Abstract: A portable electric vehicle charger with adjustable current provides a versatile, safe, and efficient charging solution for electric vehicles. Intermittent current control and protection device (IC-CPD) automatically detect input voltage and adjusts charging currents for both Level 1 (120V) and Level 2 (240V) power sources. Embodiments include interchangeable NEMA plug cables for flexible use, supporting current adjustments from 8 A to 40 A. A temperature sensor may monitor the charging process, reducing current to prevent overheating and automatically resuming once safe conditions are restored. Wi-Fi connectivity provides remotely control and monitor charging via a mobile app.

Abstract: Various embodiments are directed to determining an elevator car position within an elevator shaft using radar-based distance measurements and a plurality of radar reflectors positioned along the elevator shaft. In one aspect, an example method is provided. The method includes associating a height segment of the elevator shaft with each of the plurality of radar reflectors. The method further includes selecting a target reflector from the plurality of radar reflectors based at least in part on an initial height of the elevator car being within a height segment associated with the target reflector. The method further includes determining an inferred position of the elevator car within the elevator shaft based at least in part on determining a radar-based distance measurement to the target reflector. The radar reflectors may be positioned such that at least one radar reflector is optimally detectable by a dynamically-positioned radar transceiver of the elevator car.

Abstract: A fluxgate current sensor. A fluxgate signal corresponding to a primary current may be received. The fluxgate signal may include at least two plateau periods. Each plateau period may define a plurality of candidate calculation windows. An operation condition classification may be generated based on a signal characteristics set by applying the signal characteristics set to a classification model. The operation condition may be one of an AC operation condition or DC operation condition. A calculation window may be selected based on the operation condition classification. The plurality of calculation windows may include a first calculation window and a second calculation window. A predicted current value may be generated for the primary current by applying sampled current values within the selected calculation window for each of the at least two plateau periods to a prediction model.

Abstract: A current sensing system may include a housing having a chamber configured to contain an epoxy, the housing further comprising a magnetic core having a gap configured to surround the chamber and a spacer structure mechanically coupled to the magnetic core configured to stabilize the gap of the magnetic core. The current sensing system may further include a Hall sensing element comprised within the chamber and surrounded by the epoxy. The spacer structure may be further configured to allow the epoxy to sufficiently cure at temperatures at or above a predetermined threshold.

Abstract: A 3D point cloud quality prediction method based on graph convolutional neural network is provided. The beneficial effect is that the present disclosure can effectively capture global structural information, reduce redundant calculations, and improve the accuracy of the predict quality score.

Abstract: Provided is a radio-frequency L-DRX device having a receiving port (RXOUT) and a polling transmitting port (SRS) used for connection to a radio-frequency transceiver, and an antenna port (ANT) for connection to an antenna. The radio-frequency L-DRX device includes: a first switching unit connected to the antenna port (ANT) and the polling transmitting port (SRS) and configured to selectively switch on a receiving path where the receiving port (RXOUT) is located and a transmitting path where the polling transmitting port (SRS) is located; a first filtering unit disposed in the receiving path or the transmitting path and configured to perform filtering processing on a received or transmitted radio-frequency signal; and a first low noise amplifier disposed in the receiving path and having an output terminal connected to the receiving port (SRS), and configured to amplify the filtered radio-frequency signal to be outputted via the receiving port (SRS).

Abstract: An atomization core includes: a liquid guiding element having a first surface and a second surface opposite each other, and a through hole running through the first surface and the second surface; a blocking member arranged on at least part of an inner wall surface of the through hole, and defining an air outlet channel or fitting with the part of the inner wall surface of the through hole to form an air outlet channel, a porosity of the blocking member being less than a porosity of the liquid guiding element; and a heating member arranged on the first surface of the liquid guiding element, the heating member atomizing an aerosol-forming material to form an aerosol. The aerosol flows out through the air outlet channel.

Abstract: Provided is a radio-frequency L-DRX device having a receiving port (RXOUT) and a polling transmitting port (SRS) used for connection to a radio-frequency transceiver, and an antenna port (ANT) for connection to an antenna. The radio-frequency L-DRX device includes: a first switching unit connected to the antenna port (ANT) and the polling transmitting port (SRS) and configured to selectively switch on a receiving path where the receiving port (RXOUT) is located and a transmitting path where the polling transmitting port (SRS) is located; a first filtering unit disposed in the receiving path or the transmitting path and configured to perform filtering processing on a received or transmitted radio-frequency signal; and a first low noise amplifier disposed in the receiving path and having an output terminal connected to the receiving port (SRS), and configured to amplify the filtered radio-frequency signal to be outputted via the receiving port (SRS).

Abstract: A system for the treatment of oxidizable contaminants in wastewater includes a contaminant treatment vessel and a hydrogen peroxide supply unit. The hydrogen peroxide supply unit includes a hydrogen peroxide transfer line in fluid communication with the contaminant treatment vessel with an air-gap. A wastewater feed stream may also be in fluid communication with the contaminant treatment vessel. A contaminant treatment vessel effluent stream may also be in fluid communication with the contaminant treatment vessel. A method for the treatment of oxidizable contaminants in wastewater includes supplying wastewater to a contaminant treatment vessel, supplying hydrogen peroxide to the contaminant treatment vessel so that the supply is above the maximum filling level of the vessel in an air-gap, and contacting wastewater in the contaminant treatment vessel with hydrogen peroxide.

