Planetary rovers exploring the surface of Mars face a challenging operational environment that requires close cooperation between deliberative planning and behavioral execution in order to most efficiently leverage the robot’s capabilities into science value returned to earth. The Self-Reliant Rovers project envisions future rover missions that require only occasional high-level direction from human controllers to successfully conduct detailed in-situ studies of its Martian environs. To achieve this high degree of autonomy, this work leverages a spectrum of planning and execution techniques that allow the rover to respond appropriately to both opportunity and adversity it encounters. Small perturbations are accommodated at first by behavioral adaptation, with more and more extensive disruptions handled in turn by executive administration of plan flexibility, heuristic-guided plan repair strategies, and finally comprehensive replanning from science campaign goals. The integrated system has been deployed and tested on a terrestrial rover in an environment and under scenarios that anticipate those faced by future Mars rovers. This paper recounts complexities of planning and execution coordination faced in the rover domain and the practical solutions employed to address them. Particular emphasis is given to lessons from the field and foibles ripe for remedy by future advances in planning and execution research.


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    Titel :

    Integrated Planning and Execution for a Self-Reliant Mars Rover


    Beteiligte:
    Gaines, Daniel (Autor:in) / Justice, Heather (Autor:in) / Wong, Vincent (Autor:in) / Russino, Joseph (Autor:in) / Schaffer, Steve (Autor:in)

    Erscheinungsdatum :

    24.06.2018


    Medientyp :

    Preprint


    Format :

    Keine Angabe


    Sprache :

    Englisch



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