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4741
Numerical Investigation of Inlet Thermodynamic Conditions on Solid Fuel Ramjet Performances
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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4742
Decarbonizing Japan: The role of nuclear energy and environmental taxation in mitigating CO2 emissions
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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4743
Single Objective Optimization Methods in Electrical Power Systems: A Review
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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4744
Optimal Scheme for Process Quality and Cost Control by Integrating a Continuous Sampling Plan and the Process Yield Index
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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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 +)
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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4746
Parameter Adaptive Terminal Sliding Mode Control of Flexible Coupling Air-Breathing Hypersonic Vehicle
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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4747
Heat and mass transfer performance of power-law nanofluid flow with thermal radiation and joule heating aspects: Surface heat flux analysis
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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4748
Thermal Behavior of Cylindrical Buckling Restrained Braces at Elevated Temperatures
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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4749
Investigations into Recycling Zinc from Used Metal Oxide Varistors via pH Selective Leaching: Characterization, Leaching, and Residue Analysis
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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4750
A spherical vector-based adaptive evolutionary particle swarm optimization for UAV path planning under threat conditions
Published 2025-01-01“…Additionally, dynamic nonlinear and adaptive factors are integrated to balance exploration and exploitation capabilities. …”
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4751
Online Algebraic Estimation of Parameters and Disturbances in Brushless DC Motors
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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4752
Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms
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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4753
A Diagnostic Method for a Multi-Connected PEM-type Electrolysis System by Current Sweeping
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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4754
Experimental Study on Seepage Anisotropy of a Hexagonal Columnar Jointed Rock Mass
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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4755
Highway Traffic Speed Prediction in Rainy Environment Based on APSO-GRU
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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4756
Adaptive Parameter Approaching Law-Based Sliding Mode Control for Wheeled Robots
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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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
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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4758
Experimental Study on the Influence on Vibration Characteristics of Thin Cylindrical Shell with Hard Coating under Cantilever Boundary Condition
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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4759
Novel Continuous Terminal Sliding Mode Observer Based Sensorless Speed Control of PMSM Drive System
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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4760
Application of DTM to heat source/sink in squeezing flow of iron oxide polymer nanofluid between electromagnetic surfaces
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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