Abstract: An electric meter includes a housing, a first set of connection paths, and a second set of connection paths. The first set of connection paths couple to a meter socket and are electrically coupled to a first electrical connection path between first phases of an electric distribution power source, a distributed energy resource device, and a load. First electrical metrology components of the first electrical connection path are positioned within a first segment of the housing. The second set of connection paths couple to a meter socket and are electrically coupled to a second electrical connection path between second phases of the electric distribution power source, the distributed energy resource device, and the load. Second electrical metrology components of the second electrical connection path are positioned within a second segment of the housing that is non-overlapping with the first segment of the housing.

Abstract: Disclosed is a method and device for determining characteristics of metallic casing and casing attenuation, the method includes the following steps: obtaining the ratio of first magnetic field with metallic casing and without metallic casing at DC mode; obtaining magnetic related parameter of the metallic casing; obtaining magnetic permeability of metallic casing; obtaining the ratio of second magnetic field with metallic casing and without metallic casing at AC mode; obtaining electrical related parameter of the metal casing through the ratio of the second magnetic field and the magnetic related parameter of the metal casing; obtaining electrical conductivity of metallic casing through the electrical related parameter; obtaining casing attenuation of metallic casing through the magnetic related parameter and the electrical related parameter. The beneficial effect of this disclosure is: this method can obtain characteristics and casing attenuation of metallic casing without measuring impedance.

Abstract: Examples described herein generally relate to forming and/or configuring a die stack in a multi-chip device. An example is a method of forming a multi-chip device. Dies are formed. At least two or more of the dies are interchangeable. Characteristics of the at least two or more of the dies that are interchangeable are determined. A die stack comprising the at least two or more of the dies that are interchangeable is formed. Respective placements within the die stack of the at least two or more of the dies that are interchangeable are based on the characteristics.

Abstract: A payload support frame is adapted to suspend a payload from an unmanned aerial vehicle (UAV) during flight. The frame comprises at least one elongated rigid segment, at least one upper flexible segment at an upper end of the rigid segment, and at least one lower flexible segment at a lower end of the rigid segment. One or more of (a) the at least one rigid segment, (b) the at least one upper flexible segment, or (c) the at least one lower flexible segment comprise a dielectric material. The upper flexible segment is adapted to be selectively attachable, directly or indirectly, to the UAV. The lower flexible segment is adapted to be selectively attachable, directly or indirectly, to the payload.

Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.

Abstract: Disclosed is an assembly of a non-magnetic and metallic target for an inductive sensor and its support, the target being flexible under pressure and under the release of the pressure in a reciprocating movement toward and away from the support. The target includes a central portion surrounded by flexible fixing tabs, a first end of which is secured to the central portion and a second end of which is fixed to the support, the fixing tabs being evenly distributed around the central portion, a first portion of each fixing tab closest to the central portion being stiffer relative to a portion of the fixing tab farthest away from the central portion.

Abstract: An extracellular potential measurement device includes multiple insulating films each of which is made from an electric insulating material, the insulating films being stacked and bonded to each other; and multiple electrode wires each of which is made from an electroconductive material, the electrode wires being arranged in multiple heights. Each of the electrode wires is interposed between an upper insulating film and a lower insulating film. Each of the insulating films, except for a lowermost insulating film, has an opening penetrating the insulating film. The opening in a lower insulating film has a size that is less than that of the opening in an upper insulating film, the openings in the insulating films being overlapped to form a recess having a size reducing downward, the recess being adapted to store a collection of cells. Each of the electrode wires has an end that is located near an opening in an insulating film that is immediately below the electrode wire, the ends being exposed in the recess.

Abstract: For moisture detection and prevention systems, the reduction or prevention of false positive and false negative alarms is of immense economic value. A method of discriminating the types of materials in contact with a capacitive detector can be easily implemented even for battery-powered devices and has already proven useful in testing in preventing false alarms, and discriminating various solutions.

Abstract: Systems for improvements in electrical power distribution and monitoring systems for data centers. A system can include a circuit breaker, a set of phased current transformers (CTs), a neutral CT, and a metering device. The circuit breaker can be mounted in a first enclosure. Additionally, the set of phased CTs can be positioned in a first component arrangement of a second enclosure. The set of phased CTs can be coupled to the circuit breaker and be configured to measure a current value flowing through the circuit breaker. Moreover, the neutral CT can be positioned in a second component arrangement of the second enclosure. The neutral No errors found. CT can be coupled to the circuit breaker. Furthermore, the metering device can be configured to transmit data associated with the current value to a display device.

Abstract: An example device includes an analog comparator circuitry having a first input configured to couple to an input voltage and a second input configured to couple to a reference voltage, the analog comparator circuitry configured to output a digital value corresponding to a difference between the input voltage and the reference voltage and output sampler circuitry configured to: produce a plurality of samples of the difference, and count the number of samples in which the input voltage is greater than the reference voltage. The example device also includes reference adaption circuitry configured to: determine, based on the count, whether to adjust the reference voltage; responsive to a determination to adjust the reference voltage, determine, based on the count, an amount of adjustment; and responsive to a determination not to adjust the reference voltage, provide an indication of the reference voltage to processor circuitry.

