25 results about "Path line" patented technology

The invention relates to the technical field of pattern design intelligent optimization, in particular to an embroidery pattern optimization design method and system based on a machine learning model.The method comprises the following steps that a grey-scale map structure is obtained, edges are extracted to construct a direction node map, node intersection points are positioned to generate path vectors, boundaries are drawn according to the symmetrical relation to generate annotation map blocks, and the annotation map blocks are obtained. Establishing a pattern code generation structure label group, and extracting a repeated paragraph classification style to generate a style training sample label set; according to the method, a composition node map is constructed through the direction continuity of edge pixel points, path candidate intersection points are positioned through the intensity of node space distribution and are connected into skeleton path line segments, an edge structure closed area is extracted by using a path symmetric projection relation, and ordered association of a pattern structure and a pattern is realized. The pattern design process has the capabilities of being controllable in structure, adjustable in style and traceable in feature, and the intelligent level of composition processing and style induction is remarkably improved.

The invention discloses an unmanned rice transplanter operation path planning method, system and device and a medium, and relates to the technical field of agricultural machinery, and the method comprises the steps: obtaining boundary vertex coordinates of a to-be-transplanted field, and generating an internal reciprocating operation part boundary line through a boundary retraction method; and calculating the operation row number and the target row spacing according to the operation row number and the target row spacing, generating an intersection point of a seedling claw reciprocating operation straight line and a target boundary, performing extension and projection to obtain an internal reciprocating operation part operation path line, performing external expansion correction on an internal boundary line to form an outer ring sealing path, and combining the outer ring sealing path into a final path set. The single pair of seedling claws can be used as a minimum unit, unmanned seedling transplanting operation can be completed in any special-shaped field at a time, the invalid driving mileage is remarkably reduced, and the operation efficiency and quality are improved.

The invention provides an electromechanical pipeline intelligent layout and collision detection method based on a BIM model, and the method comprises the steps: firstly, carrying out the dynamic partitioning and weight evaluation of an available space of the BIM model based on a building structure, a functional region, a clear height requirement, a maintenance channel and other rules, and generating a space weight distribution diagram; secondly, combining electromechanical pipeline data, adopting an improved ant colony algorithm to calculate path segments in a weight navigation grid in a segmented manner, analyzing geometric conflicts between a path and a building component, an existing pipeline and a reserved hole in real time through a lightweight collision detection engine, dynamically generating an obstacle avoidance constraint and iteratively optimizing the path, and starting manual intervention if collision still exists; and finally, recording a successful obstacle avoidance scheme of manual intervention, and updating a spatial partition rule to optimize subsequent layout. According to the method, dynamic weight evaluation, real-time collision feedback and a rule self-learning mechanism are fused, so that the pipeline laying efficiency and the obstacle avoidance capability are remarkably improved, and the manual intervention requirement is reduced.

The application provides a blind guiding method and system based on real-time interaction and scene recognition, divides a route into path points and path lines, takes an entry point of a path line as a navigation focus, obtains scene information through a camera arranged on glasses, detects a current scene through software, interacts with local software through a button arranged on a blind stick when needed, and is silent for detection in most time, does not interfere with self detection and judgment of a user on a road, and has the advantages of simple structure, convenient use and low cost.

The invention discloses an all-weather unstructured orchard visual navigation system, which is characterized in that an improved CycleGAN image processing module is introduced to perform enhancement processing on an image acquired under a severe weather condition, interference factors such as rain, snow and fog in the image are effectively removed, the image quality is improved, and an improved YOLOv11-seg network is combined, so that the visual navigation precision of the orchard is improved. And high-precision and high-stability segmentation of the unstructured road region is realized. Meanwhile, a continuous, smooth and controllable navigation path is constructed based on a path line generation method of pixel mutation detection and cubic B-spline fitting, and path planning precision and operation stability in an orchard scene are guaranteed. The constructed all-weather unstructured orchard visual navigation system comprises three modules: an all-weather adaptation module based on the improved CycleGAN, a road segmentation module based on the improved YOLOv11-seg, and a navigation path line generation module.

