Showing 3,881 - 3,900 results of 6,894 for search '"Nonlinearity"', query time: 0.11s Refine Results
  1. 3881

    Rapid Methods for Transfer Function Coefficient Determination of Boiler Superheater Sections under Various Loads by G. T. Kulakov, Yu. V. Makosko, M. L. Korzoun, А. A. Salej

    Published 2012-08-01
    “…The rapid methods make it possible to obtain analytical nonlinear dependences pertaining to changes of superheater transfer function parameters through the channel of regulatory impact, that provides parameter optimization of the dynamic knob injection adjustment throughout the whole range of power block load changes.…”
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    Article
  2. 3882

    Numerical and analytical approach to the Chandrasekhar quadratic functional integral equation using Picard and Adomian decomposition methods by Eman A. A. Ziada, Hind Hashem, Asma Al-Jaser, Osama Moaaz, Monica Botros

    Published 2024-11-01
    “…This research aimed to find numerical solutions to a type of nonlinear initial value problem (IVP) for hybrid fractional differential equations. …”
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  3. 3883

    Synthesis of Multicriteria Controller by Means of Fuzzy Logic Approach by Andrew Lozynskyy, Lyubomyr Demkiv

    Published 2014-01-01
    “…For fuzzification process, classical both linear and nonlinear membership functions are used. To find optimal values of membership function’s parameters, genetic algorithm is used. …”
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  4. 3884

    Travelling wave solutions for higher-order wave equations of KDV type (III) by Jibin Li, Weigou Rui, Yao Long, Bin He

    Published 2005-10-01
    “…By using the theory of planar dynamical systems to the travellingwave equation of a higher order nonlinear wave equations of KdV type, theexistence of smooth solitary wave, kink wave and anti-kink wave solutions anduncountably infinite many smooth and non-smooth periodic wave solutions areproved. …”
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  5. 3885

    Approximate Solution of Tuberculosis Disease Population Dynamics Model by Abdon Atangana, Necdet Bildik

    Published 2013-01-01
    “…We examine possible approximate solutions of both integer and noninteger systems of nonlinear differential equations describing tuberculosis disease population dynamics. …”
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    Article
  6. 3886

    Two-Stage Optimization Method for the Bearing Layout of Isolated Structure by Yu Dang, GenXiong Zhao, HongTu Tian, Guobao Li

    Published 2021-01-01
    “…Design of seismic isolated building is often a highly iterative and tedious process due to the nonlinear behavior of the system, a large range of design parameters, and uncertainty of ground motions. …”
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    Article
  7. 3887

    Robust Position Control of VTOL UAVs Using a Linear Quadratic Rate-Varying Integral Tracker: Design and Validation by Omer Saleem, Muhammad Kazim, Jamshed Iqbal

    Published 2025-01-01
    “…This article presents an optimal tracking controller retrofitted with a nonlinear adaptive integral compensator, specifically designed to ensure robust and accurate positioning of Vertical Take-Off and Landing (VTOL) Unmanned Aerial Vehicles (UAVs) that utilize contra-rotating motorized propellers for differential thrust generation. …”
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  8. 3888

    Pb (II) Recovery by Modified Tuffite: Adsorption, Desorption, and Kinetic Study by Beyhan Kocadagistan, Kubra Oksuz

    Published 2022-01-01
    “…In order to optimize the adsorption system and investigate the kinetic behaviour of adsorption, nonlinear isotherm and kinetic models were used as well as linearized models. …”
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  9. 3889

    Use of Artificial Neural Networks and Multiple Linear Regression Model for the Prediction of Dissolved Oxygen in Rivers: Case Study of Hydrographic Basin of River Nyando, Kenya by Yashon O. Ouma, Clinton O. Okuku, Evalyne N. Njau

    Published 2020-01-01
    “…The process of predicting water quality over a catchment area is complex due to the inherently nonlinear interactions between the water quality parameters and their temporal and spatial variability. …”
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    Article
  10. 3890

    Evaluation of Soil Quality in Arid Western Fringes of the Nile Delta for Sustainable Agriculture by Ahmed M. Saleh, Mohamed M. Elsharkawy, Mohamed A. E. AbdelRahman, Sayed M. Arafat

