Dspace Digital Signal Processing and Control Engineering Gmbh

Dspace Gmbh

Paul Gruber

Dominik Lubeley

Marc Dressler

Robert Leinfellner

Marc Schlenger

Ortwin Ludger Franzen

Hans-Guenter Limberg

A protection circuit for a simulated battery cell having an output comprising an output voltage includes: at least one MOSFET connected to the output of the simulated battery cell for short-circuiting the output of the simulated battery cell; a capacitor connected to a gate electrode of the at least one MOSFET; an overvoltage detection device configured to charge the capacitor with the output voltage based on an overvoltage limit of the output voltage being exceeded; and a threshold voltage detection device configured to release the gate electrode based on a threshold value of a voltage at the capacitor not being reached.

Protection circuit for a simulated battery cell

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 Tof a first channel of the group; detecting a current counter value T; configuring the first channel at the modified sample period; establishing a waiting time of Tclocks in accordance with T=T−mod(T, T), where mod (T, T) denotes the division remainder from the current counter value Tand the modified sample period T; and initiating the first channel after the waiting time T.

Time-synchronized input and/or output of signals with a selectable sampling rate

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.

Electronic circuit arrangement for current distribution

An electronic protection device for protecting at least one electrical load, connectable to the protection device, whereby the electronic protection device has an input terminal and an output terminal, and whereby the protection device includes a fuse element, which is thermally self-resetting, and whereby the fuse element is provided and set up to conduct or limit a first current as a function of a fuse element temperature, whereby a limiting component is provided to limit the first current, and whereby the limiting component has a first transistor that is connected in series to the fuse element and a monitoring circuit that influences the first transistor. The monitoring circuit blocks the first transistor when the first current reaches or exceeds a predefined maximum current value and unblocks it when the first current reaches or falls below a predefined reset current value.

Electronic protection device, method for operating an electronic protection device, and use thereof

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.

Circuit arrangement and method for simulating a sensor

An adjustment device for adjusting at least one control device with at least one control device microcontroller and with at least one control device debug interface, where the adjustment device comprises at least one programmable unit, at least one data transmission interface for connecting the adjustment device to an operating unit, and at least one adjustment device debug interface for connecting the adjustment device to the control device debug interface of the control device. The adjustment device according to the invention accomplishes the objective of reducing the load on the control device due to control device application by at least one address list and at least one data list, which are provided in a memory of the adjustment device.

Influencing device for control apparatus

A circuit arrangement having at least one analog switch, which is operated by a supply voltage and which comprises a switching signal contact and a pair of switch contacts, whereby applied to the switching signal contact is an electrical switching signal depending on which an electrical connection can be switched between the switch contacts whose internal on-resistance is temperature dependent, whereby the circuit arrangement has in the vicinity of the at least one analog switch at least one additional similar reference analog switch, which is operated with the same common supply voltage and which is controlled such that the switch contacts thereof are/can be connected continuously via the internal temperature-dependent on-resistance thereof, whereby at least one comparison circuit is provided by means of which depending on the comparison of the internal on-resistance of the at least one reference analog switch with at least one external reference resistance or an otherwise setpoint setting of the reference analog switch(es), at least one control signal can be/is generated, by means of which the internal on-resistance of the at least one reference analog switch can be kept constant by changing the common supply voltage of all analog switches depending on the control signal, particularly can be adjusted to the at least one reference resistance, or the otherwise formed setpoint setting of the reference analog switch(es).

Circuit arrangement with temperature compensation

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.

Growing community of inventors

Paderborn, Germany

Paul Gruber