Patents Assigned to dspace digital signal processing and control engineering GmbH
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Patent number: 8942948Abstract: An apparatus for measuring electrical variables includes an external measuring connection, and a converter that converts a plurality of measurement variables into respective electrical measurement variables of a single predefined type. A control device for controlling the converter is provided and at least one type of variable to be measured with the converter can be selected via the control device, and a converter for at least two types of variables to be measured respectively has at least one independent input stage that can be used to detect the measurement variable of the type to be measured and to convert it into a predefined or predefinable type of variable. An electrical signal provided at the measuring connection is analysed in a parallel manner with respect to at least two different criteria via at least two input stages for different types of variables to be measured.Type: GrantFiled: January 13, 2012Date of Patent: January 27, 2015Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Dirk Hasse, Andreas Hostmann, Robert Polnau
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Patent number: 8892948Abstract: A configuration device for the graphical creation of at least one test sequence for controlling a test device having at least one electronic computer. The test device is controllable according to the created test sequence. The configuration device has at least one display device, graphical library functional elements being displayed with the display device in a library field. The test sequence can be created by placing at least one instance of a library functional element in a configuration field. The instance of a library functional element is placed in the configuration field. The graphical library functional element can be provided with a function placeholder, whereby the function placeholder in the instance of the library functional element can be provided with an instance functionality, whereby the reference of the instance of the library functional element to the library functional element is retained.Type: GrantFiled: June 4, 2012Date of Patent: November 18, 2014Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Ulrich Louis, Erkan Bostanci, Dirk Hartmann, Raimund Sprick, Thomas Jaeger
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Publication number: 20140333344Abstract: A method for implementing an adaptive interface between at least one FPGA with at least one FPGA application and at least one I/O module, which are designed as the corresponding sender side or receiver side, for connection to the FPGA, whereby a serial interface is formed between the at least one FPGA and the at least one I/O module, comprising the steps of configuring a maximum number of registers to be transmitted for each FPGA application, configuring a shared, fixed register width for all registers, setting an enable signal on the sender side for the registers to be transmitted out of the maximum number of registers to be transmitted, transmitting the enable signal from the sender side to the receiver side, and transmitting the registers, for which the enable signal is set, from the sender side to the receiver side.Type: ApplicationFiled: May 12, 2014Publication date: November 13, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Dirk HASSE, Robert POLNAU
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Publication number: 20140330401Abstract: A test device for testing at least a portion of a virtual control unit with a simulation environment in a simulator, having the virtual control unit and the simulation environment. The virtual control unit has at least one software component with an external data interface. The simulation environment has a data interface for indirect data exchange with the virtual electronic control unit. A reduced dependency between the virtual control unit and the simulation environment with the result that electrical fault simulation with virtual electronic control units is possible in a simpler way, is achieved in that a virtual control unit pin module and a virtual manipulation unit are additionally provided between the virtual control unit and the simulation environment, the two units transmit a virtual physical control unit signal through a virtual control unit pin of the virtual electronic control unit pin module. The virtual manipulation unit outputs a manipulated virtual physical control unit signal.Type: ApplicationFiled: May 6, 2014Publication date: November 6, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Ortwin Ludger FRANZEN, Karsten KRUEGEL
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Publication number: 20140330405Abstract: A test device for testing at least a portion of a virtual electronic control unit with a simulation environment in a simulator, having the virtual electronic control unit and the simulation environment. The virtual electronic control unit has a software component with an external data interface. The simulation environment has a data interface for direct data exchange with the virtual electronic control unit. A test device with reduced adaptation effort is implemented via a virtual electronic control unit pin module that has at least one virtual electronic control unit interface and is connected via the virtual electronic control unit interface to the external data interface of the software component of the virtual electronic control unit.Type: ApplicationFiled: May 6, 2014Publication date: November 6, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Ortwin Ludger FRANZEN, Karsten KRUEGEL
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Patent number: 8850386Abstract: A method for estimating a resource consumption of storage space and/or of required runtime of a control device program code to be generated for a control program, whereby the functionality of the control program is given in an executable model. The model has a function with first functional magnitudes and first information associated with the first functional magnitudes and optimization parameters for optimizing a code generator. A program code representation is generated for part of the model comprising the function by the code generator taking into account first values of the optimization parameters. An estimation unit comprises a resource model with hardware parameters. An estimated value for the storage space requirement is determined for the control device program code and/or a runtime estimated value is determined for the control device program code by the estimation unit taking into account the hardware parameters and based on the program code representation.Type: GrantFiled: July 23, 2012Date of Patent: September 30, 2014Assignee: dSPACE digital signal processing and control engineering GmbHInventor: Wolfgang Trautmann
