Showing 4,741 - 4,760 results of 5,544 for search '"Nonlinearity"', query time: 0.05s Refine Results
  1. 4741

    Numerical Investigation of Inlet Thermodynamic Conditions on Solid Fuel Ramjet Performances by Weixuan Li, Dan Zhao, Xiong Chen, Liang Zhu, Siliang Ni

    Published 2021-01-01
    “…In addition, a secondary vortex is generated at the corner of the backward facing step in the presence of a swirl flow resulting from the instability of the shear layer. Finally, the nonlinear correlations between the heat transfer, combustion characteristics, and flow field characteristics and the corresponding inlet thermodynamic parameters are identified.…”
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  2. 4742

    Decarbonizing Japan: The role of nuclear energy and environmental taxation in mitigating CO2 emissions by Yasir Habib, Minhaj Ali, Usman Mehmood, Noor Raida Abd Rahman

    Published 2025-04-01
    “…The current study uses the nonlinear autoregressive distributed lag (NARDL) method to obtain accurate results regarding the positive and negative shocks of nuclear energy and environmental taxes. …”
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  3. 4743

    Single Objective Optimization Methods in Electrical Power Systems: A Review by Ali Abdulmunim Ibrahim Al-kharaz, Ahmed Bahaaulddin A.Wahhab, Mohammed Fadhil Ibrahim, Shahab Abdulla

    Published 2023-03-01
    “…Generator Maintenance Scheduling (GMS) is a nonlinear optimization problem, highly dimensional and constrained, and determines when power-producing units must undertake well-planned preventative maintenance. …”
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  4. 4744

    Optimal Scheme for Process Quality and Cost Control by Integrating a Continuous Sampling Plan and the Process Yield Index by Chunzhi Li, Shurong Tong, Keqin Wang

    Published 2018-01-01
    “…The probabilities of Type I and Type II errors are concurrently controlled at the stipulated level with the risk control scheme, which is constructed with two nonlinear inequation based on the accurate distribution of the index Spk. …”
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    Article
  5. 4745

    Crystal growth, structural phase transitions and optical gap evolution of FAPb(Br1-x Cl x )3 hybrid perovskites (FA: formamidinium ion, CH(NH2)2 +) by Carlos A. López, Oscar Fabelo, Carmen Abia, María T. Fernández-Diaz, José A. Alonso

    Published 2025-01-01
    “…The band-gap engineering brought about by the chemical doping of FAPb (Br1-x Cl x )3 perovskites (x = 0.0, 0.33, 0.5, 0.66 and 1.0) can be controllably tuned: the gap progressively increases with the concentration of Cl− ions from 2.17 to 2.91 eV at room temperature, presenting a nonlinear behavior. This study provides an improved understanding of the structural and optical properties of these appealing hybrid perovskites.…”
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  6. 4746

    Parameter Adaptive Terminal Sliding Mode Control of Flexible Coupling Air-Breathing Hypersonic Vehicle by Haibing Chen, Wei Lin, Tielin Ma, Hengxian Jin, Cheng Xu

    Published 2020-01-01
    “…The highly nonlinear and coupling characteristics of a flexible air-breathing hypersonic vehicle create great challenges to its flight control design. …”
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  7. 4747

    Heat and mass transfer performance of power-law nanofluid flow with thermal radiation and joule heating aspects: Surface heat flux analysis by Mhamed Benaissa, Zia Ullah, A. Dahshan, Md Mahbub Alam, Khadijah M. Abualnaja, Hanaa Abu-Zinadah, Abdullah A. Faqihi, Nidhal Ben Khedher

    Published 2025-03-01
    “…The physical problems are converted into a nonlinear ordinary differential equation under the implementation of similarity transformations, stream functions and Keller box method. …”
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  8. 4748

    Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures by Elnaz Talebi, Mahmood Md. Tahir, Farshad Zahmatkesh, Airil Yasreen, Jahangir Mirza

    Published 2014-01-01
    “…The primary focus of this investigation was to analyze sequentially coupled nonlinear thermal stress, using a three-dimensional model. …”
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  9. 4749

    Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis by Toni Gutknecht, Anna Gustafsson, Christer Forsgren, Christian Ekberg, Britt-Marie Steenari

    Published 2015-01-01
    “…Metal oxide varistors (MOVs) are a type of resistor with significantly nonlinear current-voltage characteristics commonly used in power lines to protect against overvoltages. …”
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    Article
  10. 4750

    A spherical vector-based adaptive evolutionary particle swarm optimization for UAV path planning under threat conditions by Yanfei Liu, Hao Zhang, Hao Zheng, Qi Li, Qi Tian

    Published 2025-01-01
    “…Additionally, dynamic nonlinear and adaptive factors are integrated to balance exploration and exploitation capabilities. …”
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  11. 4751

    Online Algebraic Estimation of Parameters and Disturbances in Brushless DC Motors by David Marcos-Andrade, Francisco Beltran-Carbajal, Alexis Castelan-Perez, Ivan Rivas-Cambero, Jesús C. Hernández

