Showing 9,761 - 9,780 results of 10,747 for search 'construction problems', query time: 0.21s Refine Results
  1. 9761

    Simulation of Hydraulic Fracture Failure in Concrete Gravity Dams Under Different Loads by WANG Yang, SUN Jinshan, WANG Gaohui, ZHENG Jiawei, LI Yongzhen

    Published 2025-03-01
    “…This study investigated the problem of hydraulic fracture propagation in concrete gravity dams. …”
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    Article
  2. 9762

    ANISOTROPIC REGULATOR OF DAMPING OF RANDOM VIBRATIONS OF THE MOBILE PLATFORM OF A BILAMENT VEHICLE APPARATUS by A. S. Abufanas, A. A. Lobaty, Yu. F. Yacina

    Published 2017-11-01
    “…The problem of damping of random effects on a mobile platform with a system for monitoring the earth’s surface installed on an unmanned aerial vehicle is considered. …”
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    Article
  3. 9763

    Efficient module learning with errors‐based post‐quantum password‐authenticated key exchange by Peixin Ren, Xiaozhuo Gu, Ziliang Wang

    Published 2023-01-01
    “…In this paper, the authors construct a quantum‐safe PAKE protocol, which is a horizontal extension of the password‐authenticated key (PAK) protocol in the field of module lattices. …”
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    Article
  4. 9764

    MODEL OF EVALUATING THE LEVEL OF PARASITIC PHASE FLUCTUATIONS IN THE OUTPUT SIGNAL OF THE FREQUENCIES SYNTHESIZER by P. A. Tolkachev, V. V. Sizykh, A. I. Starikovskiy

    Published 2019-05-01
    “…The basis for constructing a polynomial model is the model of output noise distribution based on the Leeson generator principle. …”
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    Article
  5. 9765

    Effect of seed dormancy on lipid accumulation and its molecular mechanism in oilseed rape by WANG Haoyi, LI Yuling, ZHU Le, JIANG Lixi

    Published 2017-07-01
    “…Above all, low seed oil content became a prominent problem. In order to improve rapeseed quality especially the seed oil content and change the passive situation of the country on international edible oil market, reinforcing the fundamental basic on the mechanism of seed oil formation seems necessary. …”
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    Article
  6. 9766

    Influence of Silver-Zinc Zeolite Incorporation on Shear Bond Strength of Silicon Cold Cure Soft Liner by Huda Alaa Aldeen Sadeq, Israa Mohammed Hummudi

    Published 2021-03-01
    “… Back ground: Reduction of a durable bond to acrylic denture base is the main problem associated with soft liner materials. Purpose: Evaluation of the influence of addition of Ag-Zn Zeolite on shear bond strength of silicon cold cure   soft liner. …”
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    Article
  7. 9767

    Optimizing the strategy of new media content distribution using fuzzy logic by Jianhua Qi, Jing Lin

    Published 2025-07-01
    “…By constructing a fuzzy reasoning system model, designing a fuzzy rule base, and implementing a defuzzification process, the strategy can handle uncertainty and multi-dimensional information to achieve more accurate and personalized recommendations. …”
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    Article
  8. 9768

    Analysis of velocity and pressure vector distribution fields in a three-dimensional plane around a wind power plant by А.Р. Бахтыбекова, Н.К. Танашева, Н.Н. Шуюшбаева, Л.Л. Миньков, Н.К. Ботпаев

    Published 2022-09-01
    “…A mathematical model grid with a grid number of 47329 consisting of tetragonal cells is constructed. The Realizable k-ε is chosen as the turbulence model. …”
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    Article
  9. 9769

    A Guideline for the Evolution of Quantitative Accounting Research in Iran: Shifting from Local to International Scientific Patterns by Fakhroddin MohammadRezaei

    Published 2025-03-01
    “…The introduction is divided into three sections: first, the problem statement, which includes the significance of the issue, the problem itself, the research gap, the motivation, and its objectives; second, the approach to solving the problem through a review of theoretical foundations, research methodology, and key findings; and third, the contributions, which highlight both the scientific and practical implications of the study. …”
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    Article
  10. 9770

    Research on Adaptive Variable Impedance Control Method Based on Adaptive Neuro-Fuzzy Inference System by Xianlun Wang, Chuanhuan Li, Dexin Cai, Yuxia Cui

    Published 2025-05-01
    “…Traditional impedance control methods exhibit limitations through excessive force overshoot and steady-state error, severely impacting cleaning performance. To address this problem, this paper introduces proportional–integral–derivative (PID) control based on the traditional impedance model and verifies the stability and convergence of the controller through theoretical analysis. …”
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    Article
  11. 9771

    Object Tracking Algorithm Based on Multi-Layer Feature Fusion and Semantic Enhancement by Jing Wang, Yanru Wang, Dan Yuan, Yuxiang Que, Weichao Huang, Yuan Wei

