Abstract: A winding mechanism and a winding device. The winding mechanism includes at least two sets of unwinding mechanisms and a first clamping assembly. The unwinding mechanism is configured to unwind and convey an electrode sheet and is capable of independently conveying the electrode sheet, and the unwinding mechanism includes an electrode sheet starting end and an electrode sheet free end. The first clamping assembly is configured to enable the electrode sheet free end of any of the unwinding mechanisms to be conveyed to a next process. Each set of unwinding mechanism of the winding mechanism is capable of operating independently, and the electrode sheet free end of each unwinding mechanism is conveyed to a next process through the first clamping assembly.

Abstract: A core-shell gradient ternary precursor and a preparation method and application thereof. The preparation method includes (1) mixing a terephthalic acid solution with alkaline liquor to obtain a terephthalic acid salt solution, adding a nickel source solution for a reaction to obtain a Ni-MOF solution, mixing the Ni-MOF solution with ammonia water, and adjusting a pH value to obtain a base solution; and (2) adding a nickel-cobalt-manganese ternary mixed salt solution, a liquid alkali solution, and an ammonia-water solution simultaneously to the base solution obtained in step (1) for a co-precipitation reaction, and obtaining the core-shell gradient ternary precursor after aging treatment. The Ni-MOF is pre-prepared and used as a core for the co-precipitation reaction, to obtain the core-shell like precursor with a gradient. Carbon in the core of the core-shell gradient ternary precursor reacts with oxygen, thereby reducing a nickel oxidation state on particle surfaces and reducing crack generation.

Abstract: A battery cell, comprising: a current collector assembly comprising a main body and current collector tabs, wherein the main body is provided with a connecting end surface, each current collector tab comprises a first portion and a second portion which are connected to each other, the first portion is connected to the connecting end surface, the second portion protrudes from the first portion in the thickness direction of the main body, and the first portion, the second portion and the main body together define a groove; and metal strip tabs each comprising a protruding portion, a connecting portion and a body portion, wherein the connecting portion is connected to the body portion and protrudes from the body portion in the thickness direction of the main body, and the protruding portion is connected to the connecting portion and protrudes from the connecting portion in the width direction of the main body.

Abstract: A composite treatment process includes steps: conveying the waste plastic bottles and adjusting the same to be upright, stretching, feeding, slitting, screening waste materials and plastic strips, cleaning the plastic strips, preliminarily removing water from the plastic strips, and dewatering and drying the plastic strips. According to the present invention, slit products of bottle caps and bottle collars are separated by the physical properties of the slit products of the bottle caps, the bottle collars and bottle bodies to obtain bottle body plastic strips, so that a step of removing label stickiness by heating and boiling and a step of removing cap impurities by floating and filtering are omitted, thereby reducing energy consumption and wastewater.

Abstract: An assembly for measuring impedance of a battery includes a first current loop including a first capacitor and a second capacitor in series with the first capacitor, a second current loop in parallel with the first current loop, the second current loop including a third capacitor, an impedance sensor in electrical communication with the first and second current loops, and a controller module configured to determine an impedance of the battery based on data from the impedance sensor indicating a first current frequency from the first current loop and a second current frequency from the second current loop.

Abstract: A meta-learning-based adaptive motion control method and apparatus for an underactuated ship are disclosed. The method includes steps of acquiring ship trajectory data including a set of ship status and control inputs under different environmental conditions and trajectory tracking tasks, constructing a ship trajectory model set according to the ship trajectory data, determining an adaptive control law according to a target state vector, a state vector of a controlled system and a state vector of a reference model, calculating a meta-parameter by meta-learning according to the ship trajectory model set and the adaptive law, and performing adaptive motion control of the underactuated ship according to the meta-parameter.

Abstract: An electrical component and shield assembly can include a set of conductors, with the shield assembly having a body at least partially encircling the set of conductors. The shield assembly can include a first shield layer radially spaced from a second shield layer. The first shield layer can include a magnetic material. The second shield layer can an electrically-conductive material.

Abstract: A selenium-containing hyperbranched polymer (HBP), and a preparation method and application thereof are provided, belonging to the technical field of intelligent biomimetic materials preparation. The preparation method includes the following steps: preparing a compound M1; preparing an HBP; dissolving the compound M1 in anhydrous dichloromethane (DCM), adding anhydrous N,N-dimethylformamide (DMF) and oxalyl chloride, stirring an obtained mixture, and removing the anhydrous DCM and excess oxalyl chloride under reduced pressure to obtain a reactant A; under nitrogen protection, suspending the HBP and triethylamine (TEA) in anhydrous tetrahydrofuran (THF), and stirring to obtain a reactant B; and dissolving the reactant A in anhydrous THF, dropwise adding an obtained solution to the reactant B, heating an obtained mixture to room temperature, stirring, removing the anhydrous THF, redissolving an obtained product in anhydrous THF, and conducting dialysis to obtain the selenium-containing HBP.

Abstract: A power converter is provided. In one aspect, the power converter has a first inverter and a second inverter electrically coupled with one another and with a power bus. First switches of the first inverter are arranged symmetrically with second switches of the second inverter so that, when switched in a pulse width modulated switching scheme, the first switches generate a first common mode signal and the second switches generate a second common mode signal that is one hundred eighty degrees out of phase with the first common mode signal. In another aspect, the power converter includes a buck stage having one or more pairs of symmetrically arranged buck switches that can be controlled to reduce or eliminate common mode electromagnetic interference in the buck stage. The power converter can also include one or more pairs of symmetrically arranged inductors.

