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IJAT Vol.2 No.5 pp. 369-376
doi: 10.20965/ijat.2008.p0369
(2008)

Paper:

Navigation Using a Laser for a Mobile Robot with a Optical Sensor Array

Keigo Hara, Shoichi Maeyama, and Akio Gofuku

Graduate School of Natural Science and Technology, Okayama University
3-1-1 Tsushima-Naka, Okayama 700-8530, Japan

Received:
December 25, 2007
Accepted:
June 25, 2008
Published:
September 5, 2008
Keywords:
navigation, mobile robot, laser, optical sensor
Abstract

Mobile robot navigation using one laser source consists of a laser on the ceiling and a mobile robot. Users make a map showing the robot’s travel path. Based on the map information, the laser spot is automatically irradiated on the floor by laser robot. Then, the mobile robot detects the laser spot by optical sensor array and follows the trajectory of the laser spot. The optical sensor array we developed is composed of the phototransistors arranged in a matrix and it has 96 mm × 96 mm detecting area. Optical sensor array output consisting of digital signals is acquired in real time without image processing. Digital output simplifies the control circuit. We confirmed the feasibility of our proposed system through basic navigation experiments and found that one laser source was sufficient to navigate the robot.

Cite this article as:
Keigo Hara, Shoichi Maeyama, and Akio Gofuku, “Navigation Using a Laser for a Mobile Robot with a Optical Sensor Array,” Int. J. Automation Technol., Vol.2, No.5, pp. 369-376, 2008.
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