Showing 18,521 - 18,540 results of 19,524 for search '"Mathematics"', query time: 0.11s Refine Results
  1. 18521

    A Causal Model for Safety Assessment Purposes in Opening the Low-Altitude Urban Airspace of Chinese Pilot Cities by Jun Tang, Wenyuan Yang

    Published 2018-01-01
    “…First, we present a detailed mathematical description of the proposed algorithms based on a spatial grid partitioning system (SGPS). …”
    Get full text
    Article
  2. 18522

    Influences of Hydrodynamic Forces on the Identification of the Rotor-Stator-Rubbing Fault in a Rotating Machinery by Bernard Xavier Tchomeni, Desejo Filipeson Sozinando, Alfayo Alugongo

    Published 2020-01-01
    “…The model considers the recurrent contact of the vibrating shaft to a fixed stator. The simplified mathematical model of the rotor-stator system is established based on the energy principle. …”
    Get full text
    Article
  3. 18523

    ALGORITHMIZATION OF PROBLEMS FOR OPTIMAL LOCATION OF TRANSFORMERS IN SUBSTATIONS OF DISTRIBUTED NETWORKS by M. I. Fursanov, N. S. Petrashevich

    Published 2014-08-01
    “…The possibility of such replacement is considered in order to increase efficiency of electrical network operation connected with its physical wear and aging.In this article the faults of early developed mathematical models of transformers replacement were discussed. …”
    Get full text
    Article
  4. 18524

    Relationship between Permeability Coefficient and Fractal Dimension of Pore in Ionic Rare Earth Magnesium Salt Leaching Ore by Dan Wang, Yunzhang Rao, Liang Shi, Wei Xu, Tao Huang

    Published 2022-01-01
    “…By discussing the evolution law of pore fractal dimension and seepage characteristics of ionic rare earth, the mathematical relationship between permeability coefficient and pore fractal dimension of mineral soil samples at different depths is fitted by polynomial function.…”
    Get full text
    Article
  5. 18525

    Machine-Vision-Based Enhanced Deep Genetic Algorithm for Robot Action Analysis by Guifeng Wang, Lu-ming Zhang, Yichuan Sheng

    Published 2022-01-01
    “…Afterward, an particular model is built for the maintenance of the nurtural skill, and the mathematical mold is solved using the BAS-GA algorithmic program authority. …”
    Get full text
    Article
  6. 18526

    Stress-Strain Relationship of Ca(OH)2-Activated Hwangtoh Concrete by Keun-Hyeok Yang, Ju-Hyun Mun, Hey-Zoo Hwang

    Published 2014-01-01
    “…Based on the experimental observations, a simple and rational stress-strain model was established mathematically. Furthermore, the modulus of elasticity and strain at peak stress of the Ca(OH)2-activated Hwangtoh concrete were formulated as a function of its compressive strength and Vagg. …”
    Get full text
    Article
  7. 18527

    Understanding collective behavior in biological systems through potential field mechanisms by Junqiao Zhang, Qiang Qu, Xuebo Chen

    Published 2025-01-01
    “…This study introduces dynamic potential fields, where individuals perceive and respond to local potential fields generated by environmental cues and other individuals. We develop a mathematical framework combining distributed learning and swarm control to simulate and analyze collective behavior under varying conditions. …”
    Get full text
    Article
  8. 18528

    A guidance to intelligent metamaterials and metamaterials intelligence by Chao Qian, Ido Kaminer, Hongsheng Chen

    Published 2025-01-01
    “…., wave-based neural network, mathematical operation, and logic operation, all of which directly execute computation, detection, and inference task in physical space. …”
    Get full text
    Article
  9. 18529

    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. …”
    Get full text
    Article
  10. 18530

    UPL-SLAM: Unconstrained RGB-D SLAM With Accurate Point-Line Features for Visual Perception by Xianshuai Sun, Yuming Zhao, Yabiao Wang, Zhigang Li, Zhen He, Xiaohui Wang

    Published 2025-01-01
    “…A new line feature residual model is defined, and the mathematical analytical form of line feature Jacobian matrix is derived in detail. …”
    Get full text
    Article
  11. 18531

    Synthesis and Empirical Analysis of the Thermophysical Characteristics of GO-Ag Aqueous Hybrid Nanofluid Using Environmentally Friendly Reducing and Stabilizing Agents by M. Armstrong, M. Sivasubramanian, N. Selvapalam, R. Pavitra, P. Rajesh Kanna, Haiter Lenin

    Published 2023-01-01
    “….% exhibited the most significant enhancement in thermal conductivity, with improvements of 15.22% at 293 K and 31.19% at 333 K compared to the base fluid. A mathematical model was developed based on the thermal conductivity experimental results using the response surface methodology (RSM). …”
    Get full text
    Article
  12. 18532

