Modelling of system failures in gas turbine engines on offshore platforms

  • Perera L
  • Machado M
  • Valland A
 et al. 
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Abstract

The system reliability of gas turbine engines on offshore platforms, maintained (i.e. repaired) upon process failures, is considered in this study. A set of condition monitoring (CM) data (i.e. failure events) of a selected gas turbine engine is considered, where the system maintenance actions with minimum repair conditions (i.e. that should not disturb the failure rate intensity) are assumed. A nonhomogeneous Poisson process is used to model the age dependent reliability conditions of a gas turbine engine and maximum likelihood estimation (MLE) for calculating the same model parameters is implemented. Finally, a summary on the system behavior under failure intensity, mission reliability and mean time between failures (MTBF) is also presented in this study.

Author-supplied keywords

  • Failure intensity
  • Failure rates
  • Gas turbine engines
  • Maximum likelihood estimation
  • Nonhomogeneous Poisson process
  • System reliability

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