Liebherr-werk Nenzing Gmbh

Audi Ag

Dürr Systems Ag

Liebherr-werk Biberach Gmbh

Knorr-bremse Systeme Fuer Nutzfahrzeuge Gmbh

Liebherr-france Sas

Other

Liebherr-hydraulikbagger Gmbh

Iveco Magirus Ag

Erbe Elektromedizin Gmbh

Liebherr-components Biberach Gmbh

Still Gmbh

Liebherr-mischtechnik Gmbh

Kion Warehouse Systems Gmbh

Oliver Sawodny

Falk Hecker

Klaus Fischer

Klaus Schneider

Joerg Neupert

Dietmar Wieland

Markus Enderle

Sebastian Kuechler

Christoph Göhrle

Andreas Unger

Andreas Schindler

Anton Renner

Hannes Wind

Andreas Gienger

Eckard Arnold

Ulf Schaper

Adnan Mustapha

Ulrich Guecker

Kevin Woll

Simon Goeltz

Florentin Rauscher

Harald Aschemann

Michael Palberg

Alexander Neugebauer

Bernhard Tobias Nold

Oliver Iglauer-Angrik

Jörg Neupert

Eckhard Arnold

Roman Sauer

Johannes Karl Eberharter

Martin Amann

Klaus Scheider

Martin Weickgenannt

Hauke Bensch

Jens Berner

Simon Alt

Karl Lukas Knierim

Mathias Schneller

Tobias Schlotterer

Markus Hummel

Samuel Nann

Mark Burkhardt

Ferdinand Hofmann

Otto Lerke

Norbert Haala

Volker Schwieger

Matthias Thomas

Arnold Eckard

Lena Joachim

Ebberhard Paul Hofer

Ulrich Gücker

Alexander Pertsch

Conrad Sagert

Karl Langer

Andrease Schindler

Tobias Mahl

Sebastian Kuchler

Alexander Hildebrandt

Cristina Tarin-Sauer

Eberhard P Hofer

Patrick Schlott

Stefan Lahres

Jörg Kümpel

Julian Wanner

Alexander Kharitonov

Sebastian Küchler

Nico Zimmert

Jürgen Greiner

Rolf Bez

Simon GÖLTZ

Matthias Vohrer

Mark Wörner

Michael Ederer

Julia Rex

Jay Wagenpfeil

Ronny Feuer

The disclosure relates to a method for monitoring and/or performing a movement of an item of machinery wherein the item of machinery comprises a movement device with a tool for picking up material, which comprises at least two components, each of which is movable via at least one actuator, and a control system by means of which the actuators of the movement device can be actuated by way of open-loop and/or closed-loop control. The method according to the disclosure comprises (i) detecting status information of at least two components, (ii) calculating torques that are applied to components, (iii) detecting torques actually applied to components, (iv) comparing the calculated and detected torques and determining a force vector actually applied, and (v) executing an action depending on the calculated force vector. The disclosure also relates to an item of machinery and a computer program product for executing the method.

Method for monitoring and/or performing a movement of an item of machinery, and item of machinery and computer program product

In order to provide a checking facility for checking workpieces and also a treatment facility for treating workpieces, which enable efficient and reliable quality optimisation, it is proposed that workpiece parameters are detected, for example by means of an automatic checking station, and a workpiece-specific data set is created on this basis and/or from facility parameters.

Method for checking workpieces, checking facility and treatment facility

The present invention relates to a crane, in particular in the form of a rotating tower crane, having a crane jib, from which a hoist rope connected to a load handling means runs, a load position sensor system for sensing the position of the load handling means and/or of a load fastened thereto, a surroundings sensor system for collecting surroundings data to establish a surroundings model, and a crane controller for controlling hoist rope and/or crane movements on the basis of the sensed position of the load handling means and/or of the load fastened thereto and on the basis of the established surroundings model. According to the invention, the surroundings sensor system has an imaging sensor system for providing three-dimensional real-time surroundings data and a geo-referencing device for geo-referencing the 3D real-time surroundings data and establishing a geo-referenced 3D surroundings model.

Crane

Method and equipment for estimating a braking factor for a braking system for a vehicle. The method includes estimating a braking factor (k) for a braking system for a vehicle, in which the braking factor (k) is by applying the following equation: k=a+b*v+c*p+d*T+f*p, in which a, b, c, d and f are model parameters, vis a velocity of the vehicle, pis a braking pressure, and Tis a brake temperature.

Method and equipment for estimating a braking factor for a braking system for a vehicle

Method and equipment for estimating a brake temperature, method for estimating a braking factor and computer program product, including a method for estimating a brake temperature of a brake disc of a vehicle, by performing the following: virtually separating the brake disc in a brake disc body and a brake disc contact surface layer; and estimating the temperature of the brake disc contact surface layer in dependence of the temperature of the braking disc body and a heat input in the brake disc contact surface layer due to a braking action, in which the estimated temperature of the brake disc contact surface layer corresponds to the brake temperature.

