Abstract: A system for surface machining of a curved part, the system including a chassis, a first and second roller, and a cutting tool. The first and second rollers each being coupled to the chassis and configured to contact the surface of a curved part. The cutting tool is disposed between the first and second rollers and coupled to the chassis such that a distance between the cutting tool and the chassis is adjustable.

Abstract: In a method for selecting a data transmission method from a number of available data transmission methods in a communication system, in which the communication system includes at least a first base station, a second base station, and a terminal device, in which a wireless communication link exists between the first base station and the terminal device via a first radio channel, and in which a wireless communication link exists between the second base station and the terminal device via a second radio channel, a data packet to be transmitted is sent from the terminal device via the first radio channel to the first base station and via the second radio channel to the second base station, at least one value pair is specified that includes a decorrelation distance of a first noise of the first radio channel and a cross-correlation coefficient between the first noise of the first radio channel and a second noise of the second radio channel, a packet error rate is determined for each of the available data transmiss

Abstract: A shuttle elevator for a shelf system with at least one shuttle and at least two levels for storing load carriers. The shuttle elevator comprises a displacement unit. A shelf system with a shuttle elevator is also provided. A method is also provided for moving a shuttle with a shuttle elevator from one level to a further level of a shelf system, in which there is a displacement of the shuttle from its travel position, a displacement of the shuttle to another level of the shelf system, and displacement of the shuttle to its travel position.

Abstract: A system and a method include a control unit configured to receive one or more force signals from one or more force sensors coupled to one or both of a tool or an end effector. The one or more force signals are indicative of one or more forces exerted in relation to the tool or the end effector as the tool operates on a first component and a second component. The control unit is further configured to detect a difference in the one or more forces as an operative portion of the tool passes through a gap between the first component and the second component. The control unit is further configured to determine a distance of the gap based on the difference in the one or more forces.

Abstract: A printing system is provided comprising a print head including a plurality of ink nozzles; an actuator configured to move the print head relative to a substrate; a print head position sensing system configured to detect an actual position of the print head relative to the substrate; and a controller. The controller is configured to: receive the actual position of the print head detected by the print head position sensing system corresponding to a target print head position; determine a positional offset between the actual position and the target print head position; generate a nozzle firing pattern based on the positional offset; and control the print head to print the nozzle firing pattern at the target print head position using the plurality of ink nozzles.

Abstract: A method for driving at least one mover is specified, wherein the mover comprises at least a second magnetic field generator, wherein the mover is movable on a drive surface comprising a plurality of sectors, wherein the sectors comprise magnetic field generators for generating at least one magnetic field, wherein path planning is carried out for the mover from a starting point to a target point on the drive surface, wherein at least one graph with nodes and edges is used for the path planning, wherein a path for the mover is determined on the basis of the graph.

Abstract: A computer-implemented drilling method includes steps of: (1) drilling a workpiece using a power drill; advancing the power drill along a feed axis according to a numerically controlled axial feed rate using a tool drive; and (3) inducing a numerically controlled oscillating motion of the power drill using the tool drive that is superimposed over the numerically controlled axial feed rate.

Abstract: A device and a method for determining a travel path for at least one mover on a drive surface, the mover comprising at least one second magnetic field generator, the device comprising a plurality of plate-shaped sectors, where the sectors comprise magnetic field generators for generating magnetic fields, and where the sectors form the drive surface. At least one virtual path network is provided on the drive surface, where a travel path for a mover is determined on the path network.

Abstract: A method for driving at least one rotor in a planar drive system. The rotor has a device for generating a magnetic field. The rotor can be moved on a drive surface formed by stator modules comprising a magnetic field generator. A virtual two-dimensional potential curve is determined for the rotor, with a target point having an attractive potential. A virtual force vector is determined with a vector direction and a vector length at a first position of the rotor, which is determined from the virtual two-dimensional potential curve. A magnetic drive field interacting with the magnetic field of the rotor is generated by the magnetic field generator such that a resulting force is applied to the rotor by interaction of the magnetic drive field with the magnetic field. The direction of the resulting force is based on the vector direction, and the strength is based on the vector length.

Abstract: A device and method for preventing a collision when determining travel paths for at least two movers on a drive surface, each mover comprising at least a second magnetic field generator, the device comprising a plurality of sectors, the sectors comprising magnetic field generators for generating magnetic fields, the sectors forming the drive surface. A path planning for at least two movers is carried out, at least the two movers being assigned a priority, the priorities of the movers being taken into account in the path planning such that a path of a mover is assigned a priority in the path planning of the travel paths of the movers, and a travel path of a mover with a higher priority takes precedence over a travel path of a mover with a lower priority, so that a collision of the movers is prevented.

