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521
An Improved Fault Diagnosis Method and Its Application in Compound Fault Diagnosis for Paper Delivery Structure Coupling
Published 2025-01-01“…Furthermore, the dimensionality reduction results of each network layer are visualized using the T-stochastic neighbor embedding (T-SNE) method, which reveals clear feature patterns and confirms the model’s reliability and effectiveness.…”
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522
Flow Field Prediction of Gas-Solid Fluidized Bed Based on POD and Surrogate Model
Published 2025-01-01“…The gas-solid two-phase flow process in the fluidized bed was predicted by adopting the POD-RBF method and the POD-Kriging method, respectively. Besides, the reduced-order model solutions with different gas velocities were compared with the full-order model solutions, and the effect of gas velocity on the bed motion was also studied. …”
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523
Temperature Compensation Method for MEMS Ring Gyroscope Based on PSO-TVFEMD-SE-TFPF and FTTA-LSTM
Published 2025-04-01“…First, the particle swarm optimization (PSO) algorithm is used to optimize the time-varying filter-based empirical mode decomposition (TVFEMD), obtaining optimal decomposition parameters. …”
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524
CONSTRUCTION METHOD OF WAVELET BASE BASED ON GAUSSIAN FUNCTION AND ITS APPLICATION IN FAULT DIAGNOSIS OF ROLLING BEARING
Published 2021-01-01“…In order to accurately diagnose the fault of rolling bearing,a wavelet base construction method based on Gaussian function is proposed. In this method,the superimposed Gaussian function is used as the initial model to construct the wavelet basis function. …”
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525
A P2P Electricity-Carbon Trading Mechanism for Distributed Prosumers Based on Carbon Emission Flow Model
Published 2024-12-01“…Based on the improved Benders decomposition method, the original problem is decomposed into the main problem considering network constraints and the subproblem of optimal scheduling for prosumers. …”
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526
Reinforcing Moving Linear Model Approach: Theoretical Assessment of Parameter Estimation and Outlier Detection
Published 2025-06-01“…Second, we enhance the extended ML (EML) model by introducing a new outlier detection and estimation method that identifies both the number and locations of outliers by maximizing the reduction in AIC. …”
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527
BA-ELM Gear Fault Diagnosis Method based on Energy Feature of Wavelet Packet Optimal Node
Published 2016-01-01“…In order to solve the problems that gear fault classification model has weak generalization ability,poor accuracy causing by the fault features of gear is difficult to