Abstract: An electrode sheet marking system includes an image acquisition device and a processing device. The image acquisition device is configured to perform image acquisition on an electrode sheet roll in an unwinding process to obtain a current image frame. The processing device is communicatively coupled to the image acquisition device and is configured to: detect the current image frame, and under a condition that the positioning mark is detected in the current image frame, determine a marking moment of a target electrode sheet based on an acquisition moment of a reference image frame corresponding to the current image frame, where the target electrode sheet is an electrode sheet that is distinguished by the detected positioning mark, and the marking moment is a moment at which a marking device is triggered to mark the target electrode sheet.

Abstract: The present application involves: obtaining battery cell images acquired from multiple angles, the battery cell images including a tab portion of a battery cell; performing, by a target detection model, tab defect detection on the battery cell images acquired from multiple angles to obtain a tab detection result, the target detection model being configured to perform tab positioning and tab defect identification; and completing defect detection based on the tab detection result. By using a target detection model to perform tab defect detection on battery cell images acquired from multiple angles, a defect in a tab portion is accurately detected.

Abstract: Various embodiments include methods for implementing, in a processor of a computing device, remote procedure calls (RPCs). Embodiments may include the first processor configured to execute a plurality of guest virtual machines (GVMs) in parallel. Embodiments may include receiving a first plurality of RPC requests, by a first virtual RPC module that is executed by a GVM of the plurality of GVMs, from a plurality of RPC sources that are executed concurrently by the GVM, generating, by the first virtual RPC module, a plurality of RPC request messages from the first plurality of RPC requests, sending the plurality of RPC request messages from the first virtual RPC module to a memory of the computing device, retrieving the plurality of RPC request messages from the memory by a second virtual RPC module that is executed by the processor, and generating, by the second virtual RPC module, a second plurality of RPC requests for the plurality of RPC request messages.

Abstract: A battery cell comprises a battery cell body, tabs and a cover plate, wherein the tabs are arranged between the cover plate and the battery cell body. The tab inspection system comprises: a distance expansion apparatus, a light source, a photographic apparatus and an upper computer, wherein the distance expansion apparatus is configured to expand the distance between the battery cell body and the cover plate, so as to expose a side face of a tab; the light source is configured to light the side face of the tab; the photographic apparatus is configured to acquire a first scanned image containing the side face of the tab; and the upper computer is configured to determine, on the basis of the first scanned image, whether the side face of the tab is fractured.

Abstract: The present application discloses a film coating device and a film coating method. A magnetic drive conveying device drives a battery cell to move; and during movement of the battery cell, a position of a magnetic levitation mover is determined on the basis of preset positions in a magnetic levitation guide rail, and the position of the magnetic levitation mover is used as the position of the battery cell to be transmitted to an encoder, such that the encoder outputs a pulse signal on the basis of the change in the position of the magnetic levitation mover to trigger an image collection device to perform image collection on the battery cell.

Abstract: A coating test apparatus and a coating system are provided. The coating test apparatus comprises a main support and two test assemblies assembled on the main support. Each test assembly comprises: a macro camera and a roller; the roller is used for conveying a material belt; the two test assemblies are respectively used for testing two opposite surfaces of the material belt; the macro camera in each test assembly is arranged corresponding to the roller; and the width of a lens of the macro camera is greater than or equal to the width of the corresponding roller.

Abstract: The disclosure belongs to the technical field of high-power laser welding, and discloses a method and system for optimizing process parameters to suppress pores in high-power laser shaping welding. The method includes: obtaining the relationship between the adjustable annular laser beam diameter, the linear energy at the center point, with welding process parameters; and establishing optimization constraint conditions for them; obtaining the preset range of process parameters and substituting parameter values within this range into the optimization constraint conditions; the process parameter combinations that meet both optimization constraint conditions are the optimized process parameters. This disclosure, by flexibly adjusting the power ratio of the central Gaussian beam and the outer annular beam, significantly improves the pore problem in laser welding of aluminum alloys while ensuring large penetration depth, providing reference for high-quality welding of aluminum alloys.

Abstract: The coating system comprises: a roller, a line scan camera, an encoder, a controller, and a calibration ruler. The calibration ruler is disposed on the roller and comprises a plurality of staggered calibration blocks. The encoder is mounted coaxially with the roller or is in contact with the roller by means of press-wheel mounting, and generates a first trigger signal; one or more line scan cameras are disposed on one side of the roller, and the imaging field of view of the camera corresponds to the calibration ruler. Upon receipt of the first trigger signal or under the trigger of a second trigger signal in the line scan camera, the line scan camera photographs the calibration ruler to acquire an image. The controller computes at least one of a lateral accuracy and a longitudinal accuracy of the line scan camera on the basis of the image.

Abstract: Disclosed in the present application are an electrode sheet inspection method and system. The method comprises: acquiring an image to be subjected to inspection, which is collected from an electrode sheet; on the basis of preset edge-capture region information, determining at least one edge-capture region from the image, wherein the preset edge-capture region information comprises position information and/or size information of the edge-capture region; performing boundary detection on each edge-capture region, so as to obtain a first boundary line in each edge-capture region, wherein the first boundary line is used for delineating different partitions of the electrode sheet that are arranged in a widthwise direction; and using the first boundary line in each edge-capture region to determine width information related to the electrode sheet. In this way, the present application can implement automatic inspection for an electrode sheet.

