Abstract
To deal with uncertainty and vagueness from humans’ subjective perception and experience in the risk evaluation process, this chapter presents a novel method for FMEA based on combination weighting and fuzzy VIKOR (VIsekriterijumska optimizacija i KOmpromisno Resenje) methods. First, fuzzy analytic hierarchy process (AHP) is integrated with entropy method to determine the relative weights of risk factors. The risk priorities of failure modes are obtained through next steps based on fuzzy VIKOR algorithm. To demonstrate its potential applications, the new fuzzy FMEA method is used for analyzing the risks during general anesthesia process. Finally, a sensitivity analysis and a comparison analysis are carried out to demonstrate the feasibility and advantages of the proposed FMEA method.
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