An unmanned aerial vehicle positioning system based on multi-modal fusion

By using a multimodal fusion UAV positioning system, an adaptive tightly coupled filtering algorithm based on satellite positioning, laser point cloud, and inertial measurement data is employed to solve the problems of discontinuous positioning and insufficient integration of UAVs in complex environments, thereby achieving high-precision autonomous flight.

CN122110170APending Publication Date: 2026-05-29CHONGQING JIUZHOU XINGYI NAVIGATION EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHONGQING JIUZHOU XINGYI NAVIGATION EQUIP CO LTD
Filing Date
2026-01-28
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing UAV positioning technology struggles to provide continuous, stable, and high-precision positioning information in complex and ever-changing environments, and its insufficient integration with flight control systems limits its autonomous flight capabilities.

Method used

The UAV positioning system adopts multimodal fusion, which integrates satellite positioning, environmental laser point cloud and inertial measurement data. It performs data fusion through an adaptive tightly coupled filtering algorithm, and encapsulates the positioning results into a standard satellite navigation protocol format before sending them to the flight control module.

Benefits of technology

It achieves continuous, stable, and high-precision positioning of UAVs in complex environments, ensuring fully autonomous inspection flight capabilities and seamless integration with existing flight control systems.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122110170A_ABST
    Figure CN122110170A_ABST
Patent Text Reader

Abstract

The application provides a kind of unmanned plane positioning system based on multi-modal fusion, applied to unmanned plane positioning technical field, satellite positioning data, environmental laser point cloud data and first inertial measurement data are collected by multi-modal sensing module;Fusion calculation module is used to calculate positioning result and update state to observation value, and the positioning result is packaged as data packet of preset satellite navigation protocol format, and the data packet is sent to flight control module;Flight control instruction is generated by flight control module.Therefore, the application has the advantages of providing continuous, stable, reliable high-precision positioning information in complex and variable environment, and can be deeply integrated with flight control system, realizing full autonomous and high-precision inspection of unmanned plane.
Need to check novelty before this filing date? Find Prior Art