Abstract: An apparatus for testing a device under test (DUT) is provided. The apparatus includes a power supply device and a data generating device. The power supply device is configured to provide a first voltage and a second voltage to the DUT. The data generating device is configured to provide first data to the DUT. The power supply device is configured to provide the first voltage to the DUT in a first time duration. The data generating device is configured to provide the first data to the DUT in the first time duration. The power supply device is configured to provide the second voltage to the DUT in a second time duration after the first time duration. The second voltage is different from the first voltage.

Abstract: There is provided a detection signal processing circuit and a detection signal processing method for an eddy current sensor that are less easily influenced by a change in ambient environment than conventional technologies. A detection signal processing apparatus includes a converter configured to convert a first analog signal output by a detection coil into a first digital signal, a converter configured to convert a second analog signal output by a dummy coil into a second digital signal, and a detector which is a digital signal processing circuit configured to detect the first digital signal and the second digital signal.

Abstract: Arc fault detection modules for vehicles intended to supervise circuits and detect arc fault conditions in both alternating current and direct current circuits. A number of these arc fault detection modules may be integrated into a vehicle's electrical system in strategic locations. Each arc fault module contains sensing capabilities for monitoring the circuit, and may also include signal conditioning capabilities, processing capabilities for determining the occurrence of an arc fault, contactors for disabling the supervised circuit, and communications capabilities to interact with other vehicle components and telematics systems. As a result arc fault detection odules can be customized to leverage existing features of a vehicle's electrical system or to provide fully redundant arc fault protection.

Abstract: Magnetic angular sensor element destined to sense an external magnetic field, including a magnetic tunnel junction containing a ferromagnetic pinned layer having a pinned magnetization, a ferromagnetic sensing layer, and a tunnel magnetoresistance barrier layer; the ferromagnetic sensing layer including a first sensing layer being in direct contact with the barrier layer and having a first sensing magnetization, a second sensing layer having a second sense magnetization, and a metallic spacer between the first sensing layer and the second sensing layer; wherein the metallic spacer is configured to provide an antiferromagnetic coupling between the first sensing magnetization and the second sensing magnetization such that the first sensing magnetization is oriented substantially antiparallel to the second sensing magnetization; the second sensing magnetization being larger than the first sensing magnetization, such that the second sensing magnetization is oriented in accordance with the direction of the externa

Abstract: A method for calibrating an electromagnetic measurement tool includes deploying a test loop about a first antenna in the electromagnetic measurement tool and electromagnetically coupling the test loop and the first antenna and measuring a first voltage. The test loop is then deploying about a second antenna in the electromagnetic measurement tool and electromagnetic ally coupling the test loop and the second antenna and measuring a second voltage. A ratio of the first voltage to the second voltages is computed that can be used to calibrate the first antenna with respect to the second antenna.

Abstract: An information processing apparatus capable of preventing erroneous connection at a time of connection using cables without deteriorating versatility. The information processing apparatus is communicable with an external device via two cables. A first connector is connected to one of the two cables and has terminals, which include a first terminal that is arranged at a first position and receives a predetermined signal output according to start-up of the external device. A second connector of a same shape as the first connector is connected to another of the two cables and that has terminals, which are identical to the terminals of the first connector in number and arrangement and include a second terminal that is not used to output a signal and is arranged at a position corresponding to the first terminal. A controller notifies of an error through a notification device when the second terminal receives the predetermined signal.

Abstract: A method is described for estimating, by measurements taken by an inductive sensor, the time for which an endothermic motor of a tool has operated at predetermined rotating speeds, and an apparatus implementing the method also described. The method in particular includes cyclically measuring, at a pre-set sampling period, an overall time interval by starting at the beginning of the measuring of the overall time interval when a first variation peak of the electromagnetic field is sensed and terminating the measuring of the overall time interval when a last variation peak of the electromagnetic field is sensed. The first and the last peaks are the start and tail ends of a sequence of peaks having a predetermined number of successive peaks, the number of peaks being positive, whole, at least equal to six and a least common multiple of two and three.

Abstract: An electric apparatus is provided that includes a fiber optic system and an electric conductor. The fiber optic system includes an inner cladding, an outer cladding and a fiber optic core between the inner cladding and the outer cladding. The electric conductor extends longitudinally along a centerline within the fiber optic system. The centerline may be a centerline of any one or more or all of the fiber optic system, the inner cladding, the outer cladding, the fiber optic core and/or the electric conductor.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: State of the art milk quality estimation techniques fail to determine quality of the milk non-invasively. This disclosure relates generally to a system and method for non-invasive estimation of milk quality within targeted packaging. A voltage signal is applied at a first capacitor plate amongst a plurality of capacitor plates placed on either side of a targeted packaging containing milk, wherein the targeted packaging is placed inside an electrode receptacle. The resulting voltage signal is measured at a second capacitor plate of the plurality of capacitor plates. A capacitance value is calculated from the measured voltage signal and a value of pH corresponding to the calculated capacitance value is then determined using a regression-based model. A correlation of the determined value of pH with one or more pre-defined quality indices is performed and the quality of milk within the targeted packaging estimated based on the correlation.

