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Thread: CoCoRo (Collective Cognitive Robots), swarm of autonomous underwater vehicles, Artificial Life Laboratory, University of Graz, Graz, Austria

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    CoCoRo (Collective Cognitive Robots), swarm of autonomous underwater vehicles, Artificial Life Laboratory, University of Graz, Graz, Austria


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    CoCoRo Largest AUV swarm 2013

    Published on May 29, 2013

    This video shows the CoCoRo swarm the largest autonomous swarm of underwater robots in the world.
    The swarm is capable of collective behaviours such as cooperative search, finding the most inetersting place of the habitat, and making collective decisions.

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    Short CoCoRo AUV swarm underwater video

    Published on Jul 16, 2014

    CoCoRo project Lily AUVs filmed with an underwater camera (Sony AS100V) in a pool.

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    CoCoRo CeBIT

    Published on Oct 8, 2014

    This video shows the CoCoRo autonomous underwater vehicles (AUVs) in a large aquarium at the CeBIT exhibition.

    This experimental setup simulates a real mission scenario in which the AUVs have to collectively find an object of potential interest at the sea floor (e.g., a black box of a crashed plane).

    In the beginning the AUVs start randomly distributed in the mission area (= aquarium) where the object is assumed to be.
    The AUVs do not perform a special search pattern but instead use a simple random walk. Due to the high number of AUVs, quite soon one of the AUVs will be near the object (in this case a magnetic target) and can perceive it.

    The AUV then tries to keep its position above the object and starts to emit blue-light signals that attract other nearby AUVs which in turn also emit blue-light signals. This leads to a fast aggregation of most of the swarm AUVs near the object.
    In future underwater swarms these AUVs could then collectively grab and lift the object to the water surface.

    Project funded by European Commission FP7.

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    Overview Jeff robot

    Published on Jan 4, 2015

    The Year of CoCoRo 01/52: Our CoCoRo system consists of 3 types of robots. One is Jeff, a very fast and agile small autonomous swarm robot. This is an overview of its capabilities.

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    Overbiew CoCoRo largest swarm

    Published on Jan 11, 2015

    The Year of CoCoRo 02/52: The CoCoRo system is currently the largest autonomous underwater swarm in the world. This video briefly shows some of its components and functions.

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    TYOC#03/52 Jeff Massive Exploration

    Published on Jan 18, 2015

    The Year of CoCoRo 03/52: A swarm of Jeff robots is browsing the environment. They use their front blue-light sensors to detect and avoid obstacles.

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    TYOC#04/52 Aggregation Parcour

    Published on Jan 25, 2015

    The Year of CoCoRo 04/52: In a complex underwater habitat a swarm of Jeff robots first searches for a magnetic target. Then the communicate to Lily robots at smaller depths to join the group.

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    TYOC#05/52: Lily SwarmSizeAwareness

    Published on Feb 8, 2015

    The Year of CoCoRo 05/52: Lily robots build swarms that change in size over time. By using a bio-inspired method of signal exchange these swarms can make reliable estimates of their own swarm size. Our Lily robots emit a pulsed signal that is relayed by other Lily robots in the swarm, just like slime mold amoebas or fireflies relay their signals in nature. Based on this simple signal exchange every member can estimate the number of other swarm members around.

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    TYOC#06/52: Jeff SwarmSizeMeasurement

    Published on Feb 8, 2015

    The Year of CoCoRo 06/52: It is important for our robot swarm that the swarm as a whole is aware of its size. We use a bio-inspired method, called the „fireslime algorithm“ to achieve this form of collective awareness. The algorithm makes the robots to spread a one-bit signal (pulse) among the swarm members allowing them to make quite reliable and precise estimates of the size of their swarm. This video shows an advanced version of the algorithm implemented on Jeff robots.

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