Genetic algorithm seeding of idiotypic networks for mobile-robot navigation

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Whitbrook, Amanda, Aickelin, Uwe and Garibaldi, Jonathan M. (2008) Genetic algorithm seeding of idiotypic networks for mobile-robot navigation. In: 5th International Conference on Informatics in Control, Automation and Robotics (ICINCO 2008), 11-15 May 2008, Madiera, Portugal. (Unpublished)

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Abstract

Robot-control designers have begun to exploit the properties of the human immune system in order to

produce dynamic systems that can adapt to complex, varying, real-world tasks. Jerne’s idiotypic-network theory has proved the most popular artificial-immune-system (AIS) method for incorporation into behaviour-based robotics, since idiotypic selection produces highly adaptive responses. However, previous efforts have mostly focused on evolving the network connections and have often worked with a single, preengineered set of behaviours, limiting variability. This paper describes a method for encoding behaviours as a variable set of attributes, and shows that when the encoding is used with a genetic algorithm (GA), multiple sets of diverse behaviours can develop naturally and rapidly, providing much greater scope for flexible behaviour-selection. The algorithm is tested extensively with a simulated e-puck robot that navigates around a maze by tracking colour. Results show that highly successful behaviour sets can be generated within about 25 minutes, and that much greater diversity can be obtained when multiple autonomous populations are used, rather than a single one.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/1016345
Keywords: Mobile-robot navigation, genetic algorithm, artificial immune system, idiotypic network
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Computer Science
Depositing User: Aickelin, Professor Uwe
Date Deposited: 30 Jan 2009 16:03
Last Modified: 04 May 2020 20:28
URI: https://eprints.nottingham.ac.uk/id/eprint/996

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