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Publication number: 20140244231Abstract: A method for performing configuration of a control unit test system with hardware components connected thereto, wherein control units can be tested with the test system in an environment simulated by the test system by means of a model, and wherein the test system comprises at least one computer, in particular a computer executing the model, as well as hardware components, connected to one another by means of at least one network, in which at least a portion of the hardware components comprises a dedicated server (MIS) that, by means of communication, provides access to the configuration data associated with the hardware component, in particular stored in the hardware component, and the model and/or the hardware component is adapted, in particular configured, as a function of the configuration data that are made accessible.Type: ApplicationFiled: February 24, 2014Publication date: August 28, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Juergen PAULE, Juergen KLAHOLD
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Patent number: 8818615Abstract: A method is provided for processing data in an influencing device, whereby the influencing device is connected to a vehicle control unit and to a data processing unit. The vehicle control unit and the influencing device are disposed in a motor vehicle or, for example, on a test bench in a laboratory. A first program runs in the vehicle control unit. Data are exchanged according to an XCP protocol and/or a CCP protocol between the data processing unit and the influencing device. The influencing device has a second execution unit, which executes predetermined data processing steps more rapidly than the first execution unit. The data exchanged by the XCP protocol or the CCP protocol are checked for a predetermined criterion and, based on the result of the check, the data are processed either in the first execution unit or in the second execution unit.Type: GrantFiled: August 9, 2012Date of Patent: August 26, 2014Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Marc Dressler, Bastian Kellers, Daniel Hofmann, Thorsten Hufnagel
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Publication number: 20140236560Abstract: A method for performing an inventory of the hardware components connected to a control unit test system, wherein control units can be tested with the test system in an environment simulated by the test system by means of a model, and wherein the test system comprises at least one computer) and hardware components that are connected to one another by means of at least one network. For at least a portion of the hardware components, in particular of all simulation-specific hardware components, at least one item of component information that uniquely and digitally identifies the hardware component is read therefrom, and all identifying component information that has been read out is stored.Type: ApplicationFiled: February 21, 2014Publication date: August 21, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Thorsten BREHM, Susanne KOEHL, Juergen PAULE, Juergen KLAHOLD, Claus DIENER
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Publication number: 20140229723Abstract: A method for accessing a signal value of an FPGA at runtime, including the steps of loading an FPGA hardware configuration into the FPGA, executing the FPGA hardware configuration in the FPGA, requesting a signal value of the FPGA, sending status data from a functional level of the FPGA to a configuration memory in its configuration level, reading the status data from the configuration memory as readback data, and determining the signal value of the readback data. A method is also provided for making an FPGA build, based on an FPGA model, using a hardware description language, including the steps of creating an FPGA hardware configuration, identifying memory locations of a configuration memory for status data of at least one signal value based on the FPGA hardware configuration, and creating a list with signal values accessible at runtime and the memory locations corresponding thereto.Type: ApplicationFiled: February 11, 2014Publication date: August 14, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventor: Heiko KALTE
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Publication number: 20140222240Abstract: A device connectable to a control device for simulating an effect of at least one electrical or electronic load being connected to at least one terminal of the control device includes: a processing unit configured to at least one of compute and make available a control variable corresponding to the effect of the at least one electrical or electronic load that is to be simulated, and a power supply device: The power supply device includes at least one auxiliary voltage source configured to form at least one of a current source and a current sink and configured to receive the control variable from the processing unit. The at least one auxiliary source is configured to draw a current from the control device or impress a current on the control device based on the received control variable.Type: ApplicationFiled: April 10, 2014Publication date: August 7, 2014Applicant: DSPACE DIGITAL SIGNAL PROCESSING AND CONTROL ENGINEERING GMBHInventors: Joerg BRACKER, Marc DOLLE
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Publication number: 20140215270Abstract: A method for manipulating a memory operation of a control unit program on a memory of a virtual or real electronic control unit (ECU), such as is used in vehicles, for example. The manipulation of the memory operation is accomplished by a memory manipulation program component, via which a set of manipulation functions is provided, from which at least one manipulation function is selected, so that this function, by activating the memory manipulation program component, changes a memory access initiated by the control unit program in accordance with the selected manipulation function during execution of the control unit program.Type: ApplicationFiled: January 29, 2014Publication date: July 31, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Ulrich KIFFMEIER, Tobias SIELHORST
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Publication number: 20140214783Abstract: A computer-implemented method for data management of product variants in control unit development is provided. Consistent data management is ensured by initially specification of product features in a variant model, specification of components in at least one domain, and definition of feature/component dependencies by associating components with at least one product feature, and subsequently specification of at least one product variant of interest by selecting product features, specification of at least one domain of interest, automated identification of the components pertaining to the product variant of interest through automated evaluation of the feature/component dependencies, and automated output of the identified components.Type: ApplicationFiled: January 29, 2014Publication date: July 31, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Dirk STICHLING, Ansgar KUHLMANN, Andreas BOMERT, Daniel BECKE, Jobst RICHERT
