432 results about "Target line" patented technology

The invention provides a deicing control method and system for a power transmission line in a cold region, and relates to the technical field of power system power transmission line operation and maintaining.The method comprises the steps that icing data of the power transmission line are collected, the icing data are multi-source data and comprise the ice layer thickness, the ice type category and the distribution characteristic, and the ice layer thickness, the ice type category and the distribution characteristic are obtained by combining environment temperature, humidity and geographical location information; dynamically selecting a plurality of spatial sampling positions on the target line to construct a spatial correlation area for feature analysis; and obtaining correction parameters based on morphological characteristics of the spatial correlation region, performing spatial superposition and feature fusion analysis on the multi-source data according to the correction parameters, and extracting an icing feature set which is dynamically corrected and reflects the overall icing state of the line. According to the invention, differentiated ice removal in different climate areas can be realized, and intelligent deicing control of accurate identification, mode adaptation and closed-loop adjustment is realized in combination with multi-source monitoring data.

The invention relates to a power line network unknown port and branch discovery method and device and computer equipment. The method comprises the following steps: determining the number of unknown ports on a target line and the corresponding branch length according to the frequency response of a sweep frequency signal between a transformer substation and a target communication node; according to the frequency response of the sweep frequency signal, determining multipath parameters from the transformer station to the self-transmitting and self-receiving and from the transformer station to the target communication node; determining a first port closest to the substation according to the multipath parameter and the branch length, and determining a multipath channel response caused by the first port; and updating the frequency response of the sweep frequency signal according to the multipath channel response, and re-determining a first port closest to the transformer substation according to the updated frequency response of the sweep frequency signal until the number of unknown ports on the target line is zero. By adopting the method, the power line network topology can be accurately constructed.

The invention relates to the technical field of electromagnetic measurement, and discloses a line partial discharge positioning method and system based on pulse signal analysis, and the method comprises the steps: carrying out the band-pass filtering of pulse signal data, and obtaining a preprocessing signal; constructing a waveform template library based on the historical partial discharge pulse waveform data; screening out a partial discharge pulse and an interference pulse in the preprocessed signal to obtain a pulse matching result of the preprocessed signal; determining time difference data of the preprocessed signal according to time differences of pulses reaching different sensors in the pulse matching result; constructing an initial propagation velocity model according to the parameters and the environment data, performing iterative optimization on the initial propagation velocity model according to the time difference data, and determining an initial position of a partial discharge source in the line; correcting the initial propagation velocity model according to the initial position and the actual propagation path to obtain a target propagation model, and determining position coordinates of a partial discharge source in the target line according to the target propagation model; according to the invention, the accuracy of line partial discharge positioning can be improved.

The embodiment of the invention provides an ink line detection method and system, electronic equipment and a storage medium, and relates to the technical field of building construction, and the method comprises the steps: obtaining point cloud data corresponding to a building; generating a panorama according to the point cloud data; segmenting the panorama into a plurality of image blocks, and respectively inputting the image blocks into a pre-trained ink line detection model to obtain a corresponding detection result image; and obtaining the position of a target ink line in the building according to the point cloud data and the detection result graph corresponding to each image block. In this way, the panorama is generated through the point cloud data, the panorama is input into the ink line detection model for detection, the detection result graph is output, the position of the target ink line is restored according to the point cloud data corresponding to the ink line in the detection result graph, automatic and accurate detection of the ink line is achieved, manual detection is replaced, and the detection efficiency is improved. Error accumulation caused by ink line mixing under the conditions of cracks, recesses and the like is reduced, the measurement difficulty under the condition that the ink lines are abraded or shielded is reduced, and the detection efficiency and precision of the ink lines are improved.

