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   <dc:title>The Evolution of Controller-Free Molecular Motors from Spatial Constraints</dc:title>
   <dc:creator>Fernández-Rodríguez, Jose David</dc:creator>
   <dc:creator>Doursat, René</dc:creator>
   <dc:creator>Vico-Vela, Francisco José</dc:creator>
   <dc:subject>Autómatas</dc:subject>
   <dcterms:abstract>Locomotion of robotic and virtual agents is a&#xd;
challenging task requiring the control of several degrees of&#xd;
freedom as well as the coordination of multiple subsystems.&#xd;
Traditionally, it is engineered by top-down design and finetuning&#xd;
of the agent’s morphology and controller. A relatively&#xd;
recent trend in fields such as evolutionary robotics, computer&#xd;
animation and artificial life has been the coevolution and mutual&#xd;
adaptation of the morphology and controller in computational&#xd;
agent models. However, the controller is generally modeled as a&#xd;
complex system, often a neural or gene regulatory network. In the&#xd;
present study, inspired by molecular biology and based on normal&#xd;
modal analysis, we formulate a behavior-finding framework for&#xd;
the design of bipedal agents that are able to walk along a&#xd;
filament and have no explicit control system. Instead, agents&#xd;
interact with their environment in a purely reactive way. A simple&#xd;
mutation operator, based on physical relaxation, is used to drive&#xd;
the evolutionary search. Results show that gait patterns can be&#xd;
evolutionarily engineered from the spatial interaction between&#xd;
precisely tuned morphologies and the environment.</dcterms:abstract>
   <dcterms:dateAccepted>2013-12-03T12:51:05Z</dcterms:dateAccepted>
   <dcterms:available>2013-12-03T12:51:05Z</dcterms:available>
   <dcterms:created>2013-12-03T12:51:05Z</dcterms:created>
   <dcterms:issued>2013-12-03</dcterms:issued>
   <dc:type>journal article</dc:type>
   <dc:identifier>http://hdl.handle.net/10630/6719</dc:identifier>
   <dc:language>eng</dc:language>
   <dc:relation>Spatial Computing Workshop, in the Eleventh International Conference on Autonomous Agents and Multiagent Systems</dc:relation>
   <dc:relation>Valencia, Spain</dc:relation>
   <dc:relation>2012 June</dc:relation>
   <dc:rights>open access</dc:rights>
</qdc:qualifieddc>
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