Amanda Whitbrook
Two-timescale learning using idiotypic behaviour mediation for a navigating mobile robot
Whitbrook, Amanda; Aickelin, Uwe; Garibaldi, Jonathan M.
Authors
Uwe Aickelin
Jonathan M. Garibaldi
Abstract
A combined short-term learning (STL) and long-term learning (LTL) approach to solving mobile-robot
navigation problems is presented and tested in both the real and virtual domains. The LTL phase consists
of rapid simulations that use a genetic algorithm to derive diverse sets of behaviours, encoded as variable
sets of attributes, and the STL phase is an idiotypic artificial immune system. Results from the LTL phase
show that sets of behaviours develop very rapidly, and significantly greater diversity is obtained when
multiple autonomous populations are used, rather than a single one. The architecture is assessed under
various scenarios, including removal of the LTL phase and switching off the idiotypic mechanism in the
STL phase. The comparisons provide substantial evidence that the best option is the inclusion of both the
LTL phase and the idiotypic system. In addition, this paper shows that structurally different environments
can be used for the two phases without compromising transferability.
Citation
Whitbrook, A., Aickelin, U., & Garibaldi, J. M. Two-timescale learning using idiotypic behaviour mediation for a navigating mobile robot. Applied Soft Computing, 10(3), https://doi.org/10.1016/j.asoc.2009.10.005
Journal Article Type | Article |
---|---|
Deposit Date | Oct 10, 2012 |
Journal | Applied Soft Computing |
Print ISSN | 1568-4946 |
Electronic ISSN | 1568-4946 |
Publisher | Elsevier |
Peer Reviewed | Not Peer Reviewed |
Volume | 10 |
Issue | 3 |
DOI | https://doi.org/10.1016/j.asoc.2009.10.005 |
Public URL | https://nottingham-repository.worktribe.com/output/1013473 |
Publisher URL | http://dx.doi.org/10.1016/j.asoc.2009.10.005 |
Additional Information | NOTICE: this is the author’s version of a work that was accepted for publication in Applied Soft Computing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Soft Computing, 10, 3, (2010). doi: 10.1016/j.asoc.2009.10.005 |
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