Showing 1,921 - 1,940 results of 2,218 for search '"mathematical models"', query time: 0.07s Refine Results
  1. 1921

    An FRLQG Controller-Based Small-Signal Stability Enhancement of Hybrid Microgrid Using the BCSSO Algorithm by Ginbar Ensermu, M. Vijayashanthi, Merugu Suresh, Abdul Subhani Shaik, B. Premalatha, G. Devadasu

    Published 2023-01-01
    “…Initially, for PSs such as photovoltaic (PV), wind turbines, along with fuel cells, a mathematical model is ascertained. Then, in this, the converter design has been developed. …”
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    Article
  2. 1922

    Experimental and Mathematical Studies for Optimality of GTAW Parameters on Similar and Dissimilar Steel Substrates by Bandaru Kiran, Dega Nagaraju, Senthil Kumaran Selvaraj, Baye Molla

    Published 2022-01-01
    “…Genetic algorithm and mathematical modelling are opted for selecting the final optimal welding parameters. …”
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    Article
  3. 1923

    Intellectual measurement and evaluation of the results of customs authorities’ activities by G. I. Goremykina, Yu. E. Gupanova

    Published 2023-03-01
    “…Computer development of a mathematical model is carried out in the Fuzzy Logic Toolbox for Matlab application software package.…”
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    Article
  4. 1924

    Analysis Approximate with Using Sumudu Adomian Decomposition Method for Solving SEIVR Epidemic Model by Zainab Mohammed Jouhda, Saad N. Ali AL-Azzawi

    Published 2025-02-01
    “… Whenever a mathematical model is suggested to classing COVID-19. The population must be divided into several groups and our model has five groups namely S(t), E(t), I(t), V(t) and R(t) which represent susceptible, exposed, inflected, vaccinated and recovered individuals respectively. …”
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    Article
  5. 1925

    Numerical Simulation of Thermo-Hydro-Mechanical Coupling of Model Test for Nuclear Waste Disposal by Yu-Ping Wang, Zhe Wang, Fa-Cheng Yi, Lei Fu, Ying Luo

    Published 2025-01-01
    “…In view of the theory of mixtures and mechanics of continuous media, the coupled THM mathematical model of unsaturated buffer materials is established, considering heat transport and multiphase fluid flow. …”
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    Article
  6. 1926

    Temporal Variation of N Isotopic Composition of Decomposing Legume Roots and Its Implications to N Cycling Estimates in N15 Tracer Studies in Agroforestry Systems by Riina Jalonen, Jorge Sierra

    Published 2012-01-01
    “…We studied how temporal variation of legume root residue δ15N could be explained by considering differential decomposition kinetics and 15N content of residue fractions. A mathematical model on the isotopic patterns of soil and a N recipient plant during root decomposition was developed and applied for testing assumptions about residue characteristics against two experimental datasets. …”
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    Article
  7. 1927

    Adaptive Gain Control Method of a Phase-Locked Loop for GNSS Carrier Signal Tracking by Zhibin Luo, Jicheng Ding, Lin Zhao

    Published 2018-01-01
    “…This paper presents a novel PLL with an adaptive loop gain control filter (AGCF-PLL) that can provide an alternative. The mathematical model based on second- and third-order PLL was derived. …”
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    Article
  8. 1928

    Nanocrystalline Porous Hydrogen Storage Based on Vanadium and Titanium Nitrides by A. Goncharov, A. Guglya, A. Kalchenko, E. Solopikhina, V. Vlasov, E. Lyubchenko

    Published 2017-01-01
    “….% of hydrogen. Data of mathematical modeling are presented highlighting the structure formation and component creation of the films during their deposition at the time of simultaneous bombardment by mixed beam of nitrogen and helium ions with energy of 30 keV. …”
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    Article
  9. 1929

    Multiphysical Models for Hydrogen Production Using NaOH and Stainless Steel Electrodes in Alkaline Electrolysis Cell by Ivan Newen Aquigeh, Merlin Zacharie Ayissi, Dieudonné Bitondo

    Published 2021-01-01
    “…A maximum error of 1.5% was found between the mathematical model and experimental model, indicating that the model is reliable.…”
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    Article
  10. 1930

    Optimization of Ultrasound Treatment of Beverage from Mango and Carrot with Added Turmeric Using Response Surface Methodology by Leticia X. Lopez-Martinez, Nill Campos-Gonzalez, Victor M. Zamora-Gasga, Jesús A. Domínguez-Avila, Sunil Pareek, Mónica A. Villegas-Ochoa, Sonia G. Sáyago Ayerdi, Gustavo A. Gonzalez-Aguilar

    Published 2022-09-01
    “…The AOC was assigned as a response variable in addition to TSP and TC. Mathematical modeling showed that the formulation with 35% ( v/v ) of mango pulp, 10% ( v/v ) of carrot juice, and 0.7% ( w/v ) of turmeric powder, yielded the highest values of TSP, TC, and AOC. …”
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    Article
  11. 1931

