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961
Friction Monitoring in Kaplan Turbines
Published 2025-04-01“…The study shows that the model approach works for both turbines. However, the parameter optimization must be performed separately for each turbine.…”
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962
Prediction of water inrush from coal seam floor based on machine learning with small sample data
Published 2025-01-01“…In this paper, by using the nearest neighbor algorithm (KNN) and the combination algorithm of gradient boosting decision tree (GBDT) and logistic regression (LR), a water inrush prediction model was established based on the sample data of six indexes, including water pressure, mining height, water-barrier thickness, fault drop, coal seam inclination, and fault distance from the working face. …”
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963
Machine Learning-Based Methodologies for Cyber-Attacks and Network Traffic Monitoring: A Review and Insights
Published 2024-11-01“…The proposed work compares both shallow learning algorithms, such as decision trees, random forests, Naïve Bayes, logistic regression, XGBoost, and support vector machines, and deep learning algorithms, such as DNNs, CNNs, and LSTM, whose approach is relatively new in the literature. …”
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964
Adaptive drive-based integration technique for predicting rheological and mechanical properties of fresh gangue backfill slurry
Published 2025-07-01“…This study proposes a newly integrated intelligent model of mixing entropy- and congestion degree-based particle swarm optimization support vector regression (MC-PSO-SVR) to predict the yield stress, plastic viscosity, fluidity and uniaxial compressive strength (UCS) of fresh gangue backfill slurry (FGBS). …”
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965
APPLICATION OF MULTIHOLE PRESSURE PROBE FOR RESEARCH OF COOLANT VELOCITY PROFILE IN NUCLEAR REACTOR FUEL ASSEMBLIES
Published 2015-12-01“…Design of intensifiers affects both the coolant mixing and the hydraulic resistance. The aim of this work is to develop a methodology of measuring coolant local velocity in the fuel assembly models with different mixing grids. …”
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966
Regional Funds of Scientific and Innovation Activity Support: Institutional Aspect
Published 2021-07-01“…Shaping innovation economy in Russia stipulates passing-over from traditional partial models to system-integrated models of development accompanied by building institutional vector of succession of federal and regional institutions. …”
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967
Research on Flexible Job Shop Scheduling Method for Agricultural Equipment Considering Multi-Resource Constraints
Published 2025-02-01“…An encoding/decoding method and a method for initializing a mixed population are introduced, which includes an operation sequence vector, machine selection vector, worker selection vector, and AGV selection vector. …”
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968
Approach to design of distributed multi-agent system for processing sound information of the environment
Published 2019-12-01“…The amplitude and effect of sound waves vary considerably in continuous space-time measurements. Modeling different types of sounds and their spatiotemporal effects becomes important for assessing the sound situation both in working spaces and in recreation areas. …”
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969
Surface Roughness Prediction of Bearing Ring Precision Grinding Based on Feature Extraction
Published 2025-05-01“…In order to improve the surface roughness of bearing ring grinding under multiple working conditions, a prediction model of bearing ring surface roughness based on feature extraction was proposed. …”
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970
MACROECONOMIC POLICIES AND THEIR IMPACT ON THE AGRICULTURAL SECTOR AND ECONOMIC GROWTH IN SELECTED ARAB COUNTRIES FOR THE PERIOD 1990-2020
Published 2023-03-01“…Estimated from the first model on the economic growth of the second stage v Using the two-stage method, in order to reach more accurate results, and one of the most important conclusions reached by the research is that all economic variables are stable at the first level and difference, so the ARDL autoregressive vector model was chosen to estimate the relationship between the long and short term variables. …”
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971
Using SVM Classifier and Micro-Doppler Signature for Automatic Recognition of Sonar Targets
Published 2023-03-01“…In this paper, we propose using a propeller modulation on the transmitted signal (called sonar micro- Doppler) and different support vector machine (SVM) kernels for automatic recognition of moving sonar targets. …”
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972
Enhancing Fault Diagnosis: A Hybrid Framework Integrating Improved SABO with VMD and Transformer–TELM
Published 2025-03-01“…Compared with traditional machine learning techniques such as kernel extreme learning machine (KELM), extreme learning machine (ELM), support vector machine (SVM), and Softmax, this method significantly outperforms other models in terms of accuracy, recall, and F1 score.…”
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973
What Can DKIST/DL-NIRSP Tell Us about Quiet-Sun Magnetism?
