Geckos can walk straight up walls and across ceilings. Dr. Kellar Autumn and colleagues have discovered their secret: gecko feet have hundreds of thousands of hair-like "setae" with hundreds of submicroscopic pads ("spatulae") at each seta tip, which appear to cling by van der Waals forces to almost any surface. Unlike suction or traditional adhesives, this adhesion works under conditions of vacuum and particulate contamination, making it potentially ideal for use on the Moon and Mars. It is also remarkably strong (10 N per 100 mm2 in vivo), yet quickly and easily released. Lavatube caves, on any world, can be one of the most extreme terrains in which to operate. The caves consist of raw, unweathered lava. Cave floors covered with random piles of large boulder "breakdown" make exploration difficult for humans or robots. The ability to traverse lavatube walls and ceilings would make such exploration much easier; this could be accomplished by using gecko-derived biomimetic technology. "Gecko-Tech" can greatly enhance efficiency and effectiveness of cave exploration and development. These technologies can also find many other uses outside of lavatubes. Gecko-footed robots could climb to the lavatube roof and emplace permanent anchors for suspension of utilities, transportation, or even entire lunar bases. Tethers tipped with gecko-tech pads can extend the reach of robots and humans. Humans wearing a flexible skin-tight spacesuit with gecko-tech pads could climb over large rocks on lavatube floors, or up lava walls. Such a garment would be useful to climb the red cliffs of Mars or to perform maintenance work on slippery habitats. Gecko-tech will increase the capabilities of emergency and rescue operations. It will enable new forms of sport and recreation. Gecko-tech enhancements of human and robot mobility expand the range over which humans and robots can work, becoming an effective productivity multiplier.


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    Titel :

    Gecko-Tech in Planetary Exploration and Base Operations


    Beteiligte:

    Kongress:

    Eighth International Conference on Engineering, Construction, Operation, and Business In Space; Fifth International Conference and Exposition and Demonstration on Robotics for Challenging Situations and Environments ; 2002 ; Albuquerque, New Mexico, United States


    Erschienen in:

    Erscheinungsdatum :

    2002-06-07




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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