Abstract: A support for at least one electrical component includes a heat sink having a heat sink surface and two opposing lateral walls protruding from the heat sink surface. The heat sink includes a base body made of aluminum and a copper layer as a heat spreading layer which forms the heat sink surface. The copper layer is produced together with the base body through continuous casting, or with the copper layer being applied additively through cold gas spraying to a surface of the base body. Two spaced-apart sealing blocks lie on the heat sink surface, with each of the two sealing blocks extending between the two lateral walls and contacting the two lateral walls. A support structure is arranged on the heat sink surface between the two sealing blocks.

Abstract: Various embodiments of the teachings herein include an electric machine. The machine comprises a stator and/or a rotor with a stack of soft-magnetic laminations. The soft-magnetic laminations are disposed next to one another on flat sides of the laminations. At least one of the flat sides on which two adjacent laminations are close to one another is formed with a sintering skin.

Abstract: Various embodiments include a method for controlling electricity exchanges and heat exchanges among a plurality of energy systems using a central control platform, wherein electricity exchange takes place via an electricity network and heat exchange via a heat network. The method may include: calculating a mathematical optimization at the control platform of power corresponding to the electricity exchanges and the heat exchanges; calculating the powers corresponding to the electricity exchanges and heat exchanges satisfies network boundary conditions of the electricity network; and implementing the electricity exchanges and heat exchanges between the energy systems based on the calculated powers. The optimization is based on an objective function including a coupling between electricity exchanges and heat exchanges.

Abstract: Various embodiments of the teachings herein include an electrical machine. The electrical machine may include a rotor and/or a stator with a stack of soft magnetic laminations. Each soft magnetic lamination has a first respective flat side and a second respective flat side facing away from the first one. Each soft magnetic lamination tapers from the first flat side to the second flat side. Each of the soft magnetic laminations in the stack are oriented with the respective second flat side in the same direction.

Abstract: A method, with the aid of which an installation-wide security consideration may be carried out, that is not limited only to automation components of a single manufacturer, but that functions across all manufacturers, is provided. Through suitable user guidance and automated support in process-conforming execution of assessments, incident handling and the definition of security measures as well as corresponding tracking, the method has a high level of user-friendliness. A rule generator uses security criteria in order to develop user-specific analysis rules from a complex rulebook with a number of input values. All the installation-relevant data is automatically compiled in an inventory. The machine security auditor applies the user-specific rulebook to the collected installation data from the asset inventory, and from that, prepares the audit trail.

Abstract: A fail-safe counter evaluator is provided to insure proper counting operations by fail-safe counters. The failsafe counter evaluator comprises a first microprocessor, a first counter, a second counter, a second microprocessor and a test channel. The first counter is configured as a counter in operation and disposed in the first microprocessor to receive externally generated count pulses. The second counter is disposed in the first microprocessor and configured to undergo a test. The test channel is configured to send an input test signal to the second counter based on test pulses from the second microprocessor. The first microprocessor and the second microprocessor are synchronized so that to coordinate a start and an end of the test. The second counter is evaluated after the test pulses have been sent to determine if the second counter is operating properly.

Abstract: A DC voltage switch includes a first switch arranged at a first potential between a first terminal of the first switch and a second terminal of the first switch, a first discharging device which is arranged between the first terminal at the first potential and a third terminal at a second potential and includes a first switching element designed as a thyristor, and a second discharging device which is arranged between the second terminal and a fourth terminal at the second potential and includes a second switching element designed as a semiconductor switch that can be switched off. The respective discharging devices connect the first terminal and the third terminal and/or the second terminal and the fourth terminal, at least temporarily, when the DC voltage switch is being or has been switched off.

Abstract: A DC-to-DC converter converts a DC input voltage to a DC output voltage by generating a primary AC voltage and transforming the primary AC voltage into a secondary AC voltage with a transformation ratio. The DC-to-DC converter has series resonance circuit for each AC voltage phase. When the ratio of the DC output voltage to the DC input direct voltage is greater than the transformation ratio, a phase shift between the primary alternating voltage and a series resonance circuit current corresponding to the primary alternating voltage is controlled to zero by changing a clocking frequency clocking the AC voltages. Conversely, when the ratio of the DC output voltage to the DC input voltage is less than the transformation ratio, the phase shift between the secondary AC voltage and a series resonance circuit current corresponding to the secondary AC voltage is controlled to zero by changing a clocking frequency.

Abstract: A control device of a machine tool receives a target machining, in accordance with which a workpiece should be machined by a tool of the machine tool. The control device also receives via a human-machine interface or via an interface to an external memory device a selection, a parameterization and/or a specification of a sequence of predefined rules, which define the manner in which the machining of the workpiece should be modified in the event of undesired vibrations during machining. When undesired vibrations do not occur, as determined from acquired sensor signals, machining is carried out in accordance with the target machining. When undesired vibrations occur, the machining is modified in accordance with the rules, wherein the control device selects the rules in accordance with the selection, parameterizes the rules in accordance with the parameterization and/or carries out the rules in accordance with the specified sequence.