    Published 2024-12-01
    “…The proposed method is based on algebraic identification, known for its robust performance in both linear and nonlinear systems. In utilizing the mathematical model of a BLDC motor, a set of equations is derived to enable parameter estimation, assuming the availability of input and output measurements in open loop. …”
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  12. 4752

    Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms by Sharif Al-Mahmud, Jose Alejandro Cano, Emiro Antonio Campo, Stephan Weyers

    Published 2025-01-01
    “…The first approach uses conventional metaheuristic algorithms, while the second transforms the nonlinear COP mathematical model into a Mixed Integer Linear Programming (MILP) problem and uses commercial solvers for solution. …”
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  13. 4753

    A Diagnostic Method for a Multi-Connected PEM-type Electrolysis System by Current Sweeping by Jiachen GE, Shinji FUJITA, Akira GUNJI, Motoyuki HIROOKA, Masatoshi SUGIMASA, Hiromu KAKUYA

    Published 2025-01-01
    “…Then, swept current and response voltage measurements are collected and subjected to linear and nonlinear regression based on an equivalent circuit, -R0-(R1, C1)-, to obtain its circuit parameters. …”
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  14. 4754

    Experimental Study on Seepage Anisotropy of a Hexagonal Columnar Jointed Rock Mass by Yanxin He, Zhende Zhu, Wenbin Lu, Yuan Tian, Xinghua Xie, Sijing Wang

    Published 2021-01-01
    “…The experimental results showed that the similar material model samples of columnar jointed rock mass showed obvious seepage anisotropy. The nonlinear seepage characteristics were well described by the Forchheimer and Izbash equations, and the fitting coefficients of the two equations were in good correspondence. …”
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  15. 4755

    Highway Traffic Speed Prediction in Rainy Environment Based on APSO-GRU by Dongqing Han, Xin Yang, Guang Li, Shuangyin Wang, Zhen Wang, Jiandong Zhao

    Published 2021-01-01
    “…In order to accurately analyse the impact of the rainy environment on the characteristics of highway traffic flow, a short-term traffic flow speed prediction model based on gate recurrent unit (GRU) and adaptive nonlinear inertia weight particle swarm optimization (APSO) was proposed. …”
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  16. 4756

    Adaptive Parameter Approaching Law-Based Sliding Mode Control for Wheeled Robots by Ming Hou, Limeng Jia, Zhengqin Wang

    Published 2025-01-01
    “…A method combining adaptive parameter approaching law with Radial Basis Function (RBF) neural network hierarchical sliding mode control is proposed to address the issues of low accuracy and significant oscillations during the trajectory tracking process of wheeled inverted pendulum robots (WIPR) with nonlinear underactuation characteristics. Compared to the traditional approach of combining approaching law with neural network sliding mode control, the innovation lies in the adaptive adjustment of the velocity of the motion point based on its distance to the sliding mode surface. …”
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  17. 4757

    Interaction of Calf Thymus DNA with the Ni(II) Complex of Sodium 1,4-Dihydroxy-9,10-Anthraquinone-2-Sulphonate: A Novel Method of Analysis Using Cyclic Voltammetry by Partha Sarathi Guin, Piyal Das, Saurabh Das, Parikshit Chandra Mandal

    Published 2012-01-01
    “…Analysis of binding data using nonlinear curve fit in a cyclic voltammetry experiment is the first such attempt. …”
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  18. 4758

    Experimental Study on the Influence on Vibration Characteristics of Thin Cylindrical Shell with Hard Coating under Cantilever Boundary Condition by Hui Li, Wei Sun, Mingwei Zhu, Pengcheng Xue

    Published 2017-01-01
    “…Then, by considering its nonlinear stiffness and damping influences, an experiment system is established to accurately measure vibration parameters of the shell, and the corresponding test methods and identification techniques are also proposed. …”
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  19. 4759

    Novel Continuous Terminal Sliding Mode Observer Based Sensorless Speed Control of PMSM Drive System by Abdul Khalique Junejo, Mohsin Ali Koondhar, Rizwan Aziz Siddiqui, Ghulam Sarwar Kaloi, Muhammad Ali Bijarani

    Published 2025-01-01
    “… The permanent magnet synchronous motor (PMSM) control is demanding task because, which is a nonlinear multivariable coupling system. The vector control has been widely used in the control of PMSM system, where the rotor position information is needed for close loop control system. …”
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    Article
  20. 4760

    Application of DTM to heat source/sink in squeezing flow of iron oxide polymer nanofluid between electromagnetic surfaces by Reshu Gupta, A.B. Albidah, NFM Noor, Ilyas Khan

    Published 2025-02-01
    “…The governing partial differential equations (PDEs) for flow, heat, and mass transfer are transformed into nonlinear ordinary differential equations (ODEs) through the appropriate similarity transformation. …”
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