Search alternatives:
issue » issues (Expand Search)
Showing 321 - 340 results of 1,089 for search 'dynamic issue parameter', query time: 0.13s Refine Results
  1. 321
  2. 322

    LG-YOLOv8: A Lightweight Safety Helmet Detection Algorithm Combined with Feature Enhancement by Zhipeng Fan, Yayun Wu, Wei Liu, Ming Chen, Zeguo Qiu

    Published 2024-11-01
    “…In the realm of construction site monitoring, ensuring the proper use of safety helmets is crucial. Addressing the issues of high parameter values and sluggish detection speed in current safety helmet detection algorithms, a feature-enhanced lightweight algorithm, LG-YOLOv8, was introduced. …”
    Get full text
    Article
  3. 323

    Full-scale performances of the slab track subgrade filled with basalt fiber-reinforced foamed concrete by Zhichao Huang, Qian Su, Wenhui Zhao, Zongyu Zhang, Junjie Huang, Sakdirat Kaewunruen

    Published 2025-01-01
    “…The diffusion patterns of dynamic stress and dynamic acceleration within the subgrade were explored, leading to the development of experimental formulas to calculate the attenuation coefficients of these two parameters along the depth and width of the subgrade. …”
    Get full text
    Article
  4. 324

    Modulation of rat aortic contractions by ultradisperse TiO2 nanoparticles of crystalline forms of anatase and rutile by Platon Zub, Olga Tsymbalyuk, Oleksandr Chunikhin, Tamara Davydovska, Stanislav Myakushko, Khrystyna Sholota, Ivan Voiteshenko, Oleksandr Tsuvariev, Sergiy Sukhopara, Valerii Skryshevskyi

    Published 2025-06-01
    “…However, there is almost no information about possible effects of this nanomaterial on the processes of inducing the contractile function of the vessels, using epinephrine and the activation of voltage-gated Са2+-channels. Another interesting issue is the study of polymorph-dependent effects of ТіО2 nanoparticles (NPs). …”
    Get full text
    Article
  5. 325

    Artillery-Missile System Control Under Disturbances Conditions Using a Modified Computed Torque Control Method by Piotr SZMIDT

    Published 2019-03-01
    “…The paper addresses the issue of remote control of a artillery-missile system when the system is affected by dynamic and kinematic disturbances. …”
    Get full text
    Article
  6. 326
  7. 327

    State of Charge Estimation of Lithium Battery Utilizing Strong Tracking H-Infinity Filtering Algorithm by Tianqing Yuan, Yang Liu, Jing Bai, Hao Sun

    Published 2024-11-01
    “…To address the issue of fixed forgetting factors in recursive least squares (RLS) that struggle to maintain both fast convergence and stability in battery parameter identification, we introduce dynamic forgetting factors. …”
    Get full text
    Article
  8. 328

    Optimizing high voltage gain interleaved boost converters for PV and wind systems using hybrid deep learning with bitterling fish and secretary bird algorithms by G.Veera Sankara Reddy, S. Vijayaraj

    Published 2025-06-01
    “…This framework employs Long Short-Term Memory (LSTM) networks for predictive control, Autoencoder-based Optimization (AEO) for feature extraction and simplification, and Secretary Bird Optimization (SBO) for dynamic parameter tuning. The proposed architectures demonstrate superior performance, achieving 97 % energy conversion efficiency, a voltage gain of 32.5 dB, and minimal output ripple, thereby ensuring stable and efficient integration of renewable energy sources. …”
    Get full text
    Article
  9. 329

    Study on Deformation Mechanism and Surrounding Rock Strata Control in End-Mining Retracement Roadway in Closely Spaced Coal Seams by Bin Wang, Hui Liu, Dong Liu, Jie Zhang, Haifei Lin

    Published 2025-01-01
    “…This paper aims to address the issue of hydraulic support crushing accidents or support failures in the retracement roadway (RR) that frequently occurs when a fully mechanized mining face is retraced during the end-mining stage. …”
    Get full text
    Article
  10. 330

    Fracturing interference behavior and mechanism of deep coalbed methane horizontal wells in the Daning-Jixian Block by Haiyan CHAO, Ze LI, Huaibin ZHEN, Lele GUO, Hui ZHANG

