Showing 10,041 - 10,060 results of 10,747 for search 'construction problems', query time: 0.19s Refine Results
  1. 10041

    Energy-Efficient Optimization Method for Timetable Adjusting in Urban Rail Transit by Lianbo Deng, Shiyu Tang, Ming Chen, Ying Zhang, Yuanyuan Tian, Qun Chen

    Published 2025-06-01
    “…For a given timetable in urban rail transit systems, this paper presents a practical energy efficiency optimization problem that carries out adjustments to the timetable, with the goal of energy saving. …”
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  2. 10042

    Capacity Optimization Configuration of a Bidirectional Reversible Centralized Electrohydrogen Coupling System by Xing FENG, Wei YANG, Anan ZHANG, Xi ZHANG, Qian LI, Xianzhang LEI

    Published 2024-08-01
    “…In response to the problem of wind and light abandonment in large-scale new energy power plants in areas with abundant wind and solar energy, a bidirectional reversible centralized RSOC electric hydrogen coupling system capacity optimization configuration method is proposed by utilizing the reversible solid oxide fuel cell (RSOC) combined with the bidirectional conversion characteristics of hydrogen energy storage to absorb excess wind and solar resources. …”
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  3. 10043

    A Lightweight Citrus Ripeness Detection Algorithm Based on Visual Saliency Priors and Improved RT-DETR by Yutong Huang, Xianyao Wang, Xinyao Liu, Liping Cai, Xuefei Feng, Xiaoyan Chen

    Published 2025-05-01
    “…To address this, we constructed a citrus ripeness detection dataset under complex orchard conditions, proposed a lightweight algorithm based on visual saliency priors and the RT-DETR model, and named it LightSal-RTDETR. …”
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  4. 10044

    SCTNet-NAS: efficient semantic segmentation via neural architecture search for cloud-edge collaborative perception by Ruyu Liu, Lin Wang, Zhihao Yu, Haoyu Zhang, Xiufeng Liu, Bo Sun, Xv Huo, Jianhua Zhang

    Published 2025-06-01
    “…Abstract Efficient semantic segmentation on edge devices is critical for cloud-edge perception, yet achieving high accuracy under resource constraints remains challenging. To alleviate this problem, this paper presents SCTNet-NAS, a novel framework for efficient edge segmentation via cloud-edge co-optimization. …”
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  5. 10045

    Rolling bearing fault diagnosis under small sample conditions based on WDCNN-BiLSTM Siamese network by Chenxu Bian, Chunni Jia, Jibo Li, Xiangjun Chen, Pei Wang

    Published 2025-08-01
    “…This model constructs a feature extraction system that combines WDCNN and BiLSTM to extract local spatial features and global temporal dependencies from vibration signals. …”
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  6. 10046

    NAS-CRE: Neural Architecture Search for Context-Based Relation Extraction by Rongen Yan, Dongmei Li, Yan Wu, Depeng Dang, Ye Tao, Shaofei Wang

    Published 2024-11-01
    “…Relation extraction, a crucial task in natural language processing (NLP) for constructing knowledge graphs, entails extracting relational semantics between pairs of entities within a sentence. …”
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  7. 10047

    Deep learning-based study on assessment and enhancement strategy for geological disaster emergency evacuation capacity in Changbai Mountain North Scenic Area by Erzong Zheng, Yichen Zhang, Jiquan Zhang, Jiale Zhu, Jiahao Yan, Gexu Liu

    Published 2024-12-01
    “…To tackle these issues, this research employs the Real-Enhanced Super-Resolution Generative Adversarial Network (Real-ESRGAN), which successfully resolves the problem of blurriness in remote sensing images and significantly enhances image clarity. …”
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  8. 10048

    Opportunities of natural language processing for comparative judgment assessment of essays by Michiel De Vrindt, Anaïs Tack, Wim Van den Noortgate, Marije Lesterhuis, Renske Bouwer

    Published 2025-06-01
    “…More specifically, we argue that, at the start of the assessment, initial essay quality scores could be predicted from essay texts using NLP, mitigating the cold-start problem of CJ. During the CJ assessment, selection rules could be constructed using NLP to efficiently increase the reliability of the scores while supporting assessors by not letting them make too difficult comparisons. …”
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  9. 10049

    Comprehensive assessment and analysis of urban resilience based on fusion modeling–taking guilin as an example by Liduo Dou, Lanwei Zhu, Yuxin He, Meiqing Wu, Yifei Guo

    Published 2025-08-01
    “…Guilin has long been plagued by frequent floods and droughts, which have caused significant economic losses, and exacerbated the city's development load. This study constructs an urban resilience indicator system from five dimensions: economic, social, ecological, engineering and disaster, and uses the CRITIC-ωTOPSIS method to solve the problem of weight distribution of indicators, highlight the influence of indicator weights on the urban toughness scores over the years, and quantitatively assess the urban toughness of Guilin from 2000 to 2023, revealing its spatial–temporal differentiation characteristics. …”
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  10. 10050

    An Evaluation Method for Distribution Network Operation Based on Multi-source Data Deep Fusion by Junfeng QIAO, Aihua ZHOU, Lin PENG, Yiqing WANG, Xiaofeng SHEN, Sen PAN, Pei YANG, Chenhong HUANG

