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Open Science and Open Access Policies as Drivers of Innovation: Evidence from Patent Activity in European Countries
Published 2025-07-01“…Using a panel dataset from 2000 to 2023, the analysis applies fixed-effects regression models with clustered standard errors and robust specifications, focusing on the logarithm of total patent applications as the dependent variable. …”
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1862
Photoplethysmography Feature Extraction for Non-Invasive Glucose Estimation by Means of MFCC and Machine Learning Techniques
Published 2025-06-01“…A comparison between the performance of the algorithms revealed that the best combination achieved a mean absolute error of 9.85 mg/dL and a correlation of 0.94 between the estimated concentration and the real glucose values. …”
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A Power Control Scheme For Doubly-fed Induction Generator
Published 2009-11-01Get full text
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1865
A Demodulation Method of Spatial Domain for Low-Coherence Interferometry With High Accuracy and Adaptability
Published 2020-01-01“…From −20 °C to 70 °C, the accuracy is stable and the maximum error is less than 0.054 kPa. The demodulation method has the potential to enhance the measurement accuracy and adaptability in actual environment for universal applications.…”
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1866
Regression machine learning-based highly efficient dual band MIMO antenna design for mm-Wave 5G application and gain prediction
Published 2025-08-01“…A machine learning-based performance prediction framework was employed, where five regression models were evaluated using critical metrics, including variance score, R-squared, mean squared error (MSE), mean absolute error (MAE), and root mean square error (RMSE). …”
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A Novel Classification of Uncertain Stream Data using Ant Colony Optimization Based on Radial Basis Function
Published 2022-11-01“…To avoid unintended results, data mining from new applications like sensors and location-based services needs to be done with care. …”
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1873
Active Vibration Control of Cantilever Structures by Integrating the Closed Loop Control Action into Transient Solution of Finite Element Model and an Application to Aircraft Wing
Published 2025-04-01“…The instantaneous value of the feedback signal at a time step is subtracted from zero to find the error signal value and the error value is multiplied by the control gain to calculate the controlling signal. …”
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1874
Design of Small Permanent-Magnet Linear Motors and Drivers for Automation Applications with S-Curve Motion Trajectory Control and Solutions for End Effects and Cogging Force
Published 2024-11-01“…After verification, practical test results showed a maximum position error of approximately 5.0 μm. Practical tests show that the designed small-type permanent-magnet linear motor and its driver provide efficient, stable, and high-precision solutions for automation applications.…”
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Predicting axial load capacity in elliptical fiber reinforced polymer concrete steel double skin columns using machine learning
Published 2025-04-01“…The validated model was then employed in a parametric study to generate 112 data points.The parametric study examined the impact of concrete strength, the cross-sectional size of the inner steel tube, and FRP thickness on the ultimate load-carrying capacity and ultimate strain of both hollow and solid hybrid elliptical DSTCs.The effectiveness of the AI application was assessed by comparing the models’ predictions with FE results.Among the models, XGBoost and RF achieved the best performance in both training and testing with respect to the determination coefficient (R2), Root Mean Square Error (RMSE), and Mean Absolute Error (MAE) values. …”
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