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تجزیه و تحلیل تصادف & جلوگیری
جزئیات رویداد
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  • fuzzy-logic-based network for complex systems risk assessment: application to ship performance analysis

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    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 593
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in this paper, a new interpretation of intuitionistic fuzzy sets in the advanced framework of the dempster–shafer theory of evidence is extended to monitor safety-critical systems’ performance. not only is the proposed approach more effective, but it also takes into account the fuzzy rules that deal with imperfect knowledge/information and, therefore, is different from the classical takagi–sugeno fuzzy system, which assumes that the rule (the knowledge) is perfect. we provide an analytical solution to the practical and important problem of the conceptual probabilistic approach for formal ship safety assessment using the fuzzy set theory that involves uncertainties associated with the reliability input data. thus, the overall safety of the ship engine is investigated as an object of risk analysis using the fuzzy mapping structure, which considers uncertainty and partial truth in the input–output mapping. the proposed method integrates direct evidence of the frame of discernment and is demonstrated through references to examples where fuzzy set models are informative. these simple applications illustrate how to assess the conflict of sensor information fusion for a sufficient cooling power system of vessels under extreme operation conditions. it was found that propulsion engine safety systems are not only a function of many environmental and operation profiles but are also dynamic and complex.

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