5results about How to "Accurately established" patented technology

The present application belongs to the technical field of oil and gas field exploration and development, and discloses a method, device and method for establishing a strike-slip fault activity prediction model. The method for establishing the prediction model comprises: extracting the horizontal maximum principal stress, the minimum horizontal principal stress and the vertical stress in a present-day stress model based on a fracture-vug three-dimensional carving model; calculating a normal stress model and a shear stress model from the horizontal maximum principal stress, the minimum horizontal principal stress and the vertical stress; calculating a criterion internal friction angle model from the normal stress model, the shear stress model and a roughness model; and subtracting the data in the criterion internal friction angle model from the data in the shear stress model to obtain the strike-slip fault activity prediction model. The present application can more accurately establish a complex strike-slip fault activity prediction model that meets the needs of exploration and development production.

This application relates to a method, apparatus, and measurement system for dynamic measurement of assembly data. The measurement system includes a moving crossbeam and multiple calibration targets, with a 3D scanner and a laser tracker mounted on the moving crossbeam. The method includes: controlling the moving crossbeam to move to a measurement pose; positioning multiple calibration targets using the laser tracker to construct a geodetic coordinate system and tracking and determining the real-time pose of the 3D scanner in the geodetic coordinate system; controlling the 3D scanner to move and scan to obtain reference point cloud data and key area point cloud data of the assembly workpiece, and establishing the point cloud correlation between the two, establishing a workpiece coordinate system based on the reference point cloud data; based on the workpiece coordinate system, real-time pose, and point cloud correlation, mapping the key area point cloud data to the geodetic coordinate system and performing error correction; and generating an assembly deviation map based on the deviation between the corrected actual measurement data and the expected measurement data. This method can improve the cycle time efficiency and assembly accuracy pass rate of a pulsed assembly production line.

This invention discloses a method for constructing a digital model of a high-energy beam pre-controlled projectile with random defects. The method includes: establishing a model of the high-energy beam pre-controlled projectile using TrueGrid software; outputting the node and element information of the mesh according to the format requirements of the finite element software; extracting node and element data from the mesh model file, dividing the element data into base element data and pre-controlled zone element data; obtaining element data of the defect-forming locations and the remaining element data in the pre-controlled zone according to a pre-defined ratio of defect formation locations and their volume in the pre-controlled zone; randomly deleting element data from the defect-forming locations; and merging the data to form a mesh model file that meets the requirements, thus obtaining the element data of the high-energy beam pre-controlled projectile with random defects. This construction method can generate controllable random defects in the pre-controlled zone, completing the defect characterization of the high-energy beam pre-controlled projectile.

This application discloses a method, system, device, and medium for acquiring information from power equipment, belonging to the field of power electronics technology. The method includes: power equipment responding to a connection request from a pre-installed device by establishing a communication connection with the pre-installed device via an AP hotspot; receiving an inquiry command sent by the pre-installed device; obtaining the response information corresponding to the inquiry command; and sending the response information back to the pre-installed device. This application, by activating the AP hotspot of the WiFi module after the power equipment is powered on, allows the pre-installed device to establish a communication connection with the power equipment via the AP hotspot, obtain the corresponding response information based on the network relationship within the power equipment cluster, and provide feedback. This eliminates the need for manual scanning of QR codes or manual data entry for each power equipment, simplifying the power equipment information collection process, shortening the information acquisition time cycle, and improving the efficiency of power equipment information acquisition.

The embodiment of the application provides a data transmission system and method between mobile devices, and relates to the technical field of data transmission. The system comprises a quantum key distribution link calibration subsystem and a quantum key distribution subsystem; wherein the quantum key distribution link calibration subsystem is located at a sending end, and is used for automatically completing optical axis calibration at the initial stage of optical link establishment, preparing a low-noise quantum channel for the quantum key distribution subsystem, and comprising: an optical axis alignment module, which is used for realizing accurate alignment of the direction of the sending end emission optical axis and the receiving end receiving optical axis; and a system performance verification module, which is used for monitoring the quantum error rate of the link, and determining that the link calibration is successful when the error rate is reduced to below the threshold value specified in the security protocol. The embodiment provided by the application improves the data transmission security between mobile devices.