Abstract: The invention relates to a system (100), comprising: —a device (1) for wirelessly transferring energy in the direction of an electrical load (2) by means of inductive coupling, —an electrical load (2), —a placement surface (3), on which the electrical load (2) is to be placed as intended for the operation of the system (100), —a useful surface (4) adjacent to the placement surface (3), —a displacement sensor (5) for determining whether or not the electrical load (2) is displaced beyond a critical amount in the direction of the useful surface (4), and—a control unit (6) coupled to the displacement sensor (5) and designed to limit or to interrupt the transfer of energy in the direction of the electrical load (2) if the electrical load (2) is displaced beyond the critical amount in the direction of the useful surface (4).

Abstract: A method is for estimating coefficients of friction for a vehicle, in particular utility vehicle, which can be driven by an electric drive. The method includes the steps of: operating, with a torque, a wheel of the vehicle, in particular utility vehicle, that is arranged on an underlying surface; ascertaining the slip of the wheel; applying a temporally predetermined excitation torque to the wheel, wherein the excitation torque is applied to the wheel periodically with a frequency; ascertaining a change in slip depending on the excitation torque, wherein the change in slip is ascertained taking into account the frequency; and ascertaining a coefficient of friction on the basis of the change in slip.

Abstract: A method is for operating a trailer vehicle having an electric drive and friction brakes. The method includes determining a differential mass between a first mass of a driven axle of the trailer vehicle and a second mass of a non-driven axle of the trailer vehicle, and determining a deceleration torque depending on the differential mass. The method further includes generating at least or exactly the determined deceleration torque with the electric drive when the friction brakes are activated. A trailer brake control unit is for the trailer vehicle. The trailer vehicle includes the trailer brake control unit. A combination includes a towing vehicle and a trailer vehicle having the trailer brake control unit.

Abstract: An oral care implement including an elongated body having a head portion supporting plurality of tooth cleaning elements and a handle portion defining an outer surface. The handle portion may include a shell portion formed from a transparent material and a core portion that is surrounded by the shell portion. The core portion may be formed from a colored material that is visible through the shell portion. The tooth cleaning elements may include bristle tufts arranged in specific columns and rows. A grip component may be coupled to an outer surface of the handle portion.

Abstract: A method for operating a power generating plant having one or more power generating assets includes receiving, via a plurality of independent applications of a supervisory controller, a plurality of operational parameters relating to the one or more power generating assets in the power generating plant. The method also includes generating, via the plurality of independent applications of the supervisory controller, a plurality of marginal effect maps based on the plurality of operational parameters. The method further includes receiving, via a central optimizer module, the plurality of marginal effect maps from the plurality of independent applications and determining one or more operational setpoints for the power generating asset(s) based on the marginal effect maps to optimize an economic value of operating the one or more power generating assets. Moreover, the method includes communicating the operational setpoint(s) to the power generating asset(s).

Abstract: A cooktop is designed to be operated either in a cooking operation or in a lighting operation, with the modes of operation not being able to occur together. Within cooking operation, the cooktop controller controls heating devices of the cooktop and light sources of the cooktop in a cooking lighting mode, wherein a luminosity of the light sources is limited to a cooking luminosity below the maximum luminosity in the process. Within lighting operation, the light sources are not controllable by the cooktop controller but can only be controlled by the light controller in an illumination lighting mode, wherein to this end the light controller receives the corresponding commands for the light sources from an external control apparatus by way of a communications device. In this case, a luminosity of the light sources can be maximal.

Abstract: A method is for operating a commercial vehicle combination including a tractor, which has a first electric machine, a first electric storage device operatively connected to the latter, and a fuel cell system, which is operatively connected to the first electric storage device and is configured to provide electric energy with a generated power, and including a trailer, which has a second electric machine and a second electric storage device operatively connected to the latter. The method includes the following steps: determining operating parameters of the first and/or the second electric machine and/or operating parameters of the first and/or the second electric storage device; and, adapting the generated power of the fuel cell system as a function of one or more or all of the operating parameters determined. A commercial vehicle combination can also use such a method when in operation.

