Abstract: A method for transforming recorded communication data by means of a first program, wherein the communication data is given by messages from a network or bus communication, wherein the recorded communication is carried out on the basis of a first communication matrix, wherein the recorded communication data is provided to be sent by means of a test system to an ECU under test, wherein the test system is connected via a first communication link to the ECU under test, wherein the ECU under test is configured based on a second communication matrix.

Abstract: A test arrangement for testing a power electronics controller, wherein the controller has supply connections and load connections. A plurality of power electronics modules each have supply connections, at least one load connection, and an interface for controlling the power electronics module. In an operational state of the test arrangement, the supply connections of the controller are each connected to the load connection of a supply-side power electronics module and the load connections of the controller are each connected to the load connection of a load-side power electronics module. Thus, a rapid supply-side current regulation can be realized in a simple way in that the control device calculates at least the determined actual currents at the load connections of the supply-side power electronics modules from determined electrical connection variables of the load connections of the load-side power electronics modules for use for the feedforward control.

Abstract: A system for testing control units via simulation includes: a simulator; a host computer; and at least one connection for a communication system. At least one communication tool is stored on the system. Real control units are connectable to the system via the communication system. At least one controller is provided on the system for the connection to the communication system. Driver software for the at least one controller is stored on the system. The at least one communication tool is configured to generate communication code for communication between simulated control units and/or the real control units, wherein the communication code is configured to interact with the driver software and to relay signals and/or messages from the real and simulated control units to the driver software and to receive the signals and/or messages from the driver software. A loop mode is provided for the driver software.

Abstract: The invention relates to a method for testing control software of a control device, the control device providing data streams (12) for evaluation, said method having the steps of: —generating a first and a second tree structure for displaying the data streams (12) in a display region in a table-like arrangement (10) having a plurality of rows (14) and a plurality of columns (16), wherein—the first tree structure comprises a first multidimensional list, —the first multidimensional list comprises a plurality of row element lists, —the row element lists comprise a plurality of elements (20), —each element (20) can be linked in the row element list to a data stream (12), —the element (20) specifies the column (16) in which the data stream (12) to which the element (20) can be linked is displayed; wherein—the second tree structure comprises a second multidimensional list, —the second multidimensional list comprises a plurality of column element lists, —the column element lists comprise the plurality of elements (2

Abstract: A method for testing at least one control unit. At least two separate networks are provided on a simulator, wherein the control unit under test is connected to the simulator via a first network and a first control unit interface. The control unit under test is intended to communicate with at least one further control unit. The communication of the first further control unit is at least partly in the form of recorded messages. A playback unit for playing back the recorded messages is connected via at least one playback interface to the second network or a third network on the simulator. The playback unit is connected to the simulator via the playback interface.

Abstract: A method for configuring model components of a system model in a model-based test environment, wherein the test environment comprises a model editor, wherein the test environment is executed on a computer system having a processor and a display, and wherein the model components have a plurality of ports, comprising the following steps: S1) Loading the system model into the model editor, S2) receiving a user selection for at least a first port comprising a graphical port identifier, S3) assigning the selected graphical port identifier to a list, S4) displaying the list in the test environment, S5) receiving a user selection for the first port identifier from the list, S6) receiving a user selection for a second port, S7) connecting the first port to the second port by a signal connection.

Abstract: A method for sending registered secure messages via a messaging system to a receiver device that is to be tested includes: supplying first secure and still serialized messages from message packages for processing in a reproduction unit; in the first messages, reducing the data volume of the serialized messages; deserializing the reduced first messages and creating second secure messages by adding a second counter value in each case or, where applicable, by replacing a first counter value with the second counter value, and creating and adding a second authenticator in each case by using the second counter value, the encryption information, and the key, and by using the communication description or the information obtained by applying a data interpretation algorithm; and serializing the second secure messages and sending corresponding message packages to the receiver device to be tested.

Abstract: Provided is a computer-implemented method for the automated testing of functions, in particular safety functions, integrated into an end-to-end process from data collection in the vehicle to updating the driving function back into the vehicle and/or virtual homologation of at least partially autonomous driving functions to be tested.

Abstract: A method for generating source code from one or more blocks of a block diagram that comprises at least two non-virtual blocks and at least one signal link between two non-virtual blocks includes: transforming the block diagram into an intermediate representation, wherein transforming the block diagram into the intermediate representation comprises transforming a first block having access to a multi-component variable; successively optimizing the intermediate representation; and translating the optimized intermediate representation into source code. Transforming the first block comprises: testing whether a block pair made up of the first block and an adjacent block comprises an equal assignment; and removing any assignments in which a reference to the same variable exists on both sides.

Abstract: A method for determining similarity values of traffic scenarios based on movement profiles of traffic participants in the traffic scenarios includes: generating, by a test device, at least one movement profile of a traffic participant using measurement data, wherein the at least one movement profile comprises at least one movement element, and wherein a new segment in the at least one movement profile begins with a change of a movement element; generating, by the test device, a sequence of the at least one movement profile for an ego vehicle and/or a fellow vehicle of a traffic scenario, wherein a sequence change is generated based on a segment being changed for a movement element; determining, by the test device, a measure of similarity based on movement profiles from at least two traffic scenarios by comparing respective sequences created from the movement profiles; and providing the measure of similarity.

