Showing 2,281 - 2,300 results of 3,115 for search '"mathematical modeling"', query time: 0.07s Refine Results
  1. 2281

    RESEARCH ON FLASH TEMPERATURE OF CONSTANTLY NO CLEARANCE PRECISION STEEL BALL EQUAL-SPEED TRANSMISSION by XIA JingQi, AN ZiJun, JIANG Wei

    Published 2018-01-01
    “…On the basis of mechanism structure and the flash temperature theory, the instantaneous contact temperature-rise principle of constantly no clearance precision steel ball equal-speed transmission is studied and the formulas of the spin speed on each contact point, maximum contact stress, and frictional power are derived. Meantime, the mathematical model of instantaneous contact temperature risen of engagement pairs is established. …”
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    Article
  2. 2282

    Integrated hybrid model of sustainable supply chain in cement industry by Kiamars Fathi Hafshejani, Majid Bagheri Sorkhi, Mahmoud Modiri

    Published 2023-09-01
    “…Then, the relevant mathematical model was presented and solved in GAMS software using NSGA-II method in MATLAB software. …”
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    Article
  3. 2283

    Variable Volumetric Stiffness Fluid Mount Design by Nader Vahdati, Mehdi Ahmadian

    Published 2004-01-01
    “…In this paper, the new design concept, and its mathematical model and simulation results will be presented.…”
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    Article
  4. 2284

    Performance Enhancement of MRAC via Generalized Dynamic Inversion by Alharith Mahmoud, Abdulrahman H. Bajodah

    Published 2025-01-01
    “…Model Reference Adaptive Control (MRAC) guarantees closed loop stability and desired steady state performance of dynamical systems without undue dependence upon their mathematical models. However, the applicability of MRAC may not be suitable for systems that are crucial to safety due to its poor transient response. …”
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    Article
  5. 2285

    Simulation and Experimental Research on Tooth Power Skiving Cutting of Double-circular-arc Internal Gears by Wang Feng, Yang Shufeng, Xu Wenbo, Zhang Weijie, Yu Wentao

    Published 2024-08-01
    “…Based on the principle of power skiving, the relative positions of the cutting tool and the workpiece are sorted out, and a mathematical model for double-circular-arc internal gear tooth turning is established. …”
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    Article
  6. 2286

    The Research of Maneuverability Modeling and Environmental Monitoring Based on a Robotic Dolphin by Zhibin Xue, Liangliang Li, Yixiao Song

    Published 2021-01-01
    “…Additionally, an added tail joint allows for the turning movement with efficient parameters obtained by a fluid-structure coupling method. To obtain a mathematical model, several disturbance signals were considered, including systematic uncertainties of the parameters, the perpetually changing environment, the interference from obstacles with effective fuzzy rules, and a sliding mode of control. …”
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    Article
  7. 2287

    Numerical Simulation of Shale Gas Multiscale Seepage Mechanism-Coupled Stress Sensitivity by Xun Yan, Jing Sun, Dehua Liu

    Published 2019-01-01
    “…Additionally, a mathematical model comprising multiscale, geomechanics, and adsorption phenomenon was proposed to characterize gas flow in the shale reservoir. …”
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  8. 2288

    HPRNA: Predicting synergistic drug combinations for angina pectoris based on human pathway relationship network algorithm. by Mengyao Zhou, Mengfan Xu, Xiangling Zhang, Xiaochun Xing, Yang Li, Guanghui Wang, Guiying Yan

    Published 2025-01-01
    “…Compared to lengthy medical drugs experimental screening, mathematical models and algorithms show great potential in synergistic drug combinations prediction. …”
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    Article
  9. 2289

    Performance Prediction Model of Dynamic Pressure Oil-Air Separator by Xiaobin Zhang, Lei Lang, Xiaofeng Zhang, Hongqing Lv, Na Gao

    Published 2021-01-01
    “…Based on the aeroengine lubricating oil system test bench, this paper used a dimensional analysis method to establish a mathematical model for predicting the separation efficiency and resistance of a dynamic pressure oil-air separator suitable for engineering. …”
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    Article
  10. 2290

    Integrated Scheduling of Multi-Objective Job Shops and Material Handling Robots with Reinforcement Learning Guided Meta-Heuristics by Zhangying Xu, Qi Jia, Kaizhou Gao, Yaping Fu, Li Yin, Qiangqiang Sun

    Published 2024-12-01
    “…The collaborative scheduling of MHR and machines can enhance efficiency and reduce costs. First, a mathematical model is constructed to articulate the concerned problems. …”
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  11. 2291

    Adsorption Equilibria of Natural Gas Components on Activated Carbon: Pure and Mixed Gas Isotherms by R.E. Bazan, M. Bastos-Neto, R. Staudt, H. Papp, D.C.S. Azevedo, C.L. Cavalcante

    Published 2008-06-01
    “…In this study, measurements of experimental data for the adsorption equilibria of binary mixtures of CH 4 with C 2 H 6 , CO 2 , C 3 H 8 and N 2 — as obtained in a volumetric/chromatographic set-up — are presented and compared with mathematical models for multi-component adsorption based on pure component adsorption data. …”
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  12. 2292

