Showing 281 - 300 results of 338 for search 'nonlinear issues simulation', query time: 0.18s Refine Results
  1. 281

    Creep Model of Weakly Cemented Soft Rock Considering Damage and Secondary Development in FLAC3D by Junhong Huang, Shanchao Hu, Xuelong Li, Shihao Guo, Chenxi Zhang, Zhihao Gao, Jinhao Dou, Dawang Yin, Yafei Cheng

    Published 2025-04-01
    “…The time-dependent deformation control of weakly cemented soft rock in deep underground engineering is a critical scientific issue that directly affects the long-term stability of roadways. …”
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    Article
  2. 282

    Comparison of principal component analysis algorithms for imputation in agrometeorological data in high dimension and reduced sample size. by Valter Cesar de Souza, Sergio Augusto Rodrigues, Luís Roberto Almeida Gabriel Filho

    Published 2024-01-01
    “…However, temporal records often encounter issues such as missing measurements. The aim of this study was to evaluate the performance of alternative multivariate procedures for principal component analysis (PCA), using the Nonlinear Iterative Partial Least Squares (NIPALS) and Expectation-Maximization (EM) algorithms, for imputing missing data in time series of meteorological variables. …”
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  3. 283

    Multi-input PINN Surrogate Model for Digital Twin of Lead-cooled Fast Reactor Main Pump by GUO Yiwen, LI Liangxing, XIANG Zutao, GUI Jiabin, SHI Shang, LEI Zhenxin, XU Xiangyang

    Published 2025-05-01
    “…Currently, the design of MCP for LFR heavily relies on extensive numerical simulations, requiring the generation of high-quality meshes and the discretization of governing equations for computation. …”
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    Article
  4. 284

    Remaining useful life prediction of a small sample of aero-engine based on an improved gray Markov model by Dong-hai Li, Ji-liang Tu, Hui Liu, Nai-zhi Liao

    Published 2025-06-01
    “…Second, a gray-Markov hybrid model is developed to capture nonlinear wear dynamics, where polynomial fitting simulates accelerated failure modes in late life. …”
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    Article
  5. 285

    Verification of fast ion and rotation effects on turbulence through comparison of GENE and CGYRO with L-mode plasmas in KSTAR by Donguk Kim, Taeuk Moon, Choongki Sung, Eisung Yoon, Sumin Yi, Jisung Kang, Jae-Min Kwon, Tobias Görler, Emily Belli, Jeff Candy

    Published 2025-01-01
    “…Phys. 324 73–93), using L-mode plasma profiles from KSTAR for local linear and nonlinear electromagnetic simulations. The focus is on the impact of fast ions and rotation effects on energy flux, aiming to identify the similarities and differences between these codes in the context of turbulence transport research. …”
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  6. 286
  7. 287

    Reservoir parameter prediction technology based on deep learning and its application in the Panyu 4 Sag, Pearl river mouth Bain by Yingwei Li, Yanhui Zhu, Zhenshen Li, Xiaozhao Zhang, Guofu Cai

    Published 2025-04-01
    “…To address this issue, this paper proposes a method using a convolutional neural network for predicting porosity and facies distribution. …”
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    Article
  8. 288

    Adaptive speed control of BLDC motors for enhanced electric vehicle performance using fuzzy logic by R. Shenbagalakshmi, Shailendra Kumar Mittal, J. Subramaniyan, V. Vengatesan, D. Manikandan, Krishnaraj Ramaswamy

    Published 2025-04-01
    “…A state-space modelling technique for the BLDC motor is used in this study to address these issues, incorporating a Fuzzy Logic Controller (FLC) for accurate speed control. …”
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    Article
  9. 289

    Underwater Manipulator Linear Active Disturbance Rejection Control Based on Hierarchical Cascaded Linear Extended State Observer by Yulong Xu, Kailan Gao, Xuelin Wang, Qian Li, Changlin Wang, Peng Wang

    Published 2024-01-01
    “…Addressing the challenges of strong coupling, nonlinearity, and time-varying characteristics in underwater manipulator systems, along with the inevitable environmental disturbances such as gravity, buoyancy, and hydrodynamic forces that reduce system state convergence speed and affect control performance, an underwater manipulator dynamic model integrating the Lagrange equation, Morison equation, and nonlinear friction forces is built. …”
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    Article
  10. 290

    A Distributed Collaborative Navigation Strategy Based on Adaptive Extended Kalman Filter Integrated Positioning and Model Predictive Control for Global Navigation Satellite System/... by Wanqiang Chen, Yunpeng Jing, Shuo Zhao, Lei Yan, Quancheng Liu, Zichang He

