13results about How to "Comprehensive positioning" patented technology

The invention discloses a seamless steel tube defect detection method and device based on machine vision and a storage medium, and belongs to the technical field of image analysis. According to the method, the potential defect area can be comprehensively positioned by using data of multiple detection modes (image, ultrasonic, eddy current and ray detection), the possible limitation of a single detection mode is overcome, and the detection accuracy is improved. The key detection information block is determined from the multi-mode detection data, the key detection attribute vector is constructed, and the like, so that effective information of the data can be deeply mined, and the state of the potential defect area can be more accurately described. Defect detection discrimination vectors are constructed through a plurality of detection attention levels and defect labels, and detection viewpoints are output, so that the defects can be classified and evaluated in detail, an accurate basis can be provided for quality control of seamless steel pipes, the safety and reliability of the seamless steel pipes in use in various industries are guaranteed, the detection efficiency is improved, and the detection cost is reduced. And the cost risk caused by misjudgment or missed judgment defects is reduced.

The utility model discloses a gantry type double-station wood processing center which comprises a machine body, a gantry frame, a processing machine head, an adsorption positioning mechanism and a control mechanism. The machine body is provided with a workbench which is provided with a first working position and a second working position which are sequentially arranged. The adsorption positioning mechanisms are respectively arranged on the first working position and the second working position; the machining machine head is arranged on the portal frame, and a displacement device is arranged on the machine body and is in driving connection with the portal frame. The control mechanism is provided with two center consoles, and the two center consoles are connected to the adsorption positioning mechanism located at the first working position and the adsorption positioning mechanism located at the second working position correspondingly. In this way, the workpieces are machined, taken and placed on the first work station and the second work station respectively, the production efficiency of the workpieces is improved, particularly, the single workpiece machined in a large stroke can be placed on the first work station and the second work station to be machined, the single-station or double-station machining requirement of the workbench is met, the use requirement of a user is met, practicability is high, and the working efficiency is improved. The application range is wide.

The invention relates to the field of multi-dimensional engineering project quality data visual management, in particular to a multi-dimensional engineering project quality data visual management system, which comprises a data acquisition module used for acquiring construction feature basic data of a construction site; the data processing module comprises a screening unit and a cleaning unit connected with the screening unit; the data analysis module is used for converting the construction feature target data into visual data; and the control module is used for adjusting the number of quality sampling points according to the actual completion time of the project, judging the integrity of data acquisition according to the construction characteristic basic data so as to determine a data processing mode, and judging the state of displayed and output error data according to the standard deviation of the error data so as to determine an accurate processing mode. According to the invention, adjustment and determination processing are carried out through the actual completion time of the project, the data acquisition integrity and the error data standard deviation, and the efficiency and accuracy of engineering project quality data management are improved.

This application provides a robot localization method, a computer program product, and a storage medium. The robot localization method includes: acquiring image data and odometer data of a target cage during robot movement; acquiring coordinate information of feature structures on the target cage from the image data; and determining the robot's localization data based on the coordinate information and the odometer data. This eliminates the need for additional QR code tags, positioning base stations, etc., reducing costs and making the robot less susceptible to interference. Furthermore, by combining the coordinates of feature structures in the image with the odometer data, the robot's position can be comprehensively determined, improving the accuracy of robot localization.

The invention relates to the technical field of nuclear power construction, in particular to a nuclear island pipeline simulation installation method and system based on a digital system, and the method comprises the steps: obtaining nuclear island region information and installation demand information, and determining nuclear island structure information, region environment parameters and pipeline distribution information according to the nuclear island region information; constructing a pipeline area model of the nuclear island pipeline based on the nuclear island structure information, the area environment parameters and the pipeline distribution information; and performing suitability analysis on the pipeline area model according to the installation demand information to obtain a target installation point location and an optimal installation scheme, thereby improving feasibility and reliability of nuclear island pipeline installation.

The utility model discloses a positioning tool for aluminum frame welding, which comprises a horizontally arranged base plate, an adjusting seat moving in a 45-degree inclined direction is connected onto the base plate in a sliding manner, an upper positioning spoke is arranged on the adjusting seat, a left positioning shoulder is arranged on the left side of the adjusting seat, and a lower positioning shoulder is arranged on the right side of the adjusting seat. A fixed guide seat which is connected with the adjusting seat and moves along with the adjusting seat is arranged below the adjusting seat, a guide rod which moves up and down is connected to the fixed guide seat in a sliding mode, a movable guide seat which moves close to or away from the fixed guide seat is arranged on the guide rod, and a lower positioning spoke is arranged on the movable guide seat. A first locking screw with the end abutting against the base plate is connected to the adjusting base in a threaded mode, and a second locking screw with the end abutting against the guide rod is connected to the fixed guide base in a threaded mode. The positioning tool has the advantages of being convenient to clamp and high in adaptability. The overall function is complete and the practicability is high.

This application provides a pulsed electric field ablation catheter, comprising: a tube body, the tube body including a first tube body segment, a second tube body segment, and a third tube body segment connected in sequence, the second tube body segment being deformable; a handle connected to the third tube body segment; an inner tube sleeved on the tube body and movable along the axial direction of the tube body; an electrode assembly connecting the inner tube and the first tube body segment, the electrode assembly being deformable when the inner tube moves relative to the tube body to adjust the position of the electrodes in the electrode assembly; and an operating mechanism disposed on the handle and connected to the second tube body segment and the inner tube, used to control the deformation and bending of the second tube body segment, and to control the movement of the inner tube relative to the tube body, which can stop at any position within the range of movement. This application uses a dual adjustment mechanism of changing the state of the electrode assembly and the deformation and bending of the second tube body segment to adjust the position of the electrodes, greatly improving the range of electrode position adjustment and increasing the flexibility of surgical operation.

