-
921
Optimizing switching sequences in AC-AC converters for enhanced safety and performance in conveyor systems
Published 2025-08-01“…Industrial systems require optimized control to maintain efficiency under variable loads. Fault conditions influence power stability and overall system functionality. …”
Get full text
Article -
922
Accelerating charge estimation in molecular dynamics simulations using physics-informed neural networks: corrosion applications
Published 2025-02-01“…This demonstrates the excellent accuracy, computational efficiency, and validity of the developed model. Lastly, even though developed for corrosion, these protocols are formulated in a phenomenon-agnostic manner, allowing application to various variable-charge interatomic potentials and related fields.…”
Get full text
Article -
923
A design-based framework for optimal stratification using super-population models with application on real data set of breast cancer.
Published 2025-01-01“…This study investigates the determination of stratification points for two study variables within the framework of simple random sampling, with a focus on estimating the population mean using a closely related auxiliary variable. …”
Get full text
Article -
924
An Optimal Hybrid Control Method for Energy-Saving of Chilled Water System in Central Air Conditioning
Published 2018-01-01“…Here, an optimum control method is proposed with the principle of the minimum, by setting the minimum power consumption as the performance function in fixed time, which realizes variable control of pumps and accurate adjustment of temperature inside room. …”
Get full text
Article -
925
Jacobian-Free Newton Krylov Methods for Steady and Transient Neutron Transport Models
Published 2024-06-01“…To further improve computational efficiency of comeSn_JFNK, in the JFNK solution, neutron scalar fluxes instead of neutron angular fluxes were chosen as the global solution variables. …”
Article -
926
Transfer Robustness Optimization for Urban Rail Transit Timetables
Published 2018-01-01“…Next, to improve the computational efficiency, we propose an approximate linearization approach for the EETC function and introduce two types of binary variables and auxiliary substitution variables to convert the nonlinear model to a mixed-integer linear model. …”
Get full text
Article -
927
A DQN-Based Algorithm for Operational Optimization of Freight Trains in Long Steep Downhill Sections
Published 2024-08-01“…The study employed the batch collection of training samples utilizing experience replay and a double-network mechanism, along with the preprocessing of neural network state inputs, and the investigation into feasible regions within the action space using a variable ε-greedy strategy. A loss function based on the value function was then constructed, and network parameters were updated iteratively by a batch gradient descent method. …”
Get full text
Article -
928
Evaluation of Face Stability for Mega Tunnel Under Varying Ground Strength Parameters
Published 2024-12-01“…This study investigates the impact of various geological strength variables, such as Young’s modulus and coefficient of lateral earth pressure, on Mega Tunnel face stability. …”
Get full text
Article -
929
Predicting biogas production in real scale anaerobic digester under dynamic conditions with machine learning approach
Published 2025-01-01“…In recent years, the use of machine learning techniques (ML) has become widespread for analysing the effects of operational factors on anaerobic digestion efficiency. Among these, Support Vector Regression (SVR) with a Radial Basis Function (RBF) kernel has been used to predict biogas yield based on diverse operating parameters. …”
Get full text
Article -
930
Surface Defect Detection for Small Samples of Particleboard Based on Improved Proximal Policy Optimization
Published 2025-04-01“…The method integrates the variable action space and the composite reward function and achieves the balanced optimization of different types of defect detection performance by adjusting the scaling and translation amplitude of the detection region. …”
Get full text
Article -
931
Sinc-Chebyshev Collocation Method for a Class of Fractional Diffusion-Wave Equations
Published 2014-01-01“…This paper is devoted to investigating the numerical solution for a class of fractional diffusion-wave equations with a variable coefficient where the fractional derivatives are described in the Caputo sense. …”
Get full text
Article -
932
COMPARATIVE ANALYSIS OF THE ACADEMIC PERFORMANCE IN THE AGRICULTURAL UNIVERSITIES FROM ROMANIA AND REPUBLIC OF MOLDOVA USING THE NONPARAMETRIC METHOD OF DATA ENVELOPMENT ANALYSIS
Published 2019-01-01“…As a result of analyzing the academic performance rating by option variable returns to scale, it is possible to determine the resources for improving staff activity by evaluating the distance function for each causal factor.…”
Get full text
Article -
933
Assessing the Effectiveness of DL-Clustering for Energy Optimization in Wireless Sensor Networks
Published 2025-08-01“…Determining the fitness function allows us to estimate the player's stability over these variables. …”
Get full text
Article -
934
Optimal Control Problem of Converter Steelmaking Production Process Based on Operation Optimization Method
Published 2015-01-01“…The optimal control indicator is determined via current state of converter smelting production process, and the set values of operation variable would control converter production. Relationship between various operating variables, current temperature, and carbon content is constructed through operation analysis of a great deal of actual production data; then, the dynamic optimal control indicator is derived from historical excellent smelting data; finally, the dynamic operation optimization model is built by taking the minimum deviation between the current data—molten steel temperature and carbon content—and optimal data which are determined by the optimal control indicator as objective function. …”
Get full text
Article -
935
Estimation of micro-extraction process hippuric acid for toluene exposure monitoring in urine samples
Published 2025-08-01“…Abstract This study employed a quick, efficient, sensitive, and easy-to-use micro-extraction process to monitor biomarker hippuric acid (BIHA) in urine samples as a bioindicator of exposure to toluene with an HPLC-DAD instrument. …”
Get full text
Article -
936
INVESTIGATION OF UV/TiO2-ZnO-Co PHOTOCATALITIC DEGRADATION OF AZO DYE (REACTIVE RED 120) BY RESPONSE SURFACE METHODOLOGY
Published 2017-06-01“…Results were in agreement with empirical values and the sensitivity analysis showed above parameters as the most efficient variables in decolorization efficiency. Analysis of variance (ANOVA) revealed highly determination coefficient value (R2 = 0.9996 and adjusted-R2 = 0.999) and satisfactory prediction second-order regression model. …”
Get full text
Article -
937
Mitigating Load Imbalance and Enhancing Distribution Transformer Performance via Fuzzy Inference System
Published 2025-06-01“…To address this issue, this study proposes a fuzzy logic-based approach using a Mamdani-type Fuzzy Inference System (FIS). The input variables, current magnitudes in phases R, S, and T, are represented by trapezoidal membership functions classified into several categories. …”
Get full text
Article -
938
Estimation of Total Suspended Solids Concentration in Streams Using Regression and Artificial Neural Networks Methods
Published 2023-01-01“…Root mean square error, mean absolute error, and Nash-Sutcliffe (NS) efficiency coefficient statistics were used to evaluate the model and method performances. …”
Get full text
Article -
939
Pareto Optimal Solutions for Stochastic Dynamic Programming Problems via Monte Carlo Simulation
Published 2013-01-01“…Instead of using the expected values of the objective function, the randomness nature of the decision variables is kept along the process, while Pareto fronts weighted by all quantiles of the objective function are determined. …”
Get full text
Article -
940
Trajectory Planning Method in Time-Variant Wind Considering Heterogeneity of Segment Flight Time Distribution
Published 2024-11-01“…This study aims to optimize a reliable and efficient trajectory by minimizing the Mean-Excess Flight Time (MEFT). …”
Get full text
Article