An Investigation on Speed Control of a Spindle Cluster Driven by Hydraulic Motor: Application to Metal Cutting Machines by Ngoc Hai Tran, Cung Le, Anh Dung Ngo

“…The research includes the dynamic modeling of the transmission cluster and the transmission from the hydraulic motor to the working shaft via V-belt mechanism, together with the establishment of a mathematical model and fuzzy self-tuning PID controller model. …”
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The study of the dependence of magnetic field gradient on parameters of the part being tested by the pulsed magnetic non-destructive testing method by O. V. Tarasenko, Yu. V. Kreselyuk, M. N. Ivlev

“…A simplified design of a pulsed gradiometric transducer is presented, and its parameters for conducting experiments are indicated. A mathematical model for calculating the output signal of a gradiometer fluxgate used to obtain output data is considered. …”
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An Effective Robust Total Least-Squares Solution Based on “Total Residuals” for Seafloor Geodetic Control Point Positioning by Zhipeng Lv, Guorui Xiao

“…When considering its effect on the mathematical model of GNSS/A underwater positioning, the Total Least-Squares (TLS) estimator can be used to obtain the optimal position estimate of the seafloor transponder, with weak consistency and asymptotic unbiasedness. …”
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A cooperative control strategy for power quality based on parallel grid-connected converters by LIANG Xiaorui, LUO Yuhang, ZHANG Huaying, TU Chunming, LIU Huicong, ZHENG Yuting

“…Firstly, the basic control principle and mathematical model of grid-connected converter are introduced. …”
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Research on vehicle scheduling for forest fires in the northern Greater Khingan Mountains by Jie Zhang, Junnan He, Shihao Ren, Pei Zhou, Jun Guo, Mingyue Song

“…Abstract In the face of forest fire emergencies, fast and efficient dispatching of rescue vehicles is an important means of mitigating the damage caused by forest fires, and is an effective method of avoiding secondary damage caused by forest fires, minimizing the damage caused by forest fires to the ecosystem, and mitigating the losses caused by economic development. this paper takes the actual problem as the starting point, constructs a reasonable mathematical model of the problem, for the special characteristics of the emergency rescue vehicle scheduling problem of forest fires, taking into account the actual road conditions in the northern pristine forest area, through the analysis of the cost of paths between the forest area and the highway, to obtain the least obstructed rescue paths, to narrow the gap between the theoretical model and the problem of the actual. …”
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An advanced approach to directly calculate eutectic points in quaternary and higher-order slags: A case study on CaF2–Al2O3–CaO–MgO–SiO2 slag systems by Yi-ming Li, Jia-long Tian, Zhou-hua Jiang

“…By utilizing FactSage thermodynamic data and machine learning (ML), the liquidus temperatures of all slags within this screening range are calculated. A mathematical model incorporating the characteristics of eutectic points was established, converting the graphical position data of slag eutectic points into numerical data. …”
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Durable resistance or efficient disease control? Adult Plant Resistance (APR) at the heart of the dilemma by Rimbaud, Loup, Papaïx, Julien, Rey, Jean-François, Moury, Benoît, Barrett, Luke G., Thrall, Peter H.

“…As a case study, the mathematical model has been parameterised for rust fungi (genus Puccinia) of cereal crops, for which extensive data are available. …”
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Development of a structural equation model for sustainable construction practices in Nigeria by H. C. O. Unegbu, D. S. Yawas, B. Dan-asabe, A. A. Alabi

“…Government policies exhibited the most considerable influence across three sustainability domains: environmental sustainability (ENS), social sustainability (SS), and economic sustainability (ES), as indicated by GPR → ENS (β = 0.87), GPR → SS (β = 0.68), and GPR → ES (β = 0.72), all p < 0.05. The derived mathematical model for Sustainable Construction Practices (SCP) is SCP = 0.01 + 0.5x + 0.3y + 0.2z, where x, y, and z represent environmental, social, and economic sustainability, respectively. …”
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Optimal control strategies for toxoplasmosis disease transmission dynamics via harmonic mean-type incident rate by Usman Khan, Farhad Ali, Ohud A. Alqasem, Maysaa E. A. Elwahab, Ilyas Khan, Ariana Abdul Rahimzai

“…The goal of this study is to consider the mathematical model of Toxoplasma disease with harmonic mean type incident rate and also consider that the population of humans and cats is not equal (birth rate and the death rate are not equal). …”
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Data mining approach in detecting inaccurate financial statements in government-owned enterprises by Amra Gadžo, Mirza Suljić, Adisa Jusufović, Slađana Filipović, Erna Suljić

“…Leveraging the identified attributes, a mathematical model could potentially be formulated to effectively predict financial statements of government-owned enterprises in FBiH. …”
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Vaccine-induced reduction of COVID-19 clusters in school settings in Japan during the epidemic wave caused by B.1.1.529 (Omicron) BA.2, 2022 by Yuta Okada, Hiroshi Nishiura

