Design of Coupling Coil Parameters for Wireless Charging Tram Based on Electromagnetic Safety by Sanmu Xiu, Wenmei Hao, Ying Zhou, Fengyu Leng

“…Aiming at the problem of electromagnetic radiation, a mathematical model with minimum electromagnetic radiation as the target and system parameters as the constraint condition is established. …”
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An Effective Method of Analysing Student Performance Using Fuzzy Numbers by A. N. Revathi, A. Karpagam, M. Suguna, null Salahuddin

“…To address this issue, we have developed a mathematical model that utilises fuzzy numbers and Newton’s method to strategically prioritize core engineering activities. …”
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Five-Phase Modular External Rotor PM Machines with Different Rotor Poles: A Comparative Simulation Study by A. S. Abdel-Khalik

“…A simulation study is carried out using finite element analysis to compare the performance of the three machines in terms of machine torque density, ripple torque, core loss, and machine efficiency. A mathematical model based on the conventional-phase-model approach is also used for the comparative study. …”
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Design and Implementation of a Novel Intelligent Strategy for the Permanent Magnet Synchronous Motor Emulation by Hamed Zeinoddini-Meymand, Salah Kamel, Baseem Khan

“…First, the exact mathematical model of PMSM is presented, and then, by designing a controller, we apply the wind turbine emulation challenges. …”
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Research on Deviation Analysis and Proportional Correction Method for Face Gear Tooth Turning by Ren Minghui, Wei Bingyang, Deng Xiaozhong, Han Zhengyang

“…Based on the mathematical model of gear turning cutters and face gears, a tooth surface deviation model for gear turning is established using gear shaping as the theoretical tooth surface. …”
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Influence of Speed and Load on Meshing Impact of Spiral Bevel Gear by Zhai Xiangyi, Yang Jianjun, Hu Xinfang, Zhang Hua

“…In order to improve the smoothness of the transmission process of spiral bevel gears, the influence of speed and load on meshing impact in the transmission process is clarified. Firstly, the mathematic model of meshing impact of spiral bevel gear is established, and the force analysis of driven wheel is carried out. …”
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The Study of a Battery Energy Storage System Based on the Hexagonal Modular Multilevel Direct AC/AC Converter (Hexverter) by Chong Zhang, Daozhuo Jiang, Xuan Zhang, Jiaxi Chen, Chuang Ruan, Yiqiao Liang

“…First, the system structure and the operating principle of the hexagonal multilevel converter, including the branch voltage and the power, are analyzed and simulated, respectively. Then, the mathematical model of the energy storage submodule consisting of the battery energy storage unit and H-bridge submodule cell is developed in PSCAD/EMTDC software. …”
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Transport of Zn (II) by TDDA-Polypropylene Supported Liquid Membranes and Recovery from Waste Discharge Liquor of Galvanizing Plant of Zn (II) by Hanif Ur Rehman, Gul Akhtar, Haroon Ur Rashid, Nauman Ali, Imtiaz Ahmad, Saeed Ur Rehman, Kamin Khan, Muhammad Arshad

“…The stoichiometry of the extracted species, that is, complex, was investigated on slope analysis method and it was found that the complex (LH)2·Zn(Cl2) is responsible for transport of Zn (II). A mathematical model was developed for transport of Zn (II), and the predicted results strongly agree with experimental ones. …”
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Analytical Method Analysis based on Eccentric Load of Slewing Bearing by Weiting Zeng, Manyi Chen

“…The eccentric slewing bearing is taken as the research object, the load calculation and equivalent are carried out. Then, the mathematical model is established and the analytic method is used to calculate the load distribution and deformation of the rolling elements inside the slewing bearing. …”
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VIBRATION SUPPRESSION CHARACTERISTICS ANALYSIS OF TWO-PLANE AUTOMATIC BALL BALANCING DEVICE by WANG Zhi, CHEN HaiWei, SUN Zhen

