12 results about "Path line" patented technology

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 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 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.

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 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.

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.