    Published 2025-03-01
    “…Fracturing interference mainly has two effects on the disturbed production wells: first, it breaks the dynamic balance of gas water phase permeability, significantly increases water production, and after the discharge of foreign liquids, the gas production can be restored to the pre disturbance gas production level; the second issue is that solid particles such as proppants and coal powder block the pore throats, reducing the flow capacity of the mesh and making it difficult to restore gas production to its original level.…”
    Get full text
    Article
  11. 331

    Scattering and stress concentration of SH guided waves by a semicircular hole on the boundary of an infinite piezoelectric ceramic plate by Enxiang Qu, Enxiang Qu, Hui Qi, Jing Guo, Shuang Liu, Ying Li

    Published 2025-03-01
    “…In this paper, the dynamic issue related to a semicircular depression in a piezoelectric ceramic plate is investigated. …”
    Get full text
    Article
  12. 332

    A time-stepping BEM for three-dimensional thermoelastic fracture problems of anisotropic functionally graded materials by Mohamed Abdelsabour Fahmy, Ahmad Almutlg

    Published 2025-02-01
    “…The crack tip opening displacement determines the dynamic stress intensity factor (SIF). The effects of anisotropy, graded parameters, and angle locations on the SIF were studied for three-dimensional coupled dynamic thermoelastic fracture situations. …”
    Get full text
    Article
  13. 333
  14. 334

    Research on optimization design and obstacle crossing performance of variable configuration swing arm track robot by TIAN Haibo, SU Xin, JI Kangmin

    Published 2025-01-01
    “…The robot can change its configuration to enhance its obstacle-crossing performance in unstructured environments.MethodsFirstly, based on the characteristics of the robot’s configuration, its obstacle-crossing mechanism is analyzed, and the key states during the obstacle-crossing process are analyzed kinematically and dynamically. On this basis, a multi-objective optimization model is established to link the robot’s optimal obstacle-crossing performance with its structural parameters. …”
    Get full text
    Article
  15. 335

    Applications of artificial intelligence and computational intelligence in hydraulic optimization of centrifugal pumps: a comprehensive review by Yuanhui Xu, Xingcheng Gan, Ji Pei, Wenjie Wang, Jia Chen, Shouqi Yuan

    Published 2025-12-01
    “…The escalating environmental issues driven by energy consumption have underscored the urgent need to enhance energy efficiency across critical sectors. …”
    Get full text
    Article
  16. 336

    BRA-YOLOv7: improvements on large leaf disease object detection using FasterNet and dual-level routing attention in YOLOv7 by Rong Ye, Rong Ye, Quan Gao, Quan Gao, Tong Li, Tong Li

    Published 2024-12-01
    “…In the Yunnan region, where the climate is suitable for tea cultivation, tea leaf diseases are small, scattered, and vary in scale, making their detection challenging due to complex backgrounds and issues such as occlusion, overlap, and lighting variations. …”
    Get full text
    Article
  17. 337
  18. 338

    Dual-loop integration framework for model-based system design and reliability analysis using Bayesian networks by Yunpeng Zhang, Jian Chen

    Published 2025-09-01
    “…This framework supports a systematic and iterative design process, facilitates quantitative analysis throughout the system life cycle, and enables upstream integration of system-related and mapped reliability parameters from dynamically evolving design architectures at both modeling method and framework levels. …”
    Get full text
    Article
  19. 339

    Research on Rolling Bearing Fault Diagnosis Method Based on MPE and Multi-Strategy Improved Sparrow Search Algorithm Under Local Mean Decomposition by Haodong Chi, Huiyuan Chen

    Published 2025-04-01
    “…Second, to overcome the limited capability of traditional time-frequency features in representing complex fault patterns, MPE is introduced to construct a multi-scale complexity feature vector, effectively capturing the scale-dependent differences in the dynamic behavior of signals. Furthermore, considering the instability of classification caused by the empirical setting of hidden layer nodes in the extreme learning machine (ELM), a multi-strategy improved sparrow search algorithm is proposed to optimize ELM parameters. …”
    Get full text
    Article
  20. 340

    High-gain adaptive observer for floating voltages estimation and capacitor aging monitoring in multicell converters by Boukhalfa Nait Slimani, Malek Ghanes, Said Djennoune

    Published 2025-05-01
    “…To address these dual issues, this paper proposes a high-gain adaptive observer capable of simultaneously estimating the parameters and state variables of multicell converters. …”
    Get full text
    Article