Abstract: A capacitive imaging glove includes electrodes implemented throughout the capacitive imaging glove and drive-sense circuits (DSCs) such that a DSC receives a reference signal generates a signal based thereon. The DSC provides the signal to a first electrode via a single line and simultaneously senses it. Note the signal is coupled from the first electrode to the second electrode via a gap therebetween. The DSC generates a digital signal representative of the electrical characteristic of the first electrode. Processing module(s), when enabled, is/are configured to execute operational instructions (e.g., stored in and/or retrieved from memory) to generate the reference signal, process the digital signal to determine the electrical characteristic of the first electrode, and process the electrical characteristic of the first electrode to determine a distance between the first electrode and the second electrode, and generate capacitive image data representative of a shape of the capacitive imaging glove.

Abstract: A reliability evaluation method and system for a microgrid inverter IGBT based on segmented long short-term memory (LSTM) is disclosed, including steps as follows. An electrothermal coupling model is constructed to obtain real-time junction temperature data. The original LSTM algorithm is improved to obtain a segmented LSTM prediction network for the aging characteristics of the IGBT. The monitoring value of the IGBT aging parameter is used to perform segmented LSTM prediction to obtain the predicted aging process, and the threshold values of different aging stages are categorized. An aging correction is performed on the aging parameter of the electrothermal coupling model to ensure the accuracy of the junction temperature data. Rainflow-counting algorithm is used to calculate real-time thermal stress load distribution of the IGBT. The fatigue damage theory and the Lesit life prediction model are combined to calculate the real-time cumulative damage and predicted life of the IGBT.

Abstract: The present invention relates to a method and device for evaluating the thickness-direction dispersion of a binder in a mixture layer of an electrode. The thickness-direction dispersion of the binder in the mixture layer of the electrode can be evaluated through a non-destructive method.

Abstract: Systems and methods are provided for detecting water within an electronic power steering assembly. A sensor assembly includes a resistor and a water-sensitive capacitor arranged to provide a series resistor-capacitor (RC) network having a cut-off frequency that is a function of a capacitance of the water-sensitive capacitor. An oscillator provides an excitation to the series RC network having a known frequency, such that the series RC network provides an output in response to the excitation. An envelope detector receives the output of the series RC network and generates an output representing an amplitude of the output of the series RC network. A microcontroller determines if water is present within the electronic power steering assembly from the amplitude of the output of the series RC network.

Abstract: A health monitoring system for an electrically-conductive tension member of an elevator system belt includes a transmitter including a transmitter coil configured for placement at the tension member, a receiver configured to be positioned at the tension member, and a controller operably connected to the transmitter and the receiver. The controller is configured to direct an alternating current through the transmitter coil resulting in the generation of a magnetic field and eddy currents at the transmitter coil, evaluate fluctuations in the magnetic field detected at the receiver. The fluctuations are indicative of wear or damage to the tension member.

Abstract: Automated power noise susceptibility test systems are provided for one or more storage devices. A system includes a host; storage devices; and multiple noise injection modules. Each noise injection module includes: a first relay to a third relay, which are coupled to a first path or a second path. The first path includes: an operational amplifier for generating a high noise function; a first variable regulator for generating a first or second regulated power supply voltage; and a capacitor injection circuit for generating low noise function and a first power noise. The second path includes: a second variable regulator for generating a third or fourth regulated power supply voltage and a power amplifier injection circuit for generating a second power noise. The third relay selectively provides the storage device the first power noise or the second power noise.

Abstract: Coaxial load pull tuners use one horizontally-only moving metallic reflective probe inserted in the slabline at fixed penetration and an adjustable RF energy absorbing eccentrically into the slabline rotated disc. The tuner does not use high precision vertical axes. The remotely adjustable attenuator is inserted adjacent to the test port and mitigates spurious high reflection. Calibration procedures using de-embedding or adapter removal techniques allow high resolution full tuner characterization in a few minutes.

Abstract: A rotational speed sensor, including: a cylindrical sensor head having a measuring tip; and a tongue, which is arranged on an outer diameter of the sensor head, and which is formed to interact with a counter-contour of a fixing device as an anti-rotation lock for the rotational speed sensor. Also described are a related fixing device, a receiving device, a sensor system, and a method.

Abstract: A sensor for detecting relative movements between an encoder, having a substantially periodic scale and/or pattern, and at least one sensor element, wherein the sensor comprises at least one sensor element and a signal processing device, the signal processing device being designed to take the sensor element output signal of the sensor element as a basis for providing a movement signal, wherein the signal processing device is designed such that it has two or more switching thresholds for the at least one sensor element output signal, movement information that is taken into consideration for generating the movement signal being generated substantially whenever a switching threshold is exceeded and/or is fallen short of by the sensor element output signal, wherein the signal processing device is designed such that the appearance of movement information results in a particular movement impulse of defined duration being generated in the movement signal, wherein the signal processing device is designed to substanti

Abstract: The present disclosure provides a phase compensation method and apparatus for measuring an array antenna. The phase compensation method includes: an operation S1 of exporting measured far-field directivity patterns of a first array unit and a second array unit, to establish a coordinate system, so as to determine a spatial geometrical relationship between the first array unit and the second array unit; an operation S2 of determining a wave path difference between the first array unit and the second array unit based on the spatial geometrical relationship between the first array unit and the second array unit; and an operation S3 of performing phase compensation on the second array unit based on the wave path difference.