Prognosis of power MOSFET resistance degradation trend using artificial neural network approach
- Authors
- Pugalenthi, Karkulali; Park, Hyunseok; Raghavan, Nagarajan
- Issue Date
- Sep-2019
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Artificial neural network; Power MOSFETs; Prognostics and health management; Remaining useful life
- Citation
- MICROELECTRONICS RELIABILITY, v.100-101, pp.1 - 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- MICROELECTRONICS RELIABILITY
- Volume
- 100-101
- Start Page
- 1
- End Page
- 5
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/147218
- DOI
- 10.1016/j.microrel.2019.113467
- ISSN
- 0026-2714
- Abstract
- An accurate lifetime prediction of power MOSFET devices is vital for critical applications such as hybrid electric vehicles, high-speed trains and aircrafts. These devices are subject to thermal, electrical and mechanical stresses on the field and hence the reliability study of these devices is of utmost concern. The performance of modelbased methods depends on strong assumptions of the initial values for the parameters and also on the choice of the degradation model. In this work, we propose to use a data-driven method using the feedforward neural network for prognosis of power MOSFET devices with large noise. The experimental data consists of accelerated aging tests done on these devices, extracted from recently published work. The impact on modifying the complexity of the neural network framework on the prognostic metrics such as relative accuracy and computational time are analyzed and quantified. The results demonstrate that the neural network model yields good prediction results even for a highly noisy dataset and also for degradation trends that are strikingly different from the training dataset trend.
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