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CEC
2009
IEEE

Memory-enhanced Evolutionary Robotics: The Echo State Network Approach

10 years 21 days ago
Memory-enhanced Evolutionary Robotics: The Echo State Network Approach
— Interested in Evolutionary Robotics, this paper focuses on the acquisition and exploitation of memory skills. The targeted task is a well-studied benchmark problem, the Tolman maze, requiring in principle the robotic controller to feature some (limited) counting abilities. An elaborate experimental setting is used to enforce the controller generality and prevent opportunistic evolution from mimicking deliberative skills through smart reactive heuristics. The paper compares the prominent NEAT approach, achieving the non-parametric optimization of Neural Nets, with the evolutionary optimization of Echo State Networks, pertaining to the recent field of Reservoir Computing. While both search spaces offer a sufficient expressivity and enable the modelling of complex dynamic systems, the latter one is amenable to robust parametric, linear optimization with Covariance Matrix Adaptation-Evolution Strategies.
Cédric Hartland, Nicolas Bredeche, Mich&egr
Added 21 Jul 2010
Updated 21 Jul 2010
Type Conference
Year 2009
Where CEC
Authors Cédric Hartland, Nicolas Bredeche, Michèle Sebag
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