Abstract: A real-time simulation of a laser beam scanning of a complex of small objects. The device includes a virtual environment with a monolithic 3D model of the complex of small objects, and a sensor simulation for simulating a sensor for measuring distance with the aid of a laser beam. A ray casting routine simulates a laser beam. A distortion routine ascertains an angle of incidence of the laser beam on a surface of the 3D model and selects an intensity distribution assigned to the ascertained angle of incidence from a database. An intensity portion of a reflection of the laser beam is read out as a function of a penetration depth of the laser beam into the complex of small objects. The distortion routine calculates a distorted distance measurement to simulate a plurality of reflections of the laser beam on a plurality of small objects.

Abstract: A computer-implemented method and system for classifying a predefined traffic situation comprised by a data record of environment data of a motor vehicle, with an application of a directed graph to the first data record. Nodes of the directed graph segment the first data record in each case into at least one segment of a movement behavior of the ego vehicle and/or the fellow vehicle relative to a vehicle environment according to a first condition satisfied in a time interval comprising edges of the directed graph symbolizing links between the respective nodes. The predefined traffic situation is classified if all of the specified segments meet a second condition of the predefined traffic situation. A class is outputted representing the predefined traffic situation and/or a respective start and end time of the second data record comprising a segment representing the predefined traffic situation.

Abstract: A method is provided for data communication between at least one subregion of an FPGA and another region, in which the data communication is resource efficient. This is achieved by the fact that the data communication, i.e., the reading and writing of a Block RAM from a location to any Block RAM or from any Block RAM to any Block RAM of the FPGA takes place via command sequences of an internal configuration interface of the FPGA.

Abstract: A test system for applying a method for resource-optimized parameter variation of scenarios for testing at least one real and/or virtual system under test and/or for displaying test results. At least one scenario is provided, wherein the scenario is defined by at least one parameter and wherein the parameter is configured by at least one numeric value and/or text value, wherein the numeric value and/or the text value is configurable by additional numeric and/or text values. At least one scenario-based test is performed, wherein the scenario is defined by and is varied over configured parameters. The test results is outputted.

Abstract: A test arrangement for testing a surroundings sensor. The test arrangement includes a receptacle for the surroundings sensor, which is configured to emit a surroundings signal. A first object simulator is configured to receive the surroundings signal as a first receive signal. A second object simulator is configured to receive the surroundings signal as a second receive signal. A processor is configured to ascertain a signal difference, in particular, a phase difference and/or a frequency difference, from the first and second receive signals, and to ascertain, as a function of the signal difference, a spatial relationship between the surroundings sensor, the first object simulator, and/or the second object simulator.

Abstract: A method for inputting and/or outputting signals having a selectable sample rate in a time-synchronized manner on a group of input and/or output channels of an electronic circuit includes: configuring each channel of the group at a standard sample period; synchronously initiating all the channels of the group at the standard sample period; detecting an entry for a modified sample period TPeriod of a first channel of the group; detecting a current counter value TCounter; configuring the first channel at the modified sample period; establishing a waiting time of TWaiting clocks in accordance with TWaiting=TPeriod?mod(TCounter, TPeriod), where mod (TCounter, TPeriod) denotes the division remainder from the current counter value TCounter and the modified sample period TPeriod; and initiating the first channel after the waiting time TWaiting.

Abstract: An electronic circuit for uniform distribution of a current includes: a first MOSFET and a second MOSFET, wherein the first MOSFET and the second MOSFET are connected in parallel in order to distribute a current applied to an input terminal, the current flowing towards an output terminal of the electronic circuit, wherein the input terminal is respectively connected to a drain terminal of the first MOSFET and to a drain terminal of the second MOSFET; and a terminal for a control voltage, wherein the control voltage is applied to a gate terminal of the first MOSFET and to a gate terminal of the second MOSFET. The first MOSFET comprises a first resistor at the gate terminal of the first MOSFET, and the second MOSFET comprises a second resistor at the gate terminal of the second MOSFET.

Abstract: A simulator for the simulation of a distance for sensors (radar, LIDAR). The simulator includes a receiver, which is set up to receive a first sensor signal from the sensors (radar, LIDAR) and convert it into a work signal. A delay section with a plurality of delay lines is applied to at least one substrate. A first electrical switching device, which is set up to switch a first selection of delay lines as a function of a first selection signal in such a way that a signal path for the work signal includes the first selection. A transmitter is set up to convert the work signal into a second sensor signal after running through the signal path and send it to the sensors (radar, LIDAR). A method for operating the simulator and a delay section for the simulator are also provided.

Abstract: A computer-implemented method and system for the criteria-based creation of a scenarios library having virtual vehicle environments, for testing highly automated driving functions of a motor vehicle. Using predetermined criteria, a first scenario data set is determined representing a driving situation of interest and comprised by the sensor data. The first scenario data set, representing the driving situation of interest, is compared with second scenario data sets included in the scenarios library. A computer-implemented method for validating a model quality of a simulation model for performing a highly automated driving function of a motor vehicle is also provided.

Abstract: A computer-implemented method to test an execution of at least one control unit function of a control unit via at least one computing unit of a simulation environment on a simulator. The control unit function is executed with a zero-time assumption of a discretely advancing simulation time between successive simulation steps in an event-oriented discrete simulation on the simulator. A cause of deadlock situations in the simulation are identified in that an observation service operated on the simulator compares the advance of the discrete simulation time with the advance of a simulator real time and, if the advance of the simulator real time beyond the advance of the discrete simulation time exceeds a predetermined limit value, at least indirectly creates stack traces of the at least one computing unit.

Abstract: A computer-implemented method for creating a hierarchical block diagram in a graphical development environment includes: automatically creating a hierarchical black box for a respective further subsystem block. The hierarchical black box is configured to resolve a corresponding hierarchical level when selected by a user. The automatic creation is carried out via a callback function. The hierarchical black box has the following features: at least one interface description and/or graphical representation of the inputs/outputs of the respective further subsystem block in its hierarchical level, which the respective further subsystem block previously also occupied; at least one reference to model content for the respective further subsystem block, comprising further black boxes for the further subsystem blocks in the subordinate hierarchical levels; parameters that the respective further subsystem block previously also had; and generated source code of the respective further subsystem block.

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 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.