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401
Robust Optimization Research of Cyber–Physical Power System Considering Wind Power Uncertainty and Coupled Relationship
Published 2024-09-01“…To mitigate the impact of wind power uncertainty and power–communication coupling on the robustness of a new power system, a bi-level mixed-integer robust optimization strategy is proposed. Firstly, a coupled network model is constructed based on complex network theory, taking into account the coupled relationship of energy supply and control dependencies between the power and communication networks. …”
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402
Research on Side Lobe Suppression of Time-Modulated Sparse Linear Array Based on Particle Swarm Optimization
Published 2019-01-01“…Secondly, with the PSBL as the objective function, the paper adopts the PSO as a global optimization algorithm to optimize the elements’ positions and switch-on time instant, which helps reduce the loss of sideband power caused by time modulation. …”
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403
Optimal Reactive Power Generation for Radial Distribution Systems Using a Highly Effective Proposed Algorithm
Published 2021-01-01“…Two single-objective functions are considered to be reduction of power loss and reduction of total cost of energy loss and capacitor investment while satisfying limit of capacitors, limit of conductor, and power balance of the systems. …”
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404
Optimizing 5G resource allocation with attention-based CNN-BiLSTM and squeeze-and-excitation architecture
Published 2025-07-01“…A custom weighted loss function addresses data imbalance, while Bayesian optimization fine-tunes hyperparameters.ResultsExperimental results demonstrate that the proposed model achieves state-of-the-art predictive accuracy, with a remarkably low Mean Absolute Error (MAE) of 0.0087, Mean Squared Error (MSE) of 0.0003, Root Mean Squared Error (RMSE) of 0.0161, Mean Squared Log Error (MSLE) of 0.0001, and Mean Absolute Percentage Error (MAPE) of 0.0194. …”
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405
Efficient optimal power flow learning: A deep reinforcement learning with physics-driven critic model
Published 2025-06-01“…This approach enables accurate policy gradient computation through a differentiable loss function based on system states of realized uncertainties, simplifying both the replay buffer and the learning process. …”
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406
Time series AQI forecasting using Kalman-integrated Bi-GRU and Chi-square divergence optimization
Published 2025-08-01Get full text
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407
Optimizing data privacy and security measures for critical infrastructures via IoT based ADP2S technique
Published 2025-03-01“…The number of swarm densities and the extent to which they explore a new area are both functions of the severity of the breach. Service response and related loss prevention time verify fitness according to the service-level fitness value. …”
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408
Thermo-economic optimization of a hybrid solar-wind energy system for the production of clean hydrogen and electricity
Published 2025-03-01“…Wind speed, turbine inlet temperature, incident solar irradiation, and collector-related parameters including its surface area and fluid mass flow rate are selected decision variables, the impacts of which on the exergy efficiency and exergy loss of the scheme are examined. The objective functions included total cost rate and total exergy efficiency. …”
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409
Comparison of Markowitz Model and DCC-tCopula-LVaR for Portfolio Optimization in the Tehran Stock Exchange
Published 2023-03-01“…The focus of the current research is on the calculation of the value at risk of Dynamic Conditional Correlation with the Solvency Approach (DCC t-Cupola LVaR) based on the copula and also the minimization problems of the above model to choose the optimal portfolio. Therefore, the purpose of this research is to compare the performance of the Markowitz models and value-at-risk model with the Liquidity-t Cupola approach and DCC-t Cupola LVaR to optimize the portfolios in Tehran Stock Exchange. …”
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410
Machine Learning-Driven Structural Optimization of a Bistable RF MEMS Switch for Enhanced RF Performance
Published 2025-06-01“…The proposed methodology reduced design time by 87.7%, with the optimized I-clamp switch achieving −0.8 dB insertion loss and −70 dB isolation at 10 GHz.…”
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411
OPTIMAL PLACEMENT OF DENTAL IMPLANTS: ASSESSING BONE, SOFT TISSUE, DEPTH, AND POSITION FOR LONG-TERM SUCCESS
Published 2025-06-01“…The optimal placement of dental implants significantly influences their long-term functional and aesthetic success. …”
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412
Enhancing Unmanned Aerial Vehicle Object Detection via Tensor Decompositions and Positive–Negative Momentum Optimizers
Published 2025-03-01“…The convolutional layer factorization reduces the shapes and accelerates the computations at kernel nodes in the proposed deep learning models. The advanced optimization algorithms achieve the global minimum of loss functions, which makes the precision and recall metrics superior to the ones for their known counterparts. …”
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413
YOLOv5-RF: a deep learning method for tailings pond identification in high-resolution remote sensing images based on improved loss function
Published 2025-01-01“…In this study, we introduce an innovative loss function termed the Rapid Intersection over Union (RIoU) loss function, which incorporates a focal weight and is integrated into the YOLOv5 object detection framework to develop the YOLOv5-RF model. …”
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414
A Novel Diagnostic Framework with an Optimized Ensemble of Vision Transformers and Convolutional Neural Networks for Enhanced Alzheimer’s Disease Detection in Medical Imaging
Published 2025-03-01“…<b>Background/Objectives:</b> Alzheimer’s disease (AD) is a progressive, neurodegenerative disorder, which causes memory loss and loss of cognitive functioning, along with behavioral changes. …”
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415
The brain ages optimally to model its environment: evidence from sensory learning over the adult lifespan.
Published 2014-01-01“…Our findings suggest that the lifetime accrual of sensory experience optimizes functional brain architectures to enable efficient and generalizable predictions of the world.…”
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416
Multiobjective Reactive Power Optimization Planning for Medium Voltage Distribution Networks Based on Improved Genetic Algorithm
Published 2025-01-01“…Establish a mathematical model for medium voltage distribution network planning based on the multiobjective functions of active power loss, total voltage deviation of system nodes, and minimum total compensation amount of system compensation devices. …”
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417
Enhancing the power quality in radial electrical systems using optimal sizing and selective allocation of distributed generations.
Published 2024-01-01“…The proposed approach is based on the evaluation of the power losses and voltage profiles of the IEEE 33 bus and IEEE 69 bus standards This MATLAB-based method establishes an objective function that converges more quickly to the optimal results.…”
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418
Sericin/polyvinyl alcohol hydrogel optimization for enhanced angiogenesis: a promising strategy for treating chronic osteomyelitis.
Published 2025-01-01“…Chronic osteomyelitis, often accompanied by bone loss, requires an adequate angiogenic response for bone regeneration. …”
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419
Optimal active and reactive power dispatch in the presence of wind farms using voltage indicators and metaheuristic methods
Published 2025-01-01“…The present study intends to present an optimization algorithm permitting to diminish the electrical losses and enhance the voltage profile by getting the fittest allocation of active power production of traditional generators and wind power plants. …”
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420
Experimental Optimization of the Energy Characteristics of a Ground Penetrating Radar with Continuous Linear-Frequency-Modulated Radiation
Published 2023-06-01“…The responses of the system to an increase in the durtion of the probing pulse and a change in the type of window function were evaluated. An empirical dependence of signal losses during propagation in radio channels of LFM GPR has been established. …”
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