Modeling failure types and failure times of turning and boring machine systems

Purpose - The purpose of this paper is to model the occurrences of successive failure types and times to failure of the two repairable machine systems.Design methodology approach - Historical data on failure types and time to failures of the given machine systems (4 nos) were gainfully used. Second...

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Bibliographic Details
Published in:The International journal of quality & reliability management 2010-01, Vol.27 (7), p.815-831
Main Authors: Ghosh, Abhijit, Majumdar, S.K
Format: Article
Language:English
Subjects:
Boring machines
Design engineering
Estimates
Failure
Failure mechanical
Failure times
Fault diagnosis
Hypotheses
Maintenance
Management
Manufacturing
Markov analysis
Markov chains
Markov processes
Mathematical models
Probability
Product reliability
Random variables
Reliability management
Studies
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Summary:Purpose - The purpose of this paper is to model the occurrences of successive failure types and times to failure of the two repairable machine systems.Design methodology approach - Historical data on failure types and time to failures of the given machine systems (4 nos) were gainfully used. Second order time homogeneous Markov Chain models were used to characterize the occurrences of the two broad failure type, namely, mechanical and electrical, after having found that the occurrences of failure types were dependent. Second order time homogeneous Markov Chain with Bivariate Distribution function (M2BVD) was used to model the times between successive failures {Tn, n≥1} for each machine system.Findings - It is possible to apply the theoretical framework of Markov chain models to the accumulated data on failure types and failure times of any repairable system, which provide a wealth of information on the systems and are often left unused.Research limitations implications - The framework used in the study can be improved to accommodate multiple failure types and failure times of any repairable system to the extent that a more accurate prediction of these two variables and a better estimate of the system reliability are available.Originality value - The models for failure types and failure times of the given machine systems would be of immense use to the maintenance crew for predicting the future failure types and failure times of any given system and subsequently organizing and fine-tuning their state of preparedness.
ISSN:0265-671X
1758-6682
DOI:10.1108/02656711011062408