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 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 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 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 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 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 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.

Abstract: A method for creating a software image of at least a part of a control device for a numerical simulation, the control device mapping an input vector of control device input variables to an output vector of control device output variables during operation. The creation of the software image is formed by an artificial neural network or a support vector machine, using an input vector of map input variables having control device input variables of interest, and using an output vector of map output variables having control device output variables of interest. The software image is trained with the aid of supervised learning or with the aid of reinforcement learning, using a plurality of training input vectors of the control device input variables of interest and, in the case of the supervised learning, also using a plurality of corresponding training output vectors of the control device output variables of interest.

Abstract: A simulation device and a method for outputting image data from a virtual environment of a vehicle to a control unit is proposed, which are designed to perform at least one vehicle function dependent on the image data. An environment simulator is configured to simulate the environment of the vehicle, and transmits data about the environment to a sensor simulator, which is configured to simulate at least one sensor of the vehicle dependent on the data about the environment for detecting the environment and to output the image data dependent on its simulation. The environment simulator is designed to determine the data about the environment at simulation clock times and to transmit these to the sensor simulator dependent on the simulation clock times, and wherein the sensor simulator is configured to output the image data at sensor clock times.

Abstract: A virtual test environment for a driver assistance system, in which virtual road users are simulated on a game theoretic basis. The virtual test environment is designed to recognize as a game situation at least one predetermined traffic situation in the virtual test environment in which a first road user and a second road user are involved, to designate the first and second road users as a first and second player. A payoff matrix assigned to the game situation is stored in the virtual test environment. The virtual test environment is designed to assign a strategy from a selection of strategies to each of the two players in the game situation, depending on the balance of their respective point account, and to control each of the two players in the game situation in such a manner that they behave in accordance with their respective assigned strategy.

Abstract: A validation system for executing a method for prioritizing validation tasks, wherein the validation tasks are carried out by execution units of the validation system, wherein the execution units are divided into at least two groups and each group is assigned capabilities by the validation system and/or by a user of the validation system, so that execution units of a respective group have the capabilities of the group and, when the validation tasks are executed automatically by the validation system and/or by the user, a requirement of the respective validation task for the capability of the execution units and a priority for execution are specified and, taking into account the priorities and the capable execution units, an execution sequence is determined and the validation task is executed according to the execution sequence by the capable execution units.

Abstract: A recording device for a recording of a serialized image data stream from a sensor device. The recording device comprises a deserializer for deserializing the image data stream. To configure the first deserializer, the recording device comprises a configuration device, which records a configuration data stream transmitted by a receiving device for the purpose of configuring a serializer arranged in the sensor device and derives a configuration of the deserializer of the recording device by an analysis of the recording of the configuration data. In an example, the derivation takes place by an abstraction of the configuration of the serializer into a functionality of the serializer, a derivation of a functionality of the first deserializer from the functionality of the first serializer, and a concretization of the functionality of the first deserializer into a configuration of the first deserializer.

Abstract: A device for testing an electronic control unit with a hardware-in-the-loop simulator to simulate at least one sensor signal and equipped with a two-wire cable via which the sensor signal is outputted, and with a switchover device which is connected to the hardware-in-the-loop simulator via the two-wire cable, so that the sensor signal is receivable from the switchover device. The two-wire cable in the switchover device is routed to a two-pole interface of the switchover device to which the electronic control unit can be connected in order to receive the sensor signal, and the switchover device has two voltage sources, each of which is assigned to a wire of the two-wire cable and can be connected to the respective wire via a controllable switch. In this way, it is possible to continue to supply the sensor with electrical energy via two switchable voltage sources during diagnostics, thus avoiding diagnostic errors.

Abstract: A method for testing at least one electronic control device as a virtual control device on a simulator, which includes at least one simulator computing unit. The electronic control device has a hardware configuration with at least one computing unit (and an external interface for exchanging data. A software configuration is assigned to the hardware configuration. The electronic control device is mapped to the virtual control device in that the internal functionality of the software configuration of the electronic control device is taken over as the internal functionality of a software configuration of the virtual control device. External interface functionality of the electronic control device is replaced by a data transfer functionality of the software configuration of the simulator computing unit. The software configuration of the virtual control device being translated into executable code for the simulator computing unit and executed on the simulator.

Abstract: A testing device for testing a distance sensor includes: a receiver for receiving an electromagnetic free-space wave as a receive signal; an analog-to-digital converter configured to, in a simulation mode, convert the receive signal into a sampled signal; a signal-processing unit configured to: delay the sampled signal or a modulated sampled signal to form a delayed sampled signal or a modulated delayed sampled signal; and modulate, upon the sampled signal or upon the delayed sampled signal, a predeterminable Doppler signature as a characteristic motion profile of a reflecting object to be simulated to form the modulated sampled signal or the modulated delayed sample signal; a digital-to-analog converter configured to convert the modulated or the modulated delayed sampled signal into a simulated reflected signal; and a transmitter configured to radiate the simulated reflected signal or a simulated reflected signal derived from the simulated reflected signal as an output signal.

Abstract: A failure insertion unit for connection to an object under test connected to a bus or network interface, wherein the object under test can be subjected by means of the failure insertion unit to fault voltages that are greater than the maximum voltage for which the bus or network interface is designed, with a fuse circuit which protects a bus or network interface connected to the failure insertion unit from voltages that are greater than the maximum voltage for which the bus or network interface is designed. This provides a way to be able to use failure insertion units even in systems that work with buses with high bandwidths without the risk of damaging bus or network interfaces due to overvoltages.