A laser slam-based indoor positioning and navigation method

An indoor positioning and laser technology, applied in the field of positioning and navigation, can solve indoor positioning and other problems, and achieve the effect of improving positioning efficiency, reducing similarity, and accurate indoor navigation
CN108981701BActive Publication Date: 2022-05-10GUANGDONG ELINK INFORMATION TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGDONG ELINK INFORMATION TECH
Publication Date
2022-05-10

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Abstract

The invention relates to an indoor positioning and navigation method based on laser SLAM, comprising the following steps: S1. Constructing an indoor global map using laser SLAM technology; The sub-area map divides the room into several sub-areas through the electronic fence; S3. The robot walks in the electronic fence and uses laser SLAM technology to build a local map, and searches for the matching sub-area map according to the local map and obtains the current position. Even if the building structure and the distribution of functional rooms in different indoor places are the same, the present invention can realize accurate indoor positioning and navigation.
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Description

technical field

[0001] The invention relates to the technical field of positioning and navigation, in particular to an indoor positioning and navigation method based on laser SLAM. Background technique

[0002] Inside a building with a complex structure and many functional rooms, it is easy for people to lose their way and find their desired destination. At present, the commonly used positioning and navigation method is to use satellite positioning system, such as GPS or Beidou, but because the positioning signal received by GPS or Beidou in the indoor environment is weak, the positioning error is large, and sometimes it will even fail, so how not to Relying on the satellite positioning system to complete the precise positioning of personnel indoors has become a difficult problem.

[0003] Laser SLAM (simultaneous localization and mapping) is a technology for instant positioning and map construction. It uses laser radar to collect object information and presents a series of...

Claims

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