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A method for diagnosing time dependent faults using model-based reasoning systemsThis paper explores techniques to apply model-based reasoning to equipment and systems which exhibit dynamic behavior (that which changes as a function of time). The model-based system of interest is KATE-C (Knowledge based Autonomous Test Engineer) which is a C++ based system designed to perform monitoring and diagnosis of Space Shuttle electro-mechanical systems. Methods of model-based monitoring and diagnosis are well known and have been thoroughly explored by others. A short example is given which illustrates the principle of model-based reasoning and reveals some limitations of static, non-time-dependent simulation. This example is then extended to demonstrate representation of time-dependent behavior and testing of fault hypotheses in that environment.
Document ID
19960028114
Acquisition Source
Kennedy Space Center
Document Type
Conference Paper
Authors
Goodrich, Charles H. (I-NET, Inc. Cocoa Beach, FL United States)
Date Acquired
September 6, 2013
Publication Date
April 29, 1995
Subject Category
Cybernetics
Report/Patent Number
NAS 1.26:201123
NASA-CR-201123
Meeting Information
Meeting: Annual Florida Artificial Intelligence Research Symposium (FLAIRS)
Location: Melbourne, FL
Country: United States
Start Date: April 27, 1995
End Date: April 29, 1995
Accession Number
96N29198
Funding Number(s)
CONTRACT_GRANT: NAS10-11943
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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