Characterization of Initial Parameter Information for Lifetime Prediction of Electronic Devices

Zhigang Li, Boying Liu, Mengxiong Yuan, Feifei Zhang and Jiaqiang Guo

PLOS ONE, 2016, vol. 11, issue 12, 1-14

Abstract: Newly manufactured electronic devices are subject to different levels of potential defects existing among the initial parameter information of the devices. In this study, a characterization of electromagnetic relays that were operated at their optimal performance with appropriate and steady parameter values was performed to estimate the levels of their potential defects and to develop a lifetime prediction model. First, the initial parameter information value and stability were quantified to measure the performance of the electronics. In particular, the values of the initial parameter information were estimated using the probability-weighted average method, whereas the stability of the parameter information was determined by using the difference between the extrema and end points of the fitting curves for the initial parameter information. Second, a lifetime prediction model for small-sized samples was proposed on the basis of both measures. Finally, a model for the relationship of the initial contact resistance and stability over the lifetime of the sampled electromagnetic relays was proposed and verified. A comparison of the actual and predicted lifetimes of the relays revealed a 15.4% relative error, indicating that the lifetime of electronic devices can be predicted based on their initial parameter information.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0167429

DOI: 10.1371/journal.pone.0167429

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