Abstract: A method is for operating a trailer vehicle having an electric drive and friction brakes. The method includes determining a differential mass between a first mass of a driven axle of the trailer vehicle and a second mass of a non-driven axle of the trailer vehicle, and determining a deceleration torque depending on the differential mass. The method further includes generating at least or exactly the determined deceleration torque with the electric drive when the friction brakes are activated. A trailer brake control unit is for the trailer vehicle. The trailer vehicle includes the trailer brake control unit. A combination includes a towing vehicle and a trailer vehicle having the trailer brake control unit.

Abstract: An oral care implement including an elongated body having a head portion supporting plurality of tooth cleaning elements and a handle portion defining an outer surface. A grip control component is disposed on the handle portion and includes a pair of transversely spaced apart control surfaces separated by a longitudinally extending channel. The control surfaces are elevated above the outer surface of the handle portion and positioned to engage a user's thumb. The control component is operable to tilt the head portion at an upward or downward angle relative to a vertical plane of a user's teeth when the control component is grasped between the user's thumb and forefinger for producing a proper brushing angle at the gum line.

Abstract: A method for operating a friction brake device for an electrically propelled vehicle, in particular a utility vehicle, with an electric drive capable of regenerative braking, the method having the following steps: determining whether braking by the friction brake device is necessary for lining maintenance, causing braking by the friction brake device based on a brake parameter, determining drive information concerning the electric drive, and modifying the brake parameter and a drive parameter depending on the drive information in order to achieve lining maintenance, wherein the drive parameter causes operation of the electric drive depending on the braking.

Abstract: A method for operating a system having a device for the wireless transmission of energy to an electrical consumer by means of inductive coupling, and an electrical consumer, wherein the device has: a rectifier for generating a DC voltage from a line voltage, an inverter which is fed from the DC voltage and designed to generate a pulse-width-modulated activation signal, a power coil activated by the pulse-width-modulated activation signal, by means of which an alternating magnetic field can be generated to transmit the energy, a communication device designed to exchange data bi-directionally with the electrical consumer, and a regulator designed to regulate a power output by the inverter to a predetermined setpoint, and wherein the electrical consumer has: a switching device for changing the load impedance of the electrical consumer, and a communication device designed to exchange data bi-directionally with the device, wherein the method comprises the steps: synchronizing the operation of the device and the op

Abstract: A method for controlling a drive apparatus (20) of a micro-oscillation mirror (16), a control device (28) and a deflector mirror apparatus (14) are described. The drive apparatus (20) has at least two comb drives (22a, 22b) which are arranged on different radial sides of a pivoting axis (18) of the micro-oscillation mirror (16). In the method, at least two actuation signals AS1, AS2) are generated, and the at least two comb drives (22a, 22b) are therefore actuated at least temporarily in such a way that they drive the micro-oscillation mirror (16) in an oscillating fashion. At least one elongation signal (P1, P2), which characterizes the elongation (26) of the micro-oscillation mirror (16) is generated using at least one comb drive (22a, 22b).

Abstract: A device (100) for wirelessly transferring power toward a consumer (200) by way of inductive coupling, wherein the device (100) has: a rectifier (101) for generating a DC voltage (UG) from a line voltage (UN), an inverter (102) which is configured to generate a pulse-width-modulated drive signal (AS), and a power coil (103) driven by way of the pulse-width-modulated drive signal (AS), which power coil can generate an alternating magnetic field for power transfer and for measurement purposes, wherein, in a first operating mode, the inverter (102) is configured to generate the pulse-width-modulated drive signal (AS) for power transfer as a function of the DC voltage (UG), and wherein, in a second operating mode, the inverter is configured to generate the pulse-width-modulated drive signal (AS) for measurement purposes depending on a measurement voltage (UM), wherein the DC voltage (UG) is greater than the measurement voltage (UM) during the second operating mode.

Abstract: A vehicle electrical system is equipped with a DC charging connection, a rechargeable battery, a first DC-DC converter and an electrical drive. The first DC-DC converter has a first side. This is connected to a connecting point via a first switch. The first DC-DC converter has a second side to which the electrical drive is connected. The second side is connected to the rechargeable battery via a second switch and via a connecting point or is connected to the rechargeable battery directly. The vehicle electrical system has a second DC-DC converter. This is connected to one side of the first switch.

