Abstract: A retaining device for coupling an encoder unit of a rotary encoder to an electric machine includes an end shield having a guide groove for receiving an encoder module of the encoder unit, and a retaining ring including a first coupling element for mechanically coupling the retaining ring to the end shield, with the first coupling element being embodied as a hole. A fastening screw is received in the hole to mechanically fasten the retaining ring to the end shield. A shielding element is integrally formed on the retaining ring for shielding against an external interference field.

Abstract: A device for monitoring a shaft coupling coupling a first shaft to a second shaft includes an optical unit having a receiving element to receive electromagnetic radiation. A modifying unit modifies a radiant energy impinging on the receiving element as the first shaft runs asynchronously with respect to the second shaft. The modifying unit includes a holographic optical component designed for arrangement on and/or within the first shaft, and a diaphragm designed for arrangement on and/or within the second shaft and including radially arranged slots and radially arranged filled regions in an at least substantially regular sequence. The diaphragm includes an at least substantially centrally arranged opening. The holographic optical component is designed for illumination or irradiation with the electromagnetic radiation and generates a pattern having radially arranged areas with a first radiant energy and radially arranged areas with a second radiant energy in an at least substantially regular sequence.

Abstract: A method of condition monitoring for a device, the method including determining a desired state of the device, or event, at which sensor data is to be obtained; determining an indicator indicating the desired state or event; monitoring for the indicator; sending an instruction to one or more sensors associated with the device to trigger activation of the sensor when the desired state or event has occurred, as indicated by the indicator; receiving data from the activated sensor; and returning the sensor to a sleep mode after the data has been received from the sensor.

Abstract: A power converter includes an apparatus for enclosing a power unit, which is at least partially inside and/or on a heat sink, and for centering a control unit with respect to the power unit. The power unit includes a semiconductor component and a substrate. The apparatus includes a frame designed to at least partially, preferably completely, surround the substrate, two protruding pieces of a first type designed to engage in a recess or an opening in a heat sink, a protruding piece of a second type designed to engage in a recess or an opening in a control unit, and a fixing element, with at least one of the two protruding pieces of a first type and the fixing element being connected to one another and designed to project in opposite directions. The control unit includes an electronic component and is connected to the power module by the fixing element.

Abstract: A method checks an industrial machine or an automation system by a computer-assisted safety test. At least one control path of the entire industrial machine or of the entire automation system is checked the computer-assisted safety test.

Abstract: Various embodiments include a method for transmitting data from a transmission source to a transmission target using at least two components of a network moving relative to the transmission source and/or transmission target. The method may include transmitting data using a distributed database having at least two parts transmitted by at least two of the components. The at least two parts are linked cryptographically to one another.

Abstract: Various embodiments include a pose estimation method for refining an initial multi-dimensional pose of an object of interest to generate a refined multi-dimensional object pose Tpr(NL) with NL?1. The method may include: providing the initial object pose Tpr(0) and at least one 2D-3D-correspondence map ?pri with i=1, . . . , I and I?1; and estimating the refined object pose Tpr(NL) using an iterative optimization procedure of a loss according to a given loss function LF(k) based on discrepancies between the one or more provided 2D-3D-correspondence maps ?pri and one or more respective rendered 2D-3D-correspondence maps ?rendk,i.

Abstract: Various embodiments of the teachings herein include a method for detecting data anomalies. A method may include: receiving test data; and matching the test data with a data rule determined on the basis of historical data having a shared data type with the test data. The data rule contains an antecedent and a consequent predicate set. An intersection of the antecedent predicate set and the consequent predicate set is an empty set. The antecedent predicate set contains at least one antecedent predicate. The consequent predicate set contains at least one consequent predicate. When the data to be tested satisfies all the antecedent predicates in the antecedent predicate set and fails to satisfy at least one consequent predicate in the consequent predicate set, the test data is flagged as anomalous due to failure to satisfy the data rule.

Abstract: A protection circuit for a semiconductor switch has a gate that can be controlled by a gate driver. The protection circuit includes an integrator for detecting a gate charge of the gate and a comparator unit for switching off the semiconductor switch in dependence on the value of the gate charge relative to a reference charge.

Abstract: Method for checking load circuits of a control system in an installation, wherein the system includes load circuits with a load unit, a control unit and a clocked power supply that supplies the load circuits with a supply voltage or a supply current via output channels activated by control signals from the control unit, where reference values for currents or voltages are initially determined for predefined installation states in which an output channel is activated and an associated load circuit is supplied with predefined voltage values of the supply voltage or predefined current values of the supply current, reference values determined for the predefined installation states are stored, during a self-test present current values or voltage values on the activated output channel are subsequently measured, and a check is performed, and the corresponding associated load circuit is indicated if a deviation from a tolerance range exists.