Abstract: A structure for reducing displacement of a magnetic sensor in an open loop magnetic core is provided. The structure can include a body having a first end and a second end. The structure can include a first elasticity component connected to the first end extending in a direction away from the body and a second elasticity component connected to the second end extending in a direction away from the body. The structure can include two clamp components connected to the body between the first and second ends, where the two clamp components are configured to secure the magnetic sensor. The structure can be compressible in response to an application of force to outer surfaces of the elasticity components.

Abstract: Disclosed is a method for forming a square-wire conductor, which includes: providing a circular conductor with a diameter d; passing the conductor through a gap of a longitudinal calendering roller to longitudinally calender the conductor up and down to form a conductor with flat upper and lower surfaces, the gap L1 of the longitudinal calendering roller is 0.886 d to 0.911 d; longitudinally and transversely straightening the conductor; passing the conductor through a gap of a transverse calendering roller to transversely calender the conductor left and right to form a conductor with flat left and right surfaces, the gap L2 of the transverse calendering roller is 0.886 d to 0.911 d; and longitudinally and transversely straightening the conductor.

Abstract: A self-calibrating current measuring apparatus comprising a low-range current sensor configured to generate first voltage signals, a high-range current sensor configured to generate second voltage signals, and a self-calibration current measuring circuit configured to: receive the first voltage signals and the second voltage signals, convert the first voltage signals and the second voltage signals into respective first digital signals and second digital signals, compare the first digital signals with the second digital signals, determine a difference between the first digital signals and the second digital signals exceed a recalibration threshold based on the comparison, generate calibration data based on the determination, and generate a digital output signal representative of a current reading based on an application of the calibration data to the second digital signals.

Abstract: An example apparatus, method, and computer program product for reducing power consumption while maintaining a high accuracy in a sensing device is provided. The example apparatus may include a microcontroller and a sensing device electrically connected to the microcontroller. In an instance in which the microcontroller is enabled, the microcontroller may enable the sensing device and enter a low-power mode for a pre-determined sensor wait time. The microcontroller may further be configured to, upon expiration of the pre-determined sensor wait time, receive electrical data from the sensing device. Further, upon receipt of the electrical data, the microcontroller may disable power to the sensing device. In some embodiments, the apparatus may include a switch electrically connected between the sensing device and a power source, wherein the microcontroller is configured to send an electrical signal to the switch to control an input power to the sensing device.

Abstract: This application provides a cell detection method, device and system as well as a processor and a controller. The cell detection method may include: obtaining target detection data of a target cell; and determining a detection result of the target cell based on the target detection data and standard data. The cell detection method improves the detection efficiency and detection effect of the cells.

Abstract: Methods, apparatuses and systems for a sensing deformation in a surface are disclosed herein. An example device may include a first sensor configured to mechanically couple to a first point and a second point on a surface. The first point and the second point may be located across an opening of a groove on the surface. An electrical property of the first sensor may be configured to change in response to a variation in the distance between the first point and the second point.

Abstract: Methods, apparatuses and systems for a sensing deformation in a surface are disclosed herein. An example device may include a support unit including a first frame and a second frame. A first end of the first frame and a first end of the second frame are mechanically coupled to the surface. The sensing device includes a pin joint that mechanically couples the first frame to the second frame, such that a first relative movement between the first end of the first frame and the first end of the second frame is amplified to a second relative movement between a second end of the first frame and a second end of the second frame. The sensing device includes a sensor that senses the second relative movement between the second end of the first frame and the second end of the second frame.

Abstract: The present disclosure discloses a charging pile, relating to the technical field of vehicle charging. The charging pile comprises a charging pile main body, a mounting back plate, and a wiring assembly. The wiring assembly is arranged on the mounting back plate, wherein the charging pile main body cooperates with the wiring assembly to enable the power connection of the charging pile main body. Compared with the prior art, the charging pile provided in the present disclosure enables split mounting and wiring, improves mounting efficiency, reduces labor costs, and facilitates maintenance and repair, due to the use of a charging pile main body, a mounting back plate, and a wiring assembly mounted on the mounting back plate, which are provided separately.

Abstract: A non-invasive current sensor and a method for assembling the non-invasive current sensor are provided. An example non-invasive current sensor may include a first housing, the first housing including a magnetic core having a first end and a second end and a protective case. The magnetic core may be formed into a substantially complete perimeter having a center opening, and defining an air gap may between the first end and the second end of the magnetic core. The first housing may further include a protective case disposed in the air gap of the magnetic core. In addition, the non-invasive current sensor may include a second housing having a sensing element. The sensing element may be positioned such that in an instance in which the first housing is attached to the second housing, the protective case receives the sensing element.