Method and device applied to indoor location of mobile robot

A mobile robot and indoor positioning technology, applied in the direction of instruments, image data processing, closed-circuit television system, etc., can solve the problems of surrounding environment interference, sensor accuracy limitation, position and heading error, etc.

Active Publication Date: 2016-08-17
SMART DYNAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the accuracy limitation of the sensor itself and the interference of the surrounding environment that each positioning technology relies on, there are inevitably position and heading errors in indoor positioning.

Method used

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  • Method and device applied to indoor location of mobile robot
  • Method and device applied to indoor location of mobile robot
  • Method and device applied to indoor location of mobile robot

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Embodiment Construction

[0023] The present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure are shown. These embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these examples are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0024] Various implementations of the present invention will be described in detail below by way of examples with reference to the accompanying drawings.

[0025] figure 1 A flowchart illustrating a method 100 of prior art indoor positioning and navigation technology.

[0026] Step S110, creating an indoor map. The creation of indoor maps can use methods such as tape measure and laser rangefinder to measure the length and thickness of the wall and the position relative to the origin of the coordinates...

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Abstract

The embodiment of the invention relates to a method and a device applied to indoor location of a mobile robot. The method comprises the following steps: estimating the current location of the mobile robot according to the indoor location technique of the mobile robot; accessing a reference object database and selecting a real location and relevant reference images from the database; navigating the mobile robot to the selected real location; shooting images by using a camera matched with the mobile robot to obtain shot images; comparing reference object images included in the shot images with reference object images included in the selected reference images; and determining location errors generated by the indoor location technique of the mobile robot according to comparison results. Through the method and the device applied to indoor location of the mobile robot according to the embodiment of the invention, the indoor location of the mobile robot can be improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of indoor positioning of mobile robots, and more specifically, to error determination and error correction of indoor positioning of mobile robots. Background technique [0002] With the rapid development and maturity of mobile robot technology, the application of mobile robots in indoor environments such as homes and public places is becoming more and more extensive. Various services and applications based on mobile robots require mobile robots to be able to know their own positioning information in real time, including their own position and heading, and then they can accurately reach the destination according to the planned path to complete the specified tasks. Therefore, indoor localization is one of the key technologies in the field of mobile robotics. [0003] Various technologies have emerged for indoor positioning, such as ultra-wideband technology, wireless local area (WLAN)-ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/20G06T7/00H04N7/18
Inventor 殷红刘彪王可可刘英英
Owner SMART DYNAMICS CO LTD
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