When humans return to the moon, Astronauts will be accompanied by robotic helpers. Enabling robots to safely operate near astronauts on the lunar surface has the potential to significantly improve the efficiency of crew surface operations. Safely operating robots in close proximity to astronauts on the lunar surface requires reactive obstacle avoidance capabilities not available on existing planetary robots. In this paper we present work on safe, reactive navigation using a stereo based high-speed terrain analysis and obstacle avoidance system. Advances in the design of the algorithms allow it to run terrain analysis and obstacle avoidance algorithms at full frame rate (30Hz) on off the shelf hardware. The results of this analysis are fed into a fast, reactive path selection module, enforcing the safety of the chosen actions. The key components of the system are discussed and test results are presented.


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    Title :

    Reactive, Safe Navigation for Lunar and Planetary Robots


    Contributors:
    Utz, Hans (author) / Ruland, Thomas (author)

    Conference:

    Space 2008 ; 2008 ; San Diego, CA, United States


    Publication date :

    2008-09-08


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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