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The fault-tree compiler
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Author and Affiliation:
Martensen, Anna L.(PRC Kentron, Inc., Hampton, Va., United States);
Butler, Ricky W.(NASA Langley Research Center, Hampton, VA, United States)
Abstract: The Fault Tree Compiler Program is a new reliability tool used to predict the top event probability for a fault tree. Five different gate types are allowed in the fault tree: AND, OR, EXCLUSIVE OR, INVERT, and M OF N gates. The high level input language is easy to understand and use when describing the system tree. In addition, the use of the hierarchical fault tree capability can simplify the tree description and decrease program execution time. The current solution technique provides an answer precise (within the limits of double precision floating point arithmetic) to the five digits in the answer. The user may vary one failure rate or failure probability over a range of values and plot the results for sensitivity analyses. The solution technique is implemented in FORTRAN; the remaining program code is implemented in Pascal. The program is written to run on a Digital Corporation VAX with the VMS operation system.
Publication Date: Jan 01, 1987
Document ID:
19870011332
(Acquired Nov 04, 1995)
Accession Number: 87N20765
Subject Category: COMPUTER PROGRAMMING AND SOFTWARE
Report/Patent Number: NASA-TM-89098, NAS 1.15:89098
Document Type: Technical Report
Publisher Information: United States
Contract/Grant/Task Num: RTOP 505-66-21-01
Financial Sponsor: NASA; United States
Organization Source: NASA Langley Research Center; Hampton, VA, United States
Description: 40p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: COMPILERS; FAULT TOLERANCE; FAULT TREES; GATES (CIRCUITS); HIERARCHIES; PROBLEM SOLVING; PROGRAMMING LANGUAGES; RELIABILITY ANALYSIS; RELIABILITY ENGINEERING; SOFTWARE ENGINEERING
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