The invention discloses a multi-target line spectrum feature distinguishing method based on Single-link hierarchical clustering. The multi-target line spectrum feature distinguishing method comprises the following steps: step 1, performing short-time frequency modulation Fourier transform; step 2, extracting line spectrum frequency modulation slope identifiable features; step 3, outliers are removed; and step 4, Single-link clustering analysis and result output are carried out. In order to solve the problem that multi-target line spectrum features are difficult to identify in an underwater acoustic complex environment, frequency modulation slope matrixes of different frequencies and different time are extracted through short-time frequency modulation Fourier transform and serve as line spectrum identifiable features, and a Single-link hierarchical clustering method is utilized to process different-frequency identifiable feature sets. Finally, a line spectrum set of different targets is obtained, and multi-target line spectrum feature resolution is realized. A data analysis result shows that the method can effectively distinguish line spectrum features from different targets, lays a foundation for subsequent extraction of target motion features and realization of multi-target positioning, and has good engineering practical value.

The invention relates to the technical field of alignment control, in particular to a cloth turning seam allowance alignment control system based on machine vision, which comprises a gray wave crest identification module, a seam allowance edge identification module, an image segment alignment judgment module, a tension direction correction module and an alignment track adjustment module. According to the method, the recognition capability of image processing on edge distribution is enhanced by constructing a gray wave crest track, analyzing the distance stability and slope change between wave crests and accurately extracting a pattern rhythm region, structure recognition is carried out by utilizing the direction features and coordinate positions of gray abrupt change points, the dependence on a static feature template is avoided, and the accuracy of structure recognition is improved. According to the method, the adaptability of edge recognition is improved, alignment judgment is carried out between image segments through the direction consistency and coordinate trend relation of abrupt change points, dynamic recognition of inter-segment continuity is enhanced, the change of the included angle between the tension direction and the target connecting line drives selection of standby points and updating of target points, and the direction adaptability of the target points under tension disturbance is improved.

The invention discloses a 10kV overhead line adaptive evaluation method and system for non-power-cut operation, and the method comprises the following steps: obtaining the field data of a target line, and constructing the field data into a multi-dimensional evaluation feature vector according to a preset evaluation dimension system for non-power-cut operation; inputting the multi-dimensional evaluation feature vector into a non-power-cut operation adaptability evaluation model to obtain a comprehensive evaluation score and an optimization suggestion of the target line; outputting the comprehensive evaluation score and the optimization suggestion; wherein the non-power-cut operation adaptability evaluation model is constructed by the following steps: training to obtain an initial machine learning model; simulating a preset non-power-cut operation task flow in the digital twinborn body; and performing incremental training and parameter optimization on the initial machine learning model by using operation effect data fed back after actual operation of the simulation data vector. The problems of single evaluation dimension, model stiffness and the like in the prior art can be solved.

The invention provides a power transmission line deicing equipment clamping control method and device, and relates to the technical field of power system operation and maintenance, and the method comprises the steps: receiving initial drop point position information, and obtaining a clamping starting instruction based on the initial drop point position information; synchronously acquiring image data and attitude data of a target line according to the clamping starting instruction, processing the image data, and extracting morphological characteristics and icing area characteristics of the surface of the line; classifying and identifying the surface state of the circuit according to a preset rule, and judging whether a clamping condition is met or not according to an identification result; if it is judged that the clamping condition is met, the spatial relation between the line surface morphology and the icing area is analyzed by fusing the image data and the attitude data, and selection of clamping points is optimized by calculating the polygon overlapping percentage between the clamping target area and the expected clamping position. According to the invention, the deicing equipment and the power transmission line can be accurately and stably clamped.

The invention relates to a fault positioning method, device and equipment based on multi-terminal magnetic field traveling wave error correction. The method comprises the following steps: acquiring multi-terminal transient magnetic field traveling waves and a spatial position vector of each magnetic field sensing element at the moment that a target line has a fault; processing each transient magnetic field traveling wave to obtain a central fault waveform; performing waveform sliding alignment processing on all transient magnetic field traveling waves according to the central fault waveform to obtain an alignment time difference matrix; and acquiring a traveling wave propagation speed and a time difference and spatial difference inversion model, and performing inversion error solving by adopting the time difference and spatial difference inversion model according to the traveling wave propagation speed, the spatial position vector and the alignment time difference matrix to obtain a fault point position. According to the method, transient state magnetic field traveling waves at multiple ends at the moment that a target line breaks down are processed to obtain an alignment time difference matrix, and a time difference and spatial difference inversion model is adopted to carry out inversion error solving in combination with a spatial position vector to obtain the position of a fault point of the target line, so that high-precision fault positioning is realized.

