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Co-evolution of morphology and control of soft-bodied multicellular animats

Published: 07 July 2012 Publication History
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  • Abstract

    We present a platform that allows for co-evolution of development and motion control of soft-bodied, multicellular animats in a 2-dimensional fluid-like environment. Artificial gene regulatory networks (GRNs) with real-valued expression levels control cell division and differentiation in multicellular embryos. Embryos develop in a simulated physics environment and are converted into animat structures by connecting neighboring cells with elastic springs. The springs connecting outer cells form the external envelope which is subject to fluid drag. Both the developmental program and motion control are encoded indirectly in a single linear genome, which consists of regulatory regions and regions that code for regulatory products (some of which act as morphogens). We applied a genetic algorithm to co-evolve morphology and control using a fitness measure whose value depends on distance traveled during the evaluation phase. We obtained various emergent morphologies and types of locomotion, some of them showing the use of appendages.

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    • (2021)Virtual Creature Morphology ‐ A ReviewComputer Graphics Forum10.1111/cgf.14266140:2(659-681)Online publication date: 4-Jun-2021
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    cover image ACM Conferences
    GECCO '12: Proceedings of the 14th annual conference on Genetic and evolutionary computation
    July 2012
    1396 pages
    ISBN:9781450311779
    DOI:10.1145/2330163
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 07 July 2012

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    Author Tags

    1. artificial embryogenesis
    2. body-brain co-evolution
    3. development
    4. evolution of locomotion
    5. evolution of morphology
    6. gene regulatory networks
    7. generative and developmental systems
    8. genetic algorithms
    9. soft-body animats

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    GECCO '12
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    GECCO '12: Genetic and Evolutionary Computation Conference
    July 7 - 11, 2012
    Pennsylvania, Philadelphia, USA

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    Overall Acceptance Rate 1,669 of 4,410 submissions, 38%

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    View all
    • (2023)A Controllable and Developmental Virtual Life Model2023 IEEE 21st Jubilee International Symposium on Intelligent Systems and Informatics (SISY)10.1109/SISY60376.2023.10417927(000029-000034)Online publication date: 21-Sep-2023
    • (2022)Machine Learning and Optimization Applications for Soft RoboticsDesign and Control Advances in Robotics10.4018/978-1-6684-5381-0.ch002(13-29)Online publication date: 16-Sep-2022
    • (2021)Virtual Creature Morphology ‐ A ReviewComputer Graphics Forum10.1111/cgf.14266140:2(659-681)Online publication date: 4-Jun-2021
    • (2019)The Body is Not a GivenProceedings of the 18th International Conference on Autonomous Agents and MultiAgent Systems10.5555/3306127.3331813(1134-1142)Online publication date: 8-May-2019
    • (2019)Artificial gene regulatory networks-a reviewArtificial Life10.1162/artl_a_0026724:4(296-328)Online publication date: 10-Dec-2019
    • (2019)Evolutionary Multi-objective Optimization for Evolving Soft Robots in Different EnvironmentsBio-inspired Information and Communication Technologies10.1007/978-3-030-24202-2_9(112-131)Online publication date: 24-Jul-2019
    • (2019)Self‐growing Adaptable Soft RobotsMechanically Responsive Materials for Soft Robotics10.1002/9783527822201.ch15(363-394)Online publication date: 29-Nov-2019
    • (2018)Evolving Soft Locomotion in Aquatic and Terrestrial Environments: Effects of Material Properties and Environmental TransitionsSoft Robotics10.1089/soro.2017.00555:4(475-495)Online publication date: Aug-2018
    • (2018)Evolutionary design of soft-bodied animats with decentralized controlArtificial Life and Robotics10.1007/s10015-013-0121-118:3-4(152-160)Online publication date: 15-Dec-2018
    • (2017)Introduction to gene regulatory networksProceedings of the Genetic and Evolutionary Computation Conference Companion10.1145/3067695.3067728(359-372)Online publication date: 15-Jul-2017
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