Showing 1,921 - 1,940 results of 3,115 for search '"mathematical model"', query time: 0.12s Refine Results
  1. 1921

    A pressure model of immune response to mycobacteriumtuberculosis infection in several space dimensions by Fabrizio Clarelli, Roberto Natalini

    Published 2010-03-01
    “…In this work, we propose a mathematical model which describes the early immune response to the Mtb infection in the lungs, also including the possible evolution of the infection in the formation of a granuloma. …”
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    Article
  2. 1922

    Intelligent Robust Control of Roadheader Based on Disturbance Observer by Shuo Wang, Dongjie Wang, Aixiang Ma, Xihao Yan, Sihai Zhao

    Published 2025-01-01
    “…First, the working conditions of the cutting section were analyzed, and a mathematical model was established. Then, a high-gain disturbance observer was designed based on the system model to analyze cutting loads and compensate for uncertainties and disturbances. …”
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    Article
  3. 1923

    THE PROBLEM OF CORRUPTION OF BASIC SCIENTIFIC INVESTIGATIONS IN PARTICULAR: FORMAL-ETHIC AND ECONOMIC ASPECTS by V. O. Lobovikov

    Published 2016-09-01
    “…The methods involve the historical-philosophical and logical-linguistic analysis of texts; creation and studying of the elementary discrete mathematical model of the researched moral phenomenon at the level of artificial language of two-digit algebra of the natural right and morals; use of such conceptual and figurative tool of the economic theory as Boston Chart.Results and scientific novelty. …”
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    Article
  4. 1924

    Analysis and design of a fixed wing unmanned aerial vehicle gas launching system by LI Xiang, LI Qiang, WANG Teng, WANG Shaoquan, ZHANG Shiyu

    Published 2025-02-01
    “…In order to meet the development requirements of unmanned aerial vehicle (UAV) boosters, a detachable launch booster for fixed wing UAVs was designed, which is driven by high-pressure carbon dioxide gas. A mathematical model for gas launch was established based on the internal ballistic equation of the gas cannon. …”
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    Article
  5. 1925

    Multi-Scale Robotics: A Numerical Investigation on Mobile Micro-Tweezers for Micro-Manipulation with Extreme Requirements by Ahmet Fatih Tabak

    Published 2024-12-01
    “…Here, a comprehensive mathematical model is presented to reflect on the dynamics of such micro-tweezer systems. …”
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    Article
  6. 1926

    Dynamic Behaviors Analysis of a Chaotic Circuit Based on a Novel Fractional-Order Generalized Memristor by Ningning Yang, Shucan Cheng, Chaojun Wu, Rong Jia, Chongxin Liu

    Published 2019-01-01
    “…It is proved that the circuit based on the diode bridge cascaded with fractional-order inductor has volt-ampere characteristics of pinched hysteresis loop. Then the mathematical model of the fractional-order memristor chaotic circuit is obtained. …”
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  7. 1927

    OPTIMIZATION OF THE CONE BIT OF SPHERICAL FLOATING SLEEVE BASED ON RESPONSE SURFACE METHODOLOGY by HE Wei, SHEN PingSheng, LI HuaChuan, CHEN Yang, HE JunChao, HUANG Shuai

    Published 2018-01-01
    “…In order to improve the life of the cone bit sliding bearing,eliminates the edge stress concentration phenomenon of the spherical floating sleeve end portion,the circular groove structure of Spherical floating sleeve was optimized by the combination of response surface methodology and the finite element method. the objective function was established by along the contact line of the middle stress σmand end stress σedifference between the floating sleeve of outer spherical surface and inner surface,σ<sub>1</sub>、σ<sub>2</sub> was called objective function,The distance from the center of the circular groove to the floating sleeve surface h and the radius r of the circular groove and the distance from the center of the circular groove to the end face of the floating sleeve t was design variable,so the optimization of mathematical model was established. By regression analysis model,obtained the circular groove of optimal controllably parameters: r = 0. 53 mm、t = 0. 07 mm、h = 1. 10 mm. …”
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  8. 1928

    Simulation Analysis of Magnetic Characteristic of Double Permanent Magnet Wheel Linear Drive Device by Sun Feng, Ma Di, Zhao Chuan, Ren Huizhi, Xu Fangchao, Li Qiang, Jin Junjie

    Published 2020-03-01
    “…The permanent magnet driving wheel is driven by the servo motor,and the device is driven by the magnetic force generated by the permanent magnet to the iron guide rack convex teeth. Firstly,the mathematical model of the magnetic force is established according to the structure of the dual permanent magnet wheel magnetic drive device. …”
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    Article
  9. 1929

    A new efficient genetic algorithm-Taguchi-based approach for multi-period inventory routing problem by Amin Farahbakhsh, Amir Saman Kheirkhah

    Published 2023-12-01
    “…In this paper, we present a mathematical model and a novel genetic algorithm for solving the multi-period inventory routing problem. …”
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    Article
  10. 1930

    Fractional-Order Modeling and Analysis of a Variable Structure Hybrid Energy Storage System for EVs by Jianlin Wang, Dan Xu, Jiahui Zhou, Jinlu Mao