The invention provides a log retrieval method and device, equipment and a storage medium, and relates to the technical field of computers. The method comprises the following steps: receiving a log query request, wherein the log query request comprises a query time period and an identifier of a first service; obtaining identifiers of second services which can be provided in the server, identifiers of a plurality of first log files corresponding to each second service, time information of each first log file, and start time and line numbers corresponding to a plurality of groups of log data in each first log file; on the basis of the query time period, the identifier of the first service, the identifier of each second service and the multiple pieces of time information, determining the identifier of a second log file in the identifiers of the multiple first log files; determining a target line number corresponding to the query time period based on the start time and the line number corresponding to the multiple groups of log data in the second log file; and on the basis of the target line number, log data corresponding to the log query request is obtained in the second log file, so that the log retrieval efficiency is improved.

The invention discloses an icing thickness prediction method, apparatus and device, and a storage medium. The method comprises the steps of obtaining various meteorological data and corresponding real icing thicknesses in a target line area in real time; constructing an icing thickness prediction model and completing model optimization; taking the various meteorological data as the input of a prediction model, and outputting the predicted icing thickness; the target of the model optimization is to enable the error between the predicted icing thickness output by the model and the real icing thickness to be within a certain error range; and inputting various current meteorological data into the optimized prediction model to obtain a prediction value of the current icing thickness. According to the technical scheme of the embodiment of the invention, the icing thickness prediction precision can be improved.

The invention provides a transmission line dynamic switching optimization method and system, and relates to the technical field of data transmission, and the method comprises the steps: collecting the current fluctuation rate, the temperature rise rate and the historical fault frequency of each transmission line, so as to judge the potential fault risk of the corresponding transmission line, and when the comprehensive score is lower than a preset health threshold value, determining the potential fault risk of the corresponding transmission line; acquiring a load difference value between the slope of the power utilization curve in a preset time window and an adjacent time period so as to judge a load change trend of the corresponding transmission line; generating a corresponding line switching scheme based on the load change trend and the potential fault risk; and when the line switching scheme meets a preset operation safety threshold and a power supply continuity condition, executing line switching operation. Through the scheme, quantitative evaluation of the health state of the transmission line is realized, the potential fault risk and the load change trend can be accurately identified, it is ensured that the target line has enough power supply capacity and safety margin after switching, and the problems of incomplete risk evaluation and inaccurate scheme formulation in the transmission line switching process are solved.

The invention provides a circuit board defect detection method, device and equipment and a storage medium, and the method comprises the steps: generating multi-modal input data according to defect mask data of a defect image corresponding to a target circuit board and Gerber graph data of a preset circuit board design file, carrying out the linear overlapping block embedding processing, and generating coding features; performing spatial alignment on the defect image block feature of the coding feature and the reference image block feature of the Gerber image data to generate an aligned reference feature; performing style coordination on the alignment reference features and the defect image block features to generate local alignment features; carrying out feature fusion on the local alignment feature and the coding feature, and outputting a decoding feature; and mapping the decoding features to generate a repaired image. According to the method, the defects of the reference image can be repaired, so that the accurate reference image is provided for subsequent defect detection, misjudgment or missed judgment caused by the defects of the reference image is reduced, and the overall efficiency of a production line and the product quality control level are improved.

The application provides a display control method and device in a game, an electronic device and a storage medium. The method comprises the following steps: in response to a game image drawing instruction, identifying a target line-shaped element in a visual range; determining a feature adjustment value of each vertex on the target line-shaped element according to a positional relationship between each vertex and a virtual camera; and performing game image drawing based on the feature adjustment value of each vertex on the target line-shaped element. Through the application, the calculation consumption can be effectively reduced.

