Abstract: Electrical installation comprising a monitoring module positioned between a sensor connected to a measurement cable and first and second power supply cables for the sensor. The monitoring module comprises a first transistor comprising a first and a second power electrode and a control electrode, the first and the second power electrodes of the first transistor being electrically connected to the second power supply cable and to the measurement cable, respectively, so that, when the first transistor is in the closed state thereof, a first fault value is generated on the measurement cable. The control electrode of the first transistor is connected to the first power supply cable so that the loss of first potential on the first power supply cable, caused by the interruption thereof, automatically triggers the switching of the first transistor to the closed state thereof.

Abstract: A power verification circuit is provided. The power verification circuit includes a current source, a resistive random access memory (RRAM) cell and a Zener diode. The current source is coupled to a power terminal. The RRAM cell is coupled between the current source and a ground terminal. The Zener diode has an anode coupled to the RRAM cell and a cathode coupled to the power terminal. The impedance of the RRAM cell is determined by the power voltage applied to the power terminal.

Abstract: The present disclosure provides a probing apparatus for semiconductor devices using pressurized fluid to control the testing conditions. The probing apparatus includes a housing configured to define a testing chamber; a device holder positioned on the housing and configured to hold and support at least one device under test; a platen positioned on the housing and configured to retain at least one probe; a card holder positioned on the platen and configured to hold a probe card including the probe; and at least one flow line positioned in the card holder. The flow line is configured to flow a fluid therein to adjust the temperature of the device under test.

Abstract: A method is disclosed for locating an earth fault in a DC network, to which multiple load zones are connectable. Each load zone has two symmetrically earthed load zone lines. In an embodiment of the method, for each load zone line, a line voltage is continuously measured between a line potential, at which the load zone line lies, and an earth potential. In the event that an earth fault is detected at a main line of the DC network, the main lines are separated from both load zone lines of a load zone and the earth fault is assigned to this load zone, if a magnitude difference between the magnitudes of the line voltages of the two load zone lines of this load zone are not significantly reduced after separating the main lines from the load zone lines.

Abstract: A device comprises at least one pair of excitation electrodes forming a capacitor; a floorplan (e.g., a ground plane); and an electronic circuit. The device comprises at least one control electrode arranged at a distance from the capacitor. A switching circuit, of the device, comprises a switch having an open state and a closed state. The switching circuit is designed to apply, to the control electrode, an electric potential common to the floorplan when the switch is in the closed state. The switching circuit is also designed to leave a floating electrical potential for the control electrode when the switch is in the open state. The electronic circuit is designed to measure the mutual capacitance between the pair of excitation electrodes when the switch is in the open state and when it is in the closed state.

Abstract: In a method for operating an absolute measuring position detection system having a sensor arrangement (100) and a single-track magnetic code object (105) with non-repeating code regions, wherein the sensor arrangement (100) is formed by a substantially linear arrangement of a plurality of magnetic field sensors (110), it is provided in particular that the relative position of the sensor arrangement (100) with respect to the respective code object (105) is determined by searching for a partial pattern which is most similar to a currently sensor-detected partial pattern on the basis of available reference data containing magnetic curve progressions or magnetic patterns of magnetic field vector components detected by sensors for the entire code object (105) depending on the position on the code object (105).

Abstract: A magnetic field structure is provided and includes: two magnetic poles disposed in a magnetic circuit path and opposite to one another to form a space therebetween for receiving an element to be tested; a magnetic field source for providing a magnetic field in the space; and an optical positioning element disposed in one of the two magnetic poles for optically positioning the element to be tested. Therefore, the magnetic field structure can simultaneously provide a strong magnetic field and a precise positioning function.

Abstract: A new load-pull tuner system using two-probe waveguide slide screw tuners of which the probes share the same waveguide section; they are inserted diametrically at fixed depth facing each other into slots on opposite broad walls of the waveguide. An adjustable broadband attenuator made using a resistive septum is inserted between the test port and the tuning probes. The tuner does not have cumbersome adjustable vertical axes controlling the penetration of the probes and its low profile is optimized for on-wafer operations. The carriages holding the probes are moved along the waveguide using electric stepper motors or linear actuators.

Abstract: A device and a method for gas-water-sand separation and measurement during a simulated exploitation of natural gas hydrates are disclosed. The device includes a natural gas hydrate formation and dissociation system and a filtering unit. The natural gas hydrate formation and dissociation system includes a compressed air pump, a reactor, and a water-bath temperature regulating unit. The filtering unit includes a kettle body, wherein an inlet end of the kettle body is connected to the sand-control liner zone, an outlet end of the kettle body is connected to a water-collecting container, and a plurality of filtering layers are disposed inside the kettle body from the inlet end to the outlet end. The method is conducted using the device. The device and the method realize the gas-water-sand separation and measurement of produced gas-water-sand mixture during a simulative exploitation process, allowing for a direct inspection on a sand production and sand control.

Abstract: In a method for calibrating at least one sensor, wherein the sensor includes at least one piezoelectric element with at least one electrode, and wherein at least one electrode is embodied as a measurement electrode, it is provided as essential to the invention that an electrical excitation voltage is applied to at least one further electrode of the piezoelectric element, embodied as a calibration electrode, to create a mechanical deformation of the piezoelectric element, that the voltage induced by the deformation of the piezoelectric element is captured with at least one measurement electrode, and that the applied excitation voltage and captured voltage are compared.