Abstract: A magnetic sensor device includes a first detection circuit, a second detection circuit, and a processor. The processor is configured to execute first generation processing for generating a first initial detection value, second generation processing for generating a second initial detection value, first correction processing, second correction processing, and determination processing. The first correction processing is processing for correcting the first initial detection value and updating the first initial detection value. The second correction processing is processing for correcting the second initial detection value and updating the second initial detection value. The processor executes the determination processing after alternately executing the first correction processing and the second correction processing.

Abstract: A near-field testing apparatus for testing a device under test having an array of transmitter antennas is provided. The near-field testing apparatus includes a frame structure and a receiver circuit. The frame structure defines an array of grid sections, and is arranged for receiving the array of transmitter antennas at a first side of the array of grid sections. A periphery of each grid section at the first side surrounds a plurality of transmitter antennas in the array of transmitter antennas. The grid section is arranged to guide respective electromagnetic signals emitted by the transmitter antennas from the first side to a second side of the array of grid sections. The receiver circuit, disposed at the second side of the array of grid sections, is arranged to couple the electromagnetic signals out of the grid section.

Abstract: The invention enables an optical voltage sensor, comprising a piezoelectric actuator mechanically coupled to an optical strain sensor (such as a fibre Bragg grating), to withstand lightning impulses, the effects of which would otherwise be harmful or destructive to the piezoelectric actuator and/or other sensitive components. As such, the optical voltage sensor, comprised within a photonic voltage transducer which also comprises a lightning impulse attenuator, is able to comply with relevant standards and be used for applications in power networks and exposed to the highest voltages for equipment.

Abstract: The present disclosure discloses a single-phase fault arc detector. A fault arc signal processing circuit performs processing to obtain a voltage square wave signal, a voltage sine wave signal, a current sine wave signal, a current square wave signal, a current square shoulder pulse signal, and a current high-frequency pulse signal, and a processor accurately determines, on the basis of the plurality of obtained current signals and voltage signals and in combination with a preset operation rule, whether there is a single-phase fault arc in a power utilization line. Correlated characteristics of square shoulder parts may be accurately recognized by accurately extracting the current square shoulder pulse signal from current sampling signals; then, characteristics such as the number and durations of the square shoulder parts as well as current values may be comprehensively recognized on the basis of the current square shoulder pulse signal and the current high-frequency pulse signal.

Abstract: A measurement device includes an electric field generator, an electric field detector, a thickness gauge, and a processor. The electric field generator generates an alternating current electric field. The electric field detector detects the alternating current electric field generated by the electric field generator. The thickness gauge measures a thickness of a measurement target in a non-contact manner. The processor derives a calibration curve representing a relationship between a specific dielectric constant and an intensity of an alternating current electric field. The measurement target is insertable between the electric field generator and the electric field detector. The electric field detector detects an intensity of the alternating current electric field attenuated by the measurement target.

Abstract: A semiconductor device includes: a semiconductor element having an element main surface and first and second electrodes arranged on the element main surface; a first lead mounting the semiconductor element thereon; a second lead electrically connected to the first electrode; a third lead electrically connected to the second electrode; first connecting portions bonded to the first electrode and the second lead; and a sealing resin covering the semiconductor element, wherein the sealing resin includes a resin main surface facing the same side as the element main surface and a resin side surface connected to the resin main surface, the second lead includes a portion exposed from the sealing resin, the third lead includes a portion exposed from the sealing resin, and the exposed portion of the second lead includes a portion located on a side of the resin main surface with respect to the exposed portion of the third lead.

Abstract: Apparatus and methods for detecting flaws in objects comprised of ferromagnetic materials are disclosed. A wireless energizing unit is disclosed that includes an array of permanent magnets is used to induce a magnetic field into the objects and transducers are configured to detect a magnetic flux property in the presence of a flaw in the object. Embodiments that are configured to be clamped over the object are also disclosed. In addition, methods for retrofitting EMI detection systems with a wireless energizing unit are disclosed.

Abstract: Bearing impedance in a rotary electric machine may be estimated by isolating bearings from a frame with a dielectric pad, determining a pad capacitance, supporting the rotor by an inner race of the bearing, operating the rotary electric machine, measuring bearing inner race and outer race voltages, measuring current bypassing the dielectric pad, and estimating bearing capacitance and resistance based upon the pad capacitance, the measured and the measured current.

Abstract: A method is provided for generating a multi-carrier reflectometry signal intended to be injected into a transmission line in order to identify a presence of at least one possible fault on the transmission line. The method includes: generating, in the frequency domain, a phase-modulated multi-carrier digital signal by: generating a digital signal, phase-modulating the digital signal based on a constellation of symbols, rounding the obtained phase to the phase of the symbol of the constellation that is closest, and converting the generated signal into the time domain.

Abstract: Disclosed is a multi-dimensional analysis method for a tripping risk of a whole transmission line due to a lightning shielding failure. A quantity of thunderstorm days, a tower size, a terrain proportion, an altitude, and insulation configuration data are collected for a transmission line for which a tripping risk due to a lightning shielding failure needs to be analyzed, and a striking distance, an exposure distance, a lightning resisting level of the line after altitude factor correction, and a lightning shielding failure risk of a single-base tower are calculated in turn. Characteristics of a lightning shielding failure under different nominal heights, quantities of thunderstorm days, and terrains are studied. Representative combination conditions are selected to calculate a tripping risk of a typical tower due to the lightning shielding failure. A weight coefficient is extracted, to calculate a tripping risk of the whole line due to the lightning shielding failure.