The content discusses the development of a data-driven process monitoring approach for the industrial alkaline water electrolysis (AWE) hydrogen production process. Key highlights:
AWE is one of the simplest green hydrogen production methods using renewable energy. However, the AWE system typically yields process variables that are serially correlated and contaminated by measurement uncertainty.
A novel robust dynamic variational Bayesian dictionary learning (RDVDL) monitoring approach is proposed to improve the reliability and safety of AWE operation. RDVDL employs sparse Bayesian dictionary learning to preserve the dynamic mechanism information of the AWE process, enabling easy interpretation of fault detection results.
To improve robustness to measurement uncertainty, a low-rank vector autoregressive (VAR) method is derived to reliably extract the serial correlation from process variables.
The effectiveness of the proposed RDVDL approach is demonstrated on an industrial hydrogen production process, showing that it can efficiently detect and diagnose critical AWE faults.
The RDVDL method outperforms conventional dynamic monitoring methods like DPCA, DiPCA, and DiCCA in terms of fault detection sensitivity and diagnosis accuracy.
toiselle kielelle
lähdeaineistosta
arxiv.org
Tärkeimmät oivallukset
by Qi Zhang,Lei... klo arxiv.org 04-16-2024
https://arxiv.org/pdf/2404.09524.pdfSyvällisempiä Kysymyksiä