Self-organized adaptation of a simple neural circuit enables complex robot behaviour

Details Self-organized adaptation of a simple neural circuit enables complex robot behaviour Self-organized adaptation of a simple neural circuit enables complex robot behaviour

2011-05-06

arxiv.org/abs/1105.1386v1

Nature Phys. 6:224 (2010)

Physics

Condensed Matter

Disordered Systems and Neural Networks

16 pages, non-final version, for final see Nature Physics homepage

Scientific paper

10.1038/nphys1860

Controlling sensori-motor systems in higher animals or complex robots is a challenging combinatorial problem, because many sensory signals need to be simultaneously coordinated into a broad behavioural spectrum. To rapidly interact with the environment, this control needs to be fast and adaptive. Current robotic solutions operate with limited autonomy and are mostly restricted to few behavioural patterns. Here we introduce chaos control as a new strategy to generate complex behaviour of an autonomous robot. In the presented system, 18 sensors drive 18 motors via a simple neural control circuit, thereby generating 11 basic behavioural patterns (e.g., orienting, taxis, self-protection, various gaits) and their combinations. The control signal quickly and reversibly adapts to new situations and additionally enables learning and synaptic long-term storage of behaviourally useful motor responses. Thus, such neural control provides a powerful yet simple way to self-organize versatile behaviours in autonomous agents with many degrees of freedom.

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