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en:links [2017/08/25 14:46] – [Reliability interactive optimal elicitation tool] sallakmo | en:links [2018/02/28 17:08] (current) – sallakmo | ||
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+ | ==== Reliability based VBS tool ==== | ||
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+ | In this tool, we use a graphical model called Valuation-Based System (VBS) as a unique framework that allows one to represent and propagate more adequately all type of uncertainties in the same model. The VBSs were first introduced by Shenoy in 1989 as a general language for incorporating uncertainty in expert systems. | ||
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+ | Description of reliability based VBS tool {{appendixa.pdf|pdf}} | ||
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+ | Methodology of reliability based VBS tool {{d4.pdf|pdf}} | ||
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+ | Reliability based VBS tool {{vbs_tool.zip|zip}} | ||
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==== Reliability interactive optimal elicitation tool ==== | ==== Reliability interactive optimal elicitation tool ==== | ||
In order to evaluate the dependability parameters of systems, part of components and subsystems reliability data is provided by experts. Eliciting expert opinions is therefore a major and decisive task in the process of the quantitative evaluation of systems dependability. A critical part of the elicitation is to choose the questions to ask. Those need to be simple (i.e., do not require high cognitive effort) and in terms and format experts are familiar with. Furthermore, | In order to evaluate the dependability parameters of systems, part of components and subsystems reliability data is provided by experts. Eliciting expert opinions is therefore a major and decisive task in the process of the quantitative evaluation of systems dependability. A critical part of the elicitation is to choose the questions to ask. Those need to be simple (i.e., do not require high cognitive effort) and in terms and format experts are familiar with. Furthermore, | ||
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+ | Description of interactive reliability optimal elicitation tool {{recif_task_2_l2_3.pdf|pdf}} | ||
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+ | Methodology of interactive reliability optimal elicitation tool {{recif_task_2_l2_1.pdf|pdf}} | ||
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+ | Interactive reliability optimal elicitation tool {{elicitation_tool.zip|zip}} | ||
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+ | ==== Imprecise availability tool ==== | ||
+ | In this tool, we use a new method to find the imprecise availability of a Multi-State System (MSS) based on interval contraction and Markov chains. | ||
+ | Description of Imprecise availability tool {{etapes_code.pdf|pdf}} | ||
+ | Imprecise availability tool {{code_joanna.zip|zip}} | ||