    Published 2025-06-01
    “…However, this algorithm exhibits insufficient tracking accuracy and boundary box drift when dealing with similar background clutter, which directly affects the subsequent tracking process. To overcome this problem, this paper constructs a semantic enhancement model, which utilizes multi-layer feature representations extracted from deep networks, and correlates and fuses shallow features with deep features by using cross-attention. …”
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    Article
  12. 9772

    3D spatial evolutionary particle swarm algorithm based emergency communication spatial deployment optimization by Yumin Chen, Xicheng Tan, Jinguang Jiang, Xiaoliang Meng, Zeenat Khadim Hussain, Jianguang Tu, Huaming Wang, You Wan, Zongyao Sha

    Published 2025-03-01
    “…Building emergency communication in disaster areas is a key problem that emergency response needs to solve. Ad hoc Network (ANET) can quickly establish communication networks when public communication infrastructure is disrupted. …”
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    Article
  13. 9773

    Active Disturbance Rejection Control for Underactuated PWM Rectifier Based on Equivalent Input Disturbance Error Estimation by HUANG Zixin, YU Chengsong, WANG Wei, LIN Mengying, XU Da

    Published 2025-08-01
    “…Aiming at the problem of abnormal operation of three-phase voltage-type pulse width modulation (PWM) rectifier caused by factors such as voltage transformation and external disturbances, a control strategy is proposed that integrates active disturbance rejection control (ADRC) with equivalent input disturbance (EID) error estimation and a new terminal fuzzy sliding mode current control. …”
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    Article
  14. 9774

    Partial Discharge Pattern Recognition of Switchgear Based on Residual Convolutional Neural Network by Xueyou HUANG, Jun XIONG, Yu ZHANG, Hui LIU, Lu CHEN, Xianglin MENG, Xiuchen JIANG

    Published 2021-02-01
    “…A residual module is added to the network to solve the degradation problem after accuracy saturation caused by the deepening of network layer number, and the shallow and deep feature fusion learning of switchgear partial discharge data is integrated to achieve the pattern recognition. …”
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    Article
  15. 9775

    Hippopotamus based optimization for reliable and cost-effective designing of stand-alone hybrid renewable system for a remote area by Sanjeev Gupta, Sanjeev Gupta, Yashwant Sawle, Kishor Thakre, M. Thirunavukkarasu, M. Thirunavukkarasu

    Published 2025-02-01
    “…The optimization problem attempts to reduce the total annual cost of the system while maintaining the reliability of the loss of power supply probability in an acceptable range. …”
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    Article
  16. 9776

    An Improved Pied Kingfisher Optimizer for Maritime UAV Path Planning by Wenyuan Cong, Hao Yi, Feifan Yu, Jiajie Chen, Xinmin Chen, Fengrui Xu

    Published 2024-12-01
    “…Subsequently, a path planning objective function was constructed based on trajectory cost and threat cost to simulate a 3D space for UAV maritime rescue missions, and the IPKO algorithm was applied to address the UAV path planning problem. …”
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    Article
  17. 9777

    Differential Games of Supply Chain on Consideration of Low-Carbon Reference Effect under Different Carbon Quota Allocation Methods by Anbo Wu, Ronglin Zhang, Yue Sun, Linhui Sun, Shuhan Wang, Xinping Wang

    Published 2024-09-01
    “…On this basis, three differential game models are constructed, namely, no emissions penalty, trading under the grandfathering principle, and trading under the benchmarking principle. …”
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    Article
  18. 9778

    Low Carbon Economic Dispatch of Gas Electricity Coupling System Considering Carbon Capture and Hydrogen Mixing in Gas Grid by Yuxuan YANG, Dongliang GAO, Yiming CHEN, Buxiang ZHOU, Yang CHEN, Tianlei ZANG

    Published 2023-08-01
    “…For the problem of low-carbon dispatch of gas-power integrated energy system, gas-grid hydrogen blending, carbon capture and electricity-to-gas conversion are all effective technical means. …”
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    Article
  19. 9779

    Optimal operation of microgrid in the park considering carbon trading and the proportion of green electricity by LI Zhenkun, LI Yimu, LUO Xiao, WANG Wei, WEI Yanjun

    Published 2025-05-01
    “…In the context of double carbon goals, the problem of large amounts of carbon emissions generated by the micro grid in the park has become increasingly prominent. …”
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    Article
  20. 9780

    Optimal Scheduling of Hybrid Games Considering Renewable Energy Uncertainty by Haihong Bian, Kai Ji, Yifan Zhang, Xin Tang, Yongqing Xie, Cheng Chen

    Published 2025-07-01
    “…The resulting two-level optimization problem is solved using Karush–Kuhn–Tucker (KKT) conditions and the Alternating Direction Method of Multipliers (ADMM). …”
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    Article