ANALYTICAL SYNTHESIS OF FORCED PULSE ELECTRONIC DRIVE CONTROL OF A TRACKING SYSTEM by A. S. Abufanas, A. A. Lobaty, Y. F. Yacina

“…Expressions are obtained for the matrix of transitions of the system and the control signal in a vector form.As an example, the electric drive described by the widespread second-order mathematical model is considered to evaluate the efficiency of the proposed method. …”
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Pencil Beam Planar Ka-Band Antenna Array Using Waveguide Displaced Radiators Sections for Millimeter Wave Applications by Hany S. Hussein, Mohamed Ismeil, M. S. Yasseen, Yuri E. Sedelnikov, Mohamed N. Shaaban

“…The radiating elements in each waveguide section are symmetrically at a distance from the planar input surface, determined mathematically to ensure in-phase excitation. The design simplifies construction by eliminating the need for a separate mirror component, thereby increasing the gain coefficient by reducing shading and scattering effects. …”
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Evaluation of the Effectiveness of Using STEAM Projects in Teaching Physics: Student Interest in the Field of Solar Energy by Amin Pattayev, Naci Genc, Sherzod Ramankulov, Serik Polatuly, Meirbek Tuiyebayev, Indira Usembayeva, Gulnara Rizakhojayeva

“…The purpose of this study is to assess the impact of using the STEAM project method, integrative scientific and technological, engineering, art and mathematical education (STEAM) on the development of interest among students in the physics specialty. …”
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A Study on the Changes of Urban System Pattern in Markazi Province by Alireza Sayyafzadeh, Mohammad Mireh, Morteza Nodeh Farahani

“…This distribution has been measured using mathematical and statistical models. Urban system is spatial visualization of political economy and land management. …”
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Competitiveness of Solar and Wind Power Plants in the Countries of the Commonwealth of Independent States by O. V. Marchenko, S. V. Solomin

“…With such values, they can be competitive without additional measures to stimulate their implementation. Using the mathematical model REM-2 (Renewable Energy Model), energy sources of different types were compared taking into account system effects. …”
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Symbolic regression for strength prediction of eccentrically loaded concrete-filled steel tubular columns by Khaled Megahed

“…The developed code-based symbolic regression (C-SR) displays both robust and interpretable, demonstrating high prediction accuracy with mean values of the prediction-to-actual ratios of 1.006 and 0.997 and coefficient of variation (CoV) values of 0.117 and 0.098 for CCFSTs and RCFSTs, respectively, while providing explainable mathematical expressions that align with the mechanical principles of code provisions. …”
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Energetically Consistent Eddy‐Diffusivity Mass‐Flux Convective Schemes: 1. Theory and Models by M. Perrot, F. Lemarié, T. Dubos

“…We also provide constraints on boundary conditions to ensure mathematical consistency. Throughout the theoretical development, we maintain transparency regarding underlying assumptions. …”
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Experimental and Modeling Study for the Solar-Driven CO₂ Electrochemical Reduction to CO by Matteo Agliuzza, Roberto Speranza, Andrea Lamberti, Candido Fabrizio Pirri, Adriano Sacco

“…The integrated device successfully produces CO with a faradaic efficiency of 73.85% at a current density of J = 3.35 mA/cm² under 1 sun illumination, with the result validated and reproduced by the mathematical model. Under reduced illumination conditions of 0.8 and 0.6 suns, faradaic efficiencies of 68.5% and 64.1% were achieved, respectively.…”
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Experiments and Computational Research of Biomass Pyrolysis in a Cylindrical Reactor by A. V. Mitrofanov, V. E. Mizonov, S. V. Vasilevich, M. V. Malko

“…The calculated forecasts and experimental data showed a good agreement, which indicates the adequacy of the developed mathematical model of pyrolysis and makes it possible to recommend it for engineering calculations of biomass pyrolysis. …”
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Optimal Control Strategy of Platform Load Oriented to Network and Load Cooperation by Xuesong Shao, Gaoying Cui, Xiao Chen, Xinrong Ji, Yongxian Yi

