Path fusion planning method for passage area, robot and chip

A traffic area and path technology, applied in the direction of instruments, two-dimensional position/channel control, vehicle position/route/altitude control, etc., can solve errors, sensor cumulative error visual map optimization, and obstacle grids that cannot be bypassed, etc. problem, to achieve the effect of increasing the success rate

Pending Publication Date: 2021-07-23
AMICRO SEMICON CORP
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the robot enters these narrow passages, due to the slippage of the robot, the cumulative error of the sensor used for positioning, or the error caused by the optimization of the visual map, the robot is easy to mark these narrow passages as occupied by obstacles on the real-time grid map. area, causing the entrance of the narrow passage mapped

Method used

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  • Path fusion planning method for passage area, robot and chip
  • Path fusion planning method for passage area, robot and chip

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Embodiment Construction

[0027] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] It should be noted that those skilled in the art can understand that the environment information around the current position of the robot is marked in the grid map, and the grids in the map area constructed by the robot include those marked as free, occupied and Unknown (unknown) three states; These grids are represented by grid points in this embodiment, that is, the center point of the grid; the grid points in the idle state refer to the grids that are not occupied by obstacles, which are accessible to the robot. The grid position points of , are free grid points, which can form an unoccupied area; the occupied grid points refer to the grids occupied by obstacles, which are obstacle grid points, and can form an occupied area; unknown grid points A point refers to a grid area where the specific situation is not clear in the process of r

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Abstract

The invention discloses a path fusion planning method for a passage area, a robot and a chip, and the robot searches candidate paths for fusion in a narrow channel with many obstacles in advance. Then, the path fusion planning method is used for fusing a heuristic search algorithm and the candidate paths meeting the search conditions to plan an overall navigation path, and map grid marking errors are overcome, so that the navigation path planning problem of a robot in a passable area where marking errors are likely to be generated due to the fact that channels in a grid map are narrow is solved.

Description

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Claims

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Application Information

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Owner AMICRO SEMICON CORP
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