Abstract: In one example in accordance with the present disclosure, a three-dimensional (3D) printed sensor system is described. The 3D printed sensor system includes a 3D printed object. The 3D printed sensor system also includes a 3D printed sensor on a body of the 3D printed object. The 3D printed sensor includes a dielectric region disposed between electrodes. A capacitance of the dielectric region is indicative of an environmental condition of the 3D printed object. The 3D printed sensor system also includes a controller integrated with the body of the 3D printed object. The controller is to measure a capacitance of the 3D printed sensor.

Abstract: An optical fiber current sensing controller module, where an optical transmitter is energized from a DC source and emits an optical field of calibrated intensity and wavelength to a linear polarizer which generates a reference signal which is then launched in alignment with the transmission axes of a polarization maintaining optical fiber link to a remote and passive fiber optic current sensor (FOCS), where the linearly polarized optical pulse traverses a complete circular path around an energized conductor and is subject to polarization plane rotation in proportion to the magnetic flux density with the integration equal to electric current magnitude according to Ampere's law, and the rotated polarized optical pulse is transmitted back to the optical fiber current sensing controller module via a return fiber optic cable, where the Stokes vector polarization parameters for the returned optical signal are calculated by splitting the elliptically polarized field into four components, passing these components thr

Abstract: The magnetic particle imaging apparatus includes: a retaining unit configured to retain an inspection target; a static magnetic field generator configured to generate a linear magnetic field-free region that passes through the inspection target retained by the retaining unit; an AC magnetic field application coil configured to apply an AC magnetic field to the magnetic field-free region; and a detection coil configured to detect a magnetic variation of magnetic particles in the magnetic field-free region as a signal. The retaining unit, the AC magnetic field application coil and the detection coil are movable relative to the static magnetic field generator in the third direction as an integral structure.

Abstract: A power supply monitoring device is applied to a power supply system. The system includes a first system having a first load and a second system having a second load. The first and second systems are connectable by an inter-system switch. The second system is connected with a power supply unit. In the first system, loads are connected in parallel as the first load, and fuses are provided to energization paths connected to the loads. The device includes a monitoring unit monitoring voltage reduction in the first system when the first and second loads are driven in a state in which the inter-system switch is closed, and a switch operation unit allowing the inter-system switch to conduct electricity in a state in which a conduction current in the inter-system switch is limited during a time period from voltage reduction, if the monitoring unit determines that the voltage reduction has occurred.

Abstract: This disclosure relates to methods for identifying an onset of a scale formation. This disclosure also relates to methods of identifying a scale type in a hydrocarbon containing formation. This disclosure also relates to determining an amount of a scale formation in a hydrocarbon containing formation.

Abstract: The invention provides a sensor system and methods for detecting the presence of water in an insulating material surrounding plant equipment and/or pipe work. The sensor system comprises a plurality of sensors located in and spatially distributed over the insulating material, each sensor being operable to provide a sensor output indicative of the presence of water in an insulating material. The system also comprises at least one reference sensor operable to provide a reference sensor output indicative of the presence of water in an ambient environment in the vicinity of the plurality of sensors. In addition, the system comprises a processor configured to receive the sensor outputs from the plurality of sensors and the reference sensor output. The processor is configured to correlate the sensor outputs from the plurality of sensors and the reference sensor output to provide a correlation data output for use in evaluating a corrosion condition.

Abstract: A system and a method for determining a zeta potential of a core plug. The system has a first fluid and a second fluid that is less conductive than and immiscible with the first fluid. A core holder holds the core plug. An upstream reservoir, an upstream trap, and an upstream external electrode cell are fluidly coupled to each other and one end of the core holder. A downstream reservoir, a downstream trap, and a downstream external electrode are fluidly coupled to each other and another end of the core holder. A controller determines the zeta potential of the core plug based on the core plug differential pressure and voltage. Each of the upstream reservoir, the downstream reservoir, the upstream trap, and the downstream trap contain some of the second fluid. The first fluid fills the core holder and separates the second fluid from the core holder.

Abstract: One or more examples relate to an apparatus to amplify differential voltage signal components of voltage across a resistor. Such an apparatus may include a resistor; a differential amplification circuit operatively coupled with the resistor to amplify a differential voltage signal component of a voltage across the resistor; and an operative coupling between the resistor and the differential amplification circuit to pass the differential voltage signal component and isolate a common mode voltage signal component of the voltage across the resistor.

Abstract: A current sensor includes a busbar, a first magnetic sensor, and a first coil, and where a longitudinal direction of the busbar is defined as an X axis direction, and a width direction of the busbar is defined as a Y axis direction, the first magnetic sensor measures a magnetic field in the Y axis direction, the first coil is arranged such that an axis of the first coil is parallel to the Y axis direction, and the first magnetic sensor is arranged inside the first coil.

