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20601
Optimal Design of the Pitching Mechanism Considering the Influence of Erecting Angle Curves
Published 2024-12-01“…The key parameters of the erecting angle curve and its restrictions were analyzed, the influence of the vertical angle curve on the instantaneous thrust & power of the electric cylinder was analyzed, the mathematical mode for the optimization of the pitching mechanism considering the influence of erecting angle curve was established, and the optimal pitch mechanism layout and the erecting angle curve were obtained by using the fmincon function based on the sequential quadratic programming (SQP) algorithm in Matlab sofware. …”
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20602
Considerations for Building Climate-based Species Distribution Models
Published 2016-10-01“…Scientists and conservation practitioners use mathematical models to predict the effects of future climate change on wildlife and plan for a biodiverse future. …”
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20603
Presenting a Management Model for a Multiobjective Sustainable Supply Chain in the Cellulosic Industry and Its Implementation by the NSGA-II Meta-Heuristic Algorithm
Published 2022-01-01“…Therefore, in this research, a multiobjective, multilevel, multiperiod, and multicommodity mathematical model is presented. The proposed model has five levels in the direct direction and three levels in the reverse direction. …”
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20604
Mixed Balanced Truncation for Reducing the Complexity of Large-Scale Electrical and Electronic System Simulations
Published 2025-01-01“…The main contributions of this work in developing the new reduction algorithm include the introduction of a novel definition of mixed balanced systems and theoretical advancements through the development of theorems, lemmas, and corollaries accompanied by rigorous mathematical proofs. This study makes significant theoretical contributions and provides practical solutions for designing, modeling, and reducing the complexity of electrical and electronic systems, particularly passive linear systems in general.…”
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20605
Balancing the Potential Gauging Process Applied to Wave Propagation for Arbitrary Space-Times
Published 2025-01-01“…This article addresses possibilities to compensate an unwanted side effect arising in the widely used gauging process of electrodynamic potentials due to mathematical conditions applied to describe propagating electromagnetic (EM) waves with a focus on radio frequency (RF). …”
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20606
Safety Assessment of the Reconfigurable Integrated Modular Avionics Based on STPA
Published 2021-01-01“…The method enables a detailed description of the interactions between the components and a rigorous mathematical analysis of the system, thereby diluting the effect of human factors while ensuring the accuracy and reliability of the safety constraints.…”
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20607
Simulation and Experimental Verification of Barrel Finishing of Spiral Bevel Gears Based on the DEM
Published 2022-11-01“…A theoretical simulation and an experimental research of an aviation spiral bevel gear is carried out using the parallel spindle type barrel finishing process, a mathematical model of the process motion is established, the formula of cutting speed between abrasive and tooth surface is deduced, and the main factors affecting the result are analyzed; with the help of the Hertz-Mindlin with archard wear model of the EDEM software, the tooth surface wear is simulated; through this process, the surface quality of the disc spiral bevel gear surface is experimentally studied. …”
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20608
Natural Polymer of Iraqi Apricot Tree Gum as a Novel Corrosion Inhibitor for Mild Steel in 1 M HCl Solution
Published 2016-01-01“…The results of weight loss method showed that the inhibition efficiency (I%) increased with the increase in both the natural polymer concentration and the temperature; therefore, chemical adsorption mechanism was suggested in this system. The different mathematical models of the adsorption isotherms were studied and the results revealed that natural polymer was found to obey Temkin, Langmuir, and Freundlich adsorption isotherm. …”
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20609
Considerations for Building Climate-based Species Distribution Models
Published 2016-10-01“…Scientists and conservation practitioners use mathematical models to predict the effects of future climate change on wildlife and plan for a biodiverse future. …”
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20610
Intelligent analysis of the quality of educational content on statistics of student performance in the learning management system "Scorina"
Published 2021-07-01“…The structure of the developed learning management system "Scorina" and the mechanisms for creating educational content, the learning process, attestation of students and the collection of progress statistics are described. A mathematical model of educational process of learning management system "Scorina", and approach to assessing the knowledge of students are presented.The implementation of functional diagram and the algorithm of the module for the intelligent analysis of the quality of educational content of learning management system "Scorina" is proposed. …”
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20611
Flutter Instability Speeds of Guided Splined Disks: An Experimental and Analytical Investigation
Published 2015-01-01“…The results show that the mathematical model can predict accurately the flutter instability zones measured in the experimental tests.…”
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20612
Modeling of a Multi-Storey Building Made of Reinforced Concrete, Taking into Account Damage on a Deformable Foundation
Published 2023-10-01“…The construction of a mathematical model based on the finite element method for determining the stress-strain state of a 25-storey reinforced concrete building on a multilayer deformable foundation is considered. …”
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20613
Corrections to “Frequency Limited & Weighted Model Reduction Algorithm With Error Bound: Application to Discrete-Time Doubly Fed Induction Generator Based Wind Turbin...
Published 2021-01-01“…Compared to <xref ref-type="bibr" rid="ref2">[2]</xref>, <xref ref-type="bibr" rid="ref3">[3]</xref>, mathematical model and simulations in <xref ref-type="bibr" rid="ref1">[1]</xref> are done for frequency weighted and limited scenarios for discrete time systems.…”
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20614
Synergistic Optimization Method for URT Network Train Connection Scheme in Peak and Off-Peak Periods
Published 2022-01-01“…The method allows trains of different lines to form good connections at transfer stations, which can shorten the waiting time of passengers for transfers and reduce passenger retention. A mathematical model was developed to simulate the interaction between passengers and trains. …”
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20615
Combining fractional-order PI controller with field-oriented control based on maximum torque per ampere technique considering iron loss of induction motor
Published 2024-09-01“…Furthermore, the method is improved by considering the rotor iron loss (closest to reality). The complete mathematical analysis, modeling, and simulation are demonstrated. …”
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20616
Employing Efficient Algorithms to Reduce the Distance Traveled in Location-Routing Problems Considering Travel and Service
Published 2022-05-01“…Purpose: The study aims to present a mathematical model for reducing system costs by adequately locating the required warehouses and routing vehicles that carry the products from the warehouses within a time window.Methodology: Concerning the specific nature of the location-routing problem, the consumption of fuel and the depreciation of vehicles are directly affected by the distance covered. …”
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20617
Analysis of Fission Products’ Release in Pebble-Bed High-Temperature Gas-Cooled Reactor Fuel Elements Using a Modified FRESCO II Numerical Model
Published 2021-01-01“…However, it has been found that the mathematical method of this code is not comprehensive, resulting in large errors for short-lived nuclides and large time step during calculations. …”
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20618
Finite Element and Multibody Dynamics Analysis of a Ball Mill Glass Crusher
Published 2023-01-01“…The design methodology consisted of mathematical modeling coupled with numerical simulations to ensure a safe and functioning design. …”
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20619
Development of clump-on sonar flow meter using symmetry channel model
Published 2024-01-01“…Main scientific problems associated with its proof in relation to the problem of determining the convection velocity of turbulence are identified. Mathematical modeling was performed in the CFD computational fluid dynamics package using the hybrid eddy-resolving turbulence model SBES to determine an optimal configuration of the experimental setup. …”
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20620
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. …”
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