Abstract: A method is provided for operating a device for wireless transfer of energy in the direction of an electrical consumer via inductive coupling. The method involves sequentially carrying out a power transfer, a data exchange, a measurement of setup parameters, and a measurement of a resonance frequency, wherein during the power transfer, an electrical actual power emitted by an inverter is regulated to a predetermined electrical setpoint value, wherein during the data exchange, data are exchanged between the device and the electrical consumer via a communication unit, wherein during the measurement of the setup parameters, objects possibly arranged over a power coil are detected, wherein during the measurement of the resonance frequency, a resonance frequency of a resonant circuit having the power coil is ascertained, and wherein the measurement of the resonance frequency is executed immediately before or immediately after the measurement of the setup parameters or the data exchange.

Abstract: A method for operating an induction hob (100), wherein the induction hob (100) comprises: an inverter (1), which is supplied with a supply voltage (US), at least one capacitor (2, 3), and an induction heating coil (4), wherein the at least one capacitor (2, 3) and the induction heating coil (4) are interconnected such that they constitute an oscillating circuit (5), and wherein the inverter (1) is configured to generate a pulse-width modulated excitation voltage (UA) for the oscillating circuit (5) from the supply voltage (US), wherein the method comprises the following steps: a) generation of the pulse-width modulated excitation voltage (UA) having a predefined voltage characteristic, b) measurement of a resulting oscillating circuit current (iS), particularly by means of the induction heating coil (4), c) determination of electrical oscillating circuit parameters, according to the voltage characteristic of the pulse-width modulated excitation voltage (UA) and the measured oscillating circuit current (iS), d

Abstract: An oral care implement including an elongated body having a head portion supporting plurality of tooth cleaning elements and a handle portion defining an outer surface. A grip control component is disposed on the handle portion and includes a pair of transversely spaced apart control surfaces separated by a longitudinally extending channel. The control surfaces are elevated above the outer surface of the handle portion and positioned to engage a user's thumb. The control component is operable to tilt the head portion at an upward or downward angle relative to a vertical plane of a user's teeth when the control component is grasped between the user's thumb and forefinger for producing a proper brushing angle at the gum line.

Abstract: In particular, one or more example embodiments relates to a (e.g. computer-implemented) method for detecting free intra-abdominal air. The method comprises—receiving input data, said input data comprising a medical imaging data set of an abdominal region of a patient, e.g. via a first interface; applying a trained function, wherein the output data is generated, providing the output data e.g. via a second interface.

Abstract: A fully or semi-automated, integrated learning, labeling and classification system and method have closed, self-sustaining pattern recognition, labeling and classification operation, wherein unclassified data sets are selected and converted to an assembly of graphic and text data forming compound data sets that are to be classified. By means of feature vectors, which can be automatically generated, a machine learning classifier is trained for improving the classification operation of the automated system during training as a measure of the classification performance if the automated labeling and classification system is applied to unlabeled and unclassified data sets, and wherein unclassified data sets are classified automatically by applying the machine learning classifier of the system to the compound data set of the unclassified data sets.

Abstract: The invention relates to a control circuit (50) for pulsed control of a light-emitting means (52), in particular an LED or a laser diode (52), having a switched-mode power supply unit (54) with a first switch (64) arranged in a primary circuit of the switched-mode power supply unit (54), wherein the switched-mode power supply unit (54) has a primary-side connector (62) for connection to a supply voltage, a secondary-side connector (67) for supplying the light-emitting means (52) and a switching input (65) for operating the first switch (64), having a storage capacitor (68) arranged between the secondary-side connector (67) and a ground (66), having a second switch (70) arranged in a current path (71) in parallel with the storage capacitor (68), wherein the light-emitting means (52) is positionable in the current path (71), and having a control unit (72) to control the first and the second switch (64, 70), wherein the control unit (72) is designed to operate the first switch (64) in order to induce at least on