The invention provides a path thermodynamic diagram generation method, a path thermodynamic diagram generation device and a computer storage medium. The path thermodynamic diagram generation method comprises the following steps: determining a plurality of path starting points in a map area; traversing combinations of every two path starting points to generate a plurality of path starting point pairs; generating a planning path of each path starting point pair; determining a thermal value of each path point in the planned path according to the slope of each path line segment of the planned path and the position of the intersection point of the path line segments; superposing the thermodynamic values of all the planned paths on the map area to generate a path thermodynamic diagram of the map area; and generating regional information according to the path thermodynamic diagram. Through the path thermodynamic diagram generation method, each region is accurately positioned by using the generated path thermodynamic diagram, and the precision of region detection and region segmentation is improved.

A metal inert gas arc welding process in which a multi-wire welding torch (40) is mechanized along a path to execute a predetermined weld seam on a workpiece (32, 100a, 100b, 101a, 101b), and in which a first arc (51) is generated between a first consumable wire electrode (50) and the workpiece, and a second arc (61) is generated between a second consumable wire electrode (60) and the workpiece to transfer wire electrode material into a weld pool, wherein the first wire electrode (50) is supplied by a first power source (4) and the second wire electrode (60) by a second power source (6), and at least a third wire (70) is fed directly into the weld pool, wherein the first and second wire electrodes (50, 60) and the third wire (70) are guided in the multi-wire welding torch (40) such that the wires exiting the multi-wire welding torch (40) (50, 60,70) essentially lie in a common plane (GE) and that in the common plane the first wire electrode (50) and the second wire electrode (60) form an angle of equal magnitude with opposite signs to the third wire (70), characterized in that, during the execution of the metal inert gas arc welding process, starting from a predetermined direction of movement of the multi-wire welding torch (40) to the path line, the multi-wire welding torch (40) is moved backwards on the path line without rotation of the multi-wire welding torch (40) to perform a reversal of movement, and with the beginning of the backward movement of the multi-wire welding torch (40), the third wire (70) is initially not fed into the weld pool, and thereafter, in a transition phase, a current source (5) of the third wire (70) is supplied starting from a predetermined initial operating value of at least one process parameter current,Voltage and feed rate are controlled to a predetermined steady-state operating value of at least one process parameter.

An integrated circuit and associated method of operation are provided for a target component coupled over a bus having multiple data path lines and a clock path line to an initiator component which generates a plurality of data bit signals and a first clock timing signal for transmission in parallel over the bus, where the initiator component includes transmit circuitry to launch a first plurality of even data bit signals over a first subset of the plurality of data path lines in response to a rising clock edge of the first clock signal and to launch a second plurality of odd data bit signals over a second subset of the plurality of data path lines in response to a falling clock edge of the first clock signal.

The invention discloses a three-dimensional cable arrangement implementation method and system based on a Bentley platform, and the method comprises the steps: building a topological relation containing nodes and edges based on a cable trench center line, a cable trench frame and equipment arrangement information in a BIM model; connecting the intersection points of the cable trenches in the topological relation, so that the connected cable trenches are communicated with each other in the topological relation; searching a starting node and a termination node of each group of cables in the topological relation, and calculating a plane shortest path of each group of cables by using a shortest path algorithm; each node through which the shortest path of the cable plane passes is obtained, cable trench racks corresponding to the corresponding nodes are found in sequence, and the arrangement position of each cable on each cable trench rack through which the cable passes is calculated; and generating a three-dimensional cable entity according to the arrangement position of each cable on each cable trench frame through which the cable passes. According to the method, the three-dimensional arrangement of the cables can be automatically realized under the condition that a user does not need to draw the trend path line of each group of cables.

The application relates to a transport route planning method for preferentially selecting an outlying service point, which comprises the following steps: determining the distance sum between each service point and its adjacent service points up to a preset number according to the distance information between all the service points in pairs, and screening out the outlying service points according to the distance sum ranking relationship; constructing adjacent edges by taking the screened out outlying service points and their adjacent service points as two ends of the adjacent edges; marking the two end service points of the adjacent edges as visited service points and / or merged service points according to the degree of the two end service points of the adjacent edges, so as to build an outlying path line; selecting any one of the unvisited service points as a starting point, and traversing all the unvisited service points respectively, so as to obtain a plurality of complete paths containing the outlying path line; and selecting the shortest path from the plurality of complete paths as an optimal complete path. The application can efficiently and accurately plan a short-distance route for a transport task in the presence of an outlying service point.

