StarGazerTM is a unique world best solution, a sensor system for Indoor localization of intelligent mobile robots. It analyzes infrared ray image reflected from a passive landmark with characteristic ID. The output of position and heading angle of a robot is given with very precise resolution and high speed. It is remarkably strong for surroundings such as an infrared and fluorescence lights and sunshine. It is the world best in performance, convenience and cost.

StarGazerTM

Hardware interface
UART(TTL 3.3V), 115200bps
Size
50×50×28 mm
Communication Protocol
User protocol based on ASCII code
Measurement Time
10-20 data/sec
Localization Range
(per a Landmark)
2.5~3.0M in diameter (for ceiling height 2.4M)
Repetitive Precision
5mm
Heading Angle Resolution
1 degree
Landmark Types
(Classification for height range)
Type 1: 1.2 < height < 2.7 m
Type 2: 2.7 < height < 4.0 m
Type 3: 4.0 < height < 6.0 m
Type 4: 6.0 < height < 15.0 m
Landmark Types
(Classification for total ID numbers)
HL1: 31 EA (General Type)
HL2: 4095 EA (Very Large Area)
Power Consumption
5V : 300mA, 12V : 70mA
•Compact, light weight, high sensitivity and sound pressure.
• Narrow directional response, 25~30/60~70 degrees in vertical direction to minimize the reflection of unwanted sound waves.
• Very wide beam directivities, 150, 180, and 200 degrees in horizontal direction to detect obstacles much effectively without any dead zone in the front side of mobile robot.
• These sensors are patent goods specialized for intelligent robot.
• By using only about the half of the quantity of conventional sensors, obstacles were detected on the whole front side of a mobile robot.
• Application : Obstacle detection and environment recognition of a mobile robot.


Part No.
Freq. (kHz)
Directivity (°)
Detectable Range (M)
Horizontal
vertical
HG-[L/M/U]40[T/R/D]AI-1
40
150
60~70
5
HG-[L/M/U]40[T/R/D]AI-2
40
180
60~70
4
HG-[L/M/U]40[T/R/D]AI-3
40
200
60~70
3
HG-[L/M/U]40[T/R/D]AII-1
40
150
25~30
5
HG-[L/M/U]40[T/R/D]AII-2
40
180
25~30
4
HG-[L/M/U]40[T/R/D]AII-3
40
200
25~30
3

  • Compact, Light Weight, and High reliability.
  • Small diameter sensor with anisotropic beam directivity.
  • Above the 150 degrees in horizontal direction and 110~120 degrees in vertical direction.
Part No.
Freq. (kHz)
Directivity (°)
Detectable Range (M)
Horizontal
vertical
HG-[L/M/U]40[T/R/D]MA
40
>150
110~120
3~5
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