Abstract: A method may include selecting, based on a condition of an electromagnetic load, a selected measurement technique from a plurality of impedance measurement techniques for measuring an impedance of the electromagnetic load and performing the selected measurement technique to generate an estimate of the impedance of the electromagnetic load.

Abstract: Embodiments of a portable verification system can move from one commercial building or residential home gas flow meter location to another and temporarily connect to the building's or home's natural gas piping. The portable verification system may be connected to the gas flow meter by a flexible hose having a lap joint flange at one end. Adaptor fittings can be used to provide additional versatility. When in an intended use, natural gas flows into the reference meter and then into the gas flow meter connected to the commercial building or residential home. Downtime is limited to the time required to complete a circuit between the gas flow meter and the portable verification system.

Abstract: A method of predicting a maximum discharge current for a battery cell includes: receiving a discharge time and a discharge limitation voltage; setting a discharge reference voltage; obtaining a proportional constant and an index parameter corresponding to the discharge reference voltage, wherein the proportional constant and the index parameter are applied to a relation between a constant current and a discharge time during a discharge; calculating a constant current for the discharge time by using the proportional constant and the index parameter; and adjusting the discharge reference voltage when a difference between a temporary discharge limitation voltage at which a voltage due to the constant current and an internal resistance of the battery cell is dropped from the discharge reference voltage and the discharge limitation voltage deviates from a predetermined error.

Abstract: A wheel bearing includes a rotary element mounted on the wheel and configured to rotate together with the wheel; a non-rotary element fixedly mounted on the vehicle body; one or more rolling bodies provided between the rotary element and the non-rotary element; a sensor target mounted on the rotary element and configured to rotate together with the rotary element; and a wheel speed sensor disposed adjacent to the sensor target to sense a rotational speed of the rotary element. The wheel speed sensor may include a first sensing part and a second sensing part configured to sense a change in magnetic field caused by the rotation of the sensor target, and the second sensing part may be disposed to be spaced apart from the first sensing part in longitudinal and widthwise directions of the wheel speed sensor.

Abstract: The present disclosure provides systems and methods for removing electromagnetic interference from low-field magnetic resonance images. In one aspect, a method can include projecting a low-field strength magnetic field toward an object of interest located within a field of view and transmitting a radio frequency pulse sequence to a radio frequency coil assembly configured to selectively excite magnetization in the object of interest within the field of view. The method can further include receiving an output signal from the radio frequency coil assembly during a signal acquisition period and receiving a sample signal from the radio frequency coil assembly during an interference period. The method can further include comparing the output signal and the sample signal to identify an interference component and adjusting the output signal based on the interference component.

Abstract: Discussed is a contactor management method and a battery system to perform the method, wherein the battery system includes a contactor connected between a battery pack and an external device; a voltage measurer to measure a first operation voltage supplied to the contactor; and a controller to determine opening or closing of the contactor based on the first operation voltage measured from the voltage measurer, wherein the controller determines the contactor as open in an opened state when the first operation voltage is not supplied to the contactor, determines the contactor as closed in a closed state when the first operation voltage is supplied to the contactor, and counts each openings and closings of the contactor and determines a replacement time of the contactor based on a sum value of the counts exceeding a predetermined reference value.

Abstract: A weather drone comprising: a first sensor configured to repeatedly measure one or more parameters indicative of weather; a memory coupled to the first sensor and configured to store data recorded by the first sensor, the data comprising a series of repeatedly measured parameters; and a processor coupled to the first sensor and the memory. The processor is configured to analyse the data as it is being recorded by the first sensor, and determine if the data exceeds a first threshold value and/or falls below a second threshold value. If the processor determines that the data exceeds the first threshold value and/or falls below the second threshold value on at least one occasion, the processor is configured to prevent the storage of further data from the first sensor in the memory.

Abstract: A specimen pretreatment method for transferring a specimen supported by a first specimen supporting tool to a second specimen supporting tool, the specimen pretreatment method including: transferring a specimen supported by the first specimen supporting tool to a film; immersing the film and the specimen on the film in a liquid to dissolve the film; and recovering the specimen from the liquid and supporting the specimen with the second specimen supporting tool.

Abstract: A coil decoupling method for a magnetic resonance imaging device, including: sending an instruction causing a transmitter to send a transmitted signal, acquiring a received signal received by a receiver, wherein the received signal is a signal arriving at the receiver after the transmitted signal passes through two coils to be adjusted of a plurality of coils, determining the coupling value between the two coils to be adjusted based on the transmitted signal and the received signal, and sending an instruction for adjusting a decoupling component based on the coupling value.

Abstract: A device includes a substrate and at least one electrically conducting portion supported by the substrate, the at least one electrically conducting portion including a signal line and a ground plane electrically isolated from the signal line. The electrically conducting portion includes a layer of a first electrically conducting material and a layer of a metal oxide material including anodic aluminum oxide (AAO) and one or more nanowires (NW) of a second electrically conducting material each formed within a corresponding pore extending through the AAO from a first side of the layer to a second side of the layer of the metal oxide material opposite the first side.

