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International Journal of Mathematical, Engineering and Management Sciences

ISSN: 2455-7749


System Reliability Growth Analysis during Warranty

System Reliability Growth Analysis during Warranty

James Li
Centre of Competence for Mass Transit, AME, Bombardier Transportation, Kingston, Canada.

Greg Collins
Centre of Competence for Mass Transit, AME, Bombardier Transportation, Kingston, Canada.

Ravi Govindarajulu
Bombardier Transportation, Hyderabad, India.

DOI https://dx.doi.org/10.33889/IJMEMS.2019.4.1-008

Received on April 05, 2018
  ;
Accepted on June 07, 2018

Abstract

This paper presents system reliability growth analysis using actual field failure data. The primary objective of the system reliability growth is to improve the achievement of system reliability performance during system reliability demonstration, in order to achieve the predicted or contractually required system reliability commitment. An effective reliability growth model can be utilized to predict when the reliability target can be achieved based on previous reliability performance. In this paper, the system reliability growth analysis is illustrated using the Duane and AMSAA reliability growth models to determine applicability and aid in choice determination. The Duane model is a better choice for failure terminated reliability growth while AMSAA is a better choice for time terminated reliability growth. Comparisons of the Duane versus AMSAA model are carried out by conducting the statistical analysis on the observed field failures.

Keywords- Reliability growth modeling, Duane model, AMSAA model, MTBF, FRACAS.

Citation

Li, J., Collins, G., & Govindarajulu, R. (2019). System Reliability Growth Analysis during Warranty. International Journal of Mathematical, Engineering and Management Sciences, 4(1), 85-94. https://dx.doi.org/10.33889/IJMEMS.2019.4.1-008.

Conflict of Interest

The authors confirm that this article contents have no conflict of interest.

Acknowledgements

The authors would like to thank reviewers for their constructive comments and valuable suggestions towards to the improvement of the paper.

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