    Published 2021-01-01
    “…Three quality index models are included: the Additive Soil Quality Index (SQI-A), the Weighted Additive Soil Quality Index (SQI-W), and the Nemoro Soil Quality Index (SQI-N). Linear and nonlinear scoring functions are evaluated for scoring soil and terrain indicators. …”
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    Article
  11. 3891

    Investigation of Stochastic Seismic Response and Index Correlation of an Arch Dam Using Endurance Time Analysis Method by Qiang Xu, Shutong Xu, Jianyun Chen, Jing Li

    Published 2020-01-01
    “…Seismic response assessment of a concrete arch dam is conducted through nonlinear endurance time analysis (ETA) of a typical arch dam. …”
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  12. 3892

    ESO-Based Non-Singular Terminal Filtered Integral Sliding Mode Backstepping Control for Unmanned Surface Vessels by Jianping Yuan, Zhuohui Chai, Qingdong Chen, Zhihui Dong, Lei Wan

    Published 2025-01-01
    “…Aiming at the control challenges faced by unmanned surface vessels (USVs) in complex environments, such as nonlinearities, parameter uncertainties, and environmental perturbations, we propose a non-singular terminal integral sliding mode control strategy based on an extended state observer (ESO). …”
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  13. 3893

    Rethinking the measurements and predictors of environmental degradation in Ethiopia: Predicting long-term impacts using a kernel-based machine learning approach by Tesfaye Etensa, Tekie Alemu, Mengesha Yayo

    Published 2025-02-01
    “…The relationships among these predictors are complex, often nonlinear, non-additive, and include reverse causality, making it difficult for traditional econometric models to capture them. …”
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  14. 3894

    Marked point process variational autoencoder with applications to unsorted spiking activities. by Ryohei Shibue, Tomoharu Iwata

    Published 2024-12-01
    “…To demonstrate the strength of this approach, we integrate our model into a state space model with a nonlinear embedding to capture the hidden state dynamics underlying the observed covariates and unsorted spikes. …”
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  15. 3895

    A Multi-Method Comparison of Machine Learning in predicting pharmacokinetic parameters: A simulation study by marziyeh Doostfatemeh, kamal Amini, Elham Haem

    Published 2024-12-01
    “…This makes SVR a promising method for covariate selection in nonlinear mixed-effect models. Conclusion: The Lasso method offered a higher MAE, making it less promising than RF and SVR, especially when dealing with a high correlation between covariates and a low number of individuals. …”
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  16. 3896

    Testing the Strength of Chaotic Systems as Seeds in a Pseudo Random Bit Generator by Lazaros Moysis, Marcin Lawnik, Christos Volos, Murilo S. Baptista, Sotirios K. Goudos, George F. Fragulis

    Published 2025-01-01
    “…First, the structure of the bit generator’s nonlinear hash is studied. Then, using a collection of different maps, the generator is evaluated with respect to randomness, key space size, operations per bit ratio, and execution speed. …”
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  17. 3897

    Hybrid optimization of EDLP and high-low pricing strategies by Hamed Karimi

    Published 2025-01-01
    “…To enhance the model's practical applicability, particularly in small-scale scenarios, the nonlinear problem is transformed into a Mixed-Integer Programming (MIP) model, facilitating its solvability. …”
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  18. 3898
  19. 3899

    Investigation of new solitary stochastic structures to the Heisenberg ferromagnetic spin chain model via a Stratonovich sense by Md. Nur Alam

    Published 2025-03-01
    “…Solitons, as localized wave phenomena, play a significant role in many areas of nonlinear science, such as quantum mechanics, plasma physics, fluid dynamics, water engineering, and optical fiber technology.…”
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  20. 3900

    Safety Assessment of Ship Collision with Piers under the Protection of Anti-Collision Floating Box Based on BIM Technology by Ying-hao Chen, Cheng Liu, Xue-feng Zhao, Fa-xiong Li

    Published 2022-01-01
    “…In order to research the force state of the piers subjected to a ship collision under the protection of floating anti-collision facilities, this study uses nonlinear spring connections to simulate the impact of ship damping and incidental water quality in the collision area. …”
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