Patents Assigned to dspace digital signal processing and control engineering GmbH
-
Patent number: 8271984Abstract: A method is described and presented for creation of an optimized schedule for execution of a functionality by means of a time-controlled distributed computer system, in which the distributed computer system and the functionality have a set of (especially structural and functional) elements of at least one element class and the elements are at least partially in a dependence. The method according to the invention, in which the task is solved, is initially and essentially characterized by the fact that the dependences between the elements are recognized, classified and the elements are assigned to corresponding dependence classes, and that optimization of schedule occurs by coordination of elements of at least one dependence class.Type: GrantFiled: February 28, 2007Date of Patent: September 18, 2012Assignee: dSPACE digital signal processing and control engineering GmbHInventor: Ralf Stolpe
-
Patent number: 8254120Abstract: An enclosure for electronic assemblies is provided, with a first deck surface and a first side wall with a short side and a long side and a second deck surface, disposed such that it faces the first deck surface, and a second side wall, disposed such that it faces the first side wall, with a short side and a long side, as well as with a first venting element, which extends in the direction of the long side along one of both side walls, and a plurality of plug-in slots for electronic assemblies that are arranged in parallel to one another, whereby the electronic assemblies are disposed, in the plugged-in state, vertically to both long sides of both side walls, and the first deck surface includes, along the end oriented toward the first side wall, a first opening and the first venting element, on the enclosure's outer side of the first deck surface, is disposed at least partially above the first opening, and the first and/or the second deck surface includes a second opening, along the end that faces the secondType: GrantFiled: June 22, 2010Date of Patent: August 28, 2012Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Dirk Hasse, Dirk Bittner
-
Patent number: 8213143Abstract: A circuit arrangement for protecting an electronic device from damage upon a fault. The circuit arrangement includes at least one first terminal, at least one second terminal, a first interface and a second interface, a fault detection circuit region, a fault signal processing circuit region, and a disconnection circuit region. The at least one first terminal is coupled to the at least one second terminal in a fault-free state, the fault detection circuit region is coupled to the fault signal processing circuit region, the fault signal processing circuit region is coupled to the disconnection circuit region, the disconnection circuit region is configured to disconnect at least one of the at least one first terminal and the at least one second terminal, and the fault detection circuit region, the first and second interfaces, and the disconnection circuit region are configured to be compatible with another different fault signal processing circuit region.Type: GrantFiled: July 31, 2008Date of Patent: July 3, 2012Assignee: DSPACE Digital Signal Processing and Control Engineering GmbHInventor: Frank Beny
-
Patent number: 8214690Abstract: A method is described and represented for testing a control apparatus with a test device, where the control apparatus has at least one state variable and at least one actual functionality that contains a time dependency, and the control apparatus and the test device are connected to each other via a signal interface. The problem of the present invention is to prevent—at least partially—the disadvantages known from the state of the art, and, particularly, to provide a method for testing a control apparatus, which allows as simple and flexible an acquisition of the target functionality of a control apparatus is possible, and which takes into account the time dependency of the target functionality as comprehensively as possible during the test case generation.Type: GrantFiled: February 11, 2010Date of Patent: July 3, 2012Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Klaus Lamberg, Christine Thiessen, Matthias Schnelte
-
Publication number: 20120119765Abstract: 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: ApplicationFiled: November 10, 2011Publication date: May 17, 2012Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Joerg Bracker, Jens Driessen
-
Patent number: 8171341Abstract: A method for controlling an operating mechanism using a manipulation unit, in which the operating mechanism includes at least one microcontroller, at least one memory with a plurality of memory cells, and at least one debug interface, and the debug interface presents a monitoring functionality for monitoring memory content and using the debug interface a first timepoint of the operating mechanism is detected for writing into a first memory cell and, using the information transmitted by the debug interface for the first timepoint to the manipulation unit, a trigger timepoint results for a processing routine through the manipulation unit (IN) and using the processing routine a second value is written by the manipulation unit using the debug interface for a second timepoint in the first memory cell before the first memory cell is read by the operating mechanism for a third timepoint.Type: GrantFiled: January 28, 2010Date of Patent: May 1, 2012Assignee: dSpace digital signal processing and control engineering GmbHInventors: Marc Dressler, Daniel Hofmann, Bastian Kellers, Thorsten Hufnagel
-
