Please use this identifier to cite or link to this item: https://doi.org/10.1109/TR.2010.2040758
Title: Accelerated life test plans for repairable systems with multiple independent risks
Authors: Liu, X. 
Tang, L.-C. 
Keywords: Accelerated life test
Bayesian optimal design
Competing risks
D-optimality
Kullback-Leibler distance
Power law process
Repairable systems
Issue Date: 2010
Source: Liu, X., Tang, L.-C. (2010). Accelerated life test plans for repairable systems with multiple independent risks. IEEE Transactions on Reliability 59 (1) : 115-127. ScholarBank@NUS Repository. https://doi.org/10.1109/TR.2010.2040758
Abstract: This paper proposes a Bayesian approach to planning an accelerated life test (ALT) for repairable systems with multiple s-independent failure modes. A power law process (PLP), that combines both proportional intensity (PI) and acceleration time (AT) approaches, is used for modeling the failure process of repairable systems under ALT. Based on the Bayesian D-optimality, and Ds-optimality, we develop optimal plans for ALT by invoking the general equivalence theorem. We also discuss the elicitation of prior distributions, and derive the expression of the Fisher information matrix. Finally, a case study on testing diesel automotive engines is presented to illustrate how to use the proposed planning principle to obtain the 2-stress-level optimal plan, and a compromise plan for 3-stress-level ALT. © 2010 IEEE.
Source Title: IEEE Transactions on Reliability
URI: http://scholarbank.nus.edu.sg/handle/10635/62989
ISSN: 00189529
DOI: 10.1109/TR.2010.2040758
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