Abstract: Validity of a trained artificial intelligence model is verified. The verifying the validity includes generating a training dataset from the trained artificial intelligence model using reverse data generation of the trained artificial intelligence model. The training dataset generated using the reverse data generation is compared with a test dataset used to evaluate the trained artificial intelligence model. The comparing is to determine a relationship between the training dataset that was generated and the test dataset. Data from the test dataset determined to have a predefined relationship with the training dataset is removed to obtain a new test dataset. The new test dataset is used to verify the validity of the trained artificial intelligence model.

Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem.

Abstract: The present disclosure discloses an optical lens and a camera module, from an object side to an imaging plane along an optical axis, sequentially including: a first group, a second group, and protective glass. The first group has a positive focal power and sequentially includes, from the object side to the imaging plane along the optical axis, a first substrate and a first lens bonded together. The object side surface or image side surface of the first substrate is coated with a stop. The second group has a negative focal power and sequentially includes, from the object side to the image side along the optical axis, a second lens, a second substrate, and a third lens bonded together. The working object distance of the optical lens is from 5 mm to infinity.

Abstract: A water jet strengthening and polishing integrated system for blades of a blisk includes a vibration polishing unit and a water jet strengthening unit. The vibration polishing unit includes a vibration polishing bath, the vibration polishing bath is internally provided with a clamp for clamping the blisk, and vibration motors for driving the vibration polishing bath to vibrate are installed on the vibration polishing bath. Top ends of support springs are fixedly connected with the vibration polishing bath, and bottom ends of the support springs are fixedly connected with a workbench. The water jet strengthening unit includes a water jet strengthening device for carrying out water jet strengthening on the blades of the blisk and a driving mechanism for clamping the water jet strengthening device and capable of driving the water jet strengthening device to move in any direction in space.

Abstract: A gesture recognition method, apparatus and system based on coupling capacitance, which are configured to solve the technical problem in the prior art of it not being possible to recognize a complex gesture due to the fact that the coordinates of a manipulation body on a three-dimensional plane cannot be determined.

Abstract: A servo motor includes a housing, a rotor, a stator, a planetary reduction mechanism, a first Hall magnet, Hall switches, a second Hall magnet, and a position sensor; the rotor, stator, the planetary reduction mechanism, and the position senor are arranged in the housing. The rotor has a rotor support and a rotor shaft; the planetary reduction mechanism includes a sun gear, a planetary carrier, and planetary gears; a reduction ratio of the planetary reduction mechanism is N:1, where N is a positive integer; the first Hall magnet is arranged on the planetary carrier; the Hall switches correspond to the first Hall magnet and are arranged in the housing at even intervals around a rotation axis of the rotor shaft. The number of Hall switches is N; the second Hall magnet is arranged on the rotor; and the position sensor is opposite the second Hall magnet.

Abstract: A welding-type system includes a power supply configured to control preheating of an electrode wire. A controller is configured to receive a plurality of power values corresponding to a power output of the power supply and calculate an arc power value corresponding to an arc condition at the preheated electrode wire based on a rate of change of the plurality of power values. A target power output value is determined based on the calculated arc power value, and the power output is adjusted based on the determined target power value.

Abstract: A venting device includes a first flap, which is configured to be actuated to swing upward during a rising time, and a second flap, which is disposed opposite to the first flap and configured to be actuated to swing downward during a falling time, a first actuating portion disposed on the first flap, and a second actuating portion disposed on the second flap. The venting device configured to form a vent is disposed within a wearable sound device or to be disposed within the wearable sound device. The vent is formed via applying a first voltage to the first actuating portion and applying a second voltage on the second actuating portion, such that the venting device gradually forms the vent.

Abstract: An exemplary micro light-emitting diode (LED) structure includes an array of micro LEDs. Each micro LED in the array includes: a bottom epitaxial layer of a first conductive type; a light-emitting layer, formed on the bottom epitaxial layer; a top epitaxial layer of a second conductive type, formed on the light-emitting layer; and a top contact layer, formed on the top epitaxial layer and having a continuous closed shape.

Abstract: An exemplary micro light-emitting diode (LED) structure includes: a bottom epitaxial layer of a first conductive type; a light-emitting layer, formed on the bottom epitaxial layer; and a top epitaxial layer of a second conductive type, formed on the light-emitting layer. The top epitaxial layer comprises an array of first grooves dividing the micro LED structure into an array of micro LEDs.

Abstract: Provided are a display panel and a display device. The display panel includes: a pixel unit, including a pixel circuit and a light-emitting element a data line connected with the pixel circuit the data line includes first-type data lines and second-type data lines, the second-type data line includes a first portion, a second portion, and a third portion the third portion is connected with the first portion through a first via hole, the third portion is connected with the second portion through a second via hole, and the third portion includes a main trace located between the first via hole and the second via hole, at least one third portion includes a compensation trace, the compensation trace of the third portion is located at least one end of the main trace of the third portion, lengths of the plurality of third portions are equal or approximately equal.