Patent number: 8166344Abstract: A method for controlling an operating mechanism using a manipulation unit, in which the operating mechanism includes at least one microcontroller, at least one memory with a plurality of memory cells and at least one first value in a first memory cell and at least one debug interface, and the debug interface exhibits a monitoring functionality for monitoring a program code executed by the operating mechanism and using the debug interface a first pre-set timepoint is detected when processing the program code and, using the information transmitted by the debug interface for the first timepoint to the manipulation unit, a trigger timepoint results for a processing routine through the manipulation unit (IN) and a second value is written using the debug interface by the manipulation unit using the processing routine for a second timepoint in the first memory cell before the first memory cell is read by the operating mechanism for a third timepoint.Type: GrantFiled: January 28, 2010Date of Patent: April 24, 2012Assignee: dSpace digital signal processing and control engineering GmbHInventors: Marc Dressler, Daniel Hofmann, Bastian Kellers, Thorsten Hufnagel
-
Publication number: 20120033337Abstract: 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: ApplicationFiled: August 3, 2011Publication date: February 9, 2012Applicant: dSpace digital signal processing and control engineering GmbHInventor: Paul Gruber
-
Patent number: 8074118Abstract: A method for influencing a control unit by means of a manipulation unit whereby the control unit has at least one microcontroller, at least one memory having a plurality of memory cells and at least one debug interface, and the debug interface has a monitoring functionality for observing the memory content, and by means of the debug interface a first point in time of the control unit for writing a first value to a first memory cell is detected, and a triggering point in time for a processing routine by the manipulation unit is obtained as the result based on the information transmitted to the manipulation unit by the debug interface at the first point in time, and at a second point in time, a second value is written to the first memory cell by the manipulation unit by means of the processing routine via the debug interface before the first memory cell is read by the control unit at a third point in time.Type: GrantFiled: June 1, 2009Date of Patent: December 6, 2011Assignee: dSpace digital signal processing and control engineering GmbHInventors: Marc Dressler, Daniel Hofmann, Bastian Kellers, Thorsten Hufnagel
-
Patent number: 7991583Abstract: A system and method for constructing a diagnosis function for mapping a symptom of a fault in an electromechanical system onto the fault by simulating the electromechanical system in at least a fault mode and a node fault mode, and learning a classifier function from the collected simulation results for mapping the system of the fault onto the fault.Type: GrantFiled: April 13, 2007Date of Patent: August 2, 2011Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventors: Heinrich Balzer, Oliver Niggemann, Benno Maria Stein
-
Patent number: 7970601Abstract: The invention relates to a method of creating a requirement description for an embedded system, including but not only a motor vehicle electronic control unit, in which a vocabulary of natural-language, selectable text segments is stored in a data processing system, said text segments being combinable with one another to form at least one natural-language sentence, possibly but not necessarily in the English language, to form a machine-readable requirement description, and that each text segment is linked to a set of further text segments that can be combined with it, whereby for a text segment that is selected, the data processing system automatically represents the further combinable text segments in selectable form on a display unit. The invention further relates to a computer program product stored on a data medium that, when executed on a data processing system executes a method according to one of the previous claims.Type: GrantFiled: October 25, 2007Date of Patent: June 28, 2011Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Sven Burmester, Klaus Lamberg, Christian Wewetzer, Christine Thiessen
-
Publication number: 20110133763Abstract: 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: ApplicationFiled: July 15, 2009Publication date: June 9, 2011Applicant: DSPACE DIGITAL SIGNAL PROCESSING AND CONTROL ENGINEERING GMBHInventors: Thomas Schulte, Joerg Bracker
-
Patent number: 7936280Abstract: The invention relates to a signal display device for displaying signals on signal paths of a wiring harness, for example, which may be connected to the signal outputs of an electronic apparatus generating/receiving signals, or looped into the signal paths between a signal-generating electronic apparatus and a signal-receiving electronic apparatus. A signal to be displayed each time is measurable from a plurality, preferably all, of the signal paths, and each measured signal is fed to an evaluation unit that, for each measured signal, activates a multicolor display element based on a value of the signal, such that one of several colors may be displayed using the multicolor display element.Type: GrantFiled: February 19, 2007Date of Patent: May 3, 2011Assignee: dSPACE digital signal processing and control engineering GmbHInventors: Wolfgang Hoetzel, Marc Nalbach, Dirk Berneck
-
Patent number: 7933734Abstract: A method is presented and described for testing of at least one electronic control system, in which the control system is connected via a data channel to a test device, at least one environmental model is calculated on the test device and the environmental model interacts with the control system by output of environment model data via the test device to the control system and by receiving control system data from the control system via the data channel. The method according to the invention executes on the test device at least one test model to influence the environment model and/or to calculate the environment model and/or the electronic control system, in which the test model or the test models is or are executed functionally independently of the environment model and, during test operation, synchronously with the environment model.Type: GrantFiled: September 11, 2007Date of Patent: April 26, 2011Assignee: dSpace digital signal processing and control engineering GmbHInventors: Nicola Bruski, Ralf Grosse Boerger, Holger Krisp, Robert Leinfellner, Eduard Miller, Jobst Richert, Thomas Woelfer
