Showing 2,121 - 2,140 results of 5,544 for search '"Nonlinearity"', query time: 0.08s Refine Results
  1. 2121

    Short-term power consumption forecasting using neural networks with first- and second-order differencing by Meftah Elsaraiti

    Published 2024-10-01
    “…However, they often struggle with capturing the nonlinearity and complexity inherent in real-world data, especially in the presence of high seasonal variability. …”
    Get full text
    Article
  2. 2122

    Existence Results for Polyharmonic Boundary Value Problems in the Unit Ball by Sonia Ben Othman, Habib Mâagli, Malek Zribi

    Published 2007-01-01
    “…Under appropriate conditions related to a Kato class on the nonlinearity g(x,t), we give some existence results. …”
    Get full text
    Article
  3. 2123

    Association between the cumulative estimated glucose disposal rate and incident cardiovascular disease in individuals over the age of 50 years and without diabetes: data from two l... by Jin Zhang, Ziyi Sun, Yufei Li, Yuhan Yang, Wenjie Liu, Mengwen Huang, Kuiwu Yao

    Published 2025-01-01
    “…The RCS regression model showed a negative and linear association between the cumulative eGDR and incidence of CVD (CHARLS: P < 0.001, P for nonlinearity = 0.248; HRS: P = 0.013, P for nonlinearity = 0.121). …”
    Get full text
    Article
  4. 2124

    Rolling Element Bearing Fault Diagnosis Based on Multiscale General Fractal Features by Weigang Wen, Zhaoyan Fan, Donald Karg, Weidong Cheng

    Published 2015-01-01
    “…Nonlinear characteristics are ubiquitous in the vibration signals produced by rolling element bearings. …”
    Get full text
    Article
  5. 2125

    A Decoupling Control Method for Shunt Hybrid Active Power Filter Based on Generalized Inverse System by Xin Li, Bo Li

    Published 2017-01-01
    “…In this paper, a novel decoupling control method based on generalized inverse system is presented to solve the problem of SHAPF (Shunt Hybrid Active Power Filter) possessing the characteristics of 2-input-2-output nonlinearity and strong coupling. Based on the analysis of operation principle, the mathematical model of SHAPF is firstly built, which is verified to be invertible using interactor algorithm; then the generalized inverse system of SHAPF is obtained to connect in series with the original system so that the composite system is decoupled under the generalized inverse system theory. …”
    Get full text
    Article
  6. 2126

    Quantitative Study of Load Stability of Quadrotor Based on Lyapunov Exponents by Tiantian Dong, Yonghong Zhang, Yunping Liu, Cheng Chen

    Published 2023-01-01
    “…This approach resolves the challenge of constructing system eigenvalues due to the nonlinearity and high order of the quadrotor. To enhance the reliability of stability analysis, a quantitative relationship between system dynamics parameters and motion stability is established by combining the dynamic model with the Lyapunov exponent method. …”
    Get full text
    Article
  7. 2127

    Existence and Global Asymptotic Behavior of Singular Positive Solutions for Radial Laplacian by Imed Bachar, Habib Mâagli, Said Mesloub

    Published 2019-01-01
    “…We emphasize that the nonlinearity might also be singular at u=0, while the solution could blow-up at 0. …”
    Get full text
    Article
  8. 2128

    Derivation of ODEs and Bifurcation Analysis of a Two-DOF Airfoil Subjected to Unsteady Incompressible Flow by H. Alighanbari, S. M. Hashemi

    Published 2009-01-01
    “…The differential equations are then used for the bifurcation analysis of an airfoil with a structural nonlinearity in the pitch direction. Sample bifurcation diagrams showing both stable and unstable limit cycle oscillation are presented. …”
    Get full text
    Article
  9. 2129

    Multivariate Local Polynomial Regression with Application to Shenzhen Component Index by Liyun Su

    Published 2011-01-01
    “…This study attempts to characterize and predict stock index series in Shenzhen stock market using the concepts of multivariate local polynomial regression. Based on nonlinearity and chaos of the stock index time series, multivariate local polynomial prediction methods and univariate local polynomial prediction method, all of which use the concept of phase space reconstruction according to Takens' Theorem, are considered. …”
    Get full text
    Article
  10. 2130

    New Exact Solutions of Ion-Acoustic Wave Equations by (G′/G)-Expansion Method by Wafaa M. Taha, M. S. M. Noorani, I. Hashim

    Published 2013-01-01
    “…Many new exact traveling wave solutions of the Schamel equation, Schamel-KdV (S-KdV), and the two-dimensional modified KP (Kadomtsev-Petviashvili) equation with square root nonlinearity are constructed. The traveling wave solutions obtained via this method are expressed by hyperbolic functions, the trigonometric functions, and the rational functions. …”
    Get full text
    Article
  11. 2131

