Abstract: A voltage sensor is disclosed for high and medium voltage use, wherein a voltage divider is arranged in a housing with external creepage distance enlarging ribs. To implement structures for creepage path enlargement to a sensor housing in a very effective and easy way, the voltage divider is arranged in a housing or in housing modules which is or are covered at least partly by at least one shrinking tube of insulating material such that the shrinking creepage enlarging structures are implemented at least at outer surface of the shrinking tube.

Abstract: A detection system for detecting an electrical discharge in an electrical apparatus includes a first sensing device that senses an acoustic wave and an electromagnetic wave and generates a first combined signal. A signal processing device processes the first combined signal and determines the occurrence and properties of an electrical discharge.

Abstract: A strike pin assembly for a fuse assembly in which the strike pin assembly is maintained in a locked position by a holding force of a filament and an interference provided by a plurality of retention bodies. Upon a breakage of the filament, such as, for example, in response to heat generated by operation of a fuse element, a trigger can be displaced via a first biasing force in a distal direction such that the trigger is positioned at a location that does not impede an inward displacement of a plurality of retention bodies from a recess of a firing pin. Upon the inward displacement of the retention bodies, a second biasing force can displace the firing pin in the distal direction such that a portion of the firing pin can protrude out from an adapter of the strike pin assembly.

Abstract: A modulator for a flying-capacitor type multilevel converter receives, at an input, a time-variant reference signal and provides, at an output, a sequence of target levels, to provide switching signals for switching between discrete output levels of the multilevel converter according to the shape of the reference signal. The modulator determines a critical level as an intermediate output level of the multilevel converter which is closest to the level of the reference signal; and outputs only target levels corresponding to output levels different from the critical level.

Abstract: Embodiments of present disclosure relate to an apparatus and a method for separating objects. The apparatus comprises: a separating mechanism configured to separate objects arranged in a stack; a robot configured to hold the separating mechanism; and a controller configured to: cause the robot to move the separating mechanism to a first height; cause the robot to move the separating mechanism towards the stack; in response to a distance between the separating mechanism and the stack reaching a distance threshold, cause the robot to stop moving the separating mechanism; and cause the separating mechanism to separate the objects.

Abstract: A packing cell for packing products in boxes includes a picking system for picking products and stacking them according to a stacking pattern, a support unit for the stacking process, with a rotatable horizontal shaft for placing a support platform in a predetermined angular position for the stacking process, and a box handling robot to transfer empty boxes towards the support unit and full boxes away from the support unit. A method includes placing the support platform in a predetermined angular position adjacent a product picking system, picking and stacking a number of products according to a stacking pattern on the support unit, and removing from the support unit, with a box handling robot, a box containing the stacked products.

Abstract: A converter system includes a rectifier, a DC link stage and an inverter connected in series. A control unit includes a slow reference frame angle determination unit that generates a slow reference frame angle ?r,slow representing an angle that is slowly following a grid phase deviation, and a fast Phase Locked Loop generating a fast reference frame angle ?r,fast representing an angle that is fast following a grid phase deviation. The control unit uses the slow reference frame angle ?r,slow and the fast reference frame angle ?r,fast to control the rectifier output current, and the fast reference frame angle ?r,fast to control the inverter output voltage and to synchronize the inverter output voltage with the grid voltage.

Abstract: An overcurrent fault detector using a High Electron Mobility Transistor (HEMT) operated by a gate driver is disclosed. The overcurrent fault detector includes a band-pass filter and a control circuit. The band-pass filter is configured to receive gate-to-source voltage (VGS) signals of the HEMT and filter the VGS signals to generate a band-limited version of the VGS signals. The control circuit is configured to measure a value of the band-limited version of the VGS signals, determine if the value is greater than a threshold value, and generate a fault signal that disables the gate driver and terminates an overcurrent fault condition in response to determining that the value is greater than the threshold value.

Abstract: A self-powered recloser includes a circuit breaker, an electrical actuator, an electrical generator, a capacitor, and a lever. When in an on state, the circuit breaker harvests power from a medium voltage line required to actuate its movable contact to interrupt current flow in the medium voltage line, and when in an off state, it does not harvest power from the medium voltage line. The electrical actuator is configured to transition the circuit breaker from the off state to the on state. The capacitor when charged is configured to provide the electrical actuator with the electrical power required to transition the circuit breaker from the off state to the on state. The lever is configured to be moved by an operative. Movement of the lever is configured to charge the capacitor via the electrical generator.

Abstract: A method for controlling a three-level brake chopper and a three-level brake chopper including, a first controllable semiconductor switch connected between a positive direct current pole and a first connection point, a second controllable semiconductor switch connected between the first connection point and a neutral direct current pole, a third controllable semiconductor switch connected between the neutral direct current pole and a second connection point, a fourth controllable semiconductor switch connected between the second connection point and a negative direct current pole, resistance means connected between the first connection point and the second connection point, and control means configured to control the second controllable semiconductor switch and the third controllable semiconductor switch into a conducting state in response to detecting a fault in the resistance means.

