NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Press Enter or click the Search button to begin your search.

Back to Results
A.I.-based real-time support for high performance aircraft operationsArtificial intelligence (AI) based software and hardware concepts are applied to the handling system malfunctions during flight tests. A representation of malfunction procedure logic using Boolean normal forms are presented. The representation facilitates the automation of malfunction procedures and provides easy testing for the embedded rules. It also forms a potential basis for a parallel implementation in logic hardware. The extraction of logic control rules, from dynamic simulation and their adaptive revision after partial failure are examined. It uses a simplified 2-dimensional aircraft model with a controller that adaptively extracts control rules for directional thrust that satisfies a navigational goal without exceeding pre-established position and velocity limits. Failure recovery (rule adjusting) is examined after partial actuator failure. While this experiment was performed with primitive aircraft and mission models, it illustrates an important paradigm and provided complexity extrapolations for the proposed extraction of expertise from simulation, as discussed. The use of relaxation and inexact reasoning in expert systems was also investigated.
Document ID
19860021246
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Vidal, J. J.
(California Univ. Los Angeles, CA, United States)
Date Acquired
September 5, 2013
Publication Date
January 1, 1985
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NASA-CR-176906
NAS 1.26:176906
Report Number: NASA-CR-176906
Report Number: NAS 1.26:176906
Accession Number
86N30718
Funding Number(s)
CONTRACT_GRANT: NAG2-302
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
No Preview Available