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Positioning system and positioning method and device thereof and robot

A positioning system and positioning method technology, applied in the field of positioning, can solve the problem of low positioning accuracy of the SLAM system

Active Publication Date: 2017-04-26
NINEBOT (BEIJING) TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a positioning system and its positioning method and device and robot, to at least solve the problem of low positioning accuracy of the SLAM system in the prior art

Method used

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  • Positioning system and positioning method and device thereof and robot
  • Positioning system and positioning method and device thereof and robot
  • Positioning system and positioning method and device thereof and robot

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0035] An embodiment of the present invention provides a positioning system.

[0036] figure 1 is a schematic structural diagram of a positioning system according to an embodiment of the present invention. Such as figure 1 As shown, the positioning system includes: a signal source 10 , a receiving device 20 and a SLAM system 30 .

[0037] The signal source 10 is configured to send out a visible light signal, wherein the visible light signal is a coded signal and carries information for indicating the location of the signal source.

[0038] Visible light is light in a specific frequency band that can be perceived by human eyes in the electromagnetic spectrum. The signal source 10 is used to emit visible light signals, which can be collected by camera devices, for example, by conventional RGB cameras of smart mobile devices. Optionally, the signal source 10 is a modulated light-emitting diode (Light-Emitting Diode, LED for short), and multiple LED lamps are uniformly deployed...

Embodiment 2

[0066] The embodiment of the invention also provides a robot.

[0067] figure 2 is a structural schematic diagram of a robot according to an embodiment of the present invention. Such as figure 2 As shown, the robot includes: a receiving device 20 and a SLAM system 30 .

[0068] The receiving device 20 is configured to obtain a visible light signal through visible light communication, and decode the visible light signal to obtain first position information of the signal source, wherein the visible light signal is a coded signal sent by the signal source, and carries a signal used to indicate the signal source location information.

[0069] The receiving device 20 may be a LIFI receiving device. The receiving device 20 receives the visible light signal through visible light communication, decodes the visible light signal, and obtains the first position information of the signal source. By analyzing the first position information, information such as distance and orientati...

Embodiment 3

[0078] The embodiment of the present invention also provides a positioning method of the positioning system. It should be noted that the positioning method of the positioning system in this embodiment may be executed by the positioning system in the embodiment of the present invention.

[0079] image 3 It is a flowchart of a positioning method of a positioning system according to an embodiment of the present invention. Such as image 3 As shown, the positioning method of the positioning system includes the following steps:

[0080] Step S301, acquiring a visible light signal through visible light communication.

[0081] In the technical solution provided in step S301 of the present invention, the visible light signal is obtained through visible light communication, wherein the visible light signal is a coded signal sent by the signal source and carries information indicating the location of the signal source.

[0082] Visible light communication is a communication method ...

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Abstract

The invention discloses a positioning system and a positioning method and device thereof and a robot. The positioning method includes the steps that visible light signals are obtained through visible light in a communication mode, wherein the visible light signals are coded signals sent by a signal source and carry with information for indicating the position of the signal source; the visible light signals are decoded, and the first position information of the signal source is obtained; a target object is positioned by an SLAM system according to the visible light signals, and first positioning information is obtained, wherein the SLAM system is arranged on the target object; the first positioning information is corrected according to the first position information, and second positioning information is obtained. By means of the positioning method, the effect that the positioning accuracy of the SLAM system is increased is achieved.

Description

technical field [0001] The present invention relates to the field of positioning, in particular to a positioning system, its positioning method and device, and a robot. Background technique [0002] At present, the positioning of a target object can be realized through a Simultaneous Localization and Mapping (SLAM for short) system, for example, the SLAM system is used for positioning and navigating a robot. The robot starts to move from an unknown position in the location environment. During the movement, the SALM system locates the robot, and builds an incremental map based on the robot's positioning, so as to realize the autonomous positioning and navigation of the robot. [0003] However, in some scenarios, due to factors such as light intensity, data processing accuracy, and depth recognition accuracy, the accuracy of locating and navigating the target object through the SLAM system is sometimes not high enough, for example, in dynamic lighting and dense crowds. In the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/00G05D1/02
CPCG05D1/0231G01C21/00
Inventor 陆见微
Owner NINEBOT (BEIJING) TECH CO LTD
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