Abstract: A method for controlling a self-adaptive cooling system for a moving coil of a high-thrust electrodynamic vibration table includes following steps. Detecting, through temperature sensors, water temperatures at first, second and third water inlets and/or water outlets of a driving coil. Detecting an actual current of the driving coil through a sensor. Presetting a minimum threshold of a current intensity and a maximum threshold of the current intensity, comparing the actual current with the minimum and maximum thresholds, and adjusting a rotating velocity of a driving motor. Determining whether the rotating velocity reaches a rated rotating velocity, adjusting the rotating velocity again when it does not reach the rated rotating velocity. Controlling the three-position four-way reversing valve to vary directions of the first, second and third water inlets and/or water outlets of the cooling system to complete a reversal of a flow direction of cooling water within the driving coil.

Abstract: Embodiments of the present application provide a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery. The battery comprises: a battery cell group comprising a plurality of battery cells; a cooling system provided on a first face of the battery cell group; a signal transmission assembly provided on a second face of the battery cell group that is adjacent to the first face and comprising a busbar component and an insulation layer, the insulation layer enclosing the busbar component, the insulation layer having holes, and the busbar component being configured to be electrically connected to the battery cells in the battery cell group at the holes; and a covering member for covering the signal transmission assembly to prevent condensed liquid generated by the cooling system from reaching the signal transmission assembly.

Abstract: Disclosed is a method for operating an automatic mining of a mining electric shovel based on an auxiliary vision, including establishing a spatial coordinate system at a mining electric shovel and obtaining forward kinematics of a working device of the mining electric shovel through a D-H mean; implementing a three-dimensional reconstruction of the material pile through the binocular camera and selecting appropriate starting and ending positions of the first excavation; selecting a function yw=fw(x,t) as a first excavation trajectory of the mining electric shovel; real-timely monitoring through a force sensor whether a large coal rock block exists; recording a position of a current bucket tooth tip in a case of where the large coal rock block is monitored; adopting a means for planning downward excavation paths, after the avoidance is completed.

Abstract: A super-junction IGBT device with separation gate structures and a preparation method thereof are provided. The super-junction IGBT device includes an epitaxial layer. P-pillars and N-pillars are periodically formed in the epitaxial layer. A P-base region is formed on an upper portion of the epitaxial layer. The separation gate structures are disposed above the N-pillars. An N-base region is formed between the separation gate structures and formed on the P-base region. A first P+layer formed on the N-base region. A second P+layer disposed on a lower end of the epitaxial layer. A back metal is disposed at a lower end of the second P+layer. An emitter metal disposed at upper ends of the separation gate structures and an upper end of the first P+layer.

Abstract: A navigation method includes obtaining an initial navigation route, receiving a route erasing operation, and erasing a target section according to the route erasing operation. The target section includes at least a part of the initial navigation route corresponding to the route erasing operation. The method further includes determining a target navigation route according to the initial navigation route and the target section, and controlling an electronic device to perform navigation according to the target navigation route.

Abstract: A point cloud data processing method, and a robot and a robot control method using the same are provided. The method includes: obtaining image data including an RGB image and a depth image that is collected through an RGBD camera; obtaining an original mask image by segmenting out targets from the RGB image using a target segmentation mode; obtaining an optimized mask image by performing a pixel-level processing on the mask image; obtaining, based on the optimized mask image and the depth image, a plane equation of each of the targets in the optimized mask image; performing, using the plane equation of each of the targets, a depth value assignment on a plane position of the target in the optimized mask image that is not assigned with the depth value; and obtaining target point cloud data by performing a point cloud conversion on the depth image.

Abstract: A state estimation method for mobile robot navigation is provided which includes: step S1, initializing the processing module, and then controlling the field-programmable gate array to obtain measurement values of a moment k collected by the inertial measurement unit and the localization apparatus in a constant sampling period; step S2, controlling the application-specific integrated circuit to send the measurement values to the processing module; step S3, controlling the processing module to, based on the measurement values, sequentially perform vector padding, additional inertial vector acquisition, normalization processing, alignment error computation, filter measurement value computation, bias estimation value computation, velocity estimation value computation, pose estimation value computation and orthogonalization processing to obtain state estimation values of the moment k; step S4, controlling the processing module to send the state estimation values to the human-machine interface for visual display.

Abstract: An auto-compensation-type guide device for a moving coil of a large-scale vibration table includes a table body fixed at one side of a moving coil. A piston cylinder body is fixedly connected on an upper part of the table body. A force transmission assembly is slidably arranged in a cavity proximate to one side of the moving coil in the piston cylinder body, one end of the force transmission assembly is abutted on a piston head plate inside the piston cylinder body, and the other end is extended out of the piston cylinder body and is in transmission-connection with the moving coil. A pressurized cavity is located on the other side of the piston head plate on the piston cylinder body, and the wall of the pressurized cavity is provided with the oil and gas inlets. The oil and gas compensation pipeline is in connection with the oil and gas inlet on the pressurized cavity.

Abstract: This application provides a structural beam, a box, a battery, and an electric device, so as to solve the problem of waste of space and low volume utilization in arrangement of a structural beam inside a battery in the prior art. The structural beam provided in this application includes a first side wall and a second side wall. An exhaust passage is formed between the first side wall and the second side wall. The first side wall is provided with a first exhaust portion. The first exhaust portion is configured to receive emissions from at least one battery cell. The second side wall is provided with a second exhaust portion. The second exhaust portion is configured to receive emissions from at least one of remaining battery cells.

