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Using Iterative Repair to Increase the Responsiveness of Planning and Scheduling for Autonomous Spacecraft,” Workshop on Scheduling and Planning meets Real-time Monitoring in a Dynamic and Uncertain

By Steve Chien, Russell Knight, Andre Stechert, Rob Sherwood and Gregg Rabideau

Abstract

An autonomous spacecraft must balance long-term and short-term considerations. It must perform purposeful activities that ensure long-term science and engineering goals are achieved and ensure that it maintains positive resource margins. This requires planning in advance to avoid a series of shortsighted decisions that can lead to failure. However, it must also respond in a timely fashion to a somewhat dynamic and unpredictable environment. Thus, spacecraft plans must often be modified due to fortuitous events such as early completion of observations and setbacks such as failure to acquire a guidestar for a science observation. This paper describes the use of iterative repair to support continuous modification and updating of a current working plan in light of changing operating context

Topics: In recent years Galileo, Clementine, Mars Pathfinder, Lunar
Publisher: World
Year: 1999
OAI identifier: oai:CiteSeerX.psu:10.1.1.308.6925
Provided by: CiteSeerX
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