Showing 1,521 - 1,540 results of 2,218 for search '"mathematical modeling"', query time: 0.07s Refine Results
  1. 1521

    Spatial Object Tracking Using an Enhanced Mean Shift Method Based on Perceptual Spatial-Space Generation Model by Pengcheng Han, Junping Du, Ming Fang

    Published 2013-01-01
    “…Therefore, it is necessary to propose a more intelligent mathematical model. In this paper, we present an intelligent modeling method using an enhanced mean shift method based on a perceptual spatial-space generation model. …”
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    Article
  2. 1522

    Investigation of Fracture Width Change under Closure Pressure in Unconventional Reservoir Based on the Hertz Contact Theory by Lifei Dong, Di Wang, Fengxia Li, Xinye Fu, Miao Wang

    Published 2021-01-01
    “…In this work, the mathematical model for the propping behavior of proppants in the fracture under closure pressure is established based on the Hertz contact theory. …”
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    Article
  3. 1523

    The Role of Optimal Intervention Strategies on Controlling Excessive Alcohol Drinking and Its Adverse Health Effects by Steady Mushayabasa

    Published 2015-01-01
    “…We propose and analyze a mathematical model for alcohol drinking problem. The transmission process is modeled as a social “contact” process between “heavy” alcohol drinkers and “light” alcohol drinkers within an unchanging shared drinking environment. …”
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    Article
  4. 1524

    Population Dynamic Study of Prey-Predator Interactions with Weak Allee Effect, Fear Effect, and Delay by Ye Xuan Li, Hua Liu, Yu Mei Wei, Ming Ma, Gang Ma, Jing Yan Ma

    Published 2022-01-01
    “…Then, to make the model more realistic, we introduce the gestation delay in the proposed mathematical model. Stability and Hopf bifurcation are also analyzed. …”
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    Article
  5. 1525

    Dynamic Surface and Active Disturbance Rejection Control for Path Following of an Underactuated UUV by Juan Li, Haitao Gao, Jiajia Zhou, Zheping Yan

    Published 2014-01-01
    “…This controller can effectively avoid the phenomenon of explosion of terms in the conventional backstepping method, reduce the dependence on the UUV controller mathematical model, and enhance the antijamming ability. …”
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    Article
  6. 1526

    The Experience of Using «Virtual Petrolab» – Virtual Petrophysical laboratory for Mobile Devices in the Educational Process by E. V. Shelyago, N. D. Shelyago

    Published 2019-06-01
    “…The program “Virtual PetroLab” simulates functions of various petrophysical equipment in the lab, possesses built-in methodological instructions on performing laboratory works. The mathematical model of the application allows the student to conduct measuring tasks, make, accumulate and correct his own errors. …”
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    Article
  7. 1527

    Decoding mpox: a systematic review and meta-analysis of the transmission and severity parameters of the 2022–2023 global outbreak by Adriana Buitrago-Lopez, Zulma M Cucunubá, Candida Diaz Brochero, Laura Cristina Nocua-Báez, Jorge Alberto Cortes, Kelly Charniga

    Published 2025-01-01
    “…Our results contribute to a better understanding of mpox dynamics, and the development of mathematical models to assess the impact of current and future interventions.…”
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    Article
  8. 1528

    A Combined MPC and PI Control Strategy for Bidirectional Interleaved Totem Pole PFC Converters in Electric Vehicle G2V and V2G Applications by Lassioui Abdellah, Kabba Abdelaziz, El Ancary Marouane, Hasni Anwar, El Asri Yassine, El Idrissi Zakariae, El Fadil Hassan

    Published 2025-01-01
    “…The converter’s mathematical model is used to implement the MPC, which ensures a unit power factor during both Grid-to-Vehicle (G2V) and Vehicle-to-Grid (V2G) operations. …”
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    Article
  9. 1529

    Global threshold dynamics in an HIV virus model with nonlinear infection rate and distributed invasion and production delays by Zhaohui Yuan, Xingfu Zou

    Published 2012-12-01
    “…We consider a mathematical model that describes the interactions ofthe HIV virus, CD4 cells and CTLs within host, which is amodification of some existing models by incorporating (i) twodistributed kernels reflecting the variance of time for virus toinvade into cells and the variance of time for invaded virions toreproduce within cells; (ii) a nonlinear incidence function $f$ forvirus infections, and (iii) a nonlinear removal rate function $h$for infected cells. …”
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  10. 1530