Abstract: Disclosed is a method for controlling an automatic operation of a mining electric shovel considering sudden load variations during excavations, including performing a 3D reconstruction on the morphology features of the material pile to be excavated by using binocular cameras; selecting a function yw=fw(x,t) as the first excavation trajectory; monitoring the real-time volume of excavated materials in the bucket; recording the current position of the bucket tooth tip and the volume V1 of the excavated material, in a case where a large coal rock is monitored to exist in front of the bucket, and selecting the corresponding path planning scheme to avoid the large coal rock block; obtaining the current material pile surface function again; calculating the volume of the remaining excavated materials as the objective function for the second excavation; taking the ending point of the avoidance path as the starting point for the second excavation.

Abstract: A robot navigation method, an electronic device, and a computer-readable storage medium are provided. The method includes: obtaining an initial map marked with an area type of each of obstacle areas in the initial map; obtaining, during navigating the robot according to the initial map, a real-time ultra-wideband localization position; determining, based on the real-time ultra-wideband localization position, a target obstacle area among the obstacle areas where the robot is located; and controlling, based on a navigation parameter corresponding to a target area type of the target obstacle area, the robot to move. In this manner, the safety of the robot can be improved.

Abstract: The present invention related to a saccharide nanomaterial for inhibiting DNA polymerase activity. The saccharide nanomaterial is produced by dry heating of saccharides and comprises graphene-like nanosheets and the saccharide. The graphene-like nanosheets contain at least a portion of the carbonized product of the saccharide, and form a cross-linked supramolecular structure with the saccharide. The saccharide nanomaterial can be applied to hot-start polymerase chain reaction (PCR), improving the sensitivity and specificity of the reaction.

Abstract: A fluid collecting component includes an apparatus body, where the apparatus body is provided with a main inlet, a main outlet, a plurality of branch inlets, and a plurality of branch outlets, where the plurality of branch outlets are in communication with the main outlet; an extension flow channel is formed inside the apparatus body; one end of the extension flow channel is in communication with the main inlet, and the other end thereof extends toward a side away from the main inlet; one of the plurality of branch inlets are in communication with the main inlet, and the others are in communication with the extension flow channel; the number of the branch inlets is equal to the number of the branch outlets, and the branch inlets are in one-to-one correspondence to the branch outlets; and the branch inlets are adjacent to the corresponding branch outlets.

Abstract: This application discloses a battery and an electrical device. The battery includes: a box, where an accommodation cavity is disposed in the box; a battery cell, disposed in the accommodation cavity, where the battery cell is provided with a pressure relief mechanism; and a support beam, where the support beam is disposed in the accommodation cavity, the support beam is provided with a liquid discharge cavity and a liquid inlet, and the liquid inlet communicates to the liquid discharge cavity so that a liquid in the battery cell discharged into the accommodation cavity through the pressure relief mechanism is able to be discharged from the liquid inlet into the liquid discharge cavity.

Abstract: A heat exchange component, a box, a battery, and an electrical apparatus are provided. The heat exchange component applied to the battery includes a body. The body includes a plurality of chambers penetrating through the body in a second direction, the plurality of chambers being arranged in a first direction. The plurality of chambers comprise an edge chamber located at an end of the body in the first direction, and a non-edge chamber located at a side of the edge chamber toward a center of the body. The cross-sectional area of the edge chamber perpendicular to the second direction is smaller than that of the non-edge chamber perpendicular to the second direction, so as to reduce the capacity of a heat exchange medium in the edge chamber.

Abstract: A battery includes a battery cell and a thermal management component. The thermal management component is opposite the battery cell along a first direction and connected to a first wall of the battery cell, the first wall is a wall with a largest surface area of the battery cell, and the first direction is perpendicular to the first wall. The thermal management component includes a flow channel, and the flow channel is used for accommodating a heat exchange medium, so as to regulate a temperature of the battery cell; where the flow channel is configured to provide a swelling space for the battery cell.

Abstract: A monorail hoist transportation robot driven by permanent magnet and variable frequency of an explosion-proof lithium battery includes a state perception system and a cockpit, a lifting device, a power carriage and a plurality of driving units all suspended on the suspension track. Each driving unit includes a motor, and each motor has the operation modes including a constant power mode and a constant torque mode. The main controller is configured to obtain the travelling state of the monorail hoist transportation robot through the state perception system, and adjust the operation mode of the motor according to the travelling state.

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consuming device, and a method and an apparatus for manufacturing a battery. The case may comprise: a cooling component, a liquid collection structure being arranged on the cooling component, and the liquid collection structure being configured to gather a condensate generated by the cooling component; and a first wall, a liquid storage structure being arranged on the first wall, the liquid storage structure being arranged corresponding to the liquid collection structure, and the liquid storage structure being configured to collect the condensate gathered by the liquid collection structure.

Abstract: The present disclosure relates to a dexmedetomidine microneedle patch, a method for preparing the same, and application thereof. The dexmedetomidine microneedle patch includes a substrate and a needle body disposed on a surface of the substrate, wherein the needle body includes dexmedetomidine hydrochloride, a matrix material, and a permeation enhancer. The permeation enhancer includes one or more of dodecyl-?-D-maltoside, ethylenediaminetetraacetic acid, and tetrahydropiperine.

Abstract: Embodiments provide a battery and a power consuming device. In some embodiments, the battery includes: a case assembly, including a case and fixed beams fixed in the case; a battery module, arranged in the case and including a plurality of battery cells; a first restraining component, configured to cover the battery module and fixed to the fixed beams; and a second restraining component, located on the side of the first restraining component away from the battery module and fixed to the fixed beams, wherein the second restraining component is provided with a weak area, and the second restraining component is configured to apply a restraining force to the first restraining component and to allow expansion of the battery cells in the weak area.