An integrated circuit and associated method of operation are provided for a target component coupled over a bus having multiple data path lines and a clock path line to an initiator component which generates a plurality of data bit signals and a first clock timing signal for transmission in parallel over the bus, where the initiator component includes transmit circuitry to launch a first plurality of even data bit signals over a first subset of the plurality of data path lines in response to a rising clock edge of the first clock signal and to launch a second plurality of odd data bit signals over a second subset of the plurality of data path lines in response to a falling clock edge of the first clock signal.

The invention discloses an interlayer staggered stacking path planning method for additive manufacturing. Obtaining a filling area contour of a model plane slice polygon, calculating a feature vector, and determining a grid arrangement direction, a starting point and a starting filling line segment; searching an adjacent line segment set connected with the end point of the previous line segment on the lower layer or the upper layer, marking all the adjacent line segments, selecting a transition line segment adjacent to the line segment, and if the other layer of branch line segments connected with the transition line segment are not marked, taking the transition line segment as the next line segment, and taking the transition line segment as the next line segment; and connecting the end points of the line segments end to end to form a continuous line segment as a filling path line formed by final planning until the other layer of branch line segments connected with all the adjacent transition line segments are marked. According to the method, in the additive manufacturing process, the number of short paths and idle strokes can be reduced, the frequency of frequent starting and stopping is reduced, and the working efficiency is improved. And meanwhile, the excessive accumulation condition of materials at the intersection point and the molding instability at the start-stop point are reduced.

The invention discloses an underground garage cleaning robot welt cleaning method and device and a medium, mainly relates to the technical field of welt cleaning, and is used for solving the problem that the existing scheme is weak in the aspects of path point safety inspection and dynamic adjustment, so that the robot is unstable in performance in a complex environment. Comprising the following steps: for an unsafe point, calculating a translation offset point, and replacing the unsafe point with the translation offset point; smoothing a preset path line related to the replaced path point to obtain an updated path point; according to the global path, the robot performs cleaning by using a pure tracking algorithm; in the cleaning process, according to the current linear speed of the robot, a look-ahead point related to a pure tracking algorithm is dynamically calculated; when reaching the preset edge area, measuring the actual distance with the wall in real time through a distance measuring sensor, and obtaining a welt error in combination with the expected welt distance; according to the welt error, updating and calculating a look-ahead point; and calculating the angular velocity of the robot by using the updated look-ahead point.

The application provides a blind guiding system based on online interaction and scene recognition, divides a route into path points and path lines, takes an entry point of a path line as a navigation focus, realizes scene information through a camera arranged on glasses, detects a current scene through software, interacts with local software through a button arranged on a blind stick when needed, can interact with a background system located at a remote end when facing a complex scene, includes checking real-time video shot by a camera of a user, so that more effective detection and judgment are obtained, although the application needs background calculation support in a use process, is only an enhanced and auxiliary means, and can also complete walking navigation in an offline mode, and has the advantages of simple structure and convenient use.

The present invention relates to the field of stone processing technology, specifically to a method and system for robot processing three-dimensional special-shaped stone, comprising the following steps: obtaining path segments and extracting particle images, dividing density categories to identify segments, classifying path segments to match load conditions and screening out indexes, mapping node coordinates to generate an interlaced segment table, extracting direction vectors and sequence information to identify continuous segments, adjusting posture angles to access trajectories, and generating a processing path set. In the present invention, by extracting particle images and dividing density categories, identifying particle distribution differences, combining spatial distribution grids to identify interlaced node areas, defining structural segments, jointly checking the consistency of path segment directions and sequential coherence, controlling path interruptions and jumps, analyzing the difference between the end posture and the carving surface direction and coordinating the angle adjustment, reducing cutting offset and contour misalignment caused by posture mismatch during processing, and enhancing path stability and carving coherence during the three-dimensional special-shaped stone carving process.

