis module, wherein the response signal corresponds to a response of the device under test to the stimulus signal. The control and analysis module is configured to analyze the response signal, thereby generating a set of analysis data.

Abstract: A power supply comprises a control unit for adjusting a power output by the power control unit in response to a control signal. The power supply further includes a processing unit configured to generate the control signal using a control model and based at least on one or more sensor signals supplied to the processing unit. The processing unit is configured to communicate via an interface with an external processing entity to receive a data set for generating the control model and/or to receive the control model, and/or to transmit the model to the external processing entity.

Abstract: A battery emulation apparatus for supplying a device-under-test (DUT) with electrical power, comprising output terminals for connecting the DUT and an output voltage module providing a variable DC output voltage. A user interface receives a user input comprising the setting of battery parameter(s) and measurement criteria. A data storage stores data representing battery models. A processor selects a battery model based on the parameter(s) and controls the output voltage module to emulate characteristics of the selected battery model(s) according the data, while supplying the DUT with the output voltage. The processor monitors a response of the DUT and/or the output voltage module to the emulated characteristics of the selected battery model(s), wherein the response comprises a physical measurement value. The processor evaluates said physical measurement value based on the set measurement criteria in order to assess the suitability of the selected model(s).

Abstract: A measurement system for measuring a device under test is described. The measurement system includes a control and analysis module composed of one or more circuits, a stimulus module composed of one or more circuits, and a measurement interface composed of ,for example, one or more circuits. The stimulus module is configured to generate an electric stimulus signal based on predefined measurement parameters. The measurement system is configured to be connected to a device under test via the measurement interface. The measurement interface is configured to forward the electric stimulus signal from the stimulus module to the device under test. The measurement interface further is configured to forward a response signal from the device under test to the control and analysis module, wherein the response signal corresponds to a response of the device under test to the stimulus signal. The control and analysis module is configured to analyze the response signal, thereby generating a set of analysis data.

Abstract: The invention regards a supplying device for supplying a signal and/or power to an external device and method for operating the same while protecting the connected external device. The device comprises an output terminal, a signal and/or power source connected to the output terminal, a processing unit configured to generate a control signal and supply the control signal to the signal and/or power source. Further, a storage unit stores a description of an allowed range of at least one characteristic of the signal and/or the power to be output. Via a feedback path, the processing unit is provided with a feedback signal comprising information on signal characteristics of the output signal and/or power.

Abstract: A battery emulation apparatus for supplying a device-under-test (DUT) with electrical power, comprising output terminals for connecting the DUT and an output voltage module providing a variable DC output voltage. A user interface receives a user input comprising the setting of battery parameter(s) and measurement criteria. A data storage stores data representing battery models. A processor selects a battery model based on the parameter(s) and controls the output voltage module to emulate characteristics of the selected battery model(s) according the data, while supplying the DUT with the output voltage. The processor monitors a response of the DUT and/or the output voltage module to the emulated characteristics of the selected battery model(s), wherein the response comprises a physical measurement value. The processor evaluates said physical measurement value based on the set measurement criteria in order to assess the suitability of the selected model(s).

Abstract: A power supply comprises a control unit for adjusting a power output by the power control unit in response to a control signal. The power supply further includes a processing unit configured to generate the control signal using a control model and based at least on one or more sensor signals supplied to the processing unit. The processing unit is configured to communicate via an interface with an external processing entity to receive a data set for generating the control model and/or to receive the control model, and/or to transmit the model to the external processing entity.

Abstract: A power supply comprising a transformer unit for transforming an AC voltage and AC current input on a primary side of the transformer unit into an AC voltage and AC current for supplying a load connectable to a secondary side of the transformer unit, a controllable switch controlled by a switch signal, and a processing unit. The processing unit is configured to generate the control signal based on a zero crossing information signal, further based on a set output voltage and/or a set output current, and further based on an actual output voltage and/or an actual output current.

Abstract: A power supply unit, preferably for a power analyzer, a power analyzer comprising a power supply unit and a method for operating a power supply unit, wherein the power supply unit comprises a feedback control unit controlling the output level of the voltage, the current or the power supplied to output terminals of the power supply unit on a preset value, means for sensing the actual output level of the voltage, the current or the power, respectively, and sending a signal representing the sensed output level to said feedback control unit, and means for detecting oscillations in the actual output of the voltage, the current or the power, respectively and for issuing an oscillation detection signal to the feedback control unit, wherein the feedback control unit is arranged to adapt at least one parameter value of the feedback control in response to a value of the oscillation detection signal.

Abstract: A DC power supply and a method for operating a DC power supply, wherein the DC power supply comprises at least one feedback-controlled preregulator, at least one feedback-controlled postregulator supplied by the feedback-controlled preregulator, output terminals for supplying regulated constant current or regulated constant voltage to a load, and a control unit for controlling at least one of the feedback-controlled preregulator and the feedback-controlled postregulator, and designed for adjusting a voltage offset or a current offset added to a signal in a feedback loop of at least one of the feedback-controlled preregulator and the feedback-controlled postregulator.

