An emergent wall following behaviour to escape local minima for swarms of agents

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Mabrouk, Mohamed H. and McInnes, Colin R. (2008) An emergent wall following behaviour to escape local minima for swarms of agents. International Journal of Computer Science, 35 (4). IJCS-35. ISSN 1819-656X (http://www.iaeng.org/IJCS/issues_v35/issue_4/IJCS_...)

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Abstract

Natural examples of emergent behaviour, in groups due to interactions among the group's individuals, are numerous. Our aim, in this paper, is to use complex emergent behaviour among agents that interact via pair-wise attractive and repulsive potentials, to solve the local minima problem in the artificial potential based navigation method. We present a modified potential field based path planning algorithm, which uses agent internal states and swarm emergent behaviour to enhance group performance. The algorithm is used successfully to solve a reactive path-planning problem that cannot be solved using conventional static potential fields due to local minima formation. Simulation results demonstrate the ability of a swarm of agents to perform problem solving using the dynamic internal states of the agents along with emergent behaviour of the entire group.

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