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A stochastic parabolic model of MEMS driven by fractional Brownian motion
University of Aegean, GRC.
University of Aegean, GRC.ORCID iD: 0000-0002-1235-5058
Pontificia Universidad Católica de Chile, CHL.ORCID iD: 0000-0003-0491-7329
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013).ORCID iD: 0000-0002-9743-8636
2023 (English)In: Journal of Mathematical Biology, ISSN 0303-6812, E-ISSN 1432-1416, Vol. 86, article id 73Article in journal (Refereed) Published
Abstract [en]

In this paper, we study a stochastic parabolic problem that emerges in the modeling and control of an electrically actuated MEMS (micro-electro-mechanical system) device. The dynamics under consideration are driven by an one dimensional fractional Brownian motion with Hurst index [Formula: see text]. We derive conditions under which the resulting SPDE has a global in time solution, and we provide analytic estimates for certain statistics of interest, such as quenching times and the corresponding quenching probabilities. Our results demonstrate the non-trivial impact of the fractional noise on the dynamics of the system. Given the significance of MEMS devices in biomedical applications, such as drug delivery and diagnostics, our results provide valuable insights into the reliability of these devices in the presence of positively correlated noise.

Place, publisher, year, edition, pages
Springer, 2023. Vol. 86, article id 73
Keywords [en]
Biomedical MEMS actuators, Exponential functionals, Fractional noise, Global existence, Quenching, SPDEs
National Category
Mathematical Analysis
Research subject
Mathematics
Identifiers
URN: urn:nbn:se:kau:diva-94233DOI: 10.1007/s00285-023-01897-6ISI: 000968614000001PubMedID: 37039885Scopus ID: 2-s2.0-85152244842OAI: oai:DiVA.org:kau-94233DiVA, id: diva2:1749906
Available from: 2023-04-11 Created: 2023-04-11 Last updated: 2023-05-12Bibliographically approved

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Kavallaris, Nikos I.

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