RELIABILITY ESTIMATION OF MULTI-STATE SYSTEM BASED ON FAULT TREE ANALYSIS

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FARSI MOHAMMAD ALI; NAJAFI MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:1 Page(s): 257-266

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Information Journal Paper

Title

RELIABILITY ESTIMATION OF MULTI-STATE SYSTEM BASED ON FAULT TREE ANALYSIS

Author(s)

FARSI MOHAMMAD ALI | NAJAFI MOHAMMAD | Issue Writer Certificate

Keywords

RELIABILITY ASSESSMENTQ2

FAULT TREE ANALYSISQ2

MULTI-STATE SYSTEMQ2

CUT-SETQ2

BINARY DECISION DIAGRAMQ2

Abstract

In this paper, the RELIABILITY ASSESSMENT based-on FAULT TREE ANALYSIS in coherent multi-state emergency detection system in a sounding rocket is evaluated. A system was built with more complexity and containing various intersection terms. Analysis of such system whether by means of minimal CUT-SET or BINARY DECISION DIAGRAM (BDD) approaches requires complex analysis and will be time consuming owing to intersection terms. Also, the gained results have less accuracy and contain uncertainty. To overcome these problems a combinatorial method for solving static fault tree is used. This method combines minimal CUT-SET with BDD, and then computes the occurrence probability of top-event in fault tree. To fully demonstrate this method Emergency Detection system (EDS) is used as a case-study. Here, system analysis is done from a general approach. So assume that the overall system consists of two sub-systems: sending signal subsystem and cabin instrumental sub-system. Two different fault trees, one for each, are constructed and conclusions of analysis steps for MULTI-STATE SYSTEMs consisting of multi-state elements are presented using FAULT TREE ANALYSIS. Finally, by means of this method, the reliability assessed value of the system is estimated.

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APA: Copy

FARSI, MOHAMMAD ALI, & NAJAFI, MOHAMMAD. (2015). RELIABILITY ESTIMATION OF MULTI-STATE SYSTEM BASED ON FAULT TREE ANALYSIS. MODARES MECHANICAL ENGINEERING, 15(1), 257-266. SID. https://sid.ir/paper/179305/en

Vancouver: Copy

FARSI MOHAMMAD ALI, NAJAFI MOHAMMAD. RELIABILITY ESTIMATION OF MULTI-STATE SYSTEM BASED ON FAULT TREE ANALYSIS. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(1):257-266. Available from: https://sid.ir/paper/179305/en

IEEE: Copy

MOHAMMAD ALI FARSI, and MOHAMMAD NAJAFI, “RELIABILITY ESTIMATION OF MULTI-STATE SYSTEM BASED ON FAULT TREE ANALYSIS,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 1, pp. 257–266, 2015, [Online]. Available: https://sid.ir/paper/179305/en

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