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Nasa PHT

EXPERT SYSTEM EXECUTIVE

Expert System Executive for Automated Real-Time Monitoring


Real-time data monitoring is a decision making process involving knowledge of the system being watched and inferences based upon the observed data. The Expert System Executive is a computer program which demonstrates the feasibility of automated real-time monitoring. Using the Executive, the knowledge of a system is formally coded as a set of rules specifying actions to be taken under various conditions. The program makes inferences about the observed data based on the rules. The Executive has been tested by monitoring the Shuttle onboard navigation console using flight data from an entry simulation. The test rule base pertaining to onboard state vectors is included in the program documentation. By supplying an appropriate set of rules, the Expert System Executive can be adapted to other real-time applications such as plant operations. Each rule must contain a schedule of conditions and the action to be executed when all its conditions are true.


Program Size: 1,192 Statements
Computer Language: C-LANGUAGE

Copyright (c) 1996 Pacific HiTech, Inc. and COSMIC