This application relates to a flow control method, apparatus, system, electronic device, and storage medium, applied in the field of flow control technology. The method includes: determining an initial policy based on a baseline flow in a target line; using the initial policy as a target policy; sending the target policy to a Domain Name System (DNS) server; sending the target policy to a flow feedback server, so that if the flow feedback server determines that there is a flow anomaly based on the current flow monitoring result corresponding to the node and the target flow, it sends a first flow anomaly result to a policy server; if the first flow anomaly result is received, determining the abnormal node in the target line based on the first flow anomaly result; replacing the abnormal node in the initial policy with the first target node to obtain the target policy, and returning to the step of sending the target policy to the DNS server, until there is no flow anomaly. This application can improve the accuracy of flow control by the DNS server.

Embodiments of the invention provide a map data processing method and apparatus, an electronic device and a storage medium. The processing method comprises the steps of obtaining a first pattern spot and first attribute data corresponding to the first pattern spot; according to the first attribute data, combining second pattern spots with adjacent positions and the same land utilization type in the first pattern spots, and combining second attribute data corresponding to the second pattern spots in the first attribute data to obtain third pattern spots and target attribute data; in the third pattern spots, eliminating non-sporadic ground feature pattern spots smaller than a preset area, and extracting long and narrow pattern spots and sporadic ground feature pattern spots to obtain target pattern spots; the long and narrow pattern spots are converted into target linear patterns, and the sporadic ground feature pattern spots are converted into target point-shaped patterns; and generating data of a target map according to the target pattern spot, the target linear graph, the target point graph and the target attribute data. According to the embodiment of the invention, the display effect after the map is shrunk can be effectively ensured.

The utility model discloses a kind of visual calibration device of astigmatism eye focal line, comprising: axial position scale board, board face is printed with E-type visual target for distant visual detection;Cross visual target disc, coaxially rotatably embedded in through-hole;Several groups of pinholes, each group is arranged along visual target line two sides straight line, pinhole center connecting line is parallel with corresponding visual target line;Fixed shaft is through cross visual target disc center, and is mechanically connected with transmission device;LED light source, set in axial position scale board back surface.The utility model has beneficial effect: the utility model can provide clear and visible and invariable measured astigmatism eye objective existence astigmatism focal line of the person being examined, and can accurately determine the clear criterion that cross visual target line coincides with the focal line, so as to maximumly improve the accuracy of astigmatism eye astigmatism axial calibration, reduce the deviation of calibration astigmatism axial direction and actual astigmatism axial direction, improve determination accuracy and determination work efficiency.

The invention discloses a visual image processing method based on an automatic calibration system, and belongs to the technical field of machine vision, and the method comprises the steps: image collection and input: collecting an image containing a target line, transmitting the image data to an image processing module, and completing image format standardization and data loading; preprocessing the image; extracting edge information of the preprocessed image by adopting a Canny edge detection algorithm, and retaining edge features of the target line; performing straight line detection on the edge image by adopting probability Hough transform, setting a line segment length threshold and a gap threshold, screening to obtain a target line, and extracting pixel coordinates of the target line; and converting a target line pixel coordinate into an actual offset distance, correcting by combining with a system operation distance measured by an encoder to obtain a true value of the measured distance, and outputting the true value. According to the method, the problems of low image processing precision, poor robustness and insufficient real-time performance in a traditional automatic calibration system are solved, and the automatic calibration system is promoted to develop towards high precision, high automation and high robustness.

Embodiments of the present disclosure relate to a line-of-sight estimation method, device, equipment and medium, wherein the method comprises: obtaining a first eye image to be estimated for a line-of-sight direction, and a plurality of second eye images carrying line-of-sight direction information; combining the first eye image and each of the plurality of second eye images to obtain a plurality of image groups; obtaining correlation information between the plurality of image groups, and based on the correlation information between the plurality of image groups, obtaining line-of-sight difference information and weight information corresponding to each of the plurality of image groups; and based on the line-of-sight difference information and the weight information corresponding to each of the plurality of image groups, and the line-of-sight direction information carried by each of the plurality of second eye images, determining a target line-of-sight direction of the first eye image. Embodiments of the present disclosure can additionally determine the correlation information between the plurality of image groups, and determine the line-of-sight direction of the first eye image based on the correlation information, thereby effectively guaranteeing the accuracy and reliability of the final line-of-sight direction.

