-
5621
High-Impedance Fault Detection in DC Microgrid Lines Using Open-Set Recognition
Published 2024-12-01“…However, the waveform of high-impedance faults differs from that of other transients as it is characterized by a repetitive and nonlinear pattern caused by current reignition. Various methods have been proposed to exploit fault response waveforms for detecting high-impedance faults, including those based on deep discriminative intelligent classification. …”
Get full text
Article -
5622
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). …”
Get full text
Article -
5623
A Signal Based Triangular Structuring Element for Mathematical Morphological Analysis and Its Application in Rolling Element Bearing Fault Diagnosis
Published 2014-01-01“…Mathematical morphology (MM) is an efficient nonlinear signal processing tool. It can be adopted to extract fault information from bearing signal according to a structuring element (SE). …”
Get full text
Article -
5624
Galloping behavior of insulated overhead transmission line based on aerodynamic analysis
Published 2025-01-01“…As the wind speed increases, the maximum galloping displacement for iced lines exhibits a nonlinear increasing trend. The inflection point wind speed for the elliptical iced line is 5 m/s, while that for the crescent-shaped iced line is 9 m/s. …”
Get full text
Article -
5625
Hypergraph-based resource allocation for Device-to-Device underlay H-CRAN network
Published 2020-08-01“…To solve the non-convex mixed integer nonlinear optimization problem, the optimization model is decomposed into two sub-problems, which are all solvable quasi-convex power allocation and non-convex channel allocation. …”
Get full text
Article -
5626
Customized Bus Route Optimization with the Real-Time Data
Published 2020-01-01“…The second phase optimizes the bus route by establishing three nonlinear programming models under the given data from phase 1. …”
Get full text
Article -
5627
Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient
Published 2019-01-01“…Experimental data showed that Forchheimer equation could provide an excellent description of the nonlinear relationship between hydraulic gradient and flow velocity, and the variations of Forchheimer coefficients with joint roughness coefficient (JRC) were studied. …”
Get full text
Article -
5628
The central role of tilted anisotropy for field-free spin–orbit torque switching of perpendicular magnetization
Published 2024-01-01“…We show experimentally and in simulation that in a PMA system with tilted anisotropy, the deterministic field-free switching exhibits a conventional SHE-induced damping-like torque feature, and the resulting current-induced effective field shows a nonlinear dependence on the applied current density. …”
Get full text
Article -
5629
Insights on Crash Injury Severity Control from Novice and Experienced Drivers: A Bivariate Random-Effects Probit Analysis
Published 2021-01-01“…In order to estimate two (seemingly unrelated) nonlinear processes and to control for interrelations between the unobservables, the bivariate random-effects probit model was built up, in which injury severity levels of novice and experienced drivers were addressed by bivariate (seemingly unrelated) probit simultaneously, and the interrelations between the unobservables (i.e., heterogeneity issue) were accommodated by bivariate random-effects model. …”
Get full text
Article -
5630
Effects of Water Inrush from Tunnel Excavation Face on the Deformation and Mechanical Performance of Shield Tunnel Segment Joints
Published 2017-01-01“…In this study, the discontinuity of shield tunnel lining and the interaction between the tunnel segments, the grouting layer, and the surrounding rock are considered. Based on the 3D nonlinear contact theory, a hybrid model of the shield tunnel is constructed. …”
Get full text
Article -
5631
Modeling of a Multi-Storey Building Made of Reinforced Concrete, Taking into Account Damage on a Deformable Foundation
Published 2023-10-01“…The sensitivity of the physical and mechanical characteristics of the building and foundation material to the type of stress state, the development of plastic deformations in reinforcement, damage in the form of cracking, and induced heterogeneity are taken into account. The relations for nonlinear isotropic materials proposed in the frame-work of the theory of normalized stress spaces are taken as constitutive relations. …”
Get full text
Article -
5632
Enhanced early prediction of Li-ion battery degradation using multicycle features and an ensemble deep learning model
Published 2025-03-01“…Achieving high accuracy in the early prediction of Li-ion battery degradation is challenging owing to the nonlinear and dynamic nature of battery aging. This study introduces a GRU-LSTM ensemble model that combines Gated Recurrent Units (GRU) and Long Short-Term Memory (LSTM) networks to forecast the end-of-life (EoL) of LIBs. …”
Get full text
Article -
5633
Unsteady Squeezing Flow and Heat Transfer Analysis of Magnetohydrodynamic Third-grade Nanofluid between Two Disks Embedded in a Porous Medium subjected to Thermal Radiation using H...
Published 2022-11-01“… The non-linear behaviours of non-Newtonian fluids under various flow conditions continue to arouse research interests in recent times. In this work, nonlinear analysis of unsteady squeezing flow and heat transfer of a third-grade nanofluid between two parallel disks embedded in a porous medium under the influences of thermal radiation and temperature jump boundary conditions is studied using homotopy perturbation method. …”
Get full text
Article -
5634
Development of an Ensemble Intelligent Model for Assessing the Strength of Cemented Paste Backfill
Published 2020-01-01“…Predicting the UCS of CPB using traditional mathematical models is far from being satisfactory due to the highly nonlinear relationships between the UCS and a large number of influencing variables. …”
Get full text
Article -
5635
Assembly Accuracy Analysis Method Based on Multi‐Stage Linearized Contact
Published 2025-01-01“…ABSTRACT Precision improvement in mechanical manufacturing faces challenges due to nonlinear effects impacting assembly accuracy analysis models. …”
Get full text
Article -
5636
Explicit travelling wave solutions to the time fractional Phi-four equation and their applications in mathematical physics
Published 2025-01-01“…In this current work, the key objective is to analyze the consequences of fractional variables on the soliton wave dynamic behavior in a nonlinear time-fractional Phi-four equation. Using the formulation of the conformable fractional derivative it illustrates some of the recovered solutions and analyze their dynamic behavior. …”
Get full text
Article -
5637
Unsteady Aerodynamic Modeling Based on POD-ARX
Published 2018-01-01“…Results show that this method can produce a stable and accurate prediction to the aerodynamic response with significant improvement of computational efficiency for linear and even some nonlinear aerodynamic problems. In addition, this method also shows good wide-band characteristics by using the “3211” multistep signal as the training signal.…”
Get full text
Article -
5638
Jeffrey fluid flow past inclined stretchable sheet with magnetic dipole and suction/injection
Published 2024-01-01“…The applicable equations were changed into nonlinear ordinary differential equations by similarity transformations. …”
Get full text
Article -
5639
An Accurate Integral Method for Vibration Signal Based on Feature Information Extraction
Published 2015-01-01“…This method took full advantage of the self-adaptive filter characteristic and waveform correction feature of ensemble empirical mode decomposition in dealing with nonlinear and nonstationary signals. This research merged the superiorities of kurtosis, mean square error, energy, and singular value decomposition on signal feature extraction. …”
Get full text
Article -
5640
Advancements and Challenges in Active Magnetic Bearings: A Comprehensive Review of Performance, Control, and Future Prospects
Published 2025-01-01“…However, controlling AMBs presents difficulties due to their nonlinear and inherently unstable nature. The paper focuses on examining the benefits and drawbacks of AMBs, including fault analyses. …”
Get full text
Article