Research Article

High-Accuracy and Real-Time Indoor Positioning System Based on Visible Light Communication and Mobile Robot

Table 1

Parameters in this paper.

Camera specifications

ModelMindVision UB-300
Pixel (H × V)2048 × 1536
Time of exposure0.02 ms
Type of shutter acquisition modeElectronic rolling shutter
Acquisition modeSuccessive and soft trigger

Turtlebot3 robot specifications

ModuleRaspberry pi 3 B
CPUQuad core 1.2 GHz broadcom BCM2837
RAM1 GB
Operating systemUbuntu mate 16.04

Remote controller specifications

ModuleAcer VN7-593G
CPUQuad core Intel® Core™ i7-7700HQ
Operating systemUbuntu 16.04 LTS

System platform specifications

Size (L × W × H)146 × 146 × 285cm3

LED specifications

Coordinates of LED1 (cm)(13, 159, 285)
Coordinates of LED2 (cm)(159, 159, 285)
Coordinates of LED3 (cm)(159, 13, 285)
The half-power angles of LED/deg (ψ1/2)60
Current of each LED300 mA
Rated power18 W
Optical output1500l m @ 6000 K
LED modulation frequency5 kHz
Diameter of each LED150 mm