    Thermal Analysis and Structural Optimization of High-Efficiency Fuel Submersible Hot Water Machine by Zhaozhe Zhu, Youmin Wang, Yingshuai Zhang

    Published 2021-01-01
    “…The main factors affecting thermal efficiency were analyzed and mathematically modeled. The air supply model and the convective heat transfer model of the threaded tube were established. …”
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    Article
  12. 1932

    Improvement of Soybean Oil Solvent Extraction through Enzymatic Pretreatment by F. V. Grasso, P. A. Montoya, C. C. Camusso, B. G. Maroto

    Published 2012-01-01
    “…Extractions were carried out in a column, oil content was determined according to time, and a mathematical model was developed to describe the system. …”
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    Article
  13. 1933

    Dynamic Response and Failure Characteristics of Slope with Weak Interlayer under Action of Near-Fault Ground Motion by Bing Yang, Jiangrong Hou, Yifei Liu, Zihong Zhou

    Published 2021-01-01
    “…Investigations into the Wenchuan earthquake (2008, China) demonstrated that landslides were concentrated in the near-fault areas, and numerous large-scale landslides occurred in slopes with weak interlayers. A mathematical model was established based on the shear beam theory, while a numerical model was developed based on the discrete element method which perfectly matched layer boundary theory. …”
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    Article
  14. 1934

    Critical limit for phosphorus in a Red Latosol of the Brazilian Cerrado by Louise Stefanello Hemielevski, June Faria Scherrer Menezes, Augusto Matias de Oliveira, Mariana Pina da Silva Berti, Linia Dayana Lopes Machado, Paulo Fernandes Boldrin, Veridiana Cardozo Gonçalves Cantão, Rodrigo Gomes Silva

    Published 2025-01-01
    “…The aim of this study was to determine a mathematical model for the critical limit for phosphorus in the environment (CLPE) in a Red Latosol of the Cerrado, and to monitor the amount of P in the soil of 46 rural properties in the micro watershed of the Ribeirão Abóbora River. …”
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    Article
  15. 1935

    Comparative study of parameter extractions of photovoltaic modules using analytical and numerical approaches by Brahim Belmahdi

    Published 2025-01-01
    “…Developing an accurate mathematical model for parameter extraction in photovoltaic modules is a crucial endeavor in optimizing photovoltaic energy systems. …”
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    Article
  16. 1936

    Theoretical Analysis and Experimental Validation on Galloping of Iced Transmission Lines in a Moderating Airflow by Bing Huo, Xuliang Li, Fujiang Cui, Shuo Yang

    Published 2021-01-01
    “…Different declining rates of the wind velocity are also verified in the wind tunnel, which show good agreement with the results simulated by the mathematical model. The sudden increase in the galloping amplitude poses a significant threat to the transmission system, which also improves the damage mechanism associated with the galloping of a slender, a long structure with a noncircular cross-section.…”
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    Article
  17. 1937

    Impact of media coverage on the transmission dynamics of TB with vaccines and treatment. by Kumneger Tadesse Mulugeta, Mohammed Yiha Dawed, Shewafera Wondimagegnhu Teklu

    Published 2025-01-01
    “…The main objective of this study is to investigate the impact of media coverage on the transmission dynamics of TB with vaccine and treatment strategy using mathematical model analysis. In the qualitative analysis of the proposed model we proved the existence, uniqueness, positivity, and boundedness of the model solutions, investigated both the disease-free and endemic equilibrium points, computed the basic and effective reproduction numbers using next generation matrix approach, analyzed the stability analysis of the equilibrium points, the backward bifurcation using the Castillo-Chavez and Song theorem and we re-formulated the corresponding optimal control problem and analyzed by applying the Pontryagin's Minimum Principle. …”
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  18. 1938

    Enhanced Production of Xylitol from Corncob by Pachysolen tannophilus Using Response Surface Methodology by S. Ramesh, R. Muthuvelayudham, R. Rajesh Kannan, T. Viruthagiri

    Published 2013-01-01
    “…The optimal levels of these variables were quantified by the central composite design using RSM, for establishment of a significant mathematical model with a coefficient determination of . …”
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    Article
  19. 1939

    Fuzzy Sliding Mode Control of Plate Vibrations by Manu Sharma, S.P. Singh

    Published 2010-01-01
    “…Finite element method is used to obtain mathematical model of the test plate. A design approach of a sliding mode controller for linear systems with mismatched time-varying uncertainties is used in this paper. …”
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    Article
  20. 1940

    Providing a New Multiobjective Two-Layer Approach for Developing Service Restoration of a Smart Distribution System by Islanding of Faulty Area by Hasan Keshavarz Ziarani, Seyed Hossein Hosseinian, Ahmad Fakharian

    Published 2024-01-01
    “…In this study, a novel two-step mathematical method for system restoration after the fault is presented. A new mathematical model for the optimal arrangement of the system for the faulty area in the first layer is proposed. …”
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    Article