    Published 2020-01-01
    “…The establishment of a high-precision mathematical model of the hybrid energy storage system is the basis for the study of high-quality nonlinear control algorithms. …”
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    Article
  11. 1931

    Research Progress and Prospect of Extreme Water Increase by Storm Surge in Estuaries — A Case Study of Guangdong-Hong Kong-Macao Greater Bay Area by LIU Yuexuan, LI Huijing, LI Lanbin, LIU Xiaojian

    Published 2023-01-01
    “…Significant increases in water and extreme tide levels caused by typhoon storm surges are the primary threat to flood safety in estuarine areas,and are also the main cause of major natural disaster losses in the Guangdong-Hong Kong-Macao Greater Bay Area in recent years.This paper reveals the evolution patterns of water increase in storm surges over the years and introduces corresponding research methods.Meanwhile,it systematically reviews research achievements on the formation mechanism of extreme tide levels in storm surges from both foreign and domestic perspectives.Combined calculation models of extreme tide levels formed by astronomical tides and storm surges in China and abroad are also summarized,with a focus on achievements in dynamic mechanisms during extreme water increase in storm surges.Additionally,a two-dimensional nested mathematical model of storm surges in the South China Sea and the Pearl River Estuary is built,and the most unfavorable typhoon intensity and path are designed.The maximum water increase distribution in the Guangdong-Hong Kong-Macao Greater Bay Area is preliminarily simulated and obtained.Finally,it is urgent to put forward a set of safe,concise,and applicable formula for calculating the extreme tide levels of storm surges as soon as possible based on the understanding of the physical mechanism of the interaction between astronomical tides and storm surges.…”
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  12. 1932

    Feeding System’s Sensitivity and Reliability Analysis through Markov Decision Process by Sujata Jadhav, Amit Kumar

    Published 2025-04-01
    “…In the present study Markov process is utilized to develop a mathematical model of the Feeding system, which is used to evaluate the system’s reliability parameters. …”
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    Article
  13. 1933

    Damping Torque Analysis of the PMSG-Based WT with Supplementary Damping Control for Mitigating Interarea Oscillations by Yanan Yang, Yujun Li, Xiaotian Yuan, Jiapeng Li, Zhengchun Du

    Published 2022-01-01
    “…This study presents a comprehensive analysis of the impact that a supplementary damping controller of the permanent magnet synchronous generator (PMSG)-based wind turbine (WT) has on low-frequency oscillation (LFO) damping. A reduced mathematical model of an interarea system is first established. …”
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  14. 1934

    A State Feedback Controller Based on GCC Algorithm against Wind-Induced Motion for High-Rise Buildings with Parametric Uncertainties by Zuohua Li, Chaojun Chen, Jun Teng, Junkai Dong, Beichun Lin

    Published 2019-01-01
    “…High-rise buildings with an active mass damper/driver (AMD) system generally use a simplified mathematical model. The result leads to parametric uncertainties including the stiffness and mass variations exist, and the accuracy of its controller is seriously affected. …”
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  15. 1935

    Investigation of Fracture Width Change under Closure Pressure in Unconventional Reservoir Based on the Hertz Contact Theory by Lifei Dong, Di Wang, Fengxia Li, Xinye Fu, Miao Wang

    Published 2021-01-01
    “…In this work, the mathematical model for the propping behavior of proppants in the fracture under closure pressure is established based on the Hertz contact theory. …”
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    Article
  16. 1936

    A Bioinspired Methodology Based on an Artificial Immune System for Damage Detection in Structural Health Monitoring by Maribel Anaya, Diego A. Tibaduiza, Francesc Pozo

    Published 2015-01-01
    “…One of the key advantages of the proposed methodology is that the need to develop and validate a mathematical model is eliminated. The proposed methodology is applied, tested, and validated with data collected from two sections of an aircraft skin panel. …”
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  17. 1937

    Multiple-Modal-Coupling Modeling and Stability Analysis of Cold Rolling Mill Vibration by Lingqiang Zeng, Yong Zang, Zhiying Gao

    Published 2016-01-01
    “…According to this mathematical model, the critical rolling speed is determined and the accuracy of calculated results is verified by experimental data. …”
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    Article
  18. 1938

    Active Fault-Tolerant Control Based on the Fault of Electromagnetic Hybrid Active Suspension by Farong Kou, Jianghao Wu, Jian Gao, Dapeng Wu, Ruochen Chen

    Published 2021-01-01
    “…The 1/4 vehicle two-degree-of freedom suspension model, the linear motor mathematical model, and the solenoid valve shock absorber test model are established. …”
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  19. 1939

    Numerical Simulation of Pollutant Transport in Fractured Vuggy Porous Karstic Aquifers by Xiaolin Fan, Shuyu Sun, Wei Wei, Jisheng Kou

    Published 2011-01-01
    “…This paper begins with presenting a mathematical model for contaminant transport in the fractured vuggy porous media of a species of contaminant (PCP). …”
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  20. 1940

    Analysis of the Thermal Characteristics of Surrounding Rock in Deep Underground Space by Liu Chen, Jiangbo Li, Fei Han, Yu Zhang, Lang Liu, Bo Zhang

    Published 2019-01-01
    “…According to the mathematical model of heat transfer of the surrounding rock in deep underground space, similar criteria numbers are established. …”
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