The utility model discloses a mounting mechanism of an insulating part for stator iron core monomer processing. The device comprises a platform panel, a placing plate and a lower pressing plate are arranged on the platform panel, the placing plate is arranged above the platform panel, the placing plate and the platform panel are fixedly connected through a plurality of fixing columns, a plurality of movable ejector blocks are arranged on the upper end face of the placing plate, the movable ejector blocks are annularly distributed on the placing plate, and the movable ejector blocks and the placing plate are in sliding connection. The lower pressing plate is located over the containing plate, and the lower pressing plate and the platform panel are movably connected up and down. The beneficial effects of the utility model are that the insulating part can be comprehensively positioned; the fixing effect on the insulating part is improved; the motion precision is improved; the insulating part is convenient to take down; operation is convenient, and the fixing effect is good; and an effect of protecting the insulating part is achieved.

The invention discloses a high-altitude area forest fire hot spot identification and positioning system, and relates to the technical field of forest fire monitoring. According to the invention, a plurality of monitoring devices are arranged on a fixed base station, a high-altitude area is divided into a plurality of grids based on the position and the monitoring range of the base station, and the distance between each grid and the base station is measured, so that accurate positioning is realized; the system utilizes multiple comparative analysis modules to confirm the authenticity and spreading trend of suspected mountain fire hotspots through comparative analysis of infrared thermal imaging data and high-definition visible light images, real-time transmission of data is ensured through a data transmission module, and the system can be controlled in response to an external instruction; meanwhile, according to the position of the forest fire hot spot and the environmental sensitivity, the alarm module automatically carries out grading early warning and notifies related personnel in various modes of pushing short messages, mails or sound-light alarms and the like, so that the forest fire prevention and emergency response capabilities of the high-altitude area are effectively improved.

The present application relates to the technical field of screw detection, and discloses a precision ball screw pair detection system and method, which comprises an image enhancement module, a feature extraction module, a reference image generation module, a defect image determination module, a defect area positioning module and a monitoring report generation module, wherein: a multi-angle original image sequence is subjected to visual enhancement processing to obtain an enhanced image; multi-dimensional feature extraction is performed on the enhanced image to obtain a multi-dimensional feature image set; the ball screw pair is reversely mapped into a pixel grid of the enhanced image to obtain an optical simulation reference image; the optical simulation reference image and the multi-dimensional feature image set are subjected to causal inference, and an initial defect atlas is determined according to the inference result; conditional area decoupling is performed on the enhanced image to obtain a defect image area; and the multi-dimensional feature image set is subjected to multi-element correlation analysis to generate a defect detection report; the present application can improve the accuracy of precision ball screw pair detection.

The parking cabin comprises a cabin body and a cabin door, a supporting table and a parking table are sequentially arranged in the cabin body and connected to form an unmanned aerial vehicle parking area, a lifting assembly is arranged between a cabin body base and the supporting table, the height of the parking table can be adjusted, and therefore the space size of the parking area is adjusted; a positioning assembly is installed between the supporting table and the parking table, comprises a first adjusting gear, a second adjusting gear, a first adjusting rod and a second adjusting rod, is driven by a first driving motor and achieves adjustment through cooperation of a rack. The positioning assembly further comprises a longitudinal positioning rod, a transverse positioning rod and a vertical rod, the vertical rod is connected with the first connecting rod, the second connecting rod and the positioning rod and slidably arranged in a receding groove of the parking platform, and a charging platform is arranged on the parking platform and used for parking and charging of the unmanned aerial vehicle. The space is adjusted through the lifting assembly, accurate parking of the unmanned aerial vehicle is ensured through the positioning assembly, rapid charging is achieved through the charging table, the overall structure is compact, the functions are comprehensive, and an efficient and safe parking and charging solution is provided for the unmanned aerial vehicle.

The invention discloses a satellite positioning enhancement method based on spatio-temporal information fusion. The method comprises the following steps: building a reinforcement learning environment by following a Markov process; introducing a self-supervised representation learning module, and constructing a basic model of a deep reinforcement learning network based on Transform space-time fusion representation; and training the basic model based on the reinforcement learning environment. By using the method, the interaction between satellite measurement time characteristics and spatial characteristics is considered, and the dependency relationship between vehicle position sequence points is considered, so that the state information of the current environment can be described more comprehensively, and the positioning precision of the model in the urban complex environment is further improved. The method can be widely applied to the field of satellite positioning.

This invention discloses a zoned drainage network monitoring system, comprising: a data acquisition module for acquiring the number of times a target network is identified as having problems within a target time period; a data processing module for calculating and obtaining target network parameters; a data analysis module for performing data analysis on the target network parameters against a first threshold and a second threshold, and adjusting the monitoring method for the target network; a plotting module for plotting a network parameter fluctuation diagram and an adjusted network parameter fluctuation diagram; and a comparative analysis module for comparing and analyzing the fluctuation values ​​in the network parameter fluctuation diagram and the adjusted network parameter fluctuation diagram, thereby verifying whether the adjustment of the target network monitoring method is an optimized solution. This invention enables different monitoring methods to be used for different networks, reducing monitoring costs and providing more precise monitoring of the network.