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3381
Prediction of properties of electroless nickel plating with diamond powder based on artificial neural network
Published 2025-04-01“…The absolute relative error between the predicted coating performance values and experimental values of the GRNN model was less than 10.00%, with an average absolute relative error of 5.07%. …”
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3382
A traceability model for upper corner gas in fully mechanized mining faces based on XGBoost-SHAP
Published 2025-06-01“…Finally, the model performance was evaluated using multi-source sensor monitoring data from the field. Case analysis results showed that: ① the coefficient of determination (R2), mean absolute error (MAE), and root mean square error (RMSE) of the XGBoost model were 0.93, 0.007, and 0.008, respectively, indicating the highest goodness of fit and the lowest errors compared with random forest (RF), support vector regression (SVR), and gradient boosting decision tree (GBDT). ② The mean relative error of the XGBoost model was 4.478%, demonstrating higher accuracy and better generalization performance compared with the other models. ③ Based on the mean absolute SHAP values of input features, the gas concentration at T1 on the working face had the greatest influence on the gas concentration in the upper corner, followed by the gas concentration in the upper corner extraction pipeline, with the gas content and roof pressure of the mining coal seam following closely. …”
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3383
Prediction of the Residual Compressive Strength of Rice Husk Ash Concrete after Exposure to Elevated Temperatures Using XGBoost Machine Learning Algorithm
Published 2024-11-01“…The model accuracy was checked using statistical scores: coefficient of determination (R2), root mean squared error (RMSE), and mean absolute error (MAE). SHAP values were used for feature importance analysis. …”
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3384
Testing the role of online group-based supervision for local humanitarian workers following a crisis: A mixed-methods longitudinal study.
Published 2025-01-01“…A piecewise mixed-effects model within a Bayesian Hierarchical framework was used to assess changes in outcomes across three periods: the active control period (7 months), pre-earthquake supervision period (3 months), and post-earthquake supervision period (6 months). The thematic analysis was used to analyze the qualitative data from the interviews and supervision sessions. …”
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3385
Experimental studies on constant mass–volume depletion of gas-condensate systems
Published 2013-06-01“…Statistical error analysis was used to determine the accuracy of the model. …”
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3386
Development of a High-Speed Time-Synchronized Crop Phenotyping System Based on Precision Time Protoco
Published 2025-08-01“…This system can provide hardware support for multi-parameter acquisition and data registration in the fast mobile crop phenotype platform, laying a reliable data foundation for crop growth monitoring, intelligent yield analysis, and prediction.…”
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3387
Suggesting a Novel Hybrid Approach for Predicting Solar Irradiance in the Qinghai Province of China
Published 2024-09-01“…Many factors, such as the coefficient of determination, root mean square error, mean absolute percentage error, and mean absolute error have been used in presenting this work, and SMA-LSTM results with the lowest amount of R2 has illustrated acceptable performance.…”
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3388
Skip-based combined prediction method for distributed photovoltaic power generation
Published 2024-05-01“…In the feature extraction, we use statistical analysis, features cross-correlation, periodicity information, approximate entropy, and the temperature of PV panels to achieve deep feature extraction of time, weather, and power generation data, enriching the model inputs. …”
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3389
A LightGBM-Based Power Grid Frequency Prediction Method with Dynamic Significance–Correlation Feature Weighting
Published 2025-06-01“…This is achieved by constructing a joint screening mechanism of feature time series correlation analysis and statistical significance test, combined with the LightGBM gradient-boosting decision tree (GBDT) framework; accordingly, high-precision prediction of grid frequency time series data is realized. …”
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3390
A method for English paragraph grammar correction based on differential fusion of syntactic features.
Published 2025-01-01“…Then carry out difference fusion analysis, measure the syntactic differences of adjacent sentences by cosine similarity, identify the significant differences caused by grammatical errors according to the preset threshold, lock the position and type of errors, and input the original sentence vector into the Seq2Seq model based on Transformer. …”
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3391
基于R410A的板式换热器两相仿真计算模型
Published 2010-01-01“…The two-phase simulation models for a plate heat exchanger with R410A are established,and the error analysis and the comparison for the models are performed using the experimental data.Moreover,the factors to influence the performance of the heat exchanger are discussed.The average error of the modified model of condensation heat transfer is less than 5%.The accuracy of the modified model of evaporation heat transfer based on Yan and Lin increases by 10% compared with those in literature and its average err...…”
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3392
A Markerless Approach for Full-Body Biomechanics of Horses
Published 2025-08-01“…All networks predicted over 78% of the markers within 25% of the length of the radius bone on test data. Root-mean-square-error (RMSE) between joint angles predicted via IK using ground truth marker-based motion capture data and network-predicted data was less than 10 degrees for 25 to 32 of 35 degrees of freedom, depending on the gait and data used for network training. …”
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3393
Research on COP Prediction Model of Chiller Based on PSO-SVR
Published 2015-01-01“…The relative error is within 5%. So this model can provide theoretical basis for the chiller energy efficiency analysis, fault detection and diagnosis and optimizing control.…”
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3394
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3395
Linear mixed effects models under inequality constraints with applications.
Published 2014-01-01“…Constraints arise naturally in many scientific experiments/studies such as in, epidemiology, biology, toxicology, etc. and often researchers ignore such information when analyzing their data and use standard methods such as the analysis of variance (ANOVA). …”
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3396
Study on Finite Element Model Modification of Long-Span Suspension Bridge Based on BPANN-GA
Published 2024-01-01“…In order to improve the reliability of the finite element analysis model of long-span suspension bridges, this paper proposes a finite element model (FEM) modification method by the hybrid algorithm of backpropagation artificial neural network (BPANN) and genetic algorithm (GA) based on field measurements and vibration modal analysis. …”
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3397
Advanced Numerical Validation of Integrated Electrochemical-Thermal Models for PCM-Based Li-Ion Battery Thermal Management System
Published 2025-06-01“…Incorporating Capric acid (with a phase transition range of 302–305 K) as the PCM, the thermal management model demonstrates significantly improved accuracy over existing models in the literature. Notable error reductions include a 78.3% decrease in the Mean Squared Error (0.477 vs. 2.202), a 53.4% reduction in the Root Mean Squared Error (0.619 vs. 1.483), and a 55.5% drop in the Mean Absolute Percentage Error. …”
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3398
Research on IGBT Sequentially Prediction Algorithm Based on Improved Wavelet Neural Network
Published 2021-09-01“…Aiming at the aging failure of IGBT, an improved wavelet neural network sequentially prediction method based on genetic algorithm was proposed. Based on the analysis of IGBT failure mechanism, with the IGBT aging data, the instantaneous collector emitter peak voltage was selected as the failure characteristic parameter, the training set and test set were constructed by the sliding time window method, and then the wavelet neural network prediction model improved by genetic algorithm was built in MATLAB for prediction, which was compared with the traditional wavelet neural network prediction model. …”
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3399
Quantitative study of local defects by pulsed eddy current testing
Published 2024-12-01“…Analytical formulas are derived to describe the detection process, providing a foundation for subsequent error analysis. To optimize the detection process, four distinct types of error functions are formulated, and an optimization algorithm is employed to determine the parameters that minimize these error functions. …”
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3400
Spread Spectrum OFDM-IM With Efficient Precoded Matrix and Low Complexity Detector
Published 2024-01-01“…The theoretical analysis based on pair-wise error probability is derived to estimate the bit error probability (BEP) of the proposed scheme for the performance analysis. …”
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