Abstract: A system and method are disclosed for orchestrating the execution of computing tasks. An orchestration engine can receive task requests over a network from a plurality of process engines. The process engines may correspond to respective edge or field devices that are remotely located as compared to the orchestration engine. Each task request may indicate at least one task requirement for executing a respective computing task. A plurality of computing instances that have available computing resources can be selected from a set of computing instances. A predicted runtime can be generated for each of the computing tasks. In an example, based on the predicted runtimes, task requirements, available computing resources, and associated network conditions, a schedule and allocation scheme are determined by the orchestration engine.

Abstract: A robot joint, including: a housing; an output shaft, at least partially housed inside the housing and provided with a shaft portion and a flange portion at a first end of the shaft portion; a first bearing portion, housed in the housing and supporting a first position of the flange portion of the output shaft; a second bearing portion, housed in the housing and supporting a second position of the output shaft in an axial direction; and a motor, housed in the housing, where the second bearing portion is arranged between the motor and the first bearing portion along the axial direction of the output shaft. Further provided is a robot. By effectively supporting the output shaft at multiple points, the output shaft is enabled to more effectively and stably bear the moment or bending moment of a load, and the robot joint structure is enabled to be compact and lighter.

Abstract: A vacuum interrupter has a cover base formed with an insertion opening for an axially movable moving contact rod carrying a moving contact. The moving contact rod is routed out of the vacuum interrupter in a vacuum-tight manner by way of a bellows. The bellows has a centering appendage which is formed by a tubular end piece of the bellows that runs parallel to the longitudinal axis of the bellows and is inserted into the insertion opening. The bellows moreover has a bellows base which is disposed on the centering appendage, runs substantially transversely to the longitudinal axis of the bellows, and is formed with a through-opening for the moving contact rod.

Abstract: A method is for precharging a second network section with electrical energy from a first network section of a DC network. In an initial state, an initial voltage prevailing in the second network section is lower than a DC voltage prevailing in the first network section. At a first point in time, the two network sections are connected via a resistor current path having a precharging resistor. At a subsequent second point in time, as soon as the voltage in the second network section is between the initial voltage and the DC voltage, the two network sections are connected via a semiconductor switch which is situated parallel to the resistor current path and is operated in a clocked mode or in a linear mode as a controllable resistor.

Abstract: Provided are a product performance prediction modeling method and apparatus, a product performance prediction method, a product performance prediction system, a computer device, and a storage medium. The product performance prediction modeling method includes: acquiring first sample data, the first sample data including device outlier data generated in a process of manufacturing a product by a device; acquiring a production line configuration simulation parameter of a production line relating to a location of the device, and product information of the product manufactured by the production line; selecting a simulation model to perform simulation test on the performance of the product, to obtain product performance simulation data; and inputting the device outlier data, the production line configuration simulation parameter, the product information and the product performance simulation data into a machine learning model to perform machine learning training, to obtain a product performance prediction model.

Abstract: A fixing module is for fixing a push button or emergency stop button or rotary actuator of a control and signaling device. In an embodiment, the fixing module is constructed from a top housing part and a bottom housing part, each including a cuboidal structure with a top side, an underside and four side parts connecting the top side to the underside. In at least one embodiment, on the top side of the bottom housing part, a material that extends at least partially in this plane and has a grounding function is formed or an electrically conductive component made of metal with a grounding function is arranged.

Abstract: A semiconductor module includes a semiconductor element, a substrate, and a bond connector designed as a gate resistor, shunt, resistor in an RC filter or fuse. The bond connector includes a core made of a first metal material and a jacket which is designed to envelope the core and made from a second metal material that is different from the first metal material, with the first metal material having an electrical conductivity which is lower than an electrical conductivity of the second metal material. At least one of the semiconductor element and the substrate is connected to the bond connector.

Abstract: Various embodiments of the teachings herein include a method for fusing one or more cross sections in a powder layer for building one or more objects layer by layer with electron beam powder bed fusion. The method may include: pre-sintering only the cross sections in the powder layer by scanning the cross sections with a first line energy; and fusing the cross sections by scanning the cross sections with a second line energy. The second line energy exceeds the first line energy by at least a factor of 2.

Abstract: A method for computer-supported simulation of operation of a machine working in an automated manner, the machine being controllable during real operation via software on a programmable logic controller, wherein simulated control of the machine via software on a simulation computer is performed based on a predefined execution pattern, where the temporal execution sequence of processes executed by the software code and starting time points of processes are defined based on a virtual time and the execution time point of each process is set to zero in the virtual time in the predefined execution pattern, and during the simulation, the next process, which follows an ended process according to the execution sequence, is not started until a process in the real time of the simulation computer has ended, and where the virtual time is set to the starting time point of this next process when the next process is started.

Abstract: Various embodiments include a method for producing a structure with a cold gas spraying method comprising: providing a carrier with a carrier surface, to which the structure is to be attached by the cold gas spraying method by following a travel path; and providing an element with an element surface different from the carrier surface. The element is arranged in the travel path and/or the travel path is specified such that intersections of the travel path and/or interruptions of the structure are arranged on the element surface.