-
7861
DQN-Based Shaped Reward Function Mold for UAV Emergency Communication
Published 2024-11-01“…In this paper, we establish a meticulously crafted virtual simulation environment and leverage advanced deep reinforcement learning algorithms to train UAVs agents. Notwithstanding, the development of reinforcement learning algorithms is beset with challenges such as sparse rewards and protracted training durations. …”
Get full text
Article -
7862
Influence of Source Shape on Semi-Airborne Transient Electromagnetic Surveys
Published 2025-04-01“…A three-dimensional (3D) block model is established, and a model order reduction algorithm is applied to calculate the 3D spatial distribution of electromagnetic fields generated by both an ideal linear source and a curved source. …”
Get full text
Article -
7863
Sparse DOA Estimation Method Based on Riemann Averaging under Strong Intermittent Jamming
Published 2025-04-01“…Compared with existing subspace algorithms and sparse reconstruction class algorithms, the proposed algorithm has higher estimation accuracy and angular resolution at a smaller number of snapshots, as well as a lower signal-to-noise ratio.…”
Get full text
Article -
7864
Hybrid nanofluid flow around a circular cylinder: A coupled ANN and numerical study of MHD, bioconvection, and thermal radiation
Published 2025-06-01“…This study aims to examine the heat transfer properties of cross-hybrid nanofluid flow around a circular cylinder while accounting for the effects of thermal radiation, tilted magnetohydrodynamics (MHD), activation energy, and bioconvection. …”
Get full text
Article -
7865
Log-Based Analysis of Creativity in the Context of Computational Thinking
Published 2024-12-01“…We developed a Python algorithm to automatically analyze the logged solutions across four creativity measures. …”
Get full text
Article -
7866
RL-Based Vibration-Aware Path Planning for Mobile Robots’ Health and Safety
Published 2025-03-01“…The results show that it effectively avoids rough areas while maintaining the shortest distance.…”
Get full text
Article -
7867
Simplified Model Predictive for Controlling Circulating and Output Currents of a Modular Multilevel Converter
Published 2022-06-01“…In addition, a bilinear mathematical model of the MMC is derived and discretized to predict the states of the MMC for one step ahead. A sorting algorithm is used to retain the balancing capacitor voltage in each SM, while the cost function guarantees the regulation of the output current, and MMC circulating current. …”
Get full text
Article -
7868
Parametric study and optimization of energy consumption in batch reverse osmosis for constant permeate flowrate
Published 2025-04-01“…Batch reverse osmosis configuration has huge potential as an alternative to conventional continuous configuration. While the batch process has many variants, in our work, we study the case of the batch configuration under time-dependent pressure delivering constant permeate flowrate. …”
Get full text
Article -
7869
Machine Learning Methods for Predicting Cardiovascular Diseases: A Comparative Analysis
Published 2025-07-01“…The primary research question is to identify which algorithm demonstrates the best predictive performance for heart disease diagnosis. …”
Get full text
Article -
7870
Estimating Carbon Stock in Unmanaged Forests Using Field Data and Remote Sensing
Published 2024-10-01“…An overall accuracy of 80.8% with a Cohen’s kappa value of 0.74 was achieved for the land cover classification, while the carbon stock of the living above-ground biomass (AGB) was estimated with an accuracy within 5.9% of field measurements. …”
Get full text
Article -
7871
RM-MOCO: A Fast-Solving Model for Neural Multi-Objective Combinatorial Optimization Based on Retention
Published 2025-06-01“…An industry-standard deep reinforcement learning algorithm is used to train RM-MOCO. Experimental results show that, while ensuring the quality of problem solving,the proposed method significantly outperforms some other methods in terms of the speed of solving MOCO problems.…”
Get full text
Article -
7872
Estimation of Current RMS for DC Link Capacitor of S-PMSM Drive System
Published 2023-10-01“…Given the sophisticated processes involved and numerous unresolved integrals while calculating the current RMS value of the capacitor using traditional double Fourier integral algorithm, this paper proposes a method to calculate the current RMS value of the DC capacitor based on polynomial interpolation and quadrature method Cotes. …”
Get full text
Article -
7873
Machine learning approach for identifying and forecasting streamflow droughts in data limited basins of South Korea using threshold levels
Published 2025-05-01“…Physically based models, while comprehensive, are labor-intensive and inherently uncertain. …”
Get full text
Article -
7874
Better Cone-Beam CT Artifact Correction via Spatial and Channel Reconstruction Convolution Based on Unsupervised Adversarial Diffusion Models
Published 2025-01-01“…The obtained results can reduce artifacts while preserving the anatomical structure of CBCT images. …”
Get full text
Article -
7875
Numerical Prediction of Solid Particle Erosion in Jet Pumps Based on a Calibrated Model
Published 2024-11-01“…The Grey Wolf Optimization algorithm was applied to calibrate model coefficients. …”
Get full text
Article -
7876
Land use land cover change as a casual factor for climate variability and trends in the Bilate River Basin, Ethiopia.
Published 2024-01-01“…Concurrently, agricultural land expanded at an annual rate of approximately 1,141 hectares, while urban areas grew by 24.3 hectares annually in recent years. …”
Get full text
Article -
7877
A Novel Method Based on Particle Flow Filters for Stellar Gyroscope Parameter Estimations
Published 2024-01-01“…Inertial sensors are commonly used in many applications for a while. They provide important information about the orientation but are prone to structural errors, which makes it impossible to use their raw data. …”
Get full text
Article -
7878
nPPoS: Non-interactive practical proof-of-storage for blockchain
Published 2024-12-01“…The intentional resource-intensive encoding deters attacks, while faster decoding minimises performance overhead. …”
Get full text
Article -
7879
Comparison of elastic properties of periodic and aperiodic porous structures produced by additive methods
Published 2024-10-01“…These structures, generated using an algorithm, featured three types of lattices: octet, cubic, and Voronoi diagram-based, with different porosities (40 %, 60 %, 80 %) and beam sizes (0.45 mm, 0.66 mm). …”
Get full text
Article -
7880
Semantic RF Waveform Adaptation in Flying Ad Hoc Networks via Hybrid Knowledge Bases and Deep Reinforcement Learning
Published 2025-01-01“…We propose a framework that jointly optimizes modulation order and cyclic prefix length while considering the semantic importance of transmitted data. …”
Get full text
Article