We propose a new class of random effects model for the Wiener process model. We express the Wiener process in a special form and allow one of the parameters to ...
The proposed models are demonstrated by analyzing a dataset of fatigue crack growth and a dataset of head wears of hard disk drives. The applications suggest ...
[en] For many products, it is not uncommon to see that a unit with a higher degradation rate has a more volatile degradation path.
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Mechanism-equivalence-based Wiener process models, including a basic model and a random-effects model, are proposed to characterize such degradation behavior ...
Jun 11, 2019 · The paper presents results for Wiener diffusion processes and gamma processes as examples of Lévy degradation processes. The paper develops key ...
Then, mechanism-equivalence-based Wiener process models, including a basic model and a random-effects model, are proposed to characterize such degradation ...
Feb 15, 2023 · This paper proposes a new time scaled Wiener process with random effects that has been specially designed to allow the description of non-monotonic degradation ...
The Wiener process is widely used in the degradation modeling, life prediction, and maintenance decision of products in aerospace, high-speed rail and ...
Sep 9, 2021 · The degradation data of highly reliable products are usually analyzed by stochastic process models, such as Wiener process, gamma process ...
Feb 5, 2024 · Wiener processes, Gamma processes, and inverse Gaussian processes are the three most popular models for degradation modeling and RUL prediction.