Abstract: A controller for a tool drive that collects force data and displacement data from the tool drive. The controller generates a stiffness model representing a workpiece using the force data and the displacement data. The controller further collects a force signal from the tool drive. The controller determines deflection of the workpiece using the force signal and stiffness model. The controller determines a resonant frequency of the workpiece using the stiffness model. The controller modifies an oscillation frequency and/or a rotational frequency of a spindle of the tool drive based on the resonant frequency. The controller also determines a location of a tip of the tool drive using the force signal.

Abstract: A controller for a tool drive that collects force data and displacement data from the tool drive. The controller generates a stiffness model representing a workpiece using the force data and the displacement data. The controller further collects a force signal from the tool drive. The controller determines deflection of the workpiece using the force signal and stiffness model. The controller determines a resonant frequency of the workpiece using the stiffness model. The controller modifies an oscillation frequency and/or a rotational frequency of a spindle of the tool drive based on the resonant frequency. The controller also determines a location of a tip of the tool drive using the force signal.

Abstract: A method for preventing collisions when driving at least two movers on a drive surface, each mover comprising at least one magnetic field generator, with a device comprising a plurality of plate-shaped sectors, the sectors each comprising at least one electric magnetic field generator. The sectors form the drive surface, generating magnetic fields via control of a power supply of the electric magnetic field generators such that the movers are movable over the drive surface in at least one direction. A first path planning for the first mover is carried out, an estimated second travel path of the second mover is determined or received, and the estimated second travel path of the second mover is taken into account in the first path planning of the first mover to determine a first travel path for the first mover such that collision of the first mover with the second mover is prevented.

Abstract: A processing device allows processing standard or non-standard spectacle lens prescription documents drafted in a plurality of fashions and provided by eye care professionals, such as opticians, or by end consumers in one of a plurality of languages to determine the data related to the refractive values in a reliable, scalable, and automated fashion. Data related to refractive values is determined from the spectacle lens prescription document. A processing device for determining data related to the refractive values determine at least one pattern containing the data related to the refractive values from an electronic representation of the at least one spectacle lens prescription document, and determines text containing the data related to the refractive values from the electronic representation of the at least one spectacle lens prescription document.

Abstract: A printing system is provided comprising a print head including a plurality of ink nozzles; an actuator configured to move the print head relative to a substrate; a print head position sensing system configured to detect an actual position of the print head relative to the substrate; and a controller. The controller is configured to: receive the actual position of the print head detected by the print head position sensing system corresponding to a target print head position; determine a positional offset between the actual position and the target print head position; generate a nozzle firing pattern based on the positional offset; and control the print head to print the nozzle firing pattern at the target print head position using the plurality of ink nozzles.

Abstract: The present invention relates to a medical connector with automatic sealing on disconnection and to a method of connecting/disconnecting a medical connector.

Abstract: Interface module and method for configuring and parameterizing a field bus user, wherein to facilitate a configuration and parameterization of a field bus user logical addresses on the side of an engineering system are transformed with a transformation device into virtual addresses, where whether virtual addresses are present in a received virtual configuration file is recognized in an interface module via a recognition device, a signal is triggered when addresses are present in the received virtual configuration file to ensure the virtual configuration file is adopted and stored in a non-volatile manner in a configuration store within the interface module, and where the virtual addresses are transformed in the interface module via a reverse transformation device back into physically present addresses, whereby for a data exchange of the process data of the module slot, on request by further field bus users, the process data in the module slot is addressed.

Abstract: A method for driving at least one rotor in a planar drive system. The rotor has a device for generating a magnetic field. The rotor can be moved on a drive surface formed by stator modules comprising a magnetic field generator. A virtual two-dimensional potential curve is determined for the rotor, with a target point having an attractive potential. A virtual force vector is determined with a vector direction and a vector length at a first position of the rotor, which is determined from the virtual two-dimensional potential curve. A magnetic drive field interacting with the magnetic field of the rotor is generated by the magnetic field generator such that a resulting force is applied to the rotor by interaction of the magnetic drive field with the magnetic field. The direction of the resulting force is based on the vector direction, and the strength is based on the vector length.

Abstract: A vibration assisted drilling system is presented. The vibration assisted drilling system comprises a drill feed motion system having a drill feed axis, an oscillation motion system having an oscillation axis, a drill spindle having a drill bit, and a mounting system configured to connect the drill spindle to the oscillation motion system. The drill feed axis is substantially parallel to and offset from the oscillation axis.

Abstract: A method for operating a wind power installation for generating electrical power from wind, wherein the wind power installation has an aerodynamic rotor with rotor blades of which the blade angle is adjustable, and the rotor can be operated at a variable rotor rotation speed. Furthermore, the wind power installation has a generator, which is coupled to the aerodynamic rotor, in order to generate an output power. Here, the output power is set depending on the wind in a partial-load mode in which the wind is so weak that the wind power installation cannot yet be operated at its maximum output power, an actual air density of the wind is detected and each blade angle is set depending on the rotor rotation speed and depending on the detected air density. A wind power installation is also provided.