Articles with "approximation nonlinear" as a keyword



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The novel Leal-polynomials for the multi-expansive approximation of nonlinear differential equations

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Published in 2020 at "Heliyon"

DOI: 10.1016/j.heliyon.2020.e03695

Abstract: This work presents the novel Leal-polynomials (LP) for the approximation of nonlinear differential equations of different kind. The main characteristic of LPs is that they satisfy multiple expansion points and its derivatives as a mechanism… read more here.

Keywords: approximation nonlinear; nonlinear differential; novel leal; leal polynomials ... See more keywords

A Practical Prognostics Method Based on Stepwise Linear Approximation of a Nonlinear Degradation Model

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Published in 2024 at "Applied Sciences"

DOI: 10.3390/app15010266

Abstract: Prognostics aims to predict the remaining useful life (RUL) of an in-service system based on its degradation data. Existing methods, such as artificial neural networks (ANNs) and their variations, often face challenges in real-world applications… read more here.

Keywords: based stepwise; degradation; linear approximation; nonlinear degradation ... See more keywords