NDLI: Functional reasoning in diagnostic problem solving

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Functional reasoning in diagnostic problem solving

Content Provider	NASA Technical Reports Server (NTRS)
Author	Bond, W. E. Stclair, D. C. Sticklen, Jon
Copyright Year	1988
Description	This work is one facet of an integrated approach to diagnostic problem solving for aircraft and space systems currently under development. The authors are applying a method of modeling and reasoning about deep knowledge based on a functional viewpoint. The approach recognizes a level of device understanding which is intermediate between a compiled level of typical Expert Systems, and a deep level at which large-scale device behavior is derived from known properties of device structure and component behavior. At this intermediate functional level, a device is modeled in three steps. First, a component decomposition of the device is defined. Second, the functionality of each device/subdevice is abstractly identified. Third, the state sequences which implement each function are specified. Given a functional representation and a set of initial conditions, the functional reasoner acts as a consequence finder. The output of the consequence finder can be utilized in diagnostic problem solving. The paper also discussed ways in which this functional approach may find application in the aerospace field.
File Size	643122
Page Count	10
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890006182
Archival Resource Key	ark:/13960/t3mw7b59j
Language	English
Publisher Date	1988-10-01
Access Restriction	Open
Subject Keyword	Computer Programming And Software Knowledge Bases Artificial Intelligence Problem Solving Functional Analysis Diagnosis Systems Integration Expert Systems Aerospace Engineering Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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