Results 201 to 210 of about 549,955 (335)

Remaining Useful Life (RUL) Control of Controlled Systems Under Degradation

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 35, Issue 18, Page 8095-8116, December 2025.
ABSTRACT Remaining Useful Life (RUL) is the length of time a component or system will operate before it requires repair or replacement. Although significant efforts have been made to estimate RUL accurately, controlling RUL remains challenging. This study introduces a state‐space model‐based approach for designing RUL controllers of controlled systems ...
Mônica S. Félix   +2 more
wiley   +1 more source

An Investigation of the Barriers Impeding Small‐Scale Hydropower Schemes From Greater Deployment in England

open access: yesSustainable Development, Volume 33, Issue 6, Page 9325-9334, December 2025.
ABSTRACT England holds significant potential for hydropower development, yet various challenges including environmental concerns continue to limit extensive deployment. This study offers an interdisciplinary analysis of the key barriers hindering hydropower expansion in England, focusing on institutional, policy, financial, and environmental factors ...
Joelson Alexandre   +2 more
wiley   +1 more source

Exhalation‐Driven Mask‐Valve‐Integrated Triboelectric Nanogenerator with Amplified Output Current

open access: yesSmall Structures, Volume 6, Issue 12, December 2025.
An exhalation‐driven mask‐valve‐integrated triboelectric nanogenerator (EM‐TENG) generates high output current and power with low impedance at low airflow speeds within a compact size of 3.87 cm3, and with an optimized design, it is not affected by moisture.
Sujung Kang   +7 more
wiley   +1 more source

Wind Turbine Blade Material Behavior in Abrasive Wear Conditions. [PDF]

open access: yesPolymers (Basel)
Muntenita C   +4 more
europepmc   +1 more source

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