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20201
Measuring and Analyzing the Reality of a Pivotal Application (the Educational Institution's Strategy and Governance and Management) According to the Iraqi Institutional Accreditati...
Published 2023-09-01“…The checklists that were developed according to the paragraphs of the two axes (indicators), and the use of mathematical equations to analyze and collect the weights of these indicators, and to extract application percentages and gaps (24%, 24%) is lower than the Al-Farahidi Civil University, where the gap for the two axes (33%, 39%) was lower. …”
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20202
The influence of flexibility on the formation of basic taekwondo techniques in children aged 10–12 years
Published 2024-12-01“…The article presents the results of a research conducted with the participation of students of the first year of study and more than one year of training in taekwondo, during which such methods as pedagogical observation, pedagogical experiment, testing method, methods of mathematical and statistical data processing were used. …”
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20203
Face Recognition using Deep Learning and TensorFlow framework
Published 2023-12-01“…Luckily, in the last couple of years, several organizations and open-source communities have been developing tools and libraries that help abstract the complex mathematical algorithms in order to encourage developers to easily create learning models and train them using any programming languages. …”
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20204
Structure Design and Analysis of a New Kind of Composite Climbing-ladder Wheelchair
Published 2019-02-01“…On the basis of comparing the structural characteristics of the existing climbing wheelchair, the scheme of designing a new type wheelchair robot with a combination of with the planet wheel and track is introduced, and its operating principle is analyzed, a mathematical model is established to make a kinematics and dynamics analysis on the stair-climbing process. …”
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20205
Analysis of Sliding Characteristic of Traction Drive Reducer for Automotive In-wheel Motor
Published 2018-01-01“…To analyze the sliding characteristic of the traction drive reducer for the automotive in-wheel motor,the working mechanism is researched. Then,a mathematical model and an analysis method are proposed to accurately calculate the sliding characteristics combined with the elastohydrodynamic lubrication( EHL) theory. …”
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20206
Research on Calculation and Simulating Analysis of Cycloidal Pin Wheel Meshing Stiffness
Published 2024-01-01“…In order to optimize its load-bearing performance, a mathematical analysis model of contact stress and meshing stiffness is proposed regarding the important structural parameters of cycloidal and pin wheel, as the design variables such as needle tooth distribution circle radius, eccentricity, and needle tooth radius, VB.NET Software is applied to calculate and analyzes the influence of structural parameters of the cycloidal and pin wheel on the meshing stiffness, contact stress, meshing force, and torsional stiffness of the cycloidal and pin wheel pair. …”
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20207
Construction Prototyping, Flight Dynamics Modeling, and Aerodynamic Analysis of Hybrid VTOL Unmanned Aircraft
Published 2018-01-01“…This paper presents the design process of an unmanned vertical take-off and landing aircraft including prototyping of the airframe construction and mathematical modeling as well as computational fluid dynamics (CFD) simulations. …”
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20208
The Analysis of Biomimetic Caudal Fin Propulsion Mechanism with CFD
Published 2020-01-01“…Lastly, through the mathematical model analysis of the tail of the swordfish, the producing propulsive force principle of the caudal fin and the caudal peduncle was obtained. …”
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20209
Time Series Prediction Based on Complex-Valued S-System Model
Published 2020-01-01“…Symbolic regression has been utilized to infer mathematical formulas in order to solve the complex prediction and classification problems. …”
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20210
A Novel Memductor-Based Chaotic System and Its Applications in Circuit Design and Experimental Validation
Published 2019-01-01“…Furthermore, the design principle of the memductor-based chaotic circuit is thoroughly analyzed and the concept of “the memductor-based chaotic circuit defect quantification index” is proposed for the first time to verify whether the chaotic output is consistent with the mathematical model. A good qualitative agreement is shown between the simulations and the experimental validation results.…”
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20211
Numerical Simulations and Design Optimization of the PHT Loop of Natural Circulation BWR
Published 2008-01-01“…Mathematical modeling and numerical simulation of natural circulation boiling water reactor (NCBWR) are very important in order to study its performance for different designs and various off-design conditions and for design optimization. …”
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20212
Effectiveness of iNTS vaccination in sub-Saharan Africa
Published 2025-01-01“…Abstract Invasive non-Typhoidal Salmonella (iNTS) is one of the leading causes of blood stream infections in Sub-Saharan Africa, especially among children. iNTS can be difficult to diagnose, particularly in areas where malaria is endemic, and difficult to treat, partly because of the emergence of antibiotic resistance. We developed a mathematical model to evaluate the impact of a vaccine for iNTS in 49 countries of sub-Saharan Africa. …”
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20213
Novel Adaptive Bacteria Foraging Algorithms for Global Optimization
Published 2014-01-01“…In order to overcome such problems, novel linear and nonlinear mathematical relationships based on the index of iteration, index of bacteria, and fitness cost are adopted which can dynamically vary the step size of bacteria movement. …”
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20214
Fuzzy Inference-Based Adaptive Sonar Control for Collision Avoidance in Autonomous Underwater Vehicles
Published 2024-12-01“…Simulations conducted based on the mathematical model of the AUV confirmed that the proposed approach increased the effectiveness of collision avoidance systems for AUVs compared to classical echosounder and sonar-based systems.…”
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20215
Correction of Line-Sampling Bias of Rock Discontinuity Orientations Using a Modified Terzaghi Method
Published 2018-01-01“…The applicability of the redefined bias-compensatory factor is verified through a mathematical logical deduction. The accuracy of the conventional and the modified Terzaghi methods are compared using a case study in Wenchuan, China, revealing improved accuracy for the latter.…”
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20216
Modelling and Prediction of Photovoltaic Power Output Using Artificial Neural Networks
Published 2014-01-01“…The five years of data were split into two parts: 2006–2008 and 2009-2010; the first part was used for training and the second part was used for testing the neural networks. A mathematical equation is used to estimate the generated power. …”
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20217
THE MECHANISM OF THE ENTERPRISE’S ECONOMIC BEHAVIOR: ELEMENTS AND MODELS
Published 2024-11-01“…The developed mechanism has a modern mathematical basis in the form of VAR models and cross-spectral analysis, which allows studying economic behavior in both long-term and short-term business horizons. …”
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20218
Analytical solution for the problem of pure bending of orthotropic micropolar plate
Published 2024-12-01“…Here we consider an orthotropic form of such a problem, whereby two Young’s moduli, four Poison’s ratios and one characteristic length for bending are found to be sufficient to propose a mathematical model of this problem. General equations of the isotropic micropolar continuum are introduced, and the analytical solution for the pure bending of an isotropic micropolar plate is generalized to the case of orthotropic microstructure. …”
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20219
Multiperiod Telser’s Safety-First Portfolio Selection with Regime Switching
Published 2018-01-01“…By the Lagrange multiplier technique and the embedding method, we study in detail the existence of the optimal strategy and derive the closed-form optimal strategy. Finally, by mathematical and numerical analysis, we analyze the effects of the disaster level, the risk control level, the transition matrix of the Markov chain, the expected excess return, and the variance of the risky return.…”
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20220
Design and Research of a New Seal Ring Bush Silent Chain
Published 2024-08-01“…The structural innovation, mathematical modeling process and meshing principle of the silent chain are explained, and the RecurDyn dynamic simulation models of the new seal ring bush silent chain and a roller chain are established, which generate the operating wave curve caused by the polygon effect in the meshing process. …”
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