Method and equipment for estimating a brake temperature, method for estimating a braking factor and computer program product

A crane, in particular a revolving tower crane or a bridge crane, and a method for controlling such a crane, having a hoist cable, which extends from a crane boom and carries a load-receiving means, drive devices for moving crane elements and displacing the load-receiving means, a control apparatus for controlling the drive devices such that the load-receiving means travels along a travel path, and a pendulum damping device for damping pendulum movements of the load-receiving means, wherein the pendulum damping device has a pendulum sensor for detecting pendulum movements of the hoist cable and/or of the load-receiving means and a controller component having a closed control circuit for influencing the control of the drive devices depending on pendulum signals that are indicated by pendulum movements detected by the pendulum sensor and are returned to the control loop.

Crane and method for controlling such a crane

The invention relates to a method and a system for determining process data of a work process carried out by an implement based on the determination of a moved mass by a weighing system of the implement and the detection of a parameter concerning a state of the implement and/or a work step, wherein with reference to these and further data a prediction value concerning the remaining part of the current work process is determined and on the basis of which information on the assistance is indicated to the operator of the implement, and to an implement comprising such a system.

Method and system for determining process data of a work process carried out by an implement

The present invention relates to a system for determining the mass of a payload moved by a working device of a machine, comprising:

System and method for determining the mass of a payload moved by a working device

The invention relates to a crane, in particular a rotary tower crane, comprising a lifting cable configured to run out from a crane boom and comprises a load receiving component, drive devices configured to move multiple crane elements and displace the load receiving component, a controller configured to control the drive devices such that the load receiving apparatus is displaced along a movement path, and a pendulum damping device configured to dampen pendulum movements of the load receiving apparatus and/or of the lifting cable. The pendulum damping device comprises a pendulum sensor system configured to detect pendulum movements of at least one of the lifting cable and the load receiving component and a regulator module comprising a closed control loop configured to influence the actuation of the drive devices depending on a pendulum sensor system signal returned to the control loop.

The invention relates to a method for controlling at least one actuator () for a chassis of a motor vehicle, in which at least one sensor () of the motor vehicle determines values of at least one measurement variable for sensing an environment of the motor vehicle, wherein the determined values are preprocessed, wherein only the values needed to control the at least one actuator () are transmitted from a control device () associated with the sensor to a control device () associated with the actuator and are temporally filtered by the control device () associated with the actuator, and wherein the control device () associated with the actuator uses the temporally filtered values to provide actuating signals for the at least one actuator ().

Method for controlling an actuator

The present invention comprises a method for the control of a drive of a crane, in particular of a slewing gear and/or of a luffing mechanism, wherein a desired movement of the boom tip serves as an input value on the basis of which a control parameter for the control of the drive is calculated, characterized in that the oscillation dynamics of the system comprising the drive and the crane structure are taken into account in the calculation of the control parameter to reduce natural oscillations. The present invention furthermore comprises a method for the control of a hoisting gear of a crane, wherein a desired hoisting movement of the load serves as an input value on the basis of which a control parameter for the control of the drive is calculated.

Methods for controlling a drive of a crane

The invention relates to a method for providing a manipulated variable for an actuator () of an active chassis of a motor vehicle (), wherein the manipulated variable in the event that a value for a projected variable, which is dependent upon a height profile of the terrain to be travelled by the motor vehicle (), is available, is configured from a combination of a Skyhook variable, which is dependent upon a movement of a structure of the motor vehicle (), and the projected variable, and wherein the manipulated variable is configured from a combination of a soft-spring variable, which is dependent upon a wheel-suspension of the motor vehicle (), and the Skyhook variable, if no value for the projected variable is available.

Method for providing a manipulated variable

A method for controlling at least one actuator of a chassis of a motor vehicle, which travels over a subsurface is disclosed, wherein a height profile of the subsurface is detected, wherein it is analyzed for a section of the subsurface whether the height profile along said section has a value which deviates from a threshold value by a specified tolerance value, and wherein a regulating variable for activating the actuator is adjusted in consideration of the identified unevenness when the motor vehicle travels over the identified unevenness.

The present invention shows a crane controller for the semi-automatic control of a rotary crane, the crane comprising at least a slewing actuator for creating a slewing motion of the crane and/or a luffing actuator for creating a luffing motion of the crane, the crane controller comprising an input unit which can be operated by a operator to provide a desired slewing speed and/or a desired luffing speed as an operator input and a model-predictive reference trajectory planning module comprising an optimization unit for calculating a reference trajectory that obeys the system dynamics and follows the operator input, and a feedforward-controller using the reference trajectory for controlling the slewing actuator and/or the luffing actuator. Further, the optimization unit takes into account the deflection of the rope in the tangential and/or radial direction when solving the optimization problem that provides the reference trajectory.

Crane controller

Growing community of inventors

Stuttgart, Germany

Oliver Sawodny