    Published 2025-02-01
    “…Finally, the efficacy of this strategy is confirmed through detailed simulations and robotic experiments. The simulation results for cooperative localization demonstrate that DAEKF outperforms Kalman Filter (KF) and Extended Kalman Filter (EKF) in terms of localization accuracy. …”
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    Article
  11. 291

    Sheath Voltage Limiter Defects Detection Method Based on Harmonic Phasor Differences of Sheath Current for Cross-Bonded HV Cable by Hao Hu, Jing Tu, Yongheng Ai, Zhanran Xia, Ruoxin Song, Bin Yang, Xinyun Gao, Zhi Li, Fuyuan Liu, Hang Wang

    Published 2025-01-01
    “…By establishing a frequency-domain equivalent model of cross-bonded HV cables combined with SVL nonlinear resistance characteristics, harmonic currents under defect conditions are treated as harmonic sources injected into the sheath loop. …”
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    Article
  12. 292

    Motion Control Study of Two-legged Wheeled Robot by Checao YU, Xinzhi MA, Xuejun ZHU, Xudong YANG, Huige LAI, Aidi YANG

    Published 2024-09-01
    “…At the same time, it has control difficulties such as underdrive, strong coupling, and nonlinearity. These challenges lead to difficulties in achieving effective motion control and self-balancing of the robot. …”
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    Article
  13. 293

    Distributed networked localization using neighboring distances only through a computational topology control approach by Xiaochu Wang, Ting Sun, Changhao Sun, Junqi Wang

    Published 2020-03-01
    “…For large-scale wireless sensor networks, the nonlinear localization problem where only neighboring distances are available to each individual sensor nodes have been attracting great research attention. …”
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    Article
  14. 294

    Evaluation of Decay Times from Noisy Room Responses with Pure-Tone Excitation by Mirosław MEISSNER

    Published 2013-03-01
    “…However, in real conditions a sound decay is often deformed by background noise, thus a precise evaluation of decay times from noisy room responses is the main problem. In this paper this issue is examined by means of numerical method where the decay times are estimated from the decay function that has been determined by nonlinear polynomial regression from a pressure envelope obtained via the discrete Hilbert transform. …”
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  15. 295

    Controller Design for Roll Motion of a Planing Hull From a Safe Transportation Perspective by Hakan Demirel, Fuat Alarçin

    Published 2020-05-01
    “…The issue of safe navigation in the maritime sector is becoming more important day by day. …”
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    Article
  16. 296

    Research on End-Effector Position Error Compensation of Industrial Robotic Arm Based on ECOA-BP by Wenping Xiang, Junhua Chen, Hao Li, Zhiyuan Chai, Yinghou Lou

    Published 2025-01-01
    “…Industrial robotic arms are often subject to significant end-effector pose deviations from the target position due to the combined effects of nonlinear deformations such as link flexibility, joint compliance, and end-effector load. …”
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    Article
  17. 297

    Exploring New Boundaries to Mitigate Structural Vibrations of Bridges in Seismic Regions: A Smart Passive Strategy by Giuseppe Maddaloni, Nicola Caterino, Gianluca Nestovito, Antonio Occhiuzzi

    Published 2016-01-01
    “…It is based on the results of several nonlinear dynamic simulations performed using natural earthquakes and on the use of a multicriteria decision-making procedure. …”
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  18. 298

    Comprehensive Phasor Domain Short Circuit Analysis of Bulk Power Transmission Systems in Presence of Inverter-Based Resources by Dol Raj Kunwar, Sukumar Brahma

    Published 2025-01-01
    “…However, due to the highly nonlinear, current-limited, and proprietary behavior of controllers dictating the response of renewable sources to faults in the power grid, this model breaks down. …”
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    Article
  19. 299

    Impact of Wall Impedance Phase Angle on Indoor Sound Field and Reverberation Parameters Derived from Room Impulse Response by Mirosław Meissner, Tomasz G. Zieliński

    Published 2022-09-01
    “…This effect was found to be due to a change in modal frequencies as a result of an increase or decrease in the phase angle. Simulations have demonstrated that surface distributions of decay times are highly irregular, while a much greater range of the early decay time compared to the reverberation time range indicates that a decay curve is nonlinear. …”
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    Article
  20. 300

    A Practical Short-Circuit Current Calculation Method for Renewable Energy Plants Based on Single-Machine Multiplication by Jianhua Li, Jianyu Lu, Po Li, Ying Huang, Guoteng Wang

    Published 2025-02-01
    “…Due to the current-limiting feature of inverters, the voltage and current demonstrate a strong nonlinearity. As a result, the short-circuit current (SCC) of N-SMSs is commonly calculated using iterative methods. …”
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    Article