This paper describes the Remote Agent flight experiment for spacecraft commanding and control. In the Remote Agent approach, the operational rules and constraints are encoded in the flight software. The software may be considered to be an autonomous "remote agent" of the spacecraft operators in the sense that the operators rely on the agent to achieve particular goals. The experiment will be executed during the flight of NASA's Deep Space One technology validation mission. During the experiment, the spacecraft will not be given the usual detailed sequence of commands to execute. Instead, the spacecraft will be given a list of goals to achieve during the experiment. In flight, the Remote Agent flight software will generate a plan to accomplish the goals and then execute the plan in a robust manner while keeping track of how well the plan is being accomplished. During plan execution, the Remote Agent stays on the lookout for any hardware faults that might require recovery actions or replanning. In addition to describing the design of the remote agent, this paper discusses technology-insertion challenges and the approach used in the Remote Agent approach to address these challenges. The experiment integrates several spacecraft autonomy technologies developed at NASA Ames and the Jet Propulsion Laboratory: on-board planning, a robust multi threaded executive, and model-based failure diagnosis and recovery.


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    Title :

    Design of the Remote Agent experiment for spacecraft autonomy


    Contributors:
    Bernard, D.E. (author) / Dorais, G.A. (author) / Fry, C. (author) / Gamble, E.B. (author) / Kanefsky, B. (author) / Kurien, J. (author) / Millar, W. (author) / Muscettola, N. (author) / Nayak, P.P. (author) / Pell, B. (author)


    Publication date :

    1998-01-01


    Size :

    2692121 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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