The invention discloses a method and a device for moving a middle line segment of routing in a circuit layout, a medium and equipment. The method comprises the following steps: acquiring a target line segment in the middle of a target line adopting broken line wiring in a circuit layout and a guide point outside the target line segment; determining a moving direction and a moving distance on a normal of the target line segment according to the position of the guide point; translating the target line segment for a moving distance in the moving direction to obtain a mirror line segment; searching a first intersection point of a straight line where the mirror image line segment is located and a straight line where a front line segment of the target line segment is located, and a second intersection point of a straight line where a rear line segment of the target line segment is located; the first intersection point and the second intersection point are used for replacing the first end point, connected with the front line segment, of the target line segment and the second end point, connected with the rear line segment, of the target line segment respectively, and line connection adjustment is conducted on the target line. According to the invention, other line segments can be kept relatively unchanged when the middle line segment of the routing is moved.

The invention provides a transport route generation method, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: generating a plurality of initial line sets according to a plurality of transportation lines in a transportation network; optimizing the plurality of initial line sets for multiple times according to a target optimization strategy to obtain a plurality of optimization results; the target optimization strategy comprises the steps of redistributing a to-be-optimized line set to which the target transportation line belongs; the target transportation route comprises a target route and at least one transportation route, and the distance between the transportation route and the target route is smaller than a target distance threshold; and according to an optimal result in the plurality of optimization results, outputting the transportation lines in the first type of line set in an original state, adjusting the transportation lines in the second type of line set into transportation lines in a center-radiation mode, and outputting the transportation lines. Compared with a manual wire arrangement mode, a larger and complex logistics network can be processed, and wire arrangement can be completed more quickly.

The invention discloses a flexible circuit board and a display device, and belongs to the technical field of display. The flexible circuit board provided by the invention is internally provided with a plurality of signal wires for connecting the electronic device and the plug-in connector. At least one signal line in the plurality of signal lines is a target signal line, the target signal line can comprise a first target line located in the first conductive layer and a second target line located in the second conductive layer, and the first target line is in lap joint with the second target line. Thus, the target signal wire can be arranged in multiple layers on different conductive layers, and the width of the part, located in the single conductive layer, of the target signal wire in the first direction does not need to be increased, so that the unit cross sectional area of the target signal wire can be increased and the impedance can be reduced while other signal wires are not influenced; the width of the flexible circuit board in the first direction can be ensured to be still small, and the utilization rate of the wiring space of the multiple conductive layers in the flexible circuit board can be improved.

The invention provides a mask configuration method and device of a contour scanning system and a storage medium. First contour data collected by a contour scanner for a measured object are obtained through an industrial personal computer and displayed; in response to a mask configuration instruction for a target row in the first contour data, configuring parameter information of a mask of the target row; and transmitting the parameter information of the mask to a contour scanner, so that the contour scanner shields an abnormal region in the contour data of the target row based on the mask when the target row is acquired in the process of acquiring the contour of the measured object, thereby obtaining second contour data of the measured object. According to the embodiment of the invention, the mask is configured for the target line in the first contour data of the measured object, so that the contour scanner can use the corresponding mask to shield the abnormal area when scanning the target line, thereby achieving the effective shielding of the abnormal area, preventing the mask from damaging the effective data, improving the quality of point cloud, and improving the accuracy of the point cloud. And the contour acquisition precision is improved.

A method of fabricating an electronic device includes providing a substrate including a non-discarded portion and a discarded portion adjacent to the non-discarded portion. A first test lead is formed extending through the non-discarded portion and the discarded portion. The substrate is cut in alignment with a target line, where the target line aligns a boundary between the non-discarded portion and the discarded portion. A first conduction test is performed on the first test lead. When a result of the first conduction test is a short circuit, it is determined that the substrate is in an off-target cut state, or when the result of the first conduction test is an open circuit, it is determined that the substrate is in a target cut state.