    Prediction of Matrix Failure in Fibre Reinforced Polymer Composites by J. Wang, W. K. Chiu

    Published 2013-01-01
    “…This paper also provided a preliminary discussion about the issues when material nonlinearity of the matrix material is involved.…”
    Get full text
    Article
  12. 2132

    Direction of Arrival Estimation Accuracy Enhancement via Using Displacement Invariance Technique by Youssef Fayad, Caiyun Wang, Qunsheng Cao, Alaa El-Din Sayed Hafez

    Published 2015-01-01
    “…It is worth mentioning that the subspace approach has been employed into ESPRIT and DIT methods to reduce the computational complexity and the model’s nonlinearity effect. The DOAE accuracy has been verified by closed-form Cramér-Rao bound (CRB). …”
    Get full text
    Article
  13. 2133

    Finite-Time Antisaturation Tracking Control for Hypersonic Vehicle with Uncertain Dynamics by Yuwei Cui, Yushan He, Aijun Li, Jun Li, Shuo Song

    Published 2020-01-01
    “…Furthermore, an auxiliary system is established to cope with the nonlinearity caused by actuator saturation. It is concluded by a Lyapunov-based analysis that the finite-time stability is guaranteed under the developed architecture. …”
    Get full text
    Article
  14. 2134

    Simulation of Octopus Arm Based on Coupled CPGs by Juan Tian, Qiang Lu

    Published 2015-01-01
    “…The octopus arm is made of a soft material introducing high-dimensionality, nonlinearity, and elasticity, which makes the octopus arm difficult to control. …”
    Get full text
    Article
  15. 2135

    Existence and Uniqueness of Solutions for Fractional Boundary Value Problems under Mild Lipschitz Condition by Imed Bachar, Habib Mâagli, Hassan Eltayeb

    Published 2021-01-01
    “…This paper deals with the following boundary value problem Dαut=ft,ut,t∈0,1,u0=u1=Dα−3u0=u′1=0, where 3<α≤4,Dα is the Riemann-Liouville fractional derivative, and the nonlinearity f, which could be singular at both t=0 and t=1, is required to be continuous on 0,1×ℝ satisfying a mild Lipschitz assumption. …”
    Get full text
    Article
  16. 2136

    A BP Neural Network-Based GIS-Data-Driven Automated Valuation Framework for Benchmark Land Price by Lei Wu, Yu Zhang, Yongchang Wei, Fangyu Chen

    Published 2022-01-01
    “…However, this problem becomes highly challenging due to the multidimension, large volume, and nonlinearity of the land price-influencing factors. In this paper, an effective data-driven automated valuation framework is proposed for valuing real estate assets by combining a GIS (geographic information system) and neural network technologies. …”
    Get full text
    Article
  17. 2137

    Numerical Modeling of the Internal Dispersive Shock Wave in the Ocean by Tatiana Talipova, Efim Pelinovsky, Oxana Kurkina, Andrey Kurkin

    Published 2015-01-01
    “…The theoretical model is based on extended version of the Korteweg-de Vries equation which takes into account the effects of cubic nonlinearity and Earth rotation. This model is now very popular in the physical oceanography. …”
    Get full text
    Article
  18. 2138

    Low Threshold, Wide Dynamic Range, Tunable, All-Optical Self-Modulator Based on Fano Resonance and Out-of-Plane Coupling in a Slab Photonic Crystal with a Graphene Layer by Reza Asadi, Zhengbiao Ouyang

    Published 2015-01-01
    “…We demonstrate an all-optical modulator based on self-modulation in a one-dimensional slab photonic crystal (PhC) by using optical Kerr nonlinearity of graphene and Fano resonance effect. It has been shown that the effect of Fano resonance in a one-dimensional slab PhC for intensity enhancement can provide low threshold (~1 MW/cm2), high frequency (>1 THz), and wide dynamic range (>3 THz) tunability for the all-optical self-modulator. …”
    Get full text
    Article
  19. 2139

    A New Method for Predicting Residual Strength of Rock in Water Diversion Tunnel Using Drilling Process Monitoring by Wanfei Gao

    Published 2022-01-01
    “…The proposed model parameter, contact friction coefficient of rock, controls the nonlinearity of the peak strength and residual strength. …”
    Get full text
    Article
  20. 2140

    Study on Impeller Fracture Model Based on Vibration Characteristics and Fractal Theory by Xiaolong Zhang, Ruishan Yuan, Yonghui Xie

    Published 2015-01-01
    “…The failure process characterizes with strong nonlinearity, and hence it is difficult to be described by conventional methods. …”
    Get full text
    Article