Abstract: A system and method for generating a series of content areas for presentation at a display screen that are related to an overall machine-related-status of a machine-system, including: providing a status at an input of a first processing unit; accessing a first database-system storing a plurality of series of content areas including a respective position of each of the content areas for presentation at a display screen assigned to the respective overall machine-related-status; determining the series of content areas related to the actual overall machine-related-status for selecting the series of content areas assigned to the actual overall machine-related-status, and generating the selected series of content areas, including a respective position of each of the content areas for presentation the series of content areas related to the actual provided machine-system status at the respective position at the display screen.

Abstract: A system and method for operating a sensor device includes generating an electrical energy corresponding to a heat dissipated from a surface of an equipment, regulating the electrical energy to generate an optimum output voltage using a maximum power point tracking technique and feeding the optimum output voltage to charge an energy storage device, triggering a sensor device to acquire sensor data when a charge stored in the energy storage device is equal to or greater than a pre-defined threshold value, and transmitting the sensor data to a receiving device.

Abstract: A robotic system for use in installing final trim and assembly part includes an auto-labeling system that combines images of a primary component, such as a vehicle, with those of computer based model, where feature based object tracking methods are used to compare the two. In some forms a camera can be mounted to a moveable robot, while in other the camera can be fixed in position relative to the robot. An artificial marker can be used in some forms. Robot movement tracking can also be used. A runtime operation can utilize a deep learning network to augment feature-based object tracking to aid in initializing a pose of the vehicle as well as an aid in restoring tracking if lost.

Abstract: Method for determining a lock type of a lock device. In the method, a group of raw data of a group of lock devices is collected from a group of sensors respectively. Here the group of lock devices are respectively mounted to an object at a group of positions, and the group of lock devices belong to at least one lock type of a plurality of lock types. A group of probability distributions are obtained based on the group of raw data. Here a probability distribution in the group of probability distributions is associated with a lock device in the group of lock devices and probabilities of lock types to which the lock device belongs. A lock type of the lock device is determined based on the group of probability distributions.

Abstract: Disclosed herein is a blank for a heat-transfer device that includes a vapor chamber enclosed by a body of the heat-transfer device, and a charging tube connected to the vapor chamber, wherein a part of the charging tube protruding from the body has at least one unsealed sealing zone with an oblong flow area, where a width of the charging tube exceeds a height of the charging tube.

Abstract: Real-time monitoring of surroundings of a marine vessel. One or more observation sensor modules are configured and positioned to generate sensor data extending around the marine vessel. One or more data processors are configured to map and visualize the sensor data in relation to a virtual model of the marine vessel. A user interface is configured to display the virtual model together with the visualized sensor data from a user selectable point of view to a mariner of the marine vessel.

Abstract: Apparatuses, methods, systems, and techniques for detecting and effecting countermeasures against cyber-attacks on networked electrical power system (NEPS) devices include a trusted cyber-attack detection (TCAD) component including pre-trained cyber-attack detection logic which receives a first input indicating a physical parameter of a NEPS device and a second input indicating a computational state of a computer system of the NEPS device, determines an attack metric in response to the plurality of inputs. The attack metric can indicate whether the NEPS device is in the process of being attacked or whether the NEPS device has been successfully attacked and has been compromised.

Abstract: Methods and devices for diagnosing a robot. The method includes obtaining a first signal generated by a rotating component of the robot during operation of the robot. The first signal includes motion information of the rotating component. The first signal is preprocessed to filter out a part of the motion information in the first signal. The preprocessed first signal or spectrum information about the preprocessed first signal is sent to a server for diagnosing the robotU. A second signal is received from the server, wherein the second signal includes diagnostic information indicating whether a sub-component of the rotating component has a failure.

Abstract: A control method for preventing saturation of a transformer during fast voltage changes by correction of magnetic flux of the transformer, the transformer having a primary winding with a power electronic converter and a secondary winding, the control method including estimating or measuring a primary signal including a primary voltage on the primary winding of the transformer and a primary current on the primary winding of the transformer, and injecting a correction signal including a correction voltage into the primary winding of the transformer so as to prevent saturation of the transformer.

Abstract: A method (600) for configuring one or more components of a process plant includes receiving (602) a change request (226) and receiving (604) a system dependency graph (228) corresponding to the process plant. The method (600) further includes selecting (606) a subset of components (230) among the plurality of components based on configuration of the process plant and identifying (608) a subset of nodes (232) among the plurality of nodes by traversing a path in the system dependent graph (228). The method (600) also includes computing (610) an impact parameter (234) value based on a traversed path and computing (612) a plurality of change parameter values (236) based on the traversed path. The method (600) further includes determining (614) an effort estimate (210) based on the impact parameter (234) value and the plurality of change parameter values (236) using a machine learning technique.