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321
Global stability and uniform persistence of the reaction-convection-diffusion cholera epidemic model
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322
LG-YOLOv8: A Lightweight Safety Helmet Detection Algorithm Combined with Feature Enhancement
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. …”
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323
Full-scale performances of the slab track subgrade filled with basalt fiber-reinforced foamed concrete
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. …”
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324
Modulation of rat aortic contractions by ultradisperse TiO2 nanoparticles of crystalline forms of anatase and rutile
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). …”
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325
Artillery-Missile System Control Under Disturbances Conditions Using a Modified Computed Torque Control Method
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. …”
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326
A novel vascular stent and insert concept to improve hemodynamics and support vascular health
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327
State of Charge Estimation of Lithium Battery Utilizing Strong Tracking H-Infinity Filtering Algorithm
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. …”
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328
Optimizing high voltage gain interleaved boost converters for PV and wind systems using hybrid deep learning with bitterling fish and secretary bird algorithms
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. …”
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329
Study on Deformation Mechanism and Surrounding Rock Strata Control in End-Mining Retracement Roadway in Closely Spaced Coal Seams
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. …”
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330
Fracturing interference behavior and mechanism of deep coalbed methane horizontal wells in the Daning-Jixian Block
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.…”
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331
Scattering and stress concentration of SH guided waves by a semicircular hole on the boundary of an infinite piezoelectric ceramic plate
Published 2025-03-01“…In this paper, the dynamic issue related to a semicircular depression in a piezoelectric ceramic plate is investigated. …”
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332
A time-stepping BEM for three-dimensional thermoelastic fracture problems of anisotropic functionally graded materials
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. …”
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333
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Research on optimization design and obstacle crossing performance of variable configuration swing arm track robot
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. …”
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335
Applications of artificial intelligence and computational intelligence in hydraulic optimization of centrifugal pumps: a comprehensive review
Published 2025-12-01“…The escalating environmental issues driven by energy consumption have underscored the urgent need to enhance energy efficiency across critical sectors. …”
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336
BRA-YOLOv7: improvements on large leaf disease object detection using FasterNet and dual-level routing attention in YOLOv7
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. …”
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337
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Dual-loop integration framework for model-based system design and reliability analysis using Bayesian networks
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. …”
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339
Research on Rolling Bearing Fault Diagnosis Method Based on MPE and Multi-Strategy Improved Sparrow Search Algorithm Under Local Mean Decomposition
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. …”
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340
High-gain adaptive observer for floating voltages estimation and capacitor aging monitoring in multicell converters
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. …”
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