Showing 2,161 - 2,180 results of 3,115 for search '"mathematical models"', query time: 0.07s Refine Results
  1. 2161

    Diagnostics of heat exchange equipment on basis of operating parameters of diesel fuel hydrotreating unit by A. М. Demin, A. P. Naumenko

    Published 2019-10-01
    “…According to the results of calculations on a mathematical model of a typical hydrotreating unit using a real-time diagnostic program based on monitoring operational parameters, the criterion for assessing the state of the reactor unit heat exchanger increases from 1 to 1.37 with an increase in the annulus pollution coefficient. …”
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  2. 2162

    A mixed-integer linear programming model for scheduling volunteers in technical support teams in Non-Governmental Organizations by Valdir Soares Silva Neto, Ricardo Lukas de Medeiros França, Keren Karolyne Nóbrega Silva, Luciano Carlos Azevedo da Costa, Hugo Harry F. R. Kramer

    Published 2024-02-01
    “…To solve the problem, a mathematical model is proposed whose objective is to allocate volunteers to tasks for which they have the greatest ability. …”
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    Article
  3. 2163

    Influence of the Correction of Cycloid Tooth Bevel Gear Cutter Head Radius on the Tooth Surface Contact Performance by Han Zhengyang, Deng Xiaozhong, Nie Shaowu, Geng Longlong

    Published 2017-01-01
    “…Aiming at the selection of parameter of the cycloid bevel gear cutter,the influence of radial correction of cutter on the tooth surface contact is studied. The mathematical model of cycloid bevel gears is established based on the cutter head and the formation principles of production gears. …”
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  4. 2164

    Research on Characteristic of Hydrodynamic Bearing with the Surface Micro-pit by Shaolin Zhang, Lingxue Li, Boqian Xia

    Published 2021-09-01
    “…Taking the hydrodynamic bearing with surface micro-pits as the research object, a mathematical model of oil film characteristics is established based on the flow balance of the micro-pits, and the static and dynamic characteristics and stability parameters of the bearing are obtained with the depth and area of the micro-pits. …”
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  5. 2165

    Research of the Characteristic of Hydro- viscous Clutch with Different Friction Materials by Ma Ligang, Xiang Changle, Du Minggang, Guo Liuyang

    Published 2016-01-01
    “…The friction plate gap as a key parameter which affects the towing torque is got by analyzing friction state of the hydro- viscous clutch and building mathematical model of the towing torque which combines with the specific parameter of the hydro- viscous clutch. …”
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    Article
  6. 2166

    Feedback control of an HBV model based on ensemble kalman filter and differential evolution by Junyoung Jang, Kihoon Jang, Hee-Dae Kwon, Jeehyun Lee

    Published 2018-05-01
    “…We introduce and analyze a dynamic mathematical model that describes the HBV infection during antiviral therapy. …”
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  7. 2167

    Research of the CNC Side Milling Method for ZC3 Worm Gear by Hu Yangjing, Huang Xiaotiao, Fang Chenggang, Zhang Hu

    Published 2016-01-01
    “…In order to improve the precision of CNC machining ZC3 worm gear,a side milling method for machining worm gear is proposed. Firstly,the mathematical model for milling ZC3 worm gear is established based on the principle of gear meshing. …”
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    Article
  8. 2168

    An Improved Genetic Algorithm Based Robust Approach for Stochastic Dynamic Facility Layout Problem by Yunfang Peng, Tian Zeng, Lingzhi Fan, Yajuan Han, Beixin Xia

    Published 2018-01-01
    “…Mont Carlo simulation method is used to randomly generate different scenarios. A mathematical model is established to describe the dynamic facility layout problem with the consideration of transport device assignment. …”
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    Article
  9. 2169

    Analysis of blood flow features in the curved artery in the presence of differently shaped hybrid nanoparticles by K.N. Asha, Neetu Srivastava

    Published 2025-03-01
    “…This work provides a comprehensive overview of the mathematical model, its solutions, and visual data, offering valuable insights for researchers and medical professionals on the potential applications of hybrid nanoparticles in managing stenotic blood flow.…”
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  10. 2170

    STUDY ON OPTIMIZATION OF REMANUFACTURING OF HYDRAULIC SUPPORT COLUMN by XIE Miao, CAO LiPing, TIAN Bo, LIU Xuan

    Published 2020-01-01
    “…A parameters optimization of a hydraulic support column remanufacturing method was studied in this paper. The mathematical model of the radial shrinkage of the coating was established by using the constitutive equation,the geometric equation and the relation between the linear expansion coefficient and the temperature variation. …”
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  11. 2171