To provide a table structure of a plate processing machine in which number of driving sources is small to lift a roller supporting a plate, and a path line of a roller support can be the same as that of a brush support.SOLUTION: A table structure (TK) of a plate processing machine comprises: a rotary bar (33) which is horizontally arranged; a drive source (43) which rotates the rotary bar (33); a first roller unit (15) attached to the rotary bar (33) which can support a plate (W) to be processed; and a second roller unit (16) which supports a brush unit (2) with a brush part (22) supporting the plate (W). The first roller unit (15) and the second roller unit (16) are mounted at a position where one of them ascends and the other descends due to rotation of the rotary bar (33).SELECTED DRAWING: Figure 6

The invention provides a traffic project path comparison and selection method and system, and belongs to the technical field of traffic planning. The method comprises the following steps: constructing a basic traffic network, adding each scheme line position of a project, and setting traffic restriction information; creating an OD cell centroid node, and communicating the centroid node with the traffic network; constructing a project-free network and each scheme network, and setting impedance and limiting conditions; calculating the shortest path line and cost of each OD interval in the project-free network and each scheme network by taking mileage, time, cost and carbon emission as cost factors of impedance; on the basis of the acquired shortest path line and cost, generating an expected path comparison diagram of each OD interval in the project-free network and the optimal scheme network; and interval evaluation is carried out by adopting an entropy weight TOPSIS method, and a global optimal scheme is determined in combination with a weighted comprehensive scoring method. By calculating the expected path cost and the GIS circuit diagram under different impedances in the multi-scheme network, the analysis content of scheme comparison and selection is enriched, and the necessity of scheme construction is enhanced.

The application discloses a kind of concrete automatic pouring control method, system and related equipment, which is based on pouring range, plans the travel path of concrete pouring pipe discharge port;Then, according to the accuracy requirement, the pouring range is divided into several hierarchical pouring areas, the density of each pouring area is different, and the pouring pipe position parameter acquisition frequency is different.Furthermore, in each pouring area, the integration of key control points is determined according to the path line segment of pouring, and different density of constraint point set is formed between each group of control points according to the division of the pouring area.Finally, the direction and boundary optimization is carried out based on the path formed by key control points and constraint point set.The application can realize the effect of accurate pouring of concrete pouring control machinery along the intended route during movement by the concrete pouring process control method based on discrete point planning.

The invention discloses an anti-collision control method and system based on a multi-portal crane operation boom, and relates to the technical field of automatic control, and the method comprises the steps: collecting displacement and angle data in real time through an encoder installed on a mechanism, and calculating the real-time position and instantaneous rotation speed of the mechanism; according to the real-time position and speed of the portal crane, a geometric model is established to judge a collision risk area, and a parking sliding angle and a safety angle are calculated through a uniform acceleration model to reserve a deceleration distance; and judging a speed reduction path line segment of the portal crane boom based on a vector cross multiplication principle, dynamically adjusting a speed reduction strategy according to an intersection state, and issuing a control instruction. According to the method, real-time calculation is carried out based on encoder information through an anti-collision control algorithm, the distance and the relative speed between portal cranes can be rapidly judged, a shutdown instruction is sent out in time, and real-time accurate anti-collision is achieved; the stop position is calculated in real time according to the distance and the speed between the portal cranes through the uniform acceleration model, and the operation range and the operation efficiency of the portal cranes can be improved.

The invention relates to a salt pan wheel type ballast machine full-flow path planning method and device, and the method comprises the steps: firstly obtaining the boundary vertex coordinates of a to-be-operated salt pan parcel and the coordinates of the central position of a field entrance, and obtaining the boundary line of an internal reciprocating operation region through a boundary shrinkage method; determining the number of operation lines and a target line spacing based on the boundary line, and generating an internal reciprocating operation path; expanding the internal boundary line and correcting the intersection point to obtain an outer ring operation path; a field entering path is constructed by combining the position of a field entering opening, a field exiting path is constructed according to the position, opposite to the field exiting opening, of the last path line of the internal reciprocating operation, and finally a full-flow path set covering road field entering, field operation and operation field exiting is integrated. According to the running characteristics of the wheel type ballast moving machine and the salt pan operation scene, smooth connection of paths of all stages is achieved, full-period automatic coverage of operation is achieved, the problems that in the prior art, adaptability is insufficient, and the automation degree is low are solved, and core technical support is provided for large-scale unmanned application of the wheel type ballast moving machine.