Abstract: An electrode sheet roll-pressing and cutting system are disclosed. The system includes: an encoder, a detection mechanism, a programmable logic controller and a marking mechanism. The detection mechanism shoots images of an electrode sheet in the system based on a frequency of a pulse signal output by the encoder. An upper computer determines a defect region of the electrode sheet based on an N(th) image of the electrode sheet shot by the detection mechanism and, based on the defect region, determines the number S of pulses that the programmable logic controller needs to await. When determining that the S pulses have been awaited, the programmable logic controller sends a marking instruction to the marking mechanism. The marking mechanism marks the defect region of the electrode sheet. The upper computer is configured to identify edges of a tab region image and determine the size of the tab region based on the edges.

Abstract: An optical phased array is provided, including: a silicon substrate; a silicon oxide layer; an optical waveguide layer including a coupling beam splitter and a grating antenna; a silicon oxide cladding layer, disposed around the optical waveguide layer and filled in the band-shaped gap; and one or more lithium niobate phase shifters; each lithium niobate phase shifter includes: a lithium niobate thin film located in the band-shaped gap, a lithium niobate optical waveguide disposed over the lithium niobate thin film and connected to the coupling beam splitter and the grating antenna, modulation electrodes. The present disclosure uses materials with high electro-optical coefficient and low loss, such as lithium niobate, to replace thermal modulation resistors and the phase modulation mode based on carrier injection used in optical phased arrays, so that the optical phase modulation with low power consumption, high speed and low waveguide loss can be performed.

Abstract: An electrode sheet coating deviation correction method and system. The method comprises: acquiring coating images obtained by means of performing collection on two opposite coating surfaces of an electrode sheet; using the coating images to determine coating misalignment information, wherein the coating misalignment information represents misalignment states of coating areas on the coating surfaces, the coating misalignment information comprises first misalignment information, and the first misalignment information represents the state of misalignment between a coating area on a coating surface and a standard coating position in the coating surface; and on the basis of the coating misalignment information, performing deviation correction on at least two of coating mechanisms for the two coating surfaces and the electrode sheet, such that, after deviation correction, the coating areas on the two coating surfaces are aligned and are both located at standard coating positions in the coating surfaces.

Abstract: A media information processing method and apparatus, a media information playback method and apparatus are disclosed. The media information processing method may include: acquiring media of a plurality of viewpoints, the plurality of viewpoints include at least one real viewpoint and at least one virtual viewpoint, and the media of the at least one virtual viewpoint is generated according to the media of the at least one real viewpoint; generating a media stream according to the media of the plurality of viewpoints, the media stream is a media file including media information; and performing segmentation and packing of the media stream, and generating a Media Presentation Description (MPD) text of the media, the MPD text includes a description of the real viewpoints and a description of the at least one virtual viewpoint, and the MPD text is used for acquiring media stream information of a viewpoint to be played.

Abstract: This application provides a roller, an inspection method for a camera, a camera inspection apparatus, a coil conveying method, a coil conveying apparatus, an electronic device, a computer-readable storage medium, and a computer program product. The roller includes a roller body and a calibration sheet. The roller body includes a roller surface for supporting a coil; the calibration sheet is located on the roller surface of the roller body and avoids the coil, and the calibration sheet is used for inspection of the camera.

Abstract: A camera verification piece includes a body provided with a verification structure for detection by visual detection equipment. The verification structure is constructed to adapt to a to-be-detected structure on a to-be-detected part.

Abstract: The present invention discloses an application of inhibitors of glycolytic pathway in preparing drugs for preventing and treating porcine reproductive and respiratory syndrome virus (PRRSV) infection. The present invention found that the inhibitors of glycolytic pathway can be used to prevent and treat PRRSV infection, especially, oral administration of the lactate dehydrogenase inhibitor, sodium oxamate or Galloflavin, can significantly inhibit PRRSV replication in pigs, and the present invention found a new use of the inhibitors of glycolytic pathway, especially the lactate dehydrogenase inhibitor (sodium oxamate or Galloflavin), as a PRRSV antagonist for the first time. The sodium oxamate and Galloflavin have clear anti-PRRSV medicinal ingredients, are quality controllable, safe and non-toxic, and have a good application prospect in prevention and treatment of PRRSV.

Abstract: According to one embodiment, a training device is configured to perform first to third training. The first training includes training a first policy in a simulation environment, the first policy being configured to determine a gripping operation of a robot arm including a gripper. The second training includes training a second policy in a real environment, the second policy being configured to determine the gripping operation of the robot arm. The third training includes training a model configured to output, according to an input of an image, grip information for gripping an object. The second training includes training the second policy by using an output from the first policy and sensor information acquired in the gripping operation. The third training includes training the model by using, as teaching data, a first image of a first environment of reality and grip information output from the second policy.

Abstract: The present invention relates to new aspartic acid ester-functional polysiloxanes, their use in the manufacture of curable compositions using polyisocyanate crosslinkers, in particular, in the manufacture of coating compositions, cured compositions obtained from said curable compositions and articles comprising the cured compositions.

Abstract: Disclosed are a pole piece labeling control method and device, electronic equipment, and a storage medium. The method includes: acquiring a pole piece image, including a pole piece mark hole image, of a target pole piece; determining a defect detection result according to the pole piece image; determining a first distance according to the pole piece mark hole image; determining a second distance according to the first distance; determining a labeling delay of the target pole piece according to the second distance; and controlling the labeling of the target pole piece according to the labeling delay and the defect detection result. The real-time position of the pole piece transferred on a compression roller is identified through the pole piece mark hole image, so that the accuracy of the labeling delay is improved, and the labeling position based on the labeling delay is more accurate.

Abstract: The present disclosure relates to indazole macrocyclic compounds, pharmaceutical compositions containing macrocyclic compounds, and methods of using macrocyclic compounds to treat disease, such as cancer comprising administering a therapeutically effective amount of a compound to a subject in need thereof.