Abstract: Systems and methods for monitoring and detecting partial or full mechanical failures of a spring contact configured to provide an electrical connection between two elements. In some examples, a spring contact may be arranged between a first element, such as a window or cover of an operational sensor, and a second element, such as a printed circuit board. The window or cover may have an electrical element with a first electrical contact, and the printed circuit board may be attached to the spring contact via a joint (e.g., solder, weld, adhesive). A processing system may be configured to determine a state of the joint based on vibrations sensed by one or more vibration sensors attached to the second element.

Abstract: Techniques are provided for controlling a ramping process of a superconducting magnet of a magnetic resonance imaging device comprising the steps of: acquiring an information indicating a status of a cryocooler configured for cooling of the superconducting magnet via an interface, acquiring an information on a parameter of the superconducting magnet via an interface, determining an operational status of the magnetic resonance imaging device in dependence of the information indicating the status of the cryocooler and/or the information on the parameter of the superconducting magnet via a processing unit and providing a control signal via a control unit, wherein the control signal is configured to control the ramping process of the superconducting magnet. The disclosure also relates to a magnetic resonance imaging system comprising a control unit configured to provide a control signal for controlling the ramping process of the superconducting magnet.

Abstract: The present disclosure is directed to a device with enhanced human activity recognition. The device detects a human activity using one more motion sensors, and enhances the detected human activity depending on whether the device is in an indoor environment or an outdoor environment. The device utilizes one or more electrostatic charge sensors to determine whether the device is in an indoor environment or an outdoor environment.

Abstract: A gradient system for a magnetic resonance device, configured to, when arranged in use in the magnetic resonance device, generate a variable magnetic gradient field in a scanning region of the magnetic resonance device. The gradient system includes a first magnetic assembly configured to generate a first magnetic gradient field contribution to the magnetic gradient field. The first magnetic assembly includes one or more components configured to, in use, act as respective non-electric magnets to generate the first magnetic gradient field contribution. A positioning unit is configured to adjust a position and/or orientation, relative to the magnetic resonance device, of the first magnetic assembly and/or of one or more of the components of the first magnetic assembly to adjust the first magnetic gradient field contribution and thereby to vary the magnetic gradient field.

Abstract: The invention relates to a sensor device (100), in particular for a vehicle, comprising: a capacitive sensor unit (10) and a coil unit (20) which surrounds the capacitive sensor unit (10) at least partially, preferably geometrically. For this purpose, it is provided according to the invention that the capacitive sensor unit (10) has at least one first, in particular linear, sensor element (11), which is aligned essentially along a first geodesic (G1) of the coil unit (20).

Abstract: A processor may receive weather event data. The processor may determine, utilizing an artificial intelligence model mapping weather events having weather impacts with a higher likelihood of occurrence proximate to each other in the latent space, a weather impact associated with a weather event. In some embodiments, the artificial intelligence model may be trained using historical weather event data and historical weather impact data associated with the historical weather event data. The processor may output the weather impact associated with the weather event to a user.

Abstract: A test device includes a power source having a first connection point and a second connection point, a first voltmeter having a first input and a second input, a second voltmeter having a first input and a second input, a first port, a second port, a third port, and a user interface. The first port is coupled to the first connection point of the power source and to the first input of the first voltmeter, the second port is coupled to the second input of the first voltmeter, the first input of the second voltmeter, and the second connection point of the power source, and the third port is coupled to the second input of the second voltmeter. The user interface is configured to show a first voltage between the first port and the second port and a second voltage between the third port and the second port.

Abstract: A sensor device for detecting at least one physical variable, comprising a housing, at least one sensor element arranged in the housing, at least one circuit board arranged in the housing and comprising a circuit arrangement, and at least one input device arranged on the housing for carrying out input operations which are processed in the circuit arrangement to influence the sensor properties, is characterised in that the input device, to realise a touch-sensitive effect, comprises an actuation area, which is arranged on a housing wall and is permeable to electric fields, and a capacitive area, which is arranged on the circuit board or is formed as part of the circuit board, and in that the circuit board is arranged in the housing such that the capacitive area lies directly below the actuation area.

Abstract: In an embodiment, an apparatus is disclosed that includes a first battery management circuit. The first battery management circuit is configured to measure a voltage of a first battery cell of a battery pack and to generate a first voltage measurement based at least in part on the measured voltage of the first battery cell. The first battery management circuit is configured to receive a bit of a first response from a second battery management circuit. The bit of the first response is generated by the second battery management circuit based at least in part on a measured voltage of a second battery cell of the battery pack. The first battery management circuit is configured to sum the bit of the first response with a corresponding bit of the first voltage measurement and to provide the summed bit to a third battery management circuit as part of a second response.

Abstract: An automatic recognition method for a dry quasi-stationary front in Kunming, Yunnan, China is provided. The automatic recognition method includes: reading data; calculating, by a differential method, a temperature lapse rate between each layer of each point from a ground surface to 650 hPa, and acquiring a maximum inversion trend value; acquiring an initially selected inversion distribution based on the maximum inversion trend value; removing a nighttime clear sky radiation inversion, retaining only a frontal inversion, and binarizing (0, 1); finding a boundary between inversion and non-inversion; removing the abnormal candidate frontal points, and acquiring frontal nodes; removing meso- and micro-scale systems; and performing one-dimensional Gaussian filtering on longitude data of the frontal nodes, and connecting the filtered frontal nodes to acquire a quasi-stationary front in Kunming, Yunnan, China.