Title: Posfust reliability of a unified fuzzy Markov model

Authors: B. Praba, R. Sujatha, S. Srikrishna

Addresses: Department of Mathematics, SSN College of Engineering, Kalavakkam – 603 110, Tamil Nadu, India. ' Department of Mathematics, SSN College of Engineering, Kalavakkam – 603 110, Tamil Nadu, India. ' Department of Mathematics, SSN College of Engineering, Kalavakkam – 603 110, Tamil Nadu, India

Abstract: Reliability modelling is the most important discipline of reliability engineering. A new method for finding fuzzy system reliability using posfust reliability theory is demonstrated, where the system is modelled as a unified fuzzy Markov model, which consists of fuzzy Markov models assigned in order together with fuzzy transition possibilities between them. The proposed method can model and examine the fuzzy reliability of a system in a more flexible way and as a consequence the fuzzy reliability is expressed as a triangular fuzzy number.

Keywords: triangular fuzzy number; fuzzy transition; unified fuzzy Markov models; fuzzy reliability; reliability modelling; posfust reliability theory.

DOI: 10.1504/IJRS.2011.037348

International Journal of Reliability and Safety, 2011 Vol.5 No.1, pp.83 - 94

Accepted: 11 Dec 2009
Published online: 31 Mar 2015 *

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