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Patent number: 8791710Abstract: A battery emulation device for simulating a battery cell voltage at a terminal of a battery control unit in accordance with a setpoint value includes a control unit configured to determine the setpoint value and provide the determined setpoint value via a galvanically isolated interface; and at least one emulation channel, each including: a voltage source; an amplifier unit; connection lines for connecting the emulation channel; measurement lines; and a fault simulation device configured to simulate fault states.Type: GrantFiled: November 10, 2011Date of Patent: July 29, 2014Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventors: Joerg Bracker, Jens Driessen
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Publication number: 20140207994Abstract: A circuit arrangement for connecting a bus participant to at least one bus, having an interface for connecting the bus participant to the circuit arrangement, a first bus input, and a first bus output between which the bus participant is switchable via the interface. The circuit arrangement includes a second bus input and output for connecting the bus to the circuit arrangement in a ring topology in such a way that the first bus output is connected at least indirectly to the second bus input and the second bus output is connected at least indirectly to the first bus input via the bus. The bus in the circuit arrangement can be separated to obtain a line topology and can be configured as bus-terminating at one of the bus inputs or bus outputs. A system for the functional testing of bus participants on a bus in a simulation environment is provided.Type: ApplicationFiled: January 22, 2014Publication date: July 24, 2014Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Abdallah CHERKAOUI, Christian DIERKES, Lars KOPKA
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Patent number: 8768675Abstract: A method for simulating an effect of at least one electrical/electronic load includes: providing a controllable power supply unit that is connected to at least one terminal of a control unit; and simulating a first current theoretically flowing through a simulated load at the at least one terminal by drawing a second current from the control unit by the controllable power supply unit or impressing a third current on the control unit by the controllable power supply unit.Type: GrantFiled: October 6, 2006Date of Patent: July 1, 2014Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventors: Joerg Bracker, Marc Dolle
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Patent number: 8754663Abstract: A circuit for simulating an electrical load at a terminal of a test circuit having at least one first switch and at least one second switch includes a third switch connected to the first switch of the test circuit via a first external connection point. A fourth switch is connected to the second switch of the test circuit via a second external connection point. The first switch and the second switch are connected via a shared, first internal connection point to the terminal of the test circuit and the third switch and the fourth switch are connected via a shared, second internal connection point such that that the first switch, the second switch, the third switch and the fourth switch form an H-bridge circuit. A voltage source is configured to provide the first and second external connection points with a supply voltage. A controllable voltage source is connected in a transverse bridge branch between the terminal and the second internal connection point. An inductance is active in the transverse bridge branch.Type: GrantFiled: July 15, 2009Date of Patent: June 17, 2014Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventors: Thomas Schulte, Joerg Bracker
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Patent number: 8724267Abstract: A circuit arrangement for simulating a sensor includes two external connections configured to change at least one of a current intensity and a resistance between the two external connections as a function of a measured variable. The circuit arrangement comprises: (a) a current path connecting the two external connections having two field-effect transistors and a resistor, and (b) a circuit configured to actuate gates of the two field-effect transistors so as to at least one of control and regulate a current through the current path, wherein the resistor is configured as a shunt resistor connected to a bridge rectifier and the circuit configured to actuate the gates of the two field-effect transistors comprises a control circuit configured to detect and regulate the current in the current path via a voltage drop at the shunt resistor.Type: GrantFiled: August 3, 2011Date of Patent: May 13, 2014Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventor: Paul Gruber
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Patent number: 8707255Abstract: The invention relates to a method for testing the compatibility between two software components of a control device network, a technical interface description being assigned to each software component, this interface description having a specified description standard, and each description standard having a hierarchical position in an hereditary hierarchy of all possible description standards. The common description standard, which is nearest in the hereditary hierarchy, of the software components to be compared is determined based on the hereditary hierarchy, and the common portion of the respective interface descriptions is determined based on the common description standard of the common portion of the respective interface descriptions and compared with one another.Type: GrantFiled: March 23, 2006Date of Patent: April 22, 2014Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Oliver Niggemann, Joachim Stroop, Rainer Otterbach, Herbert Hanselmann
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Patent number: 8701079Abstract: A procedure for generating an executable overall control program such as a measurement, control, regulation and/or calibration is illustrated and described for controlling a control system having at least one electronic processor unit, whereby multiple functional model components of one of the functional models describing the functionality of the overall control program are compiled in data code, the data elements used in the functional model components are listed at least partially in one of the various data element sets of the functional model. References between data elements in the data element set and those functional model components of the functional model in which the data elements are used are registered, and these references are saved as additional reference information.Type: GrantFiled: November 29, 2010Date of Patent: April 15, 2014Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Jörg Niere, Carsten Schmidt, Wolfgang Trautmann