Abstract: Provided are high and low beam integrated lighting apparatus and vehicle lamp. Apparatus includes two light-emitting modules arranged in vertical direction. Each light-emitting module includes multiple light sources and optical units arranged in transverse direction. Each optical unit includes reflection part and lens unit located on light-emitting side of reflection part. Light sources are arranged corresponding to reflection parts. Each reflection part is provided with reflection face. Focuses of lens units are provided on reflection faces or near reflection faces. Light rays emitted by light sources are reflected by reflection faces and then are emitted by lens units to form light form units. Multiple light form units are combined to form light-emitting light forms of light-emitting modules. Two light-emitting modules are respectively low-beam module and high-beam module. Light-emitting faces of two light-emitting modules are connected to form smooth curved face.

Abstract: A test system to conduct a sequence of electrical tests of an electrical cable is disclosed. The system includes a testing unit, a set of sensors, and two circuits. The two circuits are switchably coupled to a common voltage source and selectively electrically coupleable to the electric cable to enable the testing unit to conduct a respective test of the electrical cable.

Abstract: A light-emitting diode and a light-emitting device are provided. The light-emitting diode includes a semiconductor stack layer, an insulating reflective layer and an electrode structure. The insulating reflective layer defines a first opening and a second opening therein. A second electrode in the electrode structure includes a second connection electrode. In a direction gradually far away from the insulating reflective layer, the second connection electrode at least includes a transparent adhesive layer and a reflective layer located above the transparent adhesive layer. The transparent adhesive layer is a transparent material layer. The transparent adhesive layer can be a same material layer as a current spreading layer above a second semiconductor layer, thus, the transparent adhesive layer can form good adhesion with the current spreading layer. The reflective layer includes an Ag layer with high reflectivity, which can play a reflective role, thereby increasing light output of the light-emitting diode.

Abstract: A system can respond to detection or prediction of an uncorrectable error (UE) in memory based on fault-aware analysis. The fault-aware analysis enables the system to generate a determination of a specific hardware element of the memory that is faulty. In response to detection of an error, the system can correlate a hardware configuration of the memory device with historical data indicating memory faults for hardware elements of the hardware configuration. Based on a determination of the specific component that likely caused the UE, the system can identify a region of memory associated with the detected UE and mirror the faulty region to a reserved memory space of the memory device for access to data of the faulty region.

Abstract: The present application relates to a dysprosium-rich nickel-tungsten alloy material for nuclear shielding, the composition thereof comprising components of the following mass percentage: C: 0.002-0.02%, W: 5.0-35.0%, Cr: 15.0-30.0%, Dy: 1.0-4.0%, and the remaining components are nickel and unavoidable impurities. A preparation method for the dysprosium-rich nickel-tungsten alloy material for nuclear shielding is also provided. In the present application, a high-dysprosium and high-tungsten nickel-tungsten alloy material is prepared by adding an appropriate ratio of nickel, chromium, tungsten, and dysprosium, and has the advantages of high strength, good plasticity and toughness, corrosion resistance and excellent processing and formability, and can be used as an integrated material of a neutron and photon synergistic shielding functional structure.

Abstract: A power converter is provided. In one aspect, the power converter has a first inverter and a second inverter electrically coupled with one another and with a power bus. First switches of the first inverter are arranged symmetrically with second switches of the second inverter so that, when switched in a pulse width modulated switching scheme, the first switches generate a first common mode signal and the second switches generate a second common mode signal that is one hundred eighty degrees out of phase with the first common mode signal. In another aspect, the power converter includes a buck stage having one or more pairs of symmetrically arranged buck switches that can be controlled to reduce or eliminate common mode electromagnetic interference in the buck stage. The power converter can also include one or more pairs of symmetrically arranged inductors.

Abstract: An electrical cable assembly includes a cable portion and a connector housing portion coupled to the cable portion. The cable portion includes a first electrical conductor circumferentially surrounded by a first set of layers. The first set of layers includes a first semiconductive layer, a first insulative layer, a second semiconductive layer, a magnetic layer, a second insulative layer, and an electrically conductive. The connector housing portion includes a connector housing, a printed circuit board disposed within the connector housing; and a set of capacitors mounted to the printed circuit board and coupled to the magnetic layer.

Abstract: Provided is a method for solving radar ambiguity and occlusion based on an orthogonal two-phase coded signal. The method includes: generating and optimizing an orthogonal two-phase coded signal set by means of a walsh matrix and a genetic algorithm, and alternatively, obtaining an orthogonal two-phase coded signal set through an exhaustive method, depending on a chip length; determining the radar period and the number m of transmission pulses in a period according to the radar farthest detection range and the pulse repetition interval (PRI), and selecting m signals from the orthogonal two-phase coded signal set, to constitute a group of orthogonal two-phase coded pulse signals; and accumulating echoes of transmitted pulse signals, to generate an echo matrix, performing frequency domain pulse compression, to obtain a processed new matrix, and performing moving target detection on the matrix.

Abstract: A signal transfer method includes: transferring a first signal in a first frequency band between a metal frame member and a first front-end circuit, the metal frame member extending along a portion of a periphery of an apparatus; and transferring a second signal in a second frequency band between the metal frame member and a second front-end circuit by reactively coupling the metal frame member and a coupling element that is electrically connected to the second front-end circuit.

Abstract: A method and system for determining the health of a set of batteries through the use of a battery monitoring circuit. The battery monitoring circuit including a first current loop and a second current loop. The first current loop being enabled by a first switch, a first resistor and a second switch. The second current loop being enabled by the first switch, a third switch, a voltage sensor, and the second switch.

Abstract: A method and system for determining the health of a set of batteries through the use of a battery monitoring circuit. The battery monitoring circuit including a first current loop and a second current loop. The first current loop being enabled by a first switch, a first resistor and a second switch. The second current loop being enabled by the first switch, a third switch, a voltage sensor, and the second switch.