Robert Boschgmbh

Seg Automotive Germany Gmbh

Syntegon Technology Gmbh

Syntegon Packaging Systems Ag

Robert Rosch Gmbh

Syntegon Packaging Technology, Inc.

Paul Mehringer

Fabio Magini

Christopher Otte

Kurt Reutlinger

Wolfgang Feiler

Julian Roesner

Sebastian Paulus

Jie Ge

Gerhard Walter

Manuel Mueller

Gert Wolf

Harald Ott

Oliver Gerundt

Uwe Schiller

Alexander Shendi

Miriam Riederer

Philipp Roth

Matthias Schmidt

Markus Baur

Marc Eschenhagen

Zoltan Ersek

Ulrich Krauß

Jochen Kurfiss

Harald Schueler

Ulrich Krauss

Holger Heinisch

Klaus Ullherr

Michael Merkle

Mario Kaepple

Michael Wohlfarth

Jochen Peters

Zoltan Balazs

Zoltan Kosznai

Olaf Eistert

Tim Fleckenstein

Thomas Beck

Petra Rose

Ralf Riebeling

Heiko Wild

Joachim Radtke

Frank Scholl

Herbert Schaffert

Jochen Lautenschlager

Faruk Civelek

Martin Maerz

Rolf Barthelmess

Marcus Mutschler

Christopher Huber

Andreas Windmueller

Ralf Herbig

Siegbert Sautter

Benedikt Scholz

The invention relates to a method for weighing pharmaceutical containers () nested in a carrier (), in which at least one of the nested containers () is weighed by means of a weighing device (), wherein a relative movement between the at least one pharmaceutical container () and the carrier () is brought about in order to release the pharmaceutical containers () from the carrier () in order to increase the weighing accuracy.

Increasing the weighing accuracy when weighing nested pharmaceutical containers

A method for detecting an error in a generator unit which has an electric machine () with a rotor winding () and a stator winding () and a rectifier () connected thereto, via which rectifier the electric machine () is connected to an electrical system () of a motor vehicle, the excitation current (IE) flowing through the rotor winding () of the electric machine () being plotted and it being concluded that there is an error in the generator unit depending on whether a frequency component (A) of a frequency spectrum of the plot of the excitation current (IE) in a frequency range above a lower speed limit (SW) is larger than a threshold value (S).

Method for detecting an error in a generator unit

The invention relates to a method for detecting an error in a generator unit which has an electric machine () with a rotor winding (), a stator winding () transformer-coupled to the rotor winding (), and a rectifier () connected to said stator winding, via which the electric machine () is connected to an onboard power supply () of a motor vehicle, wherein a decision is made, depending on a magnitude of a correlation (K, K) between a curve of an excitation current (I) flowing through the rotor winding () of the electric machine () and a curve of a voltage drop (U, U) on one side of the transformer, as to whether the error is present or not.

An active converter connected to an electric machine, including arresting circuits to activate a voltage arresting function from a first point-in-time, and which is configured to only activate a load dump reaction upon activation conditions from a second point-in-time, the activation conditions include that it is determined that at the second point-in-time, a supply-side voltage potential applied to an exciter winding of the electric machine is between the voltage potential applied at the first DC voltage terminal and a ground potential, if the exciter winding is disconnected from the voltage potential of the vehicle electrical system voltage and/or a current flowing through the exciter winding is below a current threshold value and/or after an initial activation of a load dump reaction, after which further load dump reactions were activated, more than a predefined period of time has elapsed and/or more than a predefined number of load dump reactions were activated.

Method for operating an active converter connected to an electric machine and means for the implementation thereof

In an active converter that is connected to an electric machine, in which arresting circuits for activating a voltage arrest beginning at a first point in time are provided, and which is also configured for activating a load shedding reaction only when activation conditions are fulfilled beginning at a second point in time, the activation conditions include determining that the voltage arrest is still activated at the second point in time, that a voltage potential has not yet fallen below the first threshold value, and/or that a value that indicates a current flowing through at least one phase connection is above a third threshold value.

Method for operating an active converter connected to an electric machine, and means for implementing same

A method for controlling a multi-phase electric machine, operable at least in generator mode, whose phase terminals in an active bridge rectifier are respectively connected, via addressable first current valves capable of being switched on and shut off, to a first DC voltage terminal and via second current valves to a second DC voltage terminal. The method includes: in a generator mode of the electric machine after occurrence of a load dump, repeatedly initiating and discontinuing phase short circuits of the phase terminals via the first current valves. A magnitude characterizing a natural frequency of the electric machine is ascertained, and the first current valves are addressed with a switching frequency in order to initiate and discontinue the phase short circuits on the basis of the magnitude characterizing the natural frequency of the electric machine.

Method for operating an at least generator-operable electric motor and means for the implementation thereof

A method for controlling a bridge rectifier which includes active switching elements is provided, in which, during normal operation, at least one of the active switching elements is controlled using a voltage signal, the voltage of which is changed from a first voltage value to a second voltage value within at least one switching time. The at least one switching time is extended by a predefinable time period if load shedding at the bridge rectifier is determined. Also described is a corresponding rectifier system and a computer program product.

