NDLI: Reliability and cost optimization of power electronic devices considering the component failure rate uncertainty

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Volume 3 - 2003

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2001 IEEE Porto Power Tech Proceedings (Cat. No.01EX502)

Reliability and cost optimization of power electronic devices considering the component failure rate uncertainty

Content Provider	IEEE Xplore Digital Library
Copyright Year	2003
Abstract	The objective of this paper is to present an efficient methodology to obtain the optimal system structure for power electronic devices using various component types, while considering the constraints on reliability and cost. The component failure rate uncertainty is taken under consideration and it is modeled with two alternative probability distribution functions. The Latin Hypercube Sampling method is used to simulate the probability distributions and the efficiency of this stratified sampling method is compared with the typical Monte Carlo analysis method. The optimization methodology being used was the simulated annealing algorithm because of its flexibility to be applied in various system types with various constraints and its efficiency in computational time. The developed methodology was applied to a power electronic device and the results were compared with the results of the complete enumeration of the solution space. The stochastic nature of the top solutions was sampled extensively and the robustness of the optimization methodology was demonstrated. Finally, a typical power electronic device is used as a case study and the obtained results are presented.
Sponsorship	IEEE Power Eng. Soc
File Size	542182
File Format	PDF
ISBN	0780379675
DOI	10.1109/PTC.2003.1304733
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-23
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cost function Power electronics Uncertainty Power system reliability Probability distribution Sampling methods Computational modeling Power system modeling Hypercubes Analytical models
Content Type	Text
Resource Type	Article

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