    Study power of partial discharges to voltage intensity in XLPE-insulated cables by D. A. Polyakov, K. I. Nikitin, N. A. Tereschenko, I. V. Komarov, U. V. Polyakova

    Published 2020-03-01
    “…Some of the known mathematical models of insulation aging take into account the effect of partial discharges. …”
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    Article
  11. 1531

    An efficient technique to study of time fractional Whitham–Broer–Kaup equations by Nishant Bhatnagar, Kanak Modi, Lokesh Kumar Yadav, Ravi Shanker Dubey

    Published 2024-12-01
    “…In this study, we derive the approximate analytical solution for the fractional coupled Whitham–Broer–Kaup (WBK) equations, a significant mathematical model for representing wave propagation in shallow water. …”
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    Article
  12. 1532

    Hyperspherical Manifold for EEG Signals of Epileptic Seizures by Tahir Ahmad, Vinod Ramachandran

    Published 2012-01-01
    “…The mathematical modelling of EEG signals of epileptic seizures presents a challenge as seizure data is erratic, often with no visible trend. …”
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  13. 1533

    Optimization of fuzzy linear fractional programming problem with fuzzy numbers by Sapan Das

    Published 2021-03-01
    “…Lead from real-life problems, a couple of mathematical models is considered to survey the legitimacy, usefulness and applicability of our method. …”
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  14. 1534

    Numerical Analysis on the Influence of Thermal Effects on Oil Flow Characteristic in High-Pressure Air Injection (HPAI) Process by Hu Jia, Jin-Zhou Zhao, Wan-Fen Pu

    Published 2012-01-01
    “…To clarify the influences of thermal effects on oil production, in this paper, we derived a mathematical model for calculating oil flow rate, which is based on the heat conduction property in porous media from the combustion tube experiment. …”
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  15. 1535

    The Analysis of Biomimetic Caudal Fin Propulsion Mechanism with CFD by Guijie Liu, Shuikuan Liu, Yingchun Xie, Dingxin Leng, Guanghao Li

    Published 2020-01-01
    “…Lastly, through the mathematical model analysis of the tail of the swordfish, the producing propulsive force principle of the caudal fin and the caudal peduncle was obtained. …”
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  16. 1536

    A Novel Memductor-Based Chaotic System and Its Applications in Circuit Design and Experimental Validation by Li Xiong, Yanjun Lu, Yongfang Zhang, Xinguo Zhang

    Published 2019-01-01
    “…Furthermore, the design principle of the memductor-based chaotic circuit is thoroughly analyzed and the concept of “the memductor-based chaotic circuit defect quantification index” is proposed for the first time to verify whether the chaotic output is consistent with the mathematical model. A good qualitative agreement is shown between the simulations and the experimental validation results.…”
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    Article
  17. 1537

    Effectiveness of iNTS vaccination in sub-Saharan Africa by Daniele Cassese, Nicola Dimitri, Gianluca Breghi, Tiziana Spadafina

    Published 2025-01-01
    “…We developed a mathematical model to evaluate the impact of a vaccine for iNTS in 49 countries of sub-Saharan Africa. …”
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  18. 1538

    Fuzzy Inference-Based Adaptive Sonar Control for Collision Avoidance in Autonomous Underwater Vehicles by Kot Rafał

    Published 2024-12-01
    “…Simulations conducted based on the mathematical model of the AUV confirmed that the proposed approach increased the effectiveness of collision avoidance systems for AUVs compared to classical echosounder and sonar-based systems.…”
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  19. 1539

    Global and Local Structures of Bifurcation Curves of ODE with Nonlinear Diffusion by Tetsutaro Shibata

    Published 2018-01-01
    “…This equation is related to the mathematical model of animal dispersal and invasion, and λ is parameterized by the maximum norm α=uλ∞ of the solution uλ associated with λ and is written as λ=λ(α). …”
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  20. 1540

    Analytical solution for the problem of pure bending of orthotropic micropolar plate by Damjan Jurković, Gordan Jelenić, Sara Grbčić Erdelj

    Published 2024-12-01
    “…Here we consider an orthotropic form of such a problem, whereby two Young’s moduli, four Poison’s ratios and one characteristic length for bending are found to be sufficient to propose a mathematical model of this problem. General equations of the isotropic micropolar continuum are introduced, and the analytical solution for the pure bending of an isotropic micropolar plate is generalized to the case of orthotropic microstructure. …”
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