    Published 2024-06-01
    “…To address above-said problem, this paper proposes an evaluation method for distribution network operation based on multi-source data deep fusion. …”
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  11. 10051

    Coordinated Optimization Operation Strategy for Multi-Energy Center with Power-to-Gas Devices by Lei ZHANG, Guangyu QIN, Yaling LIU

    Published 2020-10-01
    “…The model linearizes the nonlinear constraints of the natural gas network power flow, and converts the bi-objective optimization problem into single-objective optimization by adding the weight coefficient. …”
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  12. 10052

    Fluid Dynamic Assessment of Tall Buildings with a Variety of Complicated Geometries by Rahul Kumar Meena, Ritu Raj, S. Anbukumar, Mohammad Iqbal Khan, Jamal M. Khatib

    Published 2024-12-01
    “…This involves resolving the intricate fluid dynamics problem through numerical analysis using the ANSYS software. …”
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  13. 10053

    Co-Optimization of Ancillary Services Providing Primary Frequency Control in the Day-Ahead Market by Manuel Garcia, J. Kyle Skolfield, Felipe Wilches-Bernal, Ross Baldick

    Published 2025-01-01
    “…To ensure that PFR reserve is available fast enough to contribute to primary frequency control, we propose enforcing novel rate-based PFR reserve limits that vary with inertia and FFR reserve and are constructed by a simulation-based heuristic. The proposed requirements are incorporated into the unit-commitment problem and are compatible with the equivalency ratio requirement used by the Electric Reliability Council of Texas (ERCOT). …”
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  14. 10054

    Stochastic Evolutionary Analysis of an Aerial Attack–Defense Game in Uncertain Environments by Shiguang Hu, Le Ru, Bo Lu, Zhenhua Wang, Wenfei Wang, Hailong Xi

    Published 2024-09-01
    “…Aiming at the problem of random environment interference in the process of strategy interaction and the behavioral evolution of an aerial attack–defense game, this paper considers the influence of the difference in the performance and value between both game players in terms of strategy evolution; explores the randomness of the complex battlefield environment, the uncertainty of the behavioral state of game players, and the limitations of the emergent situation; constructs a mathematical model of the stochastic evolution of an aerial-coordinated attack–defense game in uncertain environments; and studies the stability of the strategy interaction and behavioral decision-making process of both players of the aerial attack–defense game. …”
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  15. 10055

    Real-Time Batch Detection System for Defects in Highly Curved Spiral Cylindrical Coils by Qinghang Zhuo, Linghua Kong, Jishi Zheng, Zhigang Ding, Wenguang Li, Dingrong Yi, Guofu Lian

    Published 2024-01-01
    “…By constructing the dataset and training the semantic segmentation model, the surface cracks were effectively detected and identified. …”
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  16. 10056

    Market Oriented Low-Carbon Optimal Scheduling of Virtual Power Plants Considering Multiple User-Side Resources Coordination by Mingbing LI, Qiang LI, Xiyang GUAN, Haoyang ZHOU, Rui LU, Yankun FENG

    Published 2025-02-01
    “…Finally, an optimized low-carbon dispatching model for VPPs participating in the joint electricity-carbon market is constructed. In this model, Conditional Value at Risk (CVaR) is introduced to measure the relationship between market returns and risks, and the model is transformed into a Mixed Integer Linear Programming (MILP) problem for solution. …”
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  17. 10057

    Enhancing resilience of distribution system under extreme weather: Two-stage energy storage system configuration strategy based on robust optimization by Ye He, Hongyun Fu, Andrew Y. Wu, Hongbin Wu, Ming Ding

    Published 2025-06-01
    “…Extreme natural disasters can easily cause large-scale power outages in distribution networks (DN), and energy storage system (ESS) contributes to an essential part of integrated solutions to this problem owing to its flexible regulation and rapid response characteristics. …”
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  18. 10058

    Distributed Collaborative Control Strategy for Intra-regional AGC Units in Interconnected Power System with Renewable Energy by Lei ZHANG, Xiaowei MA, Manliang WANG, Li CHEN, Bingtuan GAO

    Published 2025-03-01
    “…Then, considering the frequency regulation economy, a power dynamic allocation optimization model is constructed, with the objective of minimizing the quadratic cost function of active power variation constrained by active power output and power balance. …”
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  19. 10059

    Pseudo-Labeling Domain Adaptation Using Multi-Model Learning by Victor Akihito Kamada Tomita, Ricardo Marcondes Marcacini

    Published 2025-01-01
    “…We use these representations to construct a heterogeneous bipartite graph, where a neural network is employed for final classification. …”
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  20. 10060

    Bearing Fault Diagnosis Based on Spatial Features of 2.5 Dimensional Sound Field by Junjian Hou, Jun Ma, Zhanpeng Fang, Wuyi Ming, Wenbin He

    Published 2019-01-01
    “…Since its diagnosis robustness is sensitive to sound signal acquisition location, it develops slowly. To solve this problem, the 2-dimensional (2D) sound field variation near the machine is adopted for diagnosis by the near-field acoustic holography (NAH)- based fault diagnosis method with array measurement. …”
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