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5181
Meteorological Data-Based Optimal Control Strategy for Microalgae Cultivation in Open Pond Systems
Published 2019-01-01“…Controlling and optimizing such a nonlinear process strongly influenced by weather conditions is therefore tricky, but it is crucial to make this process economically sustainable. …”
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5182
Exploring the solutions of tempered (κ,ϖ)-Hilfer hybrid implicit boundary value problem
Published 2025-04-01“…Our study leverages the properties of tempered (κ,ϖ)-Hilfer fractional operators to explore the mathematical underpinnings of the problem, which is characterized by implicit nonlinear fractional differential equations. To derive the results, we employ Banach’s fixed point theorem, which facilitates the demonstration of the existence of solutions under certain contractive conditions. …”
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5183
Fault Feature Extraction and Diagnosis of Gearbox Based on EEMD and Deep Briefs Network
Published 2017-01-01“…A gear transmission system is a complex nonstationary and nonlinear time-varying coupling system. When faults occur on gear system, it is difficult to extract the fault feature. …”
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5184
Computational Studies on the Molecule 1-(2-Hydroxyethyl)-5-Fluorouracil in Gas Phase and Aqueous Solution and Prediction of Its Confinement inside Capped Nanotubes
Published 2019-01-01“…The large Eg values found suggest a good stability for the studied molecule. The predicted nonlinear optical (NLO) properties of the studied molecule are much greater than those of urea. …”
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5185
Fuzzy Networked Control Systems Design Considering Scheduling Restrictions
Published 2012-01-01“…The related control law is designed considering fuzzy logic approximation for nonlinear time delays coupling, where the main advantage is the integration of this behavior through extended state space representation keeping certain linear and bounded behavior and leading to a stable situation during events presentation by guaranteeing stability through Lyapunov.…”
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5186
A modified scheme to the multiple shooting method for BVPs
Published 2025-04-01“…The effectiveness of the proposed method is demonstrated through various test problems, including a ninth-order linear problem, a tenth-order nonlinear problem, and several stiff problems, with results showing superior performance compared to the standard shooting method and the modified decomposition method. …”
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5187
Fuzzy self-tuning fractional order PD permanent magnet synchronous motor speed control based on torque compensation
Published 2025-01-01“…Abstract The permanent magnet synchronous motor control system is characterized by its nonlinear and strongly coupled complexity, presenting significant challenges for control performance optimization. …”
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5188
A Search Method of NN Reducer’s Transmission Ratio
Published 2022-04-01“…The transmission ratio of NN reducer is discrete and nonlinear, and the gear matching method determines the volume and stability of a reducer. …”
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5189
Optimal Design and Analysis of Traction Steering Mechanism for Loading Transport Vehicle
Published 2021-05-01“…A trapezoidal traction steering mechanism based on Ackerman principle is designed, and uses the sequential quadratic programming genetic algorithm in multivariate nonlinear programming to optimize the specific dimensions of the trapezoidal traction steering mechanism, the size parameters which more satisfy the Ackerman principle are obtained. …”
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5190
Chinese medical named entity recognition model based on local enhancement
Published 2024-07-01“…Secondly, relative position encoding was combined to perform local attention calculations on sequence segments divided by sliding windows, and local information was fused with global information obtained from BiLSTM through nonlinear computation. Finally, the recognized entity heads and tails were combined by LENER to extract the entities. …”
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5191
High-Q Resonances Induced by Toroidal Dipole Bound States in the Continuum in Terahertz Metasurfaces
Published 2025-01-01“…Owing to their high-quality factor characteristics, BICs are extensively employed in nonlinear harmonic generators and sensors. Here, the influence of structural parameters on radiation modes has been systematically analyzed using band theory; the mechanisms of quasi-BIC mode and BIC mode were also analyzed through multipole decomposition of scattered power and near-field distribution. …”
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5192
Innovative soliton solutions for a (2+1)-dimensional generalized KdV equation using two effective approaches
Published 2024-12-01“…This detailed examination demonstrates the complex behavior of the model and its capability to explain a large scale of nonlinear wave occurrences in many physical settings. …”
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5193
Numerical Simulation Study of Progressive Collapse of Reinforced Concrete Frames with Masonry Infill Walls under Blast Loading
Published 2022-01-01“…The influence of masonry infill walls on the progressive collapse performance of reinforced concrete (RC) frame structures was investigated in this paper, using a nonlinear dynamic analysis approach. Based on ANSYS/LS-DYNA finite element software, two finite element models of RC frame structures with and without masonry infilled walls were established. …”
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5194
Achieving Fair Spectrum Allocation and Reduced Spectrum Handoff in Wireless Sensor Networks: Modeling via Biobjective Optimization
Published 2014-01-01“…We cast this problem into a multiobjective mixed integer nonconvex nonlinear programming that is definitely difficult to solve at least globally without any aid of conversion or approximation. …”
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5195
Abundant novel stochastic fractional solitary wave solutions of a new extended (3+1)-dimensional Kadomtsev–Petviashvili equation
Published 2025-04-01“…The (3+1)-dimensional Kadomtsev–Petviashvili equation arises in various physical contexts, including fluid mechanics, plasma physics, and nonlinear optics. Exact solutions play a vital role in understanding the physical behavior of a system. …”
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5196
Mechanical Performance and Design Method of Improved Lead Shear Damper with Long Stroke
Published 2018-01-01“…In order to verify the damping effect of ILSD-LS for the structures with long periods under long-period ground motions, the nonlinear time history analysis of a typical high-rise structure with ILSD-LS is carried out. …”
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5197
Improved Multibody Dynamics for Investigating Energy Dissipation in Train Collisions Based on Scaling Laws
Published 2016-01-01“…In IMM, the connection between two adjacent cars was expressed by a nonlinear spring and energy absorbing structures were equivalently represented by separate forces, instead of one force. …”
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5198
Joint channel and impulsive noise estimation method based on approximate message passing for NOMA systems
Published 2024-09-01“…To address this hyperparameter nonlinear non-convex problem, an expectation maximization (EM) implementation algorithm based on Gaussian generalized approximation message passing and sparse Bayesian learning (SBL) theory was designed. …”
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5199
Comparative Study of Popular Objective Functions for Damping Power System Oscillations in Multimachine System
Published 2014-01-01“…Linearized model simulations are performed to compare the dominant mode’s performance and then the nonlinear model is continued to evaluate the damping performance over power system oscillations. …”
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5200
The Exact Endoscopic Effect on the Peristaltic Flow of a Nanofluid
Published 2014-01-01“…The mathematical model is governed by a system of linear and nonlinear partial differential equations with prescribed boundary conditions. …”
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