“…A two-plane ball automatic balancing device for rigid rotors was analyzed. The mathematical models of two-plane automatic ball balancing device for double eccentric disk were established and derived the vibration differential equation by the Lagrange equation,the autonomous system was obtained by rotating coordinate transformation. …”
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Methods for Determining the Size of three-Dimensional Objects in Images by L. V. Serebryanaya, V. N. Breshko

“…A review of software tools designed for scanning objects and measuring their dimensions is performed. A mathematical model and algorithm for constructing three-dimensional structures of objects in images are presented. …”
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Probabilistic analysis of getting into in restricted area by unmanned aerial vehical by A. A. Lobaty, Y. F. Yatsyna, V. Y. Stepanov, A. Y. Bumai

“…The substantiation of the mathematical model to research through linearized vector stochastic equation is carried out. …”
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Deep Learning Model for Predicting Spreading Rates of Pandemics, “COVID-19 as Case Study” by Maha A. Al-Bayati

“…This work is based on the application of an advanced mathematical model to examine and predict the increase in a pandemic. …”
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Recoil and Vibration in an Archery Bow Equipped with a Multi-Rod Stabilizer by Igor Zaniewski

“…The aim of this research is to create a mechanical and mathematical model of a multi-rod stabilizer for the sport archery bow and to analyze its capability to damp disagreeable recoil and vibration of the bow during internal ballistic motion. …”
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The Neimark–Sacker Bifurcation and Global Stability of Perturbation of Sigmoid Beverton–Holt Difference Equation by M. R. S. Kulenović, Connor O’Loughlin, E. Pilav

“…This difference equation is one of the perturbations of the sigmoid Beverton–Holt difference equation, which is a major mathematical model in population dynamics. We will show that this difference equation exhibits transcritical and Neimark–Sacker bifurcations but not flip (period-doubling) bifurcation since this difference equation cannot have period-two solutions. …”
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Vibrational Diagnostics of Rotating Machinery Malfunctions by Agnes Muszynska

“…After presenting basic principles of machinery diagnostics, several specific malfunction symptoms supported by simple mathematical models are given. These malfunctions include unbalance, excessive radial load, rotor-to-stator rubbing, fluid-induced vibrations, loose stationary and rotating parts, coupled torsional/lateral vibration excitation, and rotor cracking. …”
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Mean Deviation Coupling Control for Multimotor System via Global Fast Terminal Sliding Mode Control by Changlin Zhu, Qunzhang Tu, Chengming Jiang, Ming Pan, Hao Huang, Zhiwen Tu

“…In view of the shortcomings of the existing multimotor synchronous control strategy, a new method of mean deviation coupling control for multimotor system via global fast terminal sliding mode control is proposed. Firstly, the mathematical model of permanent magnet synchronous motor (PMSM) under a d-q reference frame is established. …”
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TRANSIENT MOTION SIMULATION AND STRESS ANALYSIS OF RECIPROCATING COMPRESSOR VALVE by WANG Yao, ZHANG JinJie, LIU JinNan, YAO ZiYun, JIANG ZhiNong

“…Reciprocating compressor has many moving and damageable parts in which valve is the most frequently damaged component. A mathematical model of the valve movement was established according to its structure and motion characteristics.MATLAB and ANSYS software were used to study the transient motion law and the dynamic stress distribution of mesh valve.Then the impact of spring stiffness and transition arc on valve’s stress distribution was discussed. …”
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A frictionless contact problem for viscoelastic materials by Mikäel Barboteu, Weimin Han, Mircea Sofonea

“…We consider a mathematical model which describes the contact between a deformable body and an obstacle, the so-called foundation. …”
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3D Modeling Method and Strength Analysis of ZC₁ Worm by Jin Xiaoma, Ji Weixi

“…Based on the activity price method and the space engagement theory,the forming process of the ZC. 1 grinding wheel and the mathematical model of the worm pair are researched. Based on the numerical analysis method and finite element method,the 3D solid model of worm pair is completed by Solid Works and MATLAB,and the finite element model is established in ANSYS. …”
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