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A low-speed vehicle positioning method and device based on space optical communication technology

A technology of space optical communication and positioning method, which is applied in the direction of location information-based services, measuring devices, free space transmission, etc., and can solve the problems of direction error, inability to accurately determine heading, inability to locate and track, etc.

Active Publication Date: 2021-01-26
BEIJING LEADPCOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the direction error of the strapdown inertial navigation system will continue to accumulate over time, and the direction error can only be corrected by the magnetic compass, when the magnetic field interference in the indoor environment is large, it will bring obvious direction errors, which cannot be accurately judged. Current heading, so accurate positioning tracking is not possible

Method used

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  • A low-speed vehicle positioning method and device based on space optical communication technology
  • A low-speed vehicle positioning method and device based on space optical communication technology
  • A low-speed vehicle positioning method and device based on space optical communication technology

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Embodiment Construction

[0048]In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without ...

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Abstract

The present application provides a low-speed vehicle positioning method and device based on spatial optical communication technology. The method includes: determining the current position of the mobile device according to the optical signal sent by the light source received by the spatial optical signal receiving device; When it coincides with the target trigger position, the current magnetic field strength value of the mobile device at the target trigger position is obtained through the inertial navigation system; according to the historical magnetic field strength error value and the current magnetic field strength value, the magnetic field strength value of the mobile device at the target trigger position is calculated; the historical magnetic field The strength error value is obtained according to the historical magnetic field strength value obtained every time the mobile device moves to the target trigger position; according to the magnetic field strength value, the heading of the mobile device is determined to track the mobile device. The application provides a low-speed vehicle positioning method based on spatial optical communication technology, which can accurately determine the heading of the mobile device at the current position, and then perform positioning and tracking on the mobile device.

Description

technical field [0001] The present application relates to the field of space positioning technology, in particular to a low-speed vehicle positioning method and device based on space optical communication technology. Background technique [0002] Spatial positioning technology refers to the research objects of geographic information system, remote sensing and global positioning system, including spatial information, spatial model, spatial analysis and spatial decision-making. Global positioning system and remote sensing are used to obtain point and area spatial information or monitor its changes respectively, and geographic information system is used for storage, analysis and processing of spatial data. Spatial positioning technology includes outdoor positioning technology and indoor positioning technology. Indoor positioning technology refers to the realization of position positioning in the indoor environment. Position monitoring of people, objects, etc. in indoor spaces....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/029H04B10/116G01C21/16G01C21/00
CPCG01C21/005G01C21/165H04B10/116H04W4/029
Inventor 李晓孟令伟张晓东
Owner BEIJING LEADPCOM TECH
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