Published 2025-01-01“…To this end, we synthesize high-resolution, high-cadence Stokes profiles of the Fe i 630 nm lines using a realistic magnetohydrodynamic simulation, degrade them to emulate the DKIST/DL-NIRSP observations, and subsequently infer the vector magnetic and velocity fields. For the assessment, we first verify that a widely used flow tracking algorithm, the Differential Affine Velocity Estimator for Vector Magnetograms, works well for estimating the large-scale (>200 km) photospheric velocity fields with these high-resolution data. …”
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974
Enhancing cardiac disease detection via a fusion of machine learning and medical imaging
Published 2025-07-01“…Abstract Cardiovascular illnesses continue to be a predominant cause of mortality globally, underscoring the necessity for prompt and precise diagnosis to mitigate consequences and healthcare expenditures. This work presents a complete hybrid methodology that integrates machine learning techniques with medical image analysis to improve the identification of cardiovascular diseases. …”
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975
Weather sensing with structured light
Published 2025-03-01“…This technique can be used reliably with Support Vector Machine regression models to measure temperature variations of 0.49 °C and wind speed variations of 0.029 ms−1 over a 36 m experimental turbulent free-space channel with controllable and verifiable temperature and wind speed with a short 3 s measurement. …”
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976
COVID-19 Tweets Classification during Lockdown Period Using Machine Learning Classifiers
Published 2022-01-01“…Different machine learning (ML) and deep learning (DL) classifiers were used in this work to categorize the continuing impacts of tweets and forecast their after-effects. …”
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977
Design of Microstrip antenna by Integrating Octagonal Patch Configuration for UWB Application
Published 2025-06-01“… This work proposes gain enhancement of the microstrip antenna to use in applications operated in UWB spectrum. …”
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978
Evaluating Sugarcane Yield Estimation in Thailand Using Multi-Temporal Sentinel-2 and Landsat Data Together with Machine-Learning Algorithms
Published 2024-09-01“…Moreover, in order to generate the sugarcane yield estimation maps, only 75 sampling plots were selected and surveyed to provide training and validation data for several powerful machine-learning algorithms, including multiple linear regression (MLR), stepwise multiple regression (SMR), partial least squares regression (PLS), random forest regression (RFR), and support vector regression (SVR). Among these algorithms, the RFR model demonstrated outstanding performance, yielding an excellent result compared to existing techniques, achieving an R-squared (R<sup>2</sup>) value of 0.79 and a root mean square error (RMSE) of 3.93 t/ha (per 10 m × 10 m pixel). …”
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979
Automating tephra fall building damage assessment using deep learning
Published 2024-12-01“…We used these labelled data to train convolutional neural networks (CNNs) for (1) building localisation (average precision equals 0.728) and (2) damage classification into two levels of granularity: no damage vs. damage (<span class="inline-formula"><i>F</i><sub>1</sub></span> score <span class="inline-formula">=</span> 0.809) and moderate damage vs. major damage (<span class="inline-formula"><i>F</i><sub>1</sub></span> score <span class="inline-formula">=</span> 0.838) (1 is the maximum obtainable for both metrics). The trained models were incorporated into a pipeline along with all the necessary image processing steps to generate spatial data (a georeferenced vector with damage state attributes) for rapid tephra fall building damage mapping. …”
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980
混合驱动凸轮连杆机械压力机的分析与仿真
Published 2010-01-01“…The significance of applying hybrid cam-linkage mechanism to mechanical press is expounded.This new type of mechanistic configuration for the hybrid cam-linkage mechanical press is proposed and its kinematic principle is analyzed.Using complex number vector method,the inverse kinematic analysis of this hybrid mechanism is carried out and the actual operating function that can meet the demand of processing techniques is worked out.Based on Pro/Mechanism,The mechanism motion simulation is done.The results show that the hybrid cam-linkage mechanical press can realize multiple motion specification and satisfy multi-technique request from slider velocity characteristics in the course of process.According to the structure analysis and simulation for hybrid seven-bar mechanism,the conclusion that compared to the hybrid seven-bar press,the hybrid cam-linkage press has the merits of easy link lengths restriction and good motion output is obtained.At last,the dynamic simulation model is designed,and the power distribution of the constant speed motor and the servo-motor is analyzed.…”
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