Abstract: In an aspect, an electronic device can include a first sensor adjacent to a first portion of a peripheral edge of a die, a first access transistor electrically coupled to the first sensor, a second sensor adjacent to a second portion of the peripheral edge, and a second access transistor electrically coupled to the second sensor. In another aspect, an electronic device can include an edge guard ring and a sensor electrically insulated from the edge guard ring. The edge guard ring can include a interconnect. At least a portion of the first sensor overlaps or underlaps a portion of the first interconnect. Testing can be performed by comparing the electrical parameters of two or more sensors or by comparing the electrical parameters of one sensor versus a reference value. Testing can be performed at nearly any time, including after the electronic device is installed in a system.

Abstract: Discussed is a welding inspection apparatus for battery modules capable of applying an alternating current to a bank constituted by two or more battery cells connected in parallel and a battery module constituted by one or more banks connected in series to calculate an impedance and a resistance value of each of the one or more banks, and a method of inspecting welding of the battery module using the welding inspection apparatus.

Abstract: Systems, circuits, and methods provide core-based closed-loop current sensors utilizing a coil connected to an IC having a magnetic field sensor configured to measure current in one or more conductors such as busbars. A closed-loop current sensor includes a magnetic core having first and second ends separated by a gap and an aperture receiving the one or more conductors; a magnetic field sensor disposed on a substrate and integrated in an IC is disposed in the gap, where the magnetic field sensor is configured to receive magnetic flux from the gap, where the IC is configured to measure AC current in the one or more conductors; and a coil integrated with the substrate and coupled to the IC, wherein the coil is configured to provide negative magnetic feedback for closed-loop compensation.

Abstract: A system for introduction of digital integrity self-sensing of corrosion-protective coatings to remotely detect, locate and monitor coating barrier failure in real time to identify corrosion prone hotspots before corrosion damage of protected substrate materials occurs.

Abstract: The present invention provides a rig (100a) for comparing wire harnesses (300a or 300b). The rig (100a) includes a workbench (110), two or more terminals (120a, 120b), an electrical supply (140), a supply device (145), one or more control units (150a, 150b) and a workstation (160). The control unit (150a) is connected to the respective terminal (120a) for sensinge electrical parameters at the respective terminal (120a). The workstation (160) is connected to the control units (150a, 150b) through a wireless connection. The workstation (160) is having a memory unit (168) and a processor (166). The processor (166) compares the sensed signals from the control units (150a, 150b) with the prestored details of the first wire harness (300a). The processor (166) provides comparison details of a first wire harness (300a) and a second wire wire harness (300b) through a display (170). The rig (100a) is easy to operate.

Abstract: A circuit includes an anisotropic magnetoresistance (AMR) sensor; an operational amplifier; and a calibration circuit. The AMR sensor has a first terminal, a second terminal, a third terminal, and a fourth terminal. The operational amplifier has a first terminal, a second terminal, a third terminal, and a fourth terminal. The first terminal of the operational amplifier is coupled to the second terminal of the AMR sensor. The second terminal of the operational amplifier is coupled to the third terminal of the AMR sensor. The calibration circuit is coupled to the first terminal of the operational amplifier. The calibration circuit is configured to provide an adjustable offset trim voltage at the first terminal of the operational amplifier to cancel out an offset voltage generated by the AMR sensor.

Abstract: A magnetic sensor includes at least one MR element and a coil. The coil includes at least one conductor portion. The at least one conductor portion is each located at a position such that a partial magnetic field generated by the conductor portion is applied to one of the at least one MR element, the one corresponding to the conductor portion, and extends along an imaginary curve curving to protrude in a direction away from the corresponding MR element.

Abstract: Discussed is a pin push inspection connector that can include a first connector assembly having a front portion adapted to connect to a connector under test in a first direction and to be fixedly coupled to the connector under test; and a second connector assembly having a front portion connected to a rear portion of the first connector assembly in the first direction and provided so that a connection interval with respect to the first connector assembly is variably adjusted in the first direction or a second direction that is opposite to the first direction. The second connector assembly can include at least one inspection pin provided therein to be connected to at least one terminal pin provided in the connector under test.

Abstract: A system and method for measuring mutual inductance between adjacent first communication transmission line and second communication transmission line is disclosed. The system includes a mutual inductance measurement circuit that includes a coupling generator which biases the first communication transmission line with a current ramp signal; a sample and hold circuit which captures an induced voltage on the second communication transmission line using a switched capacitor storage element; a switched capacitor integrator configured to integrate the induced voltage onto an output voltage node; and a comparator configured to switch states once the switched capacitor integration has surpassed a reference trippoint.

Abstract: The present disclosure relates to a battery for testing a short circuit, a manufacturing method therefor, and a battery safety analysis method, which manufacture a battery for testing a short circuit, capable of easily switching to an internal short circuit state, and which analyze battery safety by using the battery.

Abstract: A current sampling circuit is provided. The current sampling circuit includes a sampling unit provided with multiple sampling input terminals, a sampling reference terminal and at least one sampling output terminal. With a symmetric winding arrangement and a phase-offset configuration of control signals of the device, coupling voltage components sent to the current sampling circuit is self-counteracted. An amplification unit is further included in the current sampling circuit. Output signals of the current sampling circuit are calibrated by a calibration unit and compensated for temperature influences by a temperature compensation unit.