Showing 5,621 - 5,640 results of 6,894 for search '"Nonlinearity"', query time: 0.06s Refine Results
  1. 5621

    High-Impedance Fault Detection in DC Microgrid Lines Using Open-Set Recognition by Ivan Grcić, Hrvoje Pandžić

    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. …”
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    Article
  2. 5622

    Spectral Quantitative Analysis Model with Combining Wavelength Selection and Topology Structure Optimization by Qian Wang, Boyan Cai, Yajie Yu, Hui Cao

    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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  3. 5623

    A Signal Based Triangular Structuring Element for Mathematical Morphological Analysis and Its Application in Rolling Element Bearing Fault Diagnosis by Zhaowen Chen, Ning Gao, Wei Sun, Qiong Chen, Fengying Yan, Xinyu Zhang, Maria Iftikhar, Shiwei Liu, Zhongqi Ren

    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). …”
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    Article
  4. 5624

    Galloping behavior of insulated overhead transmission line based on aerodynamic analysis by Hucheng Liang, Zekai Zhang, Xiaoxiao Kong, Daiyong Yang, Jianping Lie, Boxue Du

    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. …”
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    Article
  5. 5625

    Hypergraph-based resource allocation for Device-to-Device underlay H-CRAN network by Pan Zhao, Wenlei Guo, Datong Xu, Zhiliang Jiang, Jie Chai, Lijun Sun, He Li, Weiliang Han

    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. …”
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    Article
  6. 5626

    Customized Bus Route Optimization with the Real-Time Data by Kai Huang, Lin Xu, Yao Chen, Qixiu Cheng, Kun An

    Published 2020-01-01
    “…The second phase optimizes the bus route by establishing three nonlinear programming models under the given data from phase 1. …”
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  7. 5627

    Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient by Shuai Zhang, Wei-Guo Qiao, Yan-Zhi Li, Wei-Jie Song, Jun-Ling Qin, Ji-Yao Wang

    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. …”
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    Article
  8. 5628

    The central role of tilted anisotropy for field-free spin–orbit torque switching of perpendicular magnetization by Chen-Yu Hu, Wei-De Chen, Yan-Ting Liu, Chao-Chung Huang, Chi-Feng Pai

    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. …”
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    Article
  9. 5629

    Insights on Crash Injury Severity Control from Novice and Experienced Drivers: A Bivariate Random-Effects Probit Analysis by Daiquan Xiao, Quan Yuan, Shengyang Kang, Xuecai Xu

    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. …”
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    Article
  10. 5630

    Effects of Water Inrush from Tunnel Excavation Face on the Deformation and Mechanical Performance of Shield Tunnel Segment Joints by Tingsheng Zhao, Wen Liu, Zhi Ye

    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. …”
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    Article
  11. 5631

    Modeling of a Multi-Storey Building Made of Reinforced Concrete, Taking into Account Damage on a Deformable Foundation by Alexander A. Treshchev, Viktor G. Telichko, Anton M. Andronov

    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. …”
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    Article
  12. 5632

    Enhanced early prediction of Li-ion battery degradation using multicycle features and an ensemble deep learning model by Meilia Safitri, Teguh Bharata Adji, Adha Imam Cahyadi

    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. …”
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  13. 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... by Gbeminiyi Musibau Sobamowo, Ahmed Amoo Yinusa, Mufutau Adekojo Waheed, Antonio Marcos de Oliveira Siqueira

    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. …”
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    Article
  14. 5634

    Development of an Ensemble Intelligent Model for Assessing the Strength of Cemented Paste Backfill by Yuantian Sun, Guichen Li, Junfei Zhang, Junbo Sun, Jiahui Xu

    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. …”
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    Article
  15. 5635

    Assembly Accuracy Analysis Method Based on Multi‐Stage Linearized Contact by Wenbin Tang, Yadong Li, Tong Yan, Min Zhang

    Published 2025-01-01
    “…ABSTRACT Precision improvement in mechanical manufacturing faces challenges due to nonlinear effects impacting assembly accuracy analysis models. …”
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  16. 5636

    Explicit travelling wave solutions to the time fractional Phi-four equation and their applications in mathematical physics by Ayesha Farooq, Tooba Shafique, Muhammad Abbas, Asnake Birhanu, Y. S. Hamed

    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. …”
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  17. 5637

    Unsteady Aerodynamic Modeling Based on POD-ARX by Xiaopeng Wang, Chen’an Zhang, Wen Liu, Famin Wang, Zhengyin Ye

    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.…”
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  18. 5638

    Jeffrey fluid flow past inclined stretchable sheet with magnetic dipole and suction/injection by Iyoko M.O., Olajuwon B.I., Fagbemiro O., Raji M.T.

    Published 2024-01-01
    “…The applicable equations were changed into nonlinear ordinary differential equations by similarity transformations. …”
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    Article
  19. 5639

    An Accurate Integral Method for Vibration Signal Based on Feature Information Extraction by Yong Zhu, Wanlu Jiang, Xiangdong Kong, Zhi Zheng, Haosong Hu

    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. …”
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    Article
  20. 5640

    Advancements and Challenges in Active Magnetic Bearings: A Comprehensive Review of Performance, Control, and Future Prospects by Debarghya Dutta, Pabitra Kumar Biswas, Sukanta Debnath, Furkan Ahmad

    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. …”
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    Article