-
Patent number: 7921248Abstract: A configuration facility is presented and specified, with at least one computer unit and a display device for the configuration of a time-triggered bus system. The bus system has at least two bus nodes and a data bus connecting the bus nodes. At least one node task and at least one transmission task can be executed at the bus nodes. The node tasks can be presented in time sequence in a node task field, the transmission tasks can be presented in time sequence in a transmission task field separate from the node task field, and the node tasks and the transmission tasks can be coordinated with each other by graphic allocation.Type: GrantFiled: November 20, 2008Date of Patent: April 5, 2011Assignee: dSpace digital signal processing and control engineering GmbHInventors: Kai Brinksmeier, Ralf Stolpe, Nico Loose
-
Patent number: 7877153Abstract: A configuration device is provided for configuring a control system that includes at least one electronic processing unit and at least one associated I/O device. At least a portion of a control program is generated that corresponds to a configuration and is used for controlling the control system. The configuration device has at least one display device. The display device allows at least one I/O access point to be displayed in a model configuration field and/or at least one hardware functionality to be displayed in a function configuration field and/or at least one hardware interface to be displayed in an interface configuration field. It is possible to associate at least one I/O access point and at least one hardware functionality with one another and/or to associate at least one hardware functionality and at least one hardware interface with one another.Type: GrantFiled: September 10, 2007Date of Patent: January 25, 2011Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventors: Olaf Biermann, Lars Grosse, Martin Kronmueller, Frank Mertens
-
Publication number: 20100192017Abstract: A method for controlling an operating mechanism using a manipulation unit, in which the operating mechanism includes at least one microcontroller, at least one memory with a plurality of memory cells and at least one first value in a first memory cell and at least one debug interface, and the debug interface exhibits a monitoring functionality for monitoring a program code executed by the operating mechanism and using the debug interface a first pre-set timepoint is detected when processing the program code and, using the information transmitted by the debug interface for the first timepoint to the manipulation unit, a trigger timepoint results for a processing routine through the manipulation unit (IN) and a second value is written using the debug interface by the manipulation unit using the processing routine for a second timepoint in the first memory cell before the first memory cell is read by the operating mechanism for a third timepoint.Type: ApplicationFiled: January 28, 2010Publication date: July 29, 2010Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Marc Dressler, Daniel Hofmann, Bastian Kellers, Thorsten Hufnagel
-
Publication number: 20100192016Abstract: A method for controlling an operating mechanism using a manipulation unit, in which the operating mechanism includes at least one microcontroller, at least one memory with a plurality of memory cells, and at least one debug interface, and the debug interface presents a monitoring functionality for monitoring memory content and using the debug interface a first timepoint of the operating mechanism is detected for writing into a first memory cell and, using the information transmitted by the debug interface for the first timepoint to the manipulation unit, a trigger timepoint results for a processing routine through the manipulation unit (IN) and using the processing routine a second value is written by the manipulation unit using the debug interface for a second timepoint in the first memory cell before the first memory cell is read by the operating mechanism for a third timepoint.Type: ApplicationFiled: January 28, 2010Publication date: July 29, 2010Applicant: dSPACE digital signal processing and control engineering GmbHInventors: Marc Dressler, Daniel Hofmann, Bastian Kellers, Thorsten Hufnagel
-
Patent number: 7684221Abstract: A method for galvanically isolated transmission of a signal, especially a switching signal for controlling at least one switching means includes using a transformer. The primary side of a transformer is fed with a pulse-width modulated voltage in which different duty factors are indicative of different signal states. The voltage obtained on the secondary side is converted by an electronic circuit into at least one signal voltage which is dependent on the duty factor and whose magnitude represents a signal state.Type: GrantFiled: January 10, 2006Date of Patent: March 23, 2010Assignee: Dspace Digital Signal Processing and Control Engineering GmbHInventor: Paul Gruber
-
Patent number: 7596711Abstract: A method for synchronously providing data on distributed devices of a network includes storing, by a master device, an extrapolation data set including at least one update time point. The update time point is in the future and marks the beginning of an extrapolation interval. The master device transmits the extrapolation data set to a slave device. Starting at an update time point, new data is calculated separately on the master device and the slave device by extrapolation using the extrapolation data set available on both the master device and the slave device. The method steps are repeated for subsequent extrapolation intervals.Type: GrantFiled: June 30, 2006Date of Patent: September 29, 2009Assignee: dSpace Digital Signal Processing and Control Engineering GmbHInventors: Magnus Asplund, Andreas Hostmann, Robert Leinfellner, Robert Polnau