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Complex Technical System Components Reliability and Safety Identification

In: Reliability and Safety of Complex Technical Systems and Processes

Author

Listed:
  • Krzysztof Kołowrocki

    (Maritime University)

  • Joanna Soszyńska-Budny

    (Maritime University)

Abstract

The procedures and formulae estimating the unknown parameters of complex technical system components’ reliability and safety models on the basis of statistical data coming from the components reliability and safety states changing processes are presented. The maximum likelihood method is applied to estimate the unknown intensities of departures from the reliability and safety state subsets of the multistate system components having different exponential reliability functions at various system operation states. This method is applied to the statistical data collected in different kinds of empirical experiments, including small number of realizations and non-completed investigations. There is presented the goodness-of-fit test applied to verify the hypotheses concerned with the exponential forms of the multistate reliability functions of the particular components of the complex technical systems at variable operating conditions. In the case of lack of data coming from the components’ reliability and safety states changing processes, the simplified method of estimating the unknown intensities of departures from the reliability and safety state subsets based on expert opinion is proposed. Applications of the proposed statistical methods of unknown parameters’ identification of complex technical system components’ reliability and safety models to determine the reliability parameters of the exemplary system and the port oil transportation system components and the safety parameters of the maritime ferry technical system components are presented as well.

Suggested Citation

  • Krzysztof Kołowrocki & Joanna Soszyńska-Budny, 2011. "Complex Technical System Components Reliability and Safety Identification," Springer Series in Reliability Engineering, in: Reliability and Safety of Complex Technical Systems and Processes, chapter 0, pages 217-262, Springer.
    • Handle: RePEc:spr:ssrchp:978-0-85729-694-8_5
    DOI: 10.1007/978-0-85729-694-8_5
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