“…Given this background and considering that vaccine effectiveness against school transmission has not been intensively studied, this paper proposes a mathematical model that links the occurrence of clustering to the case count among populations aged 0–19, 20–59, and 60+ years of age. …”
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Developing an Optimal Antiviral Method for the Air-filtration System of Subway Stations by Dae Hoon Park, Jungho Hwang, Dongho Shin, Younghun Kim, Gunhee Lee, Inyong Park, Sang Bok Kim, Keejung Hong, Bangwoo Han

“…Furthermore, a theoretical analysis of the antiviral ability and antiviral effect regeneration for the case of dust loading was performed using a mathematical model to evaluate the time-dependent antiviral effect of the filter. …”
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Keller-box based computational investigation of magnetized gravity-driven Micropolar nanofluid flow past an exponentially contracting surface with cross diffusion effect and engine... by Marouan Kouki, Saira Shukat, Ikram Ullah, Mohammad Mahtab Alam, Ali Hasan Ali

“…The impacts of cross diffusion is also included in flow field. The mathematical model governing the flow are transformed into ODEs via similarity variables. …”
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Using Milk Urea Nitrogen to Evaluate Diet Formulation and Environmental Impact on Dairy Farms by J.S. Jonker, R.A. Kohn

“…The objectives of this review are to examine the use of milk urea nitrogen (MUN) to measure N excretion and utilization efficiency in lactating dairy cows and to examine impacts of overfeeding N to dairy cows in the Chesapeake Bay drainage basin. A mathematical model was developed and evaluated with an independent literature data set to integrate MUN and milk composition to predict urinary and fecal excretion, intake, and utilization efficiency for N in lactating dairy cows. …”
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Analysis of transient characteristics and fault ride-through control of hybrid grid-tied converters with grid-following and grid-forming by Baoyu Zhai, Shuchao Liang, Zhi Xu, Fengyi Deng, Junru Chen, Haiyang Wu

“…If one of the converters experiences stability issues, it affects the other, making fault ride-through challenging. A mathematical model for the hybrid grid-connected system of the two converters is first established to analyze the existence conditions of the equilibrium point. …”
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Modeling and simulation of seasonal performance of silica-polymethylpentene for diurnal radiative cooling under direct sunlight by G. N. Nwaji, C. R. Oraka, H. O. Okoro, A. C. Okoronkwo, N. V. Ogueke, E. E. Anyanwu

“…This study investigates the seasonal performance of a radiative cooling arrangement for all-year cooling. A 2D mathematical model of a diurnal radiative cooler was developed from first principles based on thermal energy balance and was parameterized using the climatic data of Owerri, Nigeria, to evaluate the thermal performance of the cooler during the late Harmattan (January), early rainy (April), late rainy (September), and early Harmattan (November) seasons in the study location. …”
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Competing Ion Exchange of Zn and Fe in NaY Zeolite by Indianara C. Ostroski, João H. Dantas, Edson A. Silva, Pedro A. Arroyo, Maria A. S. D. Barros

“…This equilibrium model was then applied to a dynamic mathematical model. We describe the equilibrium in this model by assuming the binary Langmuir-type model and mass transfer in the zeolite based on the linear driving force model.…”
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A Dynamic Thermal-Allocation Solution to the Complex Economic Benefit for a Data Center by Hui Liu, Wenyu Song, Tianqi Jin, Zhiyong Wu, Fusheng Yan, Jie Song

“…From the perspective of economic benefits, we propose a mathematical model for thermal distribution of a data center and study which workload distribution could determinately change the thermal distribution in the dynamic data center runtime, so as to reduce the cost and improve the economic benefits under the guarantee of service provisioning. …”
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Analysis of the Outer Contour Characteristics of Roadway Forming under the Influence of Cutting Head Vibration by Zhixiang Liu, Shuai Wang, Miao Xie, Chunxue Xie

“…The variation law of the vibration swing angle of the cutting head under different working conditions was obtained, and the coordinate of the cutting head of the roadheader in the roadway space coordinate system was determined by using the robot kinematics analysis method. The mathematical model of cutting the outer outline of the roadway by the cutting head is constructed. …”
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Dynamic Analysis, Circuit Design, and Synchronization of a Novel 6D Memristive Four-Wing Hyperchaotic System with Multiple Coexisting Attractors by Fei Yu, Li Liu, Hui Shen, Zinan Zhang, Yuanyuan Huang, Changqiong Shi, Shuo Cai, Xianming Wu, Sichun Du, Qiuzhen Wan

“…Moreover, the feasibility of the proposed mathematical model is also presented by using Multisim simulations based on an electronic analog of the model. …”
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