The application relates to a field boundary recognition method and device based on agricultural machinery trajectories, equipment and a medium. The method comprises the following steps: obtaining dimensional information contained in a plurality of agricultural machinery trajectory points; obtaining a plurality of work path line segments based on the dimensional information; rotating the work path line segments to a work coordinate system according to a work main heading angle, and extracting a one-dimensional point column formed by the work path line segments in the direction of a target coordinate axis of the work coordinate system; performing autocorrelation analysis on a density distribution histogram constructed by the one-dimensional point column to determine an equivalent width estimation value; clustering the work path line segments based on the work path line segments and the equivalent width estimation value to obtain a plurality of work field region points; constructing a triangulation for each work field region point, eliminating triangles with a circumscribed circle radius greater than a preset threshold, and forming a target field boundary by using the remaining triangles. The entire process of the application is fully automated, the field boundary can be accurately fitted without manual intervention, and the application is suitable for complex field contours with convex and concave shapes.

This application provides a method, apparatus, device, and storage medium for detecting invalid turning points. The method includes: acquiring a target path point, a first path point, and a second path point on a target planned path, wherein the first path point is the previous path point of the target path point on the target planned path, and the second path point is the next path point of the target path point on the target planned path; detecting obstacles within the detection range of the target path point when the angle between the first path line and the second path line is not a straight angle, wherein the first path line is a line segment connecting the target path point and the first path point, and the second path line is a line segment connecting the target path point and the second path point; and determining the target path point as an invalid turning point on the target planned path if no obstacles are found within the detection range. This technical solution can detect invalid turning points on a planned path.

The invention provides a method, a device, a medium and equipment for determining line time delay of a specified path, which comprises the following steps of: segmenting a message forwarding path, distributing a unique identifier for each path segment, packaging a timestamp of each path segment in a forwarding process, and sending the packaged timestamp to a server; in this way, the path segment where the message is located, the processing time of each device node in each forwarding path and the transmission time of each segment of path can be rapidly and accurately determined according to the path identifier and the corresponding timestamp information, and measurement errors caused by disorder of the path information and the timestamp information are avoided; the path information and the corresponding timestamp information are clear and definite, so that an inaccurate measurement result caused by difficulty in transparent clock association in a multi-path transmission scene can be overcome; the influence caused by asymmetry of communication lines can also be avoided through a one-way path measurement mode; in addition, additional time delay measuring instruments do not need to be added, networking lines do not need to be damaged, application is flexible, and scene adaptability is high.

The appearance of content that guides a traveling path of a vehicle is improved. When a display control ECU shifts a path line, which is expressed by path line information included in map information for navigation, in a vehicle transverse direction in accordance with a distance along the vehicle transverse direction between a position of a vehicle and the path line, the display control ECU causes content to be displayed on a HUD at a corresponding position on the shifted path line.

The application relates to the technical field of automatic navigation trolleys, and discloses a multi-AGV control method and device, computer equipment and a storage medium method, which comprises the following steps: acquiring path line segments in a topological map and contour information of each type of AGV in a current scene; traversing the contour information of each type of AGV on each path line segment to obtain contour tracks of each type of AGV on each path line segment; creating a path conflict table according to interference conditions between two contour tracks; planning a task path for each AGV in the current scene, dividing each task path into a plurality of task path line segments; when a current AGV is controlled to execute a task, it is judged whether a certain type of AGV that is recorded in the path conflict table and that is likely to cause a conflict exists on other task path line segments that are likely to cause a conflict and that are inquired from the path conflict table; if the certain type of AGV exists, a subsequent driving task is paused until the conflict is removed; and if the certain type of AGV does not exist, the task is issued to the current AGV. The application can accurately prevent the collision of multiple AGVs.