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JRM Vol.8 No.5 pp. 467-472
doi: 10.20965/jrm.1996.p0467
(1996)

Paper:

On Sign-board Based Inter-Robot Communication in Distributed Robotic Systems

Jing Wang

Bourns College of Engineering, University of California, Riverside, CA 92521-0425, USA

Received:
June 6, 1996
Accepted:
July 10, 1996
Published:
October 20, 1996
Keywords:
Distributed robotic systems, Inter-robot communication, Multiple agent systems
Abstract

Inter-robot communication based on the conceptual mechanism of “sign-board” in Distributed Robotic Systems (DRS) is discussed. Equipped by each robot, a sign-board can be written only by the robot that carries it, and be read by robots in the neighborhood. Consistent with DRS principles, the sign-board model is not supported by any centralized mechanism, and is considered a natural way of interaction among autonomous robotic units. It is shown that along with message passing, the sign-board model is one of the two important mechanisms for inter-robot communication. Previous research on DRS algorithms employing the sign-board model assume zero signal propagation delay. These algorithms may fail if non-zero propagation delay is taken into account. A simple fix for these algorithms exists if the propagation delay is bounded. Implementation strategies for the conceptual sign-board are also discussed.

Cite this article as:
Jing Wang, “On Sign-board Based Inter-Robot Communication in Distributed Robotic Systems,” J. Robot. Mechatron., Vol.8, No.5, pp. 467-472, 1996.
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