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A positioning system for mobile robots using symmetrical rotating laser beams

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This paper proposes a new system for positioning and controlling a mobile robot over a wide area. The system uses particular laser beacons, each of which emits two symmetrical laser beams travelling in opposite directions around the beacon. The beacons are placed at two reference positions, and a photosensor carried on a mobile robot receives flashes from these beacons, yielding instantaneous data about the robot's position and coordinate plane. Before using a mobile robot, we tested the system with a stationary sensor. The tests proved that the system can provide precise positional measurements.

Document Type: Research Article

DOI: http://dx.doi.org/10.1163/156855390X00260

Affiliations: Mechanical Engineering Development Section, Equipment Department, Kajima Corporation, 2-7, Motoakasaka 1-Chome, Minato-ku, Tokyo 107, Japan

Publication date: January 1, 1989

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