Robert Boschgmbh

Continental Teves, Ag and Company Ohg

Schwing Gmbh

Ttcontrol Gmbh

Siemens Aktiengesellschaft

Infineon Technologies Ag

Adidas Ag

B&r Industrial Automation Gmbh

Stiwa Holding Gmbh

Albert-ludwigs-university of Freiburg

Albert-ludwigs-universitat Freiburg

Andreas Kugi

Wolfgang Kemmetmüller

Johannes Henikl

Reiner Vierkotten

Adrian Trachte

Wolfgang Tebeek

Markus Egretzberger

Florian Mair

Tobias Glück

Wolfgang Kemmetmueller

Tobias Glueck

Georg Bachmaier

Yiannos Manoli

Andreas Weber

Christian Bachmann

Hans-Peter Kreuter

Dominik Bergmann

Clemens Paul Dyckmans

Daniel Seiler-Thull

Andreas Lehmann

Michael Maurer

Christian Fleck

Michael Pauditz

Matthias Bitzer

Manuel Plainer

Marcus Karl Pfeiffer

Carolina Passenberg

Stephan Grün

Patrik Zips

Herwig Koppauer

Michael Reinthaler

Marcus Simon Specks

Joseph Schnittker

Thomas Specker

Thomas Northemann

Thomas Feix

Peter Altermann

Derya Lindenmeier

Martin Boeck

Mathias Blank

Christian Hartl-Nesic

Engelbert Grünbacher

Paul Zeman

Christian Krämer

Martin Wegscheider

Matthias Brunner

August Gruendl

Josef Meingassner

Christian KRÄMER

Wolfgang KEMMETMÜLLER

Marcus Specks

Marcus Pfeiffer

August GRÜNDL

Martin BÖCK

To control movement of a transport unit of a linear motor, a quality functional J(SG) with quality terms JT(SG) is used as a function of manipulated variables (SG) of active drive coils. The quality functional J(SG) controlling movement of the transport unit along the stator is optimized with regard to the manipulated variable (SG) to determine optimal manipulated variables (SG) for the relevant time step of the control of movement, active drive coils are energized according to the determined optimal manipulated variables (SG), and at least two movement phases are provided during the movement of the transport unit along the stator. In the at least two novement phases, different quality functionals J(SG) are used for determining the optimal manipulated variables (SG), the different quality functionals J(SG) differing by the number k of the quality terms JT(SG) used and/or by the quality terms JT(SG) and/or by the weighting factors k.

Method for operating a linear motor

A method for the manufacture of a sports article, in particular a sport shoe, can include the operations of: (a) providing at least one laminar component; (b) providing at least one three-dimensional object; and (c) placing the component onto the object by means of a first roll while simultaneously moving the object relative to the roll.

Method for placing of components

The invention relates to a control circuit () for a waste heat recovery system () for a heat engine (). The waste heat recovery system () comprises at least one evaporator () for converting waste heat from the exhaust gas () generated by the heat engine () into a working medium (), at least one expansion machine () which can be driven by the working medium (), at least one condenser () for condensing the working medium () expanded in the expansion machine () into the liquid state (), and at least one conveying device () for increasing the pressure of the condensed working medium () and conveying same into the evaporator (). The control circuit () influences at least one control variable which controls the energy transmission from the exhaust gas () to the working medium () and/or the energy transmission from the working medium () to the expansion machine (). The control circuit () is designed to regulate the specific enthalpy hand/or the temperature Tof the working medium () entering the expansion machine () to a target value h, T, wherein the target value h, Tdepends on the pressure pof the working medium () entering the expansion machine (). The invention also relates to a waste heat recovery system () for an internal combustion engine of a vehicle () in the form of a heat engine () comprising the control circuit () and to a corresponding computer program.

Control circuit for waste heat recovery systems

A method for pressing a workpiece with a predetermined pressing force uses a forming tool coupled with an electric motor via a spindle drive that converts the rotational movement of the electric motor drive shaft to a translational movement of the forming tool. The method includes: accelerating the electric motor in a first rotational direction to a predetermined maximal speed of rotation; operating the electric motor at the maximal speed until the drive shaft has completed a predetermined number of revolutions; reducing the speed of rotation of the electric motor to a predetermined reduced speed of rotation; operating the electric motor at the reduced speed until a pressing force increase exceeding a predetermined threshold value is detected by a measuring unit that follows the electric motor; forming the workpiece with constant detection of the pressing force by the measuring unit until the predetermined pressing force has been reached.

Method for pressing a workpiece with a predetermined pressing force

A method for operating an axial piston machine of swashplate design, in which a swashplate is settable by means of an adjustment device, and in which a controlled variable of the axial piston machine is regulated by predetermining a manipulated variable. Under the assumption of a constant intended value of the controlled variable, a future profile of the controlled variable is ascertained using a model of the axial piston machine in which respective current values of at least one operating variable of the axial piston machine, which comprises the controlled variable, and a current value of the manipulated variable are taken into account. A value to be set for the manipulated variable is ascertained and set taking into account the future profile of the controlled variable.