    Instability Condition Derivation for Hydraulic AGC System under Pressure Closed-Loop Control by Yong Zhu, Guangpeng Li, Shengnan Tang, Wanlu Jiang, Pengfei Qian, Zhi Zheng, Zhijian Zheng

    Published 2021-01-01
    “…In this work, for each component of the HAGC system, the mathematical model was established. And on the basis of the linking relation of various elements, we derived the incremental transfer model of the PCL system. …”
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  13. 2293

    Development of Wrist Rehabilitation Device based on Coaxial Spherical Parallel 3RRR Mechanism by Shuaixu Ji, Yongguo Liang, Huimin Hao, Li'na Li, Jiahai Huang

    Published 2021-10-01
    “…On this basis,the inverse kinematics mathematical model of the wrist rehabilitation device is established,and the relationship between the motor input angle and the output pose of the robot end is obtained,and the robot working space is determined,the maximum angle of rotation around the <italic>X</italic> axis is 32°,the maximum angle of rotation around the <italic>Y</italic> axis is 37°,and the full rotation around the <italic>Z</italic> axis. …”
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  14. 2294

    HWOA-TTA: A New Hybrid Metaheuristic Algorithm for Global Optimization and Engineering Design Applications by Huda Y. Najm, Elaf Sulaiman Khaleel, Eman T. Hamed, Huda I. Ahmed

    Published 2024-01-01
    “…The hybrid algorithm is applied to two well-known engineering mathematical models. The experiments show that the HWOA-TTA outperforms other algorithms.…”
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  15. 2295

    Prediction and optimizing residual stress profile induced by cold expansion in aluminum alloys using experimental design by Abdelkader Miloudi, M. Laredj, A. Lousdad, B. Benguediab

    Published 2019-03-01
    “…Moreover, the proposed mathematical models were used to determine the optimal values of the various factors for the residual stress profiles prediction at any factor values, in order to achieve maximum service life after repair of a cracked structure or to delay crack initiation and growth in riveted or bolted structures. …”
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  16. 2296

    Dynamic Reactive Power Optimization Strategy for AC/DC Hybrid Power Grid Considering Different Wind Power Penetration Levels by Nan Feng, Yuyao Feng, Yun Su, Yajun Zhang, Tao Niu

    Published 2024-01-01
    “…Firstly, a detailed mathematical model of the AC/DC hybrid system is established. …”
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  17. 2297

    Research on reconfigurable service carrying network active protection algorithms by Ning QI, Bin-qiang WANG, Zhi-ming WANG

    Published 2012-08-01
    “…To construct reconfigurable service carrying network (RSCN) in reconfigurable flexible network (RFNet) infrastructure could provide traffic specific communication services for different end users.This could effectively solve the puzzle faced by traditional Internet infrastructure.Because of the blight of network failure,active protection problems of RSCN were discussed.Mathematics model of RSCN active protection issues were established.To avoid enormous influence because of important resource failure,a resource stress factor (RSF) awareness main link construction algorithm named RSF-aware MLCA was proposed.To improve success running ratio and reduce network link failure loss of RSCN,a RSCN protection link construction algorithm named RPLCA was implemented.Considering of the two sub-algorithms,RSCN active protection algorithm named RAPA was designed.The efficiency of algorithms was evaluated by emulation experiments according to RSCN success running ratio and main link utilization ratio and average network link failure loss under several scenarios.…”
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  18. 2298

    The impact of an imperfect vaccine and pap cytologyscreening on the transmission of human papillomavirus and occurrenceof associated cervical dysplasia and cancer by Tufail Malik, Jody Reimer, Abba Gumel, Elamin H. Elbasha, Salaheddin Mahmud

    Published 2013-05-01
    “…A mathematical model for the natural history of human papillomavirus(HPV) is designed and used to assess the impact of a hypotheticalanti-HPV vaccine and Pap cytology screening on the transmissiondynamics of HPV in a population. …”
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  19. 2299

    Mechanistic Features of Nanodiamonds in the Lapping of Magnetic Heads by Xionghua Jiang, Zhenxing Chen, Joy Wolfram, Zhizhou Yang

    Published 2014-01-01
    “…This is the first study to develop mathematical models for nanodiamond embedment. Such models can predict the optimum parameters for particle embedment. …”
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  20. 2300

    Wheel and Shoe Composite Stair Climbing Wheelchairs and Dynamic Analysis of Wheel Shoe Switching by Zhu Hua, Ge Haiwen

    Published 2023-12-01
    “…In response to the current issues of wheel and shoe composite ladder wheelchairs, such as tire interference with the track, and collision between the wheelchair and the top platform during ladder climbing, a wheel shoe composite stair climbing wheelchair with a swing arm track chassis as the stair climbing mechanism and a new wheel shoe switching scheme is designed. Its mathematical model is established, the centroid coordinates, the vertical displacement curve of the center of mass for climbing stairs are analyzed, and the dynamic change curve of the swing arm motor and electric push rod during the four stages of wheel shoe switching are obtained. …”
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    Article