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A Completely Evolvable Genotype-Phenotype Mapping for Evolutionary Robotics


A Completely Evolvable Genotype-Phenotype Mapping for Evolutionary Robotics



Published: 2009 September

Buchtitel: Proceedings of the Third IEEE International Conference on Self-Adaptive and Self-Organizing Systems (SASO 2009)
Seiten: 175-185
Verlag: IEEE
Erscheinungsort: Washington D.C., USA

Referierte Veröffentlichung

BibTeX


Kurzfassung
To achieve a desired global behavior for a swarm of robots where each robot has a local view and operating range in the environment is a well-known and challenging problem. Evolutionary Robotics is a self-adaptation approach which has been shown to effectively find robot controllers for behaviors which are hard to implement by hand. There, evolvability is highly dependent on controller representation during evolution. It is known that using a genotypic controller representation which also encodes parts of the genotype-phenotype mapping (GPM) can lead to a meta-adaptation of the evolutionary operators to the search space structure, thus improving evolvability. We enhance this idea using a fully flexible GPM which is represented in the same way as the behavioral controllers are, and, therefore, can be completely evolved along with the behavior. The approach is based on finite state machines and extends an existing framework for decentralized evolution of robot behavior in swarms of mobile robots. Experiments indicate that the evolvable GPM outperforms both the extensively improved operators of the existing framework and a standard operator for the new real-valued genotypes with fixed GPM.

ISBN: 978-0-7695-3794-8
Download: Media:PID937965.pdf

Verknüpfte Tools

Organic Computing Learning Robots Arena


Forschungsgruppe

Effiziente Algorithmen


Forschungsgebiet

Organic Computing, Agentensysteme, Evolutionäre Robotik