Method for controlling an active bridge rectifier during load shedding, rectifier system, and computer program product

A motor vehicle electrical system which includes an electric machine, an active bridge rectifier, and at least one control device, the at least one control device being configured for converting an alternating voltage which is output by the electric machine at a number of phase connections into a direct voltage by controlling active switching elements of the bridge rectifier. An arrangement is provided configured for initiating a short circuit of at least two of the phase connections as soon as a signal characterizing the direct voltage exceeds an upper threshold value, and for deactivating the short circuit as soon as the signal characterizing the direct voltage subsequently falls below a lower threshold value. An evaluation device is provided configured for detecting a value of the direct voltage, for filtering the detected value, and for providing the filtered value as the signal characterizing the direct voltage.

Overvoltage protection for a motor vehicle electrical system in the event of a load dump

A rectifier module for an active bridge rectifier having two switching elements, connected in series between two end terminals, and between which a center tap is formed, and a control circuit including a monitoring unit, a synchronization unit, and a control unit, the monitoring unit detecting a measuring voltage and outputting a request signal when the measuring voltage exceeds an upper threshold value. The synchronization unit outputs a synchronization signal to a synchronization terminal as long as the monitoring unit outputs the request signal, and otherwise to monitor the synchronization terminal for a synchronization signal. The control unit switches one of the two switching elements into a conductive state at least in sections during an activation period of time, when the monitoring unit outputs the request signal and/or when the synchronization signal is detected and is optionally recognized as valid by the monitoring. Also described is an active bridge rectifier including corresponding rectifier modules, a generator array including such a bridge rectifier, a corresponding motor vehicle electrical system, an operating method, and an arrangement for the method.

Voltage surge protection for active rectifiers in the event of load shedding

A half bridge for an active rectifier having an alternating-voltage connection, a positive direct-voltage connection, as well as a ground connection, a first switch element connecting the alternating-voltage connection to the ground connection; a second switch element connecting the alternating-voltage connection to the positive direct-voltage connection, a first control element being connected to the first switch element for switching the first switch element; a connection of a first capacitor being connected to a voltage supply connection of the first control element; the positive direct-voltage connection being connected via a first diode in the forward direction to the one connection of the first capacitor; the first capacitor being connected in parallel to a series connection of the first switch element and the second switch element.

Half bridge for an active rectifier having an overvoltage protection

A bridge rectifier having AC voltage terminals, two DC voltage terminals, and a number of half-bridges corresponding to the number of AC voltage terminals. Each half-bridge has two activatable switching elements, connected in series between the DC voltage terminals and between which one of the AC voltage terminals is connected in each case. Each half-bridge includes a control circuit configured to detect an output voltage applied between the DC voltage terminals and switch a first switching element of the two switching elements of the particular half-bridge to be conductive by activation using a first control signal until the output voltage falls below a lower threshold value, after it has previously exceeded an upper threshold value, and to activate it in a clocked manner by activation using a second control signal, until the output voltage exceeds the upper threshold value, after it has previously fallen below the lower threshold value.

Overvoltage protection for active rectifiers in the event to load shedding

The method includes operating the synchronous machine in idle operation; recording a phase voltage measured value of the synchronous machine; ascertaining a phase voltage expected value by allocating stored characteristics map values for the phase voltage, for the exciting current and the recorded rotational speed of the synchronous machine; and comparing the phase voltage expected value to the phase voltage measured value. Also described is a diagnostic device for carrying out this method, as well as a corresponding computer program product.

Method for checking an exciting current of a synchronous machine in generator operation

An electrical machine includes an angular position transducer for identifying a first rotation angle of a rotor; a stator winding for generating a magnetic field; a voltage measuring instrument for sensing a pole wheel voltage at the ends of the stator winding upon a rotation of the rotor; and an identification circuit for identifying a second rotation angle from the pole wheel voltage and for identifying an angle difference between the first and the second rotation angle.

Calibration and monitoring of an angle measuring system for electrical machines

A method for operating an active rectifier including a multitude of controllable semiconductor switching elements, in which a switch is carried out between a first control mode and a second control mode for controlling the semiconductor switching elements, and vice versa, the semiconductor switching elements being controlled with a first switching time in the first control mode and with a second switching time in the second control mode, the second switching time being greater than the first switching time.

Method for operating an active rectifier, circuit system, and computer program for controlling a switching between modes of operation of an active rectifier

A method for identifying electrical faults in a generator assemblage, in particular of a motor vehicle, which assemblage includes a generator having a generator regulator and a rectifier having rectifier elements, the method encompassing ascertaining, in the context of at least one excitation current value of an excitation current through an excitation winding of the generator, at least one respective parameter that corresponds to a current conduction time proportion of at least one of the rectifier elements, and determining that an electrical fault exists if the at least one parameter deviates by more than a predetermined amount from an associated expected value. Also described is an apparatus for implementing the method.

Method for detecting an electrical fault in a generator assemblage, and means for implementation thereof

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Stuttgart, Germany

Paul Mehringer