Abstract: A DC power supply and a method for operating a DC power supply, wherein the DC power supply comprises at least one feedback-controlled preregulator, at least one feedback-controlled postregulator supplied by the feedback-controlled preregulator, output terminals for supplying regulated constant current or regulated constant voltage to a load, and a control unit for controlling at least one of the feedback-controlled preregulator and the feedback-controlled postregulator, and designed for adjusting a voltage offset or a current offset added to a signal in a feedback loop of at least one of the feedback-controlled preregulator and the feedback-controlled postregulator.

Abstract: A vehicle black box for implementation in a vehicle is described. The vehicle black box includes a sensor interface for receiving sensor data of a sensor module sensing at least one physical vehicle parameter. Further, the vehicle black box includes a wireless module for receiving a radio frequency signal, wherein the wireless module generates IQ data based on the radio frequency signal received. The vehicle black box also includes a recording module with a first memory for temporarily storing the IQ data generated and a second memory for permanently storing the IQ data generated. Moreover, the vehicle black box has a processing unit configured to receive and evaluate the sensor data, wherein the processing unit is further configured to control a transfer of the IQ data from the first memory to the second memory based upon the evaluation result. A vehicle and a method of gathering data associated with at least one physical vehicle parameter are also described.

Abstract: A DC power supply and a method for operating a DC power supply, wherein the DC power supply comprises at least one feedback-controlled preregulator, at least one feedback-controlled postregulator supplied by the feedback-controlled preregulator, output terminals for supplying regulated constant current or regulated constant voltage to a load, and a control unit for controlling at least one of the feedback-controlled preregulator and the feedback-controlled postregulator, and designed for adjusting a voltage offset or a current offset added to a signal in a feedback loop of at least one of the feedback-controlled preregulator and the feedback-controlled postregulator.

Abstract: A DC power supply and a method for operating a DC power supply, wherein the DC power supply comprises at least one feedback-controlled preregulator, at least one feedback-controlled postregulator supplied by the feedback-controlled preregulator, output terminals for supplying regulated constant current or regulated constant voltage to a load, and a control unit for controlling at least one of the feedback-controlled preregulator and the feedback-controlled postregulator, and designed for adjusting a voltage offset or a current offset added to a signal in a feedback loop of at least one of the feedback-controlled preregulator and the feedback-controlled postregulator.

Abstract: A power supply unit, preferably for a power analyzer, a power analyzer comprising a power supply unit and a method for operating a power supply unit, wherein the power supply unit comprises a feedback control unit controlling the output level of the voltage, the current or the power supplied to output terminals of the power supply unit on a preset value, means for sensing the actual output level of the voltage, the current or the power, respectively, and sending a signal representing the sensed output level to said feedback control unit, and means for detecting oscillations in the actual output of the voltage, the current or the power, respectively and for issuing an oscillation detection signal to the feedback control unit, wherein the feedback control unit is arranged to adapt at least one parameter value of the feedback control in response to a value of the oscillation detection signal.

Abstract: A power supply unit, preferably for a power analyzer, a power analyzer comprising a power supply unit and a method for operating a power supply unit, wherein the power supply unit comprises a feedback control unit arranged for selectively controlling the output level of the voltage or the output level of the current to output terminals of the power supply unit on a preset value, and means for sensing the actual output level of the voltage and current, respectively, and sending a signal representing the sensed output level to said feedback control unit, wherein the feedback control unit is arranged to autonomously prioritize or activate at least a first control loop for the controlling of the output level of the current or a second control loop for the controlling of the output level of the voltage, based on data generated within the power supply unit and/or externally generated data supplied to the power supply unit.

Abstract: The present invention relates to a power supply device, comprising a pre-regulator for generating an auxiliary signal by regulating an input signal; a post-regulator for providing an output signal by regulating the auxiliary signal generated by the pre-regulator; and a processing unit for providing a first arbitration signal to the pre-regulator and for providing a second arbitration signal to the post-regulator. The input signal is regulated based on the first arbitration signal, and the auxiliary signal is regulated based on the second arbitration signal. The second arbitration signal comprises a time delay relative to the first arbitration signal. The first arbitration signal and the second arbitration signal are chosen such that a voltage of the auxiliary signal being generated by the pre-regulator is higher than a voltage of the output signal being provided by the post-regulator.

Abstract: A power device is described that comprises an input for receiving an inputted signal, an output for outputting an outputted signal, a sensor unit for sensing at least one parameter assigned to the power device, and a calibration unit for providing settings of the power device. The sensor unit is connected with the calibration unit. The calibration unit is configured to adjust the settings of the power device based on the at least one parameter sensed. Further, a method for operating a power device is described.