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2361
Hybrid CNN–LSTM Model With Soft Attention Mechanism for Short‐Term Load Forecasting in Smart Grid
Published 2025-05-01“…The proposed model delivered single‐step forecasting results of 123.91 Root Mean Square Error (RMSE), 92.8 Mean Absolute Error (MAE), and 0.63 Mean Absolute Percentage Error (MAPE) on the AEP dataset and 126.16 RMSE, 64.28 MAE, and 0.44 MAPE on the ISONE dataset. …”
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2362
Processing of Polymers Stress Relaxation Curves Using Machine Learning Methods
Published 2023-12-01“…The maximum value of model error predictions was 0.86 for the MAPE metric, and the minimum value of model error predictions was 0.001 for the MSE metric. …”
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2363
Polarization Division Multiplexing-Based Hybrid Microwave Photonic Links for Simultaneous mmW and Sub-6 GHz Wireless Transmissions
Published 2020-01-01“…Extensive simulation analysis is first presented to examine (i) the impact of CD on mmW (25 GHz) and sub-6 GHz (2.6 GHz) signals, envisioned for the 5th generation networks, and (ii) optimization of CD-induced power fading by changing the phase relations between the optical carrier and optical sidebands in each polarization channel using single tunable polarization controller. …”
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2364
Predicting Ship Waiting Times Using Machine Learning for Enhanced Port Operations
Published 2025-01-01“…The XGBoost Regressor (XGBR) is optimized using genetic-algorithm-based hyperparameter tuning, reducing mean squared error (RMSE) from 20.9531 to 19.6387, mean absolute error (MAE) from 13.6821 to 12.6753, and improving coefficient of determination (R2) from 0.2791 to 0.2949. …”
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2365
Development of Advanced Machine Learning Models for Predicting CO<sub>2</sub> Solubility in Brine
Published 2025-02-01“…Among these, XGBoost demonstrated the highest overall accuracy, achieving an R<sup>2</sup> value of 0.9926, with low root mean square error (RMSE) and mean absolute error (MAE) of 0.0655 and 0.0191, respectively. …”
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2366
A dynamic prediction model of landslide displacement based on VMD–SSO–LSTM approach
Published 2024-04-01“…Simulation results underscore the effectiveness of the proposed VMD–SSO–LSTM model, indicating root-mean-square error (RMSE) and mean absolute percentage error (MAPE) values of 1.2329 mm and 0.1624%, respectively, along with a goodness of fit (R2) of 0.9969. …”
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2367
A LiDAR SLAM Algorithm Considering Dynamic Extraction of Feature Points in Underground Coal Mine
Published 2024-10-01“…This approach constructs a constraint matrix with rich and robust feature information, enhancing pose estimation accuracy in environments with inadequate feature constraints, mitigating degradation effects, and reducing global cumulative error. Subsequently, the consistent building of the underground coal mine environment is achieved through back-end factor graph optimization. …”
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2368
Rainfall Prediction in Khorasan Razavi Stations Using a Hybrid Neural Network and Genetic Algorithm Approach
Published 2025-03-01“…A convergence analysis of the GA was also provided, as well as histograms of the error distributions, which further validated the superior performance of the proposed NARXGA model. …”
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2369
RESEARCH ON THE GEAR OF SHEARER’S CUTTING PART BASED ON MFC-ANNS
Published 2016-01-01“…Combining MFC with ANNs could predict shearer ’s kinematics parameters when the gears was reliable operation,the prediction error reach 5. 6538 × 10<sup>- 6</sup>,the research results provides a unequivocal quantitative basis for the design and optimization of gear type parts which could improve this type of parts’ functional reliability effectively,this method has instruction significance to practical shearer’s productions.…”
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2370
Research on Health Monitoring of Flying-Swallow-Typed Tied Arch Bridge Based on PSO-GRNN Algorithm
Published 2024-01-01“…The mean absolute percent error (MAPE), root mean square error (RMSE), coefficient of determination (R2), and Nash-Sutcliffe efficiency (NSE) coefficient were used to evaluate the prediction performance of the model. …”
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2371
Crop yield and water productivity modeling using nonlinear growth functions
Published 2025-08-01“…Abstract Growth curve modeling plays a crucial role in precision agriculture by enabling rapid analysis of plant growth dynamics. Understanding the complex mechanisms of crop growth is essential for optimizing agricultural productivity. …”
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2372
Evaluating Machine Learning and Deep Learning models for predicting Wind Turbine power output from environmental factors.
Published 2025-01-01“…Using a dataset of 40,000 observations, the models were assessed based on R-squared, Mean Absolute Error (MAE), and Root Mean Square Error (RMSE). ET achieved the highest performance among ML models, with an R-squared value of 0.7231 and a RMSE of 0.1512. …”
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2373
Short-Term Power Load Prediction Based on Level Processing Method and Improved GWO Algorithm
Published 2025-01-01“…To address this issue, this study introduces level processing method and improved grey wolf genetic algorithm to predict short-term power load and optimize the power load prediction accuracy. The genetic algorithm is applied to optimize the traditional grey wolf algorithm. …”
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2374
Application of improved clustering algorithm in mixed teaching of modern educational technology
Published 2025-08-01“…With advances in algorithm optimization and computational capabilities, cluster analysis holds broad potential for educational applications. …”
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2375
Design and Testing of Electric Drive System for Maize Precision Seeder
Published 2024-10-01“…The analysis of motor rotational speed accuracy showed that the relative error of motor rotational speed above 410 rpm did not exceed 2.24%, and the relative error had less influence on the seeding quality. …”
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2376
Construction of a sugar and acid content estimation model for Miliang-1 kiwifruit during storage
Published 2025-01-01“…Each preprocessing technique addresses specific issues within the spectral data, such as correcting for light scattering, baseline shifts and other interferences, thereby optimizing the data for further analysis. To select the optimal hyperspectral wavelengths for predicting kiwifruit quality, Genetic Algorithm (GA) and Random Frog (RF) methods were employed. …”
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2377
Event-Triggered Adaptive Dynamic Programming Consensus Tracking Control for Discrete-Time Multiagent Systems
Published 2022-01-01“…Third, the stability analysis of the MASs under the event-triggered conditions is provided and the estimate errors of the neural networks’ weights are also proved to be ultimately uniformly bounded. …”
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2378
Measuring the Effective Factors in the Non-Development of the Sustainable Smart City of Tabriz
Published 2024-09-01“…Also, the goodness-of-fit index (GFI) was 0.946, which indicated the acceptability of this amount for the optimal fit of the model. The value of the root mean square error of estimation (RMSEA) was 0.057, which is acceptable considering that it is smaller than 0.08, and it indicates the confirmation of the research model. …”
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大功率循环泵行星齿轮箱耦合动态特性分析
Published 2013-01-01“…A coupled dynamics model containing gears-shafts-bearings-housing of a high-power circulating pump planetary gearbox is built comprehensively in consideration of the time-varying mesh stiffness and gear error. The coupled modal analysis is performed for this finite element model of the gearbox.The dynamic response is solved by using mode superposition method.Then the time-frequency history of node displacement and speed of the gearbox are obtained.All results provided a theoretical foundation for dynamic characteristic optimization of a high-power circulating pump planetary gearbox transmission system.…”
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