“…Based on the uncertainty and mathematical characterization method of the active response of flexible loads, the optimal combination control strategy of demand response resources was proposed to eliminate the problems of heavy load and overload of regional power grid equipment by using the active response ability of flexible loads. …”
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Thermodynamic Analysis of a Solar Combined Ejector Absorption Cooling System by Doniazed Sioud, Raoudha Garma, Ahmed Bellagi

“…However, higher driving heat temperatures are required than in the case of conventional single-effect machines. A mathematical model is set up to analyze the optical performance of the linear Fresnel concentrator. …”
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The Use of Hybrid Energy Storage Devices for Balancing the Electricity Load Profile of Enterprises by A. A. Belsky, A. N. Skamyin, O. S. Vasilkov

“…The paper provides a mathematical description of the increasing power by hybrid storage system resulting from the combined use of supercapacitors and batteries. …”
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A Multivent System for Non-Invasive Ventilation: Solving the Problem of Ventilator Shortage During the COVID-19 Pandemic by Shuai Ren, Xiaohan Wang, Liming Hao, Tao Wang, Zujin Luo

“…Multiple ventilation circuits can be combined in parallel to simultaneously meet patients’ ventilation demands. Meanwhile, the mathematical model of the multivent system is established and validated through experiments. …”
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Prediction of Type 2 Diabetes Mellitus using a Logistic Regression Model by Olivia Altamirano Guerrero, Ronelsys Martínez Martínez, Jhonny Alejandro Rodríguez Gutiérrez

“…<strong><br />Objective:</strong> to design a mathematical model to predict the type 2 diabetes mellitus probability of existence in patients treated at a hospital in Guayaquil, Ecuador. …”
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Development of speed and strength abilities of children aged 12-13 years in physical education classes in the COVID-19 pandemic by Olena Nesen

“…The obtained results were analyzed by methods of mathematical statistics: correlation analysis was conducted to identify relationships between the results of control standards of schoolchildren, the reliability of the difference was determined by the Student's criterion. …”
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Scientific basis for design low-speed synchronous permanent magnet generators for wind power plants by A. A. Tatevosyan

“…For the stage of verification calculations of VEU parameters, the scientific basis of design is determined by the construction of mathematical models and their research using application software packages for PCs, while for the stage of preliminary calculations, the development of analytical methods of analysis is important. …”
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Habit of elongate amphibole particles as a predictor of mesothelial carcinogenicity by Andrey A. Korchevskiy, Ann G. Wylie

“…In addition, three validation sets (an asbestiform sample from Eastern New York and non-asbestiform samples from Quebec and Falls Village, Connecticut) were tested by Transmission Electron Microscopy (TEM) to determine dimensional distribution. Mathematical modeling was utilized to determine the classification method for amphiboles with various habits. …”
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Iterative Analytical Solutions for Nonlinear Two-Phase Flow with Gas Solubility in Shale Gas Reservoirs by Xiaoji Shang, J. G. Wang, Zhizhen Zhang

“…Firstly, a nonlinear mathematical model is developed for the two-phase flow of gas and water during shale gas production. …”
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Solving Spatial Optimization Problems via Lagrangian Relaxation and Automatic Gradient Computation by Zhen Lei, Ting L. Lei

“…While useful, such problems (especially large problem instances) are often difficult to solve using general mathematical programming (due to their generality). Traditionally, an alternative solution method is Lagrangian relaxation, which, if well-designed, can be fast and optimal. …”
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Human involvement with the rise of artificial intelligence in the realm of Geospatial Health by Mahdi Fallah, Tajoddin Karami, Moosa Kamanroodi Kojouri

“…In this research, spatial questions were conducted by considering public opinion, stakeholders, and decision makers under varying mental and emotional conditions. additionally, two different statistical and ranking methods were employed to comprehend the intricacies of individuals' mental states in a mathematical environment. All these methods were executed using software designed for location-based decision making under equal conditions. …”
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