Abstract: The present disclosure provides structures for a micro light-emitting diode (LED) array, to improve light extraction efficiency. An exemplary structure includes: a bottom epitaxial layer of a first conductive type, continuously formed across the micro LED array; a light-emitting layer, formed on the bottom epitaxial layer and continuously formed across the micro LED array; a top epitaxial layer of a second conductive type, wherein the top epitaxial layer is formed on the light-emitting layer and continuously formed across the micro LED array; and a first trench, formed in the top epitaxial layer and between adjacent micro LED.

Abstract: An exemplary micro light-emitting diode (LED) structure includes: a bottom epitaxial layer of a first conductive type; a light-emitting layer, formed on the bottom epitaxial layer; and a top epitaxial layer of a second conductive type. The top epitaxial layer is formed on the light-emitting layer and comprises an array of first grooves dividing the top epitaxial layer into an array of micro LEDs. Each of the first grooves comprises a first sub-groove.

Abstract: An isolated peptide having the structure: where —NH-Q-C(O)— is an ?-helical amino acid sequence that includes at least 4 and up to 30 amino acid residues, Z1 is a moiety including an aromatic group or a fluorophore, Z2 includes a phosphorylated amino acid residue, or the dephosphorylated amino acid residue. These peptides, in dephosphorylated form, are capable of self-assembly in the form of a nanoribbon, nanofiber, or a combination thereof. Such peptides are capable of causing cell death of cells that overexpress alkaline phosphatases, which includes cancer cells and induced pluripotent stem cells (iPSCs), and therefore the peptides of the invention can be used ex vivo to selectively cause cell death of cancer cells or iPSCs, or in vivo to cause cancer cell death.

Abstract: The present invention discloses a differential COTDR distributed acoustic sensing device based on heterogeneous double-sideband chirped-pulses of the invention, comprising a light source (1), a 1×2 polarization-maintaining optical-fiber coupler (2), a dual Mach-Zehnder electro-optical modulator (3), an arbitrary waveform generator (4), a first low noise microwave amplifier (5), a second low noise microwave amplifier (6), an electro-optical modulator bias control panel (7), a 1×2 optical-fiber coupler (8), an erbium-doped optical-fiber amplifier (9), an optical-fiber filter (10), an optical-fiber circulator (11), a sensing optical fiber (12), a tricyclic polarization controller (13), a 2×2 optical-fiber coupler (14), a balanced photoelectric detector (15), a data acquisition card (16) and a processing unit (17).

Abstract: The present invention provides an anti-pinch detection method and system comprising: determining a first current change rate according to a current collected in a present period and a previous period; determining a second current change rate according to the current collected in the present period and a target period, there being N periods between the target period and present period; detecting whether a closure component encounters an obstacle according to the second current change rate. If yes, determining the stiffness of the obstacle according to the first current change rate; determining a real-time obstacle compression distance according to a contact position zero point and a motor position collected in real time; and determining a real-time anti-pinch force according to the stiffness of the obstacle and the real-time obstacle compression distance, and controlling a motor to reverse when the real-time anti-pinch force is greater than a preset anti-pinch detection threshold.

Abstract: A display substrate, inspection method thereof, and display device are provided. The display substrate includes a base substrate including a first region and a second region. The second region includes multiple driving circuitries, which include multiple normal driving circuitries and multiple dummy driving circuitries; the dummy driving circuitries each include a dummy driving transistor, and some of the normal driving circuitries are for driving an anode pattern in the first region; the multiple driving circuitries are divided into multiple driving circuitry columns, which are sequentially arranged in a nested manner and all surround the first region.

Abstract: A switched capacitor converter includes a first energy storage branch, a second energy storage branch, a third energy storage branch comprising a third capacitor, a seventh switch, an eighth switch, a ninth switch and a tenth switch, and a control branch connected to a first terminal of each switch in the first energy storage branch, the second energy storage branch and the third energy storage branch respectively, wherein the control branch is configured to control each switch to alternately turn on and off periodically in two phases, so that a ratio of a voltage at the input terminal to a voltage at an output terminal is 2N:1, wherein in each operating cycle, the tenth switch is turned on later than at least one switch in the third energy storage branch, and wherein the at least one switch and the tenth switch are in a same phase.

Abstract: The present application provides an on-machine point cloud detection and compensation method for processing complex surfaces, which comprises: step S1, installing a detecting and scanning actuator on an ultrasonic rolling machine tool; step S2, installing a processed workpiece on the chuck which is scanned by the detecting and scanning actuator to obtain the point cloud data of the workpiece in a coordinate system of detecting and scanning actuator, which is converted into the point cloud data of the workpiece in a coordinate system of machine tool; step S3, processing the point cloud data of the workpiece in the coordinate system of machine tool; step S4, obtaining and compensating the shape error feature of the workpiece according to theoretical design data of the processed workpiece and processed point cloud data of the workpiece in the coordinate system of machine tool. The accuracy and efficiency of complex surface strengthening is improved in the present application.