The invention discloses a method and a device for judging network access perception degradation, electronic equipment and a storage medium. The method comprises the steps that a first object of a target line is determined, the target line comprises a plurality of first cells, and the first cells are the network coverage range of a communication base station of each high-speed rail station on the target line; determining a third index based on the association degree of the first index and the second index; the first index is a key quality index of each first cell network, and the second index is an index of a network operation state and network technical performance of each first cell; the third index is a first index strongly related to the internet surfing perception of the first object; determining a first index threshold value of the third index, and determining a second object based on the third index and the first index threshold value; the second object is an object with degraded internet access perception in the first object; and determining the distribution condition of the second object in each first cell, and determining an abnormal cell according to the distribution condition. According to the method, the wireless network sensing condition of the high-speed rail line can be accurately judged.

A method for configuring a buffer and an image synthesis apparatus are provided. The image synthesis apparatus includes a memory, and the memory includes a plurality of line buffers. The method includes the following step: dividing, according to a plurality of depths of a plurality of target planes, each of a plurality of target line buffers into a plurality of sections for respectively storing row pixel data of the target planes. The sections correspond to the depths of the target planes, respectively.

A solar cell includes a solar cell body, a plurality of fingers, and a plurality of first interconnection structures. At least a part of regions of different first interconnection structures distributed at intervals along a second direction are collinear with a same connection line of a plurality of connection lines. A quantity of connection lines located on the same target surface is N1, a quantity of first interconnection structures intersecting with a target line segment located on the target surface is N2, and N2<½N1. The target line segment is a connection line segment between a midpoint of an edge that has a larger length in two edges of the target surface extending along a first direction and being arranged opposite to each other and a vertex-angle endpoint corresponding to an edge that has a smaller length in the two edges.

This invention discloses a method, apparatus, medium, and device for adjusting the multi-segment layout of circuit diagram traces. The method includes: determining a target line segment and its displacement point, and multiple pushing lines parallel to the target line segment located on the target line segment's movement path, wherein the slope and connection relationship of the preceding and following line segments remain unchanged during the target line segment's movement; selecting the pushing line segment closest to the target line segment as a comparison line segment, and sorting the pushing line segments according to a preset order; sequentially finding pushing line segments whose inflection points with the comparison line segments are not all located on opposite sides of each other as new comparison line segments, and selecting the other pushing line segments as merged line segments; sequentially moving each comparison line segment in the normal direction to a preset distance beyond the displacement point, and merging the two when it connects with the merged line segment during the movement; and moving the target line segment in the normal direction until it is collinear with the displacement point. This invention can automatically move other conflicting parallel line segments during the movement of the target line segment.

The application discloses a rail transit monitoring information playback method and device, equipment, medium and product, and relates to the technical field of data processing. The method comprises the following steps: reading a target line number and a playback time period from a received historical playback instruction; obtaining a plurality of historical rail transit data matched with the line number and the playback time period from a pre-constructed time sequence database table; wherein the historical collection time of the historical rail transit data is within the playback time period, and the historical rail transit data at least comprises historical ATS train operation monitoring data, historical ATS equipment monitoring data, historical integrated monitoring system monitoring data, historical passenger flow monitoring data and historical operation organization adjustment data; and sequentially outputting the plurality of historical rail transit data from early to late according to the historical collection time. The application effectively improves the efficiency and accuracy of fault judgment, and further improves the efficiency and accuracy of fault judgment of operation management personnel.

Embodiments of the present application disclose a kind of line board production control method and system based on data monitoring, method includes: the real-time monitoring data set of target line board production line is collected, real-time monitoring data set includes multiple continuous time series process parameter monitoring data and equipment operation monitoring data;Real-time monitoring data set is executed multidimensional time series feature extraction processing, generates the production time sequence state feature and process fluctuation correlation feature of target line board production line;Call production decision model to carry out state fusion processing to production time sequence state feature and process fluctuation correlation feature, generate the production control decision information of target line board production line;According to production control decision information, generate equipment control instruction set, and equipment control instruction set is transmitted to the execution terminal of target line board production line to realize production state adjustment operation.Therefore, accurate control to line board production process can be realized, and the stability and efficiency of production are improved.