    Production Data Analysis and Practical Applications in the Sulige Tight Gas Reservoir, Ordos Basin, China by Minhua Cheng, Wen Xue, Meng Zhao, Guoting Wang, Bo Ning, Guang Ji, Lihua Cheng, Yingying Tian

    Published 2021-01-01
    “…This innovation is based on a typical production data analysis plot of the Blasingame type that uses the numerical inversion decoupling mathematical equation. After analyzing the pressure and pressure derivative characteristics of each flow stage in the typical curves, a new technique of type-curve matching was proposed. …”
    Get full text
    Article
  13. 18533

    Model-Based Design, HIL Testing, and Rapid Control Prototyping of a Low-Cost POC Quadcopter with Stability Analysis and Control by Abdullah Irfan, Muhammad Gufran Khan, Arslan Ahmed Amin, Syed Ali Mohsin, Muhammad Adnan, Adil Zulfiqar

    Published 2022-01-01
    “…This paper addresses this issue and presents a novel proof of concept (POC) low-cost quadcopter UAV design approach using a systematic Model-Based Design (MBD) method for mathematical modeling, simulation, real-time testing, and prototyping. …”
    Get full text
    Article
  14. 18534

    A healthy lifestyle of student youth in the context of a dangerous social and environmental environment in Ukraine by Vlada Bilohur, Oleksandr Morhunov, Kseniia Yarymbash, Iryna Skrypchenko, Ratko Pavlovıc

    Published 2024-06-01
    “…The work used a complex of general scientific theoretical methods: the method of analyzing scientific literature, synthesis, systematization, generalization, the method of surveying applicants (online in the Google Forms application), testing the profile of a healthy lifestyle, methods of mathematical statistics. The results of the testing showed that during the year, under the influence of the change in the socio-ecological state of the environment caused by military actions in Ukraine, four indicators reliably (probably) changed among students: Health Responsibility (HR), Physical Activity (PA), Nutrition (N), Spiritual Growth (SG) and Stress Management (SM), (p…”
    Get full text
    Article
  15. 18535

    Performance of BFRP Retrofitted RCC Piles Subjected to Axial Loads by Anandakumar Ramaswamy, Selvamony Chachithanantham, Seeni Arumugam

    Published 2014-01-01
    “…The effects of retrofitting of RCC pile elements were observed and a mathematical prediction was developed for calculation of retrofitting strength. …”
    Get full text
    Article
  16. 18536

    A Combined Computational and Experimental Study on Nanoparticle Transport and Partitioning in the Human Trachea and Upper Bronchial Airways by Jiawei Ma, Wei-Chung Su, Yi Chen, Yidan Shang, Jingliang Dong, Jiyuan Tu, Lin Tian

    Published 2020-06-01
    “…However, continued progress in anatomical reconstruction and mathematical idealized modeling, the two most frequently employed approaches to airway modeling, requires a detailed fundamental analysis on the morphology-induced sensitivity of particle-flow partitioning, and particle deposition in the airways. …”
    Get full text
    Article
  17. 18537

    Principled neuromorphic reservoir computing by Denis Kleyko, Christopher J. Kymn, Anthony Thomas, Bruno A. Olshausen, Friedrich T. Sommer, E. Paxon Frady

    Published 2025-01-01
    “…Our approach combines the use of randomized representations from traditional reservoir computing with mathematical principles for approximating polynomial kernels via such representations. …”
    Get full text
    Article
  18. 18538

    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. …”
    Get full text
    Article
  19. 18539

    THE USE OF THE DYNAMIC PROPERTIES OF SPECTRA OF SEQUENCES OF RADIO PULSES TO ENSURE HIGH SENSITIVITY OF THE TEST CONTROL WINDINGS OF ASYNCHRONOUS MOTORS by A. А. Sheinikov, Yu. V. Suchodolov

    Published 2018-01-01
    “…Moreover, adjusting the amplitude, repetition period, pulse duration and delay time pulse sequences it is possible to implement a mathematically justifiable control of the parameters of the spectrum (to move the position of the zeros of the amplitude spectrum, to change the amplitude of the spectral components). …”
    Get full text
    Article
  20. 18540

    Cloud Platform Selection Model in the Framework of Differential Quality Game With Fuzzy Information by Kaiyrbek Makulov, Arkadii A. Chikrii, Valery Lakhno, Bagdat Yagaliyeva, Volodimir Malyukov, Inna Malyukova, Miroslav Lakhno

    Published 2025-01-01
    “…The paper presents a mathematical model integrated into the computational core of a decision support system (DSS) for the selection of cloud platforms under conditions of fuzzy information. …”
    Get full text
    Article