Results 11 to 20 of about 8,177,099 (212)

Robust T-S Fuzzy Control Design for Variable-Speed Wind Energy Conversion Systems Using Linear Matrix Inequalities [PDF]

EPJ Web of Conferences
This paper proposes a robust state feedback control strategy for variable speed wind energy conversion systems (WECS) within the Takagi-Sugeno fuzzy (TSF) modeling framework.
Aboulkassim Abdeljabar, Kririm Said, Arjdal El hanafi, Boutssaid Rachid, Oualaid Rachid   +4 more
doaj   +1 more source

Influence of Soap Factory Wastewater on the Physical and Mechanical Performance of Concrete

Diyala Journal of Engineering Sciences, 2022
The management of water resources is one of the major priorities in all countries of the world and even more so in developing countries such as Cameroon.
Zoyem Gouafo Mathurin, Talla Pierre Kisito, Gouafo Casimir, Ngapgue Francois, Médard Fogue   +4 more
doaj   +1 more source

Factors Governing the Chemical Stability and NMR Parameters of Uracil Tautomers and Its 5-Halogen Derivatives

Molecules, 2020
We report on the density functional theory (DFT) modelling of structural, energetic and NMR parameters of uracil and its derivatives (5-halogenouracil (5XU), X = F, Cl, Br and I) in vacuum and in water using the polarizable continuum model (PCM) and the ...
Kacper Rzepiela, Aneta Buczek, Teobald Kupka, Małgorzata A. Broda   +3 more
doaj   +1 more source

Robust Predictive Control Design of Wind Power under Nonlinear Constraints [PDF]

EPJ Web of Conferences
This paper aims to develop a novel control architecture to enhance the performance of DFIG-based wind turbines. The proposed approach integrates an adaptive robust predictive control law to ensure stable power output despite stochastic wind variations ...
Benjat Zainab, Aboulkassim Abdeljabar, Kririm Said, El Mellouli Mehdi   +3 more
doaj   +1 more source

Design and Manufacturing of Small Scale Tsunami Simulator Channel [PDF]

E3S Web of Conferences, 2021
Increasing the cost of in-situ or field tests to solve engineering problems, particularly water engineering, pushes researchers worldwide to simulate different water engineering problems using small-scale physical modeling like soil erosion, hydraulic ...
Bachay Hiba A., Aldefae Asad H., Zubaidi Salah L., Humaish Wissam H., Sinichenko Evgeny K.   +4 more
doaj   +1 more source

Predictor-based resilient control of continuous-time cyber–physical systems under denial-of-service attacks [PDF]

EPJ Web of Conferences
This paper studies predictor-based resilient control for continuous-time linear cyber-physical systems under denial-of-service attacks. Deterministic DoS frequency and duration constraints are used to guarantee bounded intervals between successful ...
Boutssaid Rachid, Kririm Said, Aboulkassim Abdeljabar   +2 more
doaj   +1 more source

Assessing the Mass Transfer Coefficient in Jet Bioreactors with Classical Computer Vision Methods and Neural Networks Algorithms

Algorithms, 2023
Development of energy-efficient and high-performance bioreactors requires progress in methods for assessing the key parameters of the biosynthesis process. With a wide variety of approaches and methods for determining the phase contact area in gas–liquid
Irina Nizovtseva, Vladimir Palmin, Ivan Simkin, Ilya Starodumov, Pavel Mikushin, Alexander Nozik, Timur Hamitov, Sergey Ivanov, Sergey Vikharev, Alexei Zinovev, Vladislav Svitich, Matvey Mogilev, Margarita Nikishina, Simon Kraev, Stanislav Yurchenko, Timofey Mityashin, Dmitrii Chernushkin, Anna Kalyuzhnaya, Felix Blyakhman   +18 more
doaj   +1 more source

Computer Vision Algorithm for Characterization of a Turbulent Gas–Liquid Jet

Inventions
A computer vision algorithm to determine the parameters of a two-phase turbulent jet of a water-gas mixture traveling at a velocity in the range of 5–10 m/s was developed in order to evaluate the hydrodynamic efficiency of mass exchange apparatuses in ...
Ilya Starodumov, Sergey Sokolov, Pavel Mikushin, Margarita Nikishina, Timofey Mityashin, Ksenia Makhaeva, Felix Blyakhman, Dmitrii Chernushkin, Irina Nizovtseva   +8 more
doaj   +1 more source

Supporting the classification of patients in public hospitals in Chile by designing, deploying and validating a system based on natural language processing

BMC Medical Informatics and Decision Making, 2021
Background In Chile, a patient needing a specialty consultation or surgery has to first be referred by a general practitioner, then placed on a waiting list.
Jocelyn Dunstan, Fabián Villena, Jorge Pérez, René Lagos   +3 more
doaj   +1 more source

Accurate parameter identification of solar cells and photovoltaic modules under real conditions using a new Differential Evolution approach

Unconventional Resources
The global shift towards solar energy has intensified the need for advanced research on high-efficiency photovoltaic (PV) systems. Accurate extraction of PV parameters from current-voltage curves is critical for precise simulation, evaluation, and ...
Driss Saadaoui, Mustapha Elyaqouti, Imade Choulli, Ismail Abazine, Abdelfattah Elhammoudy, Souad Lidighbi, Dris Ben Hmamou, Brahim Ydir, El Hanafi Arjdal, Khalid Assalaou   +9 more
doaj   +1 more source