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5521
Analysis and Experimental Study of Acceleration Model for Short Interval and Multiple Impact Equipment
Published 2019-01-01“…On this basis, a line contact model is adopted to modify the equivalent damping coefficient and obtain a nonlinear spring damping contact force model based on the line contact, and then a rigid body acceleration model of the impact experiment is established. …”
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5522
Estimation of the Dynamic Moduli of Viscoelastic Asphalt Mixtures Using the Extended Kalman Filter Algorithm
Published 2018-01-01“…We compared IRT-derived viscoelastic master curves obtained via compressive frequency sweep testing to those derived using the EKF algorithm, which employs a nonlinear sigmoidal curve and a Taylor series to explore the viscoelastic function. …”
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5523
Optimum Scheduling the Electric Distribution Substations with a Case Study: An Integer Gaining-Sharing Knowledge-Based Metaheuristic Algorithm
Published 2020-01-01“…The aim is to minimize the total establishing and operating costs of the stations based on a mathematical programming model with nonlinear objective function and integer decision variables. …”
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5524
Flexible Temporary Shield in Soft and Sensitive Clay: 3D FE Modelling of Experimental Field Test
Published 2021-01-01“…The excavation trench model was 6 m (20 ft) deep and was considered as nonlinear and anisotropic clay. A 45 kPa (0.94 ksf) surface overload on top of the soil near the trench box was also simulated to produce a maximum load case on the flexible wall of the shield. …”
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5525
A Hybrid Model for Prediction in Asphalt Pavement Performance Based on Support Vector Machine and Grey Relation Analysis
Published 2020-01-01“…The study concluded that the nonlinear and multivariate prediction model established by GRA-SVR has higher precision and operability, which can be used in long-period pavement performance prediction.…”
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5526
Modeling Evapotranspiration Response to Climatic Forcings Using Data-Driven Techniques in Grassland Ecosystems
Published 2018-01-01“…This is attributed partly to the considerable development of machine learning techniques that allow the scientific community to use these advanced tools for approximating the nonlinear processes affecting the variation of water vapor in terrestrial ecosystems. …”
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5527
Efficient and Accurate Optimal Linear Phase FIR Filter Design Using Opposition-Based Harmony Search Algorithm
Published 2013-01-01“…A comparison of simulation results reveals the optimization efficacy of the OHS over the other optimization techniques for the solution of the multimodal, nondifferentiable, nonlinear, and constrained FIR filter design problems.…”
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5528
Design and Simulation of Power Quality Improvement System for Low Voltage Distribution Networks in Uganda.
Published 2024“…The detailed universal active power filter shall be designed and simulated for balanced nonlinear loads using MATLAB/Simulink. The simulation results are intended to indicate that the proposed filter can minimise the harmonic distortion to a level below that deployed by the institute of electrical and electronics engineers (IEEE) standard, which say that THD in a network should not exceed 5%.This project focused on enhancing power quality in low voltage distribution networks at the point of common coupling (PPC) through the design and simulation of a universal active filter system. …”
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5529
Association between non-insulin-based insulin resistance indicators and frailty progression: a national cohort study and mendelian randomization analysis
Published 2025-01-01“…A linear relationship was observed between baseline TyG index and frailty risk (P nonlinear = 0.696), but nonlinear association patterns for eGDR (P nonlinearity < 0.010) and METS-IR (P nonlinearity < 0.010). …”
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5530
Spectral Quantitative Analysis Model with Combining Wavelength Selection and Topology Structure Optimization
Published 2016-01-01“…For the proposed method, backpropagation neural network is adopted for building the component prediction model, and the simultaneousness optimization of the wavelength selection and the topology structure of neural network is realized by nonlinear adaptive evolutionary programming (NAEP). …”
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5531
Real-Time Implementation of Islanded Microgrid for Remote Areas
Published 2016-01-01“…The effectiveness of the proposed controller is analyzed through experimental results under balanced/unbalanced nonlinear loads condition.…”
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5532
A New Health Condition Detection Method for Planetary Gears Based on Modified Distributed Compressed Sensing and Multiscale Symbol Dynamic Entropy
Published 2021-01-01“…Aiming at the problem of how to extract fault information from vibration signals of nonlinear and nonstationary planetary gearboxes, a performance degradation evaluation index of planetary gearboxes based on improved distributed compressed sensing and modified multiscale symbolic dynamic entropy (DCSMDE) is proposed. …”
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5533
Algorithm for determining the operating parameters of an electrical network in the problem of optimal reconfiguration in real time
Published 2025-01-01“…The developed algorithm is based on solving nonlinear systems of equations of nodal voltages using the Newton–Raphson method, as well as on correcting the parameters of the previously calculated operating mode using the sensitivity matrix. …”
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5534
Numerical Analysis of J-Hook Connectors’ Effect on the Performance of Steel-Concrete Composite Shear Walls
Published 2023-05-01“…After verifying the accuracy of the model, a parametric analysis is defined and further studies are performed by using a nonlinear in-crescent static method (pushover method). …”
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5535
Effect of Process Parameters on Short Fiber Orientation along the Melt Flow Direction in Water-Assisted Injection Molded Part
Published 2019-01-01“…An artificial neural network was used to establish the nonlinear agent model between the process parameters and A11 representing the fiber orientation in melt flow direction. …”
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5536
Movement of the South Russian Frontier in the 17th – First Half of the 19th Centuries as the Development of the “Wild Fields”
Published 2025-02-01“…In conclusion, the authors drew attention to the usefulness of studying the nonlinear effects in the development of the “Wild Fields”. …”
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5537
2DUMAP: Two-Dimensional Uniform Manifold Approximation and Projection for Fault Diagnosis
Published 2025-01-01“…The currently popular manifold learning dimensionality reduction algorithm, Uniform Manifold Approximation and Projection (UMAP), effectively extract complex nonlinear relationships in fault diagnosis data while preserving both local and global structures. …”
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5538
High-Stability PGC-EKF Demodulation Algorithm Integrated with a Phase Delay Compensation Module
Published 2025-01-01“…To effectively eliminate the nonlinear distortion caused by the modulation depth (<i>C</i> value) drift and carrier phase delay (<i>θ</i>) in the phase-generated carrier (PGC) demodulation scheme, the PGC-PDC-EKF joint algorithm is presented, which combines phase delay compensation (PDC) with an extended Kalman filter (EKF). …”
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5539
Evaluation of snow-drifting influencing factors and susceptibility of transportation infrastructure lines
Published 2025-01-01“…The use of the GA-BP algorithm effectively captured the complex nonlinear relationships among various factors, producing evaluation results highly consistent with real-world conditions. …”
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5540
Monitoring the Accuracy of Measurements the Load of Industrial Enterprises
Published 2020-10-01“…These methods include monitoring by the first increments of the load, which characterize the speed of its alterations, as well as control using linear and nonlinear extrapolations of the first increments. …”
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