    Optimization of machining for the maximal productivity rate of the drilling operations by Ryspek Usubamatov, Abdusamad Abdiraimov

    Published 2024-12-01
    “…This paper presents a mathematical model for optimizing the cutting speed of a drilling machine tool to achieve its maximum productivity under realistic manufacturing conditions.…”
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  12. 2172

    Presenting a one-objective optimization model to determine the reliability of the components of a coherent system by Elham Basiri

    Published 2023-11-01
    “…In both examples, the required values are determined to increase the reliability of the system components.Originality/Value: This research, using a mathematical model and numerical calculations with the help of R software, examines the optimization problem for a coherent system.…”
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  13. 2173

    Study of Enzymatic Hydrolysis of Fructans from Agave salmiana Characterization and Kinetic Assessment by Christian Michel-Cuello, Imelda Ortiz-Cerda, Lorena Moreno-Vilet, Alicia Grajales-Lagunes, Mario Moscosa-Santillán, Johanne Bonnin, Marco Martín González-Chávez, Miguel Ruiz-Cabrera

    Published 2012-01-01
    “…Hydrolysis process was monitored by measuring the sugars released and residual substrate by HPLC. A mathematical model which describes the kinetics of substrate degradation as well as fructose production was proposed to analyze the hydrolysis assessment. …”
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  14. 2174

    Modelling seasonal influenza in Israel by Oren Barnea, Rami Yaari, Guy Katriel, Lewi Stone

    Published 2011-03-01
    “…Mathematical modeling approaches are used to study the epidemic dynamics of seasonal influenza in Israel. …”
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  15. 2175

    Feature Extraction and Wear Damage Degree Identification of Planetary Gear based on PSO-FC Optimization KPCA by Yan He, Zongyan Wang

    Published 2019-02-01
    “…The optimization mathematical model of the kernel function scale parameter is constructed by means of Fisher criterion(FC) discriminate function in pattern recognition, and the improved particle swarm optimization method is applied to the optimization to fully improve the analysis performance of the kernel principal component analysis(KPCA) for nonlinear problem. …”
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  16. 2176

    Tracking Control for Mobile Robots Considering the Dynamics of All Their Subsystems: Experimental Implementation by José Rafael García-Sánchez, Ramón Silva-Ortigoza, Salvador Tavera-Mosqueda, Celso Márquez-Sánchez, Victor Manuel Hernández-Guzmán, Mayra Antonio-Cruz, Gilberto Silva-Ortigoza, Hind Taud

    Published 2017-01-01
    “…The trajectory tracking task in a wheeled mobile robot (WMR) is solved by proposing a three-level hierarchical controller that considers the mathematical model of the mechanical structure (differential drive WMR), actuators (DC motors), and power stage (DC/DC Buck power converters). …”
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  17. 2177

    Structural Design and Trajectory Optimization of Hexapod Robot with Fewer Actuators by Yin Zhipeng, Hou Yu, Dai Chenchao, Dai Mengwan

    Published 2016-01-01
    “…The requirements of foot movement and obstacle crossing are obtained. The mathematical model of the foot trajectory of the hexapod robot with fewer actuators is established.The trajectory optimization model of foot trajectory for the stability of hexapod robot movement is established considering five types of constraints-the rod length,transmission performance,geometric structure,obstacle and boundary conditions. …”
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  18. 2178

    Local and global stability analysis of HIV/AIDS by using a nonstandard finite difference scheme by Amjid Hussain Morani, Maha Mohammed Saeed, Muhammad Aslam, Atif Mehmoud, Ali Shokri, Herbert Mukalazi

    Published 2025-02-01
    “…Abstract This study presents a mathematical model incorporating both asymptomatic and symptomatic HIV-infected individuals to analyze the dynamics of HIV/AIDS. …”
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  19. 2179

    Prolonging the Lifetime of Wireless Sensor Networks Interconnected to Fixed Network Using Hierarchical Energy Tree Based Routing Algorithm by M. Kalpana, R. Dhanalakshmi, P. Parthiban

    Published 2014-01-01
    “…This research work proposes a mathematical model for the lifetime of wireless sensor networks (WSN). …”
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  20. 2180

    Numerical Simulation of Hypoid Gear Hot Rolling Forming based on Anti-conjugate Principle Design Tool Pinion by Tang Hongyan, Deng Xiaozhong, Gao Zhenshan

    Published 2017-01-01
    “…Based on generating method machining pinion of hypoid gear,according to the cutting coordinate system of milling cutter and tooth surface equation,the mathematical model of machining pinion of hypoid gear is established,the theoretical tooth surface equation of pinion. …”
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    Article