Using Discourse to Modify Control Procedures

Pete Bonasso

We outline recent discourse work using a shared plans approach to modify control procedures for advanced life support systems. This effort was motivated during a recent water recovery test at NASA by a need to temporarily suspend automatic shutdown responses in the 3T control system while the crew conducted manual procedures. Discourse plans are reactive procedures executed in the RAPs reactive planning system. The parser generates descriptions of concepts in the memory of the control system. Discourse management runs concurrently with the control system and can handle a variety of interruptions and non-sequitors.


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