Abstract: A test device for testing a distance sensor operating with ultrasonic waves, wherein the distance sensor to be tested comprises at least a sensor radiating element for emitting a transmission signal and a sensor receiving element for receiving a reflected signal. For effective and accurate testing and stimulation of the distance sensor, the test device has a test receiving element for receiving ultrasonic waves emitted from the distance sensor to be tested, and at least one test radiating element for radiating test ultrasonic waves, and a signal processing unit, wherein ultrasonic waves received by the test receiving element are transmitted as a received signal to the signal processing unit and the signal processing unit, as a function of the received signal and simulation distance information relating to a distance to be simulated, and determines an excitation signal for the test radiating element.

Abstract: A test arrangement for emulating phase currents of an electric motor for testing a power electronic control unit. The control unit drives the electric motor and can be connected to the test arrangement. An inductance emulator simulates the electric motor as an electrical load for the control unit via a power electronic circuit, the inductance emulator acting as a current source. A test device influences the phase current of the inductance emulator as a function of an analysis of an output voltage of the control unit. The test device performs the analysis such that the output voltage of the control unit is compared with multiple, preferably three, voltage ranges, and a respective range for a control variable of the phase current is specified depending on the voltage range in which the output voltage of the control unit is located, which control variable is a control voltage of the inductance emulator.

Abstract: A test assembly and a method for emulating the phase currents of an electric motor for testing a power electronics control unit, which is designed to control the electric motor and can be connected to the test assembly. The test assembly has an inductor emulator that simulates the electric motor as an electrical load for the control unit using a power electronics circuit, wherein the inductor emulator acts as a power source. Furthermore, the test assembly has a testing device that is designed to switch the inductor emulator to another operating state depending on an analysis of a variable dependent on an output voltage of the control unit.

Abstract: A test arrangement for emulating the phase currents of an electric motor for testing a power electronics controller. The controller is set up to drive the electric motor and is connectable to the test arrangement. The test arrangement includes an inductance emulator which simulates the electric motor as an electrical load for the controller by means of a power electronics circuit, and includes a test device that is set up to switch the inductance emulator to a different operating mode depending on an analysis of an output voltage at an output of the controller. A method is also provided for emulating the phase currents of an electric motor by means of a test arrangement for testing a controller.

Abstract: A computer-implemented method and system for determining mutually compatible system elements required for an error-free execution of a virtual test and/or a simulation of a vehicle device and/or a vehicle function, with the steps: providing a parked selection or selecting of at least one first system element required for executing the virtual test and/or the simulation of the vehicle device and/or the vehicle function; determining at least one second system element supporting a compatibility requirement of the first system element; and outputting the determined second system element required for the error-free execution of the virtual test and/or the simulation of the vehicle device and/or the vehicle function and supporting the compatibility requirement of the first system element.

Abstract: The invention relates to a computer system and method having at least one peripheral device, a control module for controlling the peripheral device, and a connection module, which is connected to the control module via a first data link. The connection module has I/O data ports for exchanging pieces of information with the peripheral device, and the peripheral device is connected to one or multiple of the I/O data ports via a second data link. The number of channels in the first data link is smaller than the number of I/O data ports of the connection module. The control module includes a first gateway, which receives pieces of setpoint state information relating to the I/O data ports of the connection module.

Abstract: A test arrangement for testing a power electronics controller. An intermediate network current in the electrical intermediate network is reduced in that the intermediate network current flowing in the intermediate network is determined by the controller and the controller changes at least one control value of at least one of the load-side power electronics modules in such a way that the intermediate network current is reduced when the interface of the load-side power electronics module is applied with the modified control value.

Abstract: A simulation device and method for a surroundings sensor system configured to detect at least one particular object based on a respective signal echo. A receiving device configured to receive a first signal that is sent from the surroundings sensor system and to convert it into a first operating signal. A signal path that is connected to the receiving device for accepting the first operating signal, the signal path being configured to generate, via a first signal processing, a second operating signal that is a function of the first operating signal and the respective signal echo. The respective signal echo being characterized by at least one signal parameter. A second signal processing being provided to provide the at least one signal parameter with a variation. A transmitting device configured to convert the second operating signal into a second signal and to send the second signal to the surroundings sensor system.

Abstract: A method for configuring model components of a system model in a model-based test environment, wherein the test environment comprises a model editor, wherein the test environment is executed on a computer system having a processor and a display, and wherein the model components have a plurality of ports, comprising the following steps: S1) Loading the system model into the model editor, S2) receiving a user selection for at least a first port comprising a graphical port identifier, S3) assigning the selected graphical port identifier to a list, S4) displaying the list in the test environment, S5) receiving a user selection for the first port identifier from the list, S6) receiving a user selection for a second port, S7) connecting the first port to the second port by a signal connection.

Abstract: A computer-implemented method and system for simulating a program modeled as one or more blocks of a block diagram in a computing environment. The one or more blocks having at least one signal, the computing environment including a model editor, a data definition tool and a code generator. The method includes: Simulating the block diagram for a first time span in the simulation environment, Displaying the values of the signal as a function of the simulation time, Receiving a pause command at a specific simulation time and a new value for the parameter, Simulating the block diagram for a second time span in the simulation environment, and Displaying both the values of the signal from the first time span and the values of the signal from the second time span. The values from the second time span are displayed graphically different from those of the first time span.