Abstract: A hospital bed is configured to monitor data from a second patient support based on the one or more alarms set by the user. The hospital bed detects whether an alarm triggering event occurred based on the monitored data. In response to a determination that the alarm triggering event occurred, the hospital bed will provide a signal indicative of the alarm triggering event to a nurse call system.

Abstract: In accordance with at least one aspect of this disclosure, a controller for an aircraft electrical system includes, a software safe module. In embodiments, the software safe module can be configured to determine whether there was a sudden power failure upon controller initialization, and cause operation of the controller in a software safe mode if there was a sudden power failure such that manual intervention is required to leave the software safe mode to prevent repetitive power failure of the controller.

Abstract: A system for watering an electrolyte or lead acid battery in which the cumulative amount of water added during each filling event is determined by detecting the amount of water passing from a supply hose to the battery. A fluid dispensing member, such as a direct fill link or nozzle, can be attached to and detached from a single point watering subsystem. A flow detector, such as a flow meter, in fluid communication with the fluid dispensing member can wirelessly output the cumulative water added to specific batteries to an interactive computer application, which can include a wireless component such as a smartphone or tablet communicating with a remotely located interactive database.

Abstract: A rotary encoder (1) is provided, including a shaft (W) connected to and drivable by an external shaft, a first gear unit (G1) and a second gear unit (G2), each following rotations of the shaft (W). Both gear units (G1, G2) (G1 and G2) are drivable independently of one another by the shaft (W), a first gear stage (G1S1) of the first gear unit (G1) has a first detection unit (E1), and a gear stage (G2S2) downstream of a first gear stage (G2S1) of the second gear unit (G2) has a second detection unit (E2). An evaluation unit derives the angular position from signals of the detection units (E1, E2) and compares the rotations of the first gear stage (G1S1) and the downstream gear stage (G2S2) for plausibility, taking into account a known ratio of the rotation of the first gear stage (G1S1) to the rotation of the downstream gear stage (G2S2).

Abstract: Embodiments of the present disclosure relate to solutions for introducing personalization data in nonvolatile memories of a plurality of integrated circuits, comprising writing in the nonvolatile memory of a given integrated circuit a static data image, corresponding to an invariant part of nonvolatile memory common to the plurality of integrated circuits, and a personalization data image representing data specific to the given integrated circuit.

Abstract: Systems and methods performed by a fault detection apparatus for fault detection and localization in distribution feeders having branches and nodes. The method including receive feeder raw data in a feeder of a power system. Process the feeder raw data with given operational electrical characteristics of the feeder to generate a branch attribute dataset for each branch separated by a pair of nodes for all branches. Generate a node attribute dataset for each node for all the nodes in the feeder. Input the branch and node attribute datasets into a trained neural network to determine whether a branch has a fault and a fault location within the branch, to output a classification of the fault and the fault location. Generate an alert signal based upon determining the classified fault and fault location in response to the alert signal to an outage response system.

Abstract: A method of analyzing the quality of a battery cell includes performing a high-throughput quality check on the battery cell with a quality control system, assessing a quality score to the battery cell, with quality score identifying the battery cell as low-quality or high-quality, and performing a comprehensive quality check on the battery cell if identified as low-quality. The method further includes assessing an enhanced quality score to the battery cell superseding the quality score of the quality control system identifying the battery cell as confirmed low-quality or confirmed high-quality and providing revised production instructions for manufacturing successive battery cells if confirmed low-quality.

Abstract: An apparatus monitoring system stability of a DC power system includes a switching power converter with a control loop. The converter is connected to a DC bus of the system. A monitoring loop injected into the control loop includes a sensor circuit monitoring voltage and current of the DC bus and a small signal injector producing a periodic signal with variable amplitude and frequency and injects the periodic signal on a reference signal of the control loop. The monitoring loop includes a stability measurement circuit that varies a frequency input to the small signal injector until the periodic signal has a frequency equal to a system minor loop gain crossover frequency of an impedance ratio of a converter closed loop output impedance and an impedance of the DC power system. The monitoring loop includes a measurement output circuit that outputs a DC power system stability margin at the crossover frequency.

Abstract: The disclosure provides a deep parallel fault diagnosis method and system for dissolved gas in transformer oil, which relate to the field of power transformer fault diagnosis. The deep parallel fault diagnosis method includes: collecting monitoring information of dissolved gas in each transformer substation and performing a normalizing processing on the data; using the dissolved gas in the oil to build feature parameters as the input of the LSTM diagnosis model, and performing image processing on the data as the input of the CNN diagnosis model; building the LSTM diagnosis model and the CNN diagnosis model, respectively, and using the data set to train and verify the diagnosis models according to the proportion; and using the DS evidence theory calculation to perform a deep parallel fusion of the outputs of the softmax layers of the two deep learning models.

Abstract: Embodiments of the present disclosure provide methods, systems, apparatus, and computer program products are for detecting whether a suspect component such as an integrated circuit (IC) or a system-on-chip (SoC) is recycled. Specifically, various embodiments involve processing power supply rejection ratio (PSRR) data obtained from a low drop-out regulator (LDO) used for the suspect component using a recycle detection machine learning model to generate a recycle prediction. In particular embodiments, the recycle detection machine learning model is developed based at least in part on degradation of PSRRs of LDOs. Accordingly, a determination is made as to whether the suspect component is recycled based on the recycle prediction. If so, then an indication that the suspect component is recycled is provided.