Method for operating an axial piston machine of swashplate design

The invention relates to a large manipulator (), in particular a truck-mounted concrete pump, having a mast pedestal () which is rotatable about a vertical axis by means of a rotary drive and which is arranged on a chassis (), having an articulated mast () which comprises two or more mast arms (), wherein the mast arms () are connected, so as to be pivotable by means of in each case one pivoting drive, to the respectively adjacent mast pedestal () or mast arm (), having a control device, which actuates the drives, for the mast movement, and having a mast sensor arrangement for detecting the position of at least one point of the articulated mast () or a pivot angle (&#x3c6;, &#x3c6;, &#x3c6;, &#x3c6;) of at least one articulated joint. The large manipulator is characterized in that the control device () is designed to limit the speed of the mast movement on the basis of the output signal from the mast sensor arrangement. The invention also relates to a method for controlling the movement of an articulated mast () of a large manipulator (), in particular of a truck-mounted concrete pump.

Large manipulator with articulated mast that can be quickly folded and unfolded

A large manipulator includes a boom arm with a turntable and a plurality of boom segments, which are configured to be pivoted at respective articulation joints with respect to an adjacent boom segment or the turntable. The boom arm further includes at least one inertial sensor configured to measure inclination and/or acceleration of at least one of the plurality of boom segments.

Position control of a boom tip

A regulation system for controlling the orientation of a segment () of a manipulator, in particular of a large manipulator for truck-mounted concrete pumps, wherein the segment () is connected to a base () or a preceding segment () of the manipulator via a joint () and can be pivoted at the joint () relative to the base () or the preceding segment () about at least one axis of rotation by means of at least one actuating member (), preferably a hydraulic actuating element, characterized in that the regulation system at least comprises: 

Control system and method for controlling the orientation of a segment of a manipulator

For steering a vehicle around obstacles, proceeding along a path from a starting position to an end position, the path including linear sub-paths which are defined by an increment &#x3b7; and a steering angle &#x3b4;, a method includes: a) determining a maximum steering angle range and a maximum and a minimum increment range; b) determining the present distance efrom the end position, the target angle &#x3b8;, and the angle difference ebetween the present vehicle angle and the target angle; c) performing an optimization method for ascertaining a sub-path by minimizing the value of a cost function lassigned to the sub-path; d) determining the new position by adding the ascertained sub-path to the present position; and e) repeating steps (b) through (d) until the end position is reached.

Method for steering a vehicle

An electrohydraulic control circuit for driving a hydraulically actuated actuating element (), by means of which a segment () of a manipulator, in particular of a large manipulator for truck-mounted concrete pumps, can be adjusted in terms of its orientation, wherein there are provided an electrically driven first valve (), which is connected to hydraulic working lines of the actuating element () for the drive thereof, and leak-free check valves () provided in the working lines of the actuating element (), which valves are arranged on the actuating element () or on the segment () associated with this actuating element () and can be released for the normal operation of the actuating element (), wherein the release of the check valves () is driven by an electronic control unit (ECU) separate from the first valve () and the check valves ().

Electrohydraulic control circuit

A method for the precise measuring operating of a micro-mechanical rotation rate sensor, including at least one seismic mass, at least one drive device for driving the seismic mass in the primary mode (q) and at least three trimming electrode elements which are jointly associated directly or indirectly with the seismic mass. An electric trimming voltage (u, u, u, u) is set respectively between the trimming electrode elements and the seismic mass. Each of the electric trimming voltages (u, u, u, u) are adjusted in accordance with a resonance frequency variable (&#x169;, &#x168;), a quadrature variable (&#x169;, &#x168;) and a restoring variable (&#x169;).

Method for the decoupled control of the quadrature and the resonance frequency of a micro-mechanical rotation rate sensor by means of sigma-delta-modulation

A method for the precise measuring operation of a micro-mechanical rotation rate sensor, including at least one seismic mass, at least one drive device for driving the seismic mass in the primary mode (qi) and at least three trimming electrode elements which are jointly associated directly or indirectly with the seismic mass. An electric trimming voltage () is set respectively between said trimming electrode elements and the seismic mass. Each of the electric trimming voltages () are adjusted in accordance with a resonance frequency variable (&#x169;, &#x168;), a quadrature variable (&#x169;, &#x168;) and a restoring variable (&#x169;).

Method for the decoupled control of the quadrature and the resonance frequency of a micro-mechanical gyroscope

A gate signal is generated by summation of multiple signal profiles. The gate signal is applied to a switching device to switch the switching device between an off state and an on state. While the gate signal is applied to the switching device, at least an n-th order derivative of a load signal of the switching device is detected, with n being an integer which is equal to or larger than 2. Depending on the detected n-th order derivative, one or more of the signal profiles are adapted.

Gate signal generation with adaptive signal profiles

For an object on a bearing mounting having a magnetic bearing providing a magnetic field generally produced by an electromagnet, the bearing is regulated based on a position of the object relative to the bearing. The position of the object is determined by reference to an estimate of the inductance obtained using a least squares method, in which the electrical resistance of the bearing is taken into account. The resistance is subject to variations, for example due to temperature fluctuations; however, the electrical resistance can be estimated by regulating the inductance error, &#x394;{circumflex over (L)}={circumflex over (L)}&#x2212;{circumflex over (L)}down to zero, where the resistance adjustment facility may be a low-pass filter and an integration controller.

Method for adjusting resistance of electromagnet in magnetic bearing and for sensorless determination of position of object mounted in magnetic bearing, taking into account adjusted value of resistance

Growing community of inventors

Vienna, Austria

Andreas Kugi