Support of Multiple, Simultaneous Goals in AIS

An AIS can pursue more than one goal at a time through its use of dynamic control plans. The agenda contains operations chosen according to the set of all currently active control plans. The action ultimately chosen depends on certain preferences of the scheduler, but it will make progress on one of the plans, and in turn, toward one of the goals. The maintenance of multiple plans keeps the system free to choose actions that will make progress toward any of the goals, so it is not limited to one particular plan.
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