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Record Details

Record 80 of 1061
Three approaches to reliability analysis
Author and Affiliation:
Palumbo, Daniel L.(NASA Langley Research Center, Hampton, VA, United States)
Abstract: It is noted that current reliability analysis tools differ not only in their solution techniques, but also in their approach to model abstraction. The analyst must be satisfied with the constraints that are intrinsic to any combination of solution technique and model abstraction. To get a better idea of the nature of these constraints, three reliability analysis tools (HARP, ASSIST/SURE, and CAME) were used to model portions of the Integrated Airframe/Propulsion Control System architecture. When presented with the example problem, all three tools failed to produce correct results. In all cases, either the tool or the model had to be modified. It is suggested that most of the difficulty is rooted in the large model size and long computational times which are characteristic of Markov model solutions.
Publication Date: Jan 01, 1989
Document ID:
19900043651
(Acquired Nov 28, 1995)
Accession Number: 90A30706
Subject Category: QUALITY ASSURANCE AND RELIABILITY
Document Type: Conference Paper
Publication Information: (SEE A90-30676)
Publisher Information: United States
Meeting Information: IEEE NAECON 89; May 22-26, 1989; Dayton, OH; United States
Financial Sponsor: NASA; United States
Organization Source: NASA Lewis Research Center; Cleveland, OH, United States
Description: 8p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: AIRFRAMES; FAILURE MODES; MARKOV PROCESSES; PROPULSION SYSTEM PERFORMANCE; RELIABILITY ANALYSIS; MAINTENANCE; RATES (PER TIME); REDUNDANCY
Imprint And Other Notes: IN: NAECON 89; Proceedings of the IEEE National Aerospace and Electronics Conference, Dayton, OH, May 22-26, 1989. Volume 1 (A90-30676 12-01). New York, Institute of Electrical and Electronics Engineers, Inc., 1989, p. 308-315.
Availability Source: Other Sources
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