Abstract: The invention is a method, an apparatus and a computer program for the automatic processing of data identifiers (20, 22), wherein data (12) associated with data identifiers (20, 22) is transmitted to a cloud platform (16) and to an analysis unit (32) there having at least one functional unit (45-50), wherein each functional unit (45-50) performs an analysis of the data (12) and/or associated data identifier (20, 22) and outputs a confidence value as an analysis result, wherein the or each confidence value is mapped to an overall confidence value (60), wherein the overall confidence value encodes a correlation between two data identifiers (20, 22), wherein data identifiers (20, 22) determined as correlated are combined under a higher-order variable name (66), and wherein the higher-order variable name (66) can be used for a database query, which supplies data relating to all data identifiers (20, 22) combined under the variable name (66), wherein data identifiers (20, 22) having an overall confidence value (60

Abstract: A semiconductor module includes a housing, a pin arranged in the housing and including a first contact region which has a press-fit connection, a semiconductor component arranged in the housing and electrically conductively connected to the pin, and a first substrate arranged in the housing and clamped in the housing via the pin by a non-positive locking connection, which, when formed, causes the press-fit connection to be deformed elastically and/or plastically with the first substrate. The first substrate has a first recess which is open and at least in part encompasses the pin in the first contact region. A metallic coating is applied to the first substrate at least in a region of the first recess so as to electrically conductively connect the first substrate to the semiconductor component, and a second substrate is in contact with the pin and connected within the housing in a non-releasable manner.

Abstract: Various embodiments of the teachings herein include an edge computing method. The method may include: installing a daemon on a first edge device connected to a control server, wherein the daemon sends information to the server when an accelerator is connected to the edge device indicating the first edge device is connected to an accelerator; receiving the connection information from the daemon and configuring an accelerator enabled flag for the first edge device indicating the first edge device is connected to an accelerator; receiving a sharing request from either edge device, wherein the sharing request requesting an accelerator execute a target application; labeling an edge device with the accelerator enabled flag as a second edge device according to the sharing request; and loading the target application onto the second edge device so the accelerator connected to the second edge device executes the target application.

Abstract: A method and a control apparatus for determining parameters for controlling an electric drive having an electric machine improve the start-up of the electric drive by applying a current indicator as a signal at three-phase winding connections of the electric machine, and measuring a d-component and a q-component of the stator voltage and of the stator current at the winding connections. In a first measurement step, a rotating current indicator is applied to the three-phase winding connections and the electric machine is oriented such that an exciter current in the q-axis assumes a minimum. In a second measurement step, when the rotor of the electric machine is stationary, a field winding of the electrical machine is short-circuited and a current indicator in form of a binary noise signal is applied to the winding connections. A stator impedance is then determined as a first control parameter.

Abstract: Apparatus for continuously producing a molded body by an additive manufacturing method includes a processing region receiving a powder applied layer-by-layer to form a molded body, and a separation device having a separation element which can be introduced into the processing region to form chambers in the processing region. The separation device further includes a drive to move the separation element such as to lower the chambers in a vertical direction during the layer-by-layer processing from a treatment portion of the processing region to a removal portion of the processing region, and to remove the separation element in the removal portion of the processing region at least in part from the processing region for opening a lower one of the chambers so that the molded body is able to fall or slide out of the processing region.

Abstract: Various embodiments of the teachings herein include a method for optimizing a gasifier model. Some examples include: virtually partitioning the gasifier by temperature; enabling the gasifier model to input feed split from total feed based on a respective proportion coefficient in each virtual partition to perform gasification reactions independently by each virtual partition; enabling the gasifier model to determine a virtual value of a gasifier parameter after mixing the virtual partitions, quenching and shifting when gasification reactions reach an equilibrium in each virtual partition; determining a measured value of the gasifier parameter when the total feed is input; and adjusting the proportion coefficients based on a comparison result between the measured value and the virtual value of the gasifier parameter.

Abstract: A power module includes a heat sink, a power unit formed at least partially inside the heat sink and/or on the heat sink and comprising a semiconductor element and a substrate, and a device designed to enclose the power unit and to center a control unit with respect to the power unit. The device includes a frame designed to surround the substrate at least partially, a first projecting section designed to engage in a recess or an opening of the heat sink, and a second projecting section designed to engage in a recess or an opening or a notch of the control unit and to have an outline which when viewed in cross-section is at least essentially star-shaped with at least a first leg, a second leg and a third leg.

Abstract: A flow meter for a fluid with a pulsating flow includes a piezo transducer for receiving and converting fluid pulses into electrical pulses, a AC/DC converter circuit for cumulatively storing the pulse energies of the electrical pulses in an energy store, a counter for counting the electrical pulses during a time interval, an evaluation device for determining a pulse parameter indicative of the flow rate of at least one of the electrical pulses and for determining a flow value based on the electrical pulses counted within the time interval and the determined pulse parameter, a communication device for the preferably wireless transmission of the determined flow value and a power supply device for the exclusive power supply of the flow meter with the energy stored in the energy store.

Abstract: A self-ventilated electrodynamic rotary machine includes a housing configured to at least partially axially enclose the rotary machine, and a fan connected in a rotationally fixed manner to a shaft on a ventilation side of the rotary machine and configured to generate a main cooling air flow when the shaft rotates about an axis. The fan includes a cover which is configured to direct the main cooling air flow onto the housing and is structured to improve cooling of the housing. An air guide element is detachably fixed to the cover to generate an additional cooling air flow. The air guide element, when viewed in a circumferential direction, has a segmented design and is configured as separate part for retrofitting to the cover depending on a thermal requirement of the rotary machine.

Abstract: Various embodiments include a computer-implemented method for determining a level of wear of a tool. The method includes: obtaining an image data set mapping a wear-relevant region of the tool; allocating, using a computing unit and an artificial neural network, one class of a predetermined quantity of classes to each image point of a plurality of image points of the image data set; and determining a characteristic value based on a result of the allocation for the level of wear. The quantity of classes includes at least one wear class.

Abstract: Various embodiments of the teachings herein include an electronic module. The module may include: an electrical circuit; a first MEMS switch having a first control contact with a first switching threshold voltage; and a second MEMS switch having a second control contact with a second switching threshold voltage different than the first. The first control contact and the second MEMS switch are linked to the electrical circuit.