Environmental Regulation Using Plasticoding for the Evolution of Robots

Evolutionary robot systems are usually affected by the properties of the environment indirectly through selection. In this paper, we present and investigate a system where the environment also has a direct effect—through regulation. We propose a novel robot encoding method where a genotype encodes m...

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Main Authors: Karine Miras, Eliseo Ferrante, A. E. Eiben
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-10-01
Series:Frontiers in Robotics and AI
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/frobt.2020.00107/full
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author Karine Miras
Eliseo Ferrante
Eliseo Ferrante
A. E. Eiben
author_facet Karine Miras
Eliseo Ferrante
Eliseo Ferrante
A. E. Eiben
author_sort Karine Miras
collection DOAJ
description Evolutionary robot systems are usually affected by the properties of the environment indirectly through selection. In this paper, we present and investigate a system where the environment also has a direct effect—through regulation. We propose a novel robot encoding method where a genotype encodes multiple possible phenotypes, and the incarnation of a robot depends on the environmental conditions taking place in a determined moment of its life. This means that the morphology, controller, and behavior of a robot can change according to the environment. Importantly, this process of development can happen at any moment of a robot's lifetime, according to its experienced environmental stimuli. We provide an empirical proof-of-concept, and the analysis of the experimental results shows that environmental regulation improves adaptation (task performance) while leading to different evolved morphologies, controllers, and behavior.
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spelling doaj.art-1cfbec08d6dd425b9f7fc45a3585ff782022-12-22T00:53:34ZengFrontiers Media S.A.Frontiers in Robotics and AI2296-91442020-10-01710.3389/frobt.2020.00107537231Environmental Regulation Using Plasticoding for the Evolution of RobotsKarine Miras0Eliseo Ferrante1Eliseo Ferrante2A. E. Eiben3Computer Science Department, Vrije Universiteit Amsterdam, Amsterdam, NetherlandsComputer Science Department, Vrije Universiteit Amsterdam, Amsterdam, NetherlandsAutonomous Robotics Research Centre, Technology Innovation Institute, Abu Dhabi, United Arab EmiratesComputer Science Department, Vrije Universiteit Amsterdam, Amsterdam, NetherlandsEvolutionary robot systems are usually affected by the properties of the environment indirectly through selection. In this paper, we present and investigate a system where the environment also has a direct effect—through regulation. We propose a novel robot encoding method where a genotype encodes multiple possible phenotypes, and the incarnation of a robot depends on the environmental conditions taking place in a determined moment of its life. This means that the morphology, controller, and behavior of a robot can change according to the environment. Importantly, this process of development can happen at any moment of a robot's lifetime, according to its experienced environmental stimuli. We provide an empirical proof-of-concept, and the analysis of the experimental results shows that environmental regulation improves adaptation (task performance) while leading to different evolved morphologies, controllers, and behavior.https://www.frontiersin.org/article/10.3389/frobt.2020.00107/fullevolutionary roboticsmorphological evolutionphenotypic plasticityenvironmental regulationlocomotionenvironmental effects
spellingShingle Karine Miras
Eliseo Ferrante
Eliseo Ferrante
A. E. Eiben
Environmental Regulation Using Plasticoding for the Evolution of Robots
Frontiers in Robotics and AI
evolutionary robotics
morphological evolution
phenotypic plasticity
environmental regulation
locomotion
environmental effects
title Environmental Regulation Using Plasticoding for the Evolution of Robots
title_full Environmental Regulation Using Plasticoding for the Evolution of Robots
title_fullStr Environmental Regulation Using Plasticoding for the Evolution of Robots
title_full_unstemmed Environmental Regulation Using Plasticoding for the Evolution of Robots
title_short Environmental Regulation Using Plasticoding for the Evolution of Robots
title_sort environmental regulation using plasticoding for the evolution of robots
topic evolutionary robotics
morphological evolution
phenotypic plasticity
environmental regulation
locomotion
environmental effects
url https://www.frontiersin.org/article/10.3389/frobt.2020.00107/full
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