An individual approach to modelling emergent structure in termite swarm systems Online publication date: Sat, 10-May-2008
by David Feltell, Li Bai, Henrik Jeldtoft Jensen
International Journal of Modelling, Identification and Control (IJMIC), Vol. 3, No. 1, 2008
Abstract: Social insects provide a unique example of emergence and self-organisation. Their ability to exploit environmental complexity to offset individual simplicity presents us with a novel and immensely powerful engineering methodology. In this work we present our 3D agent-based simulation model of the emergent construction behaviour of Macrotermes termites, focusing on construction of the queen's royal chamber and protective trail galleries using available biological evidence. Previous models have been somewhat lacking in modelling individual behavioural responses and in including factors intrinsic to the termite building process. We show how simple response-threshold functions can be combined with pheromone templates and stigmergic mechanisms to mirror experimental work and provide an explanation for poorly understood termite behavioural patterns. We also demonstrate the low-level disorder inherent in such a system and explain how such effects can add a layer of stochasticity to facilitate the self organised building process.
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