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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-2026048517-A1, on 19 February 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000002741

Robot positioning method based on multiple layers of grid maps, and chip and laser robot

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Classification
Robotics & Automation › Robot Architectures
Inventors
HE ZAISHENG, HUANG LIYING, LAI QINWEI, WANG YUELIN, XIAO GANGJUN, XU DENGKE
Assignee
AMICRO SEMICONDUCTOR CO LTD
Original source
US-2026048517-A1, the United States Patent and Trademark Office, 19 February 2026
Document SHA-256
0cb8d7605a77d5ded243fa0bfca9b63f53f5c9785966ee15b16de1fb8f56ca68

Abstract

A robot positioning method includes: collecting, by a robot, data of laser points by using a laser sensor; obtaining multiple layers of grid maps layer by layer in order from low resolution to high resolution; traversing candidate solutions in a current layer of grid map; controlling a plurality of occupancy probability values obtained correspondingly for the data of laser points at a currently traversed candidate solution to be sequentially summed when the robot determines that the currently traversed candidate solution is a feasible solution; setting, based on a ratio of a resolution of a next layer of grid map to a resolution of the current layer of grid map, the determined feasible solution as a candidate solution of the next layer of grid map; recursively determining feasible solutions in candidate solutions of the layers of grid map in the order from low resolution to high resolution.

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Citation

OpenTechnical Publication OT-2026-000002741, “Robot positioning method based on multiple layers of grid maps, and chip and laser robot,” published September 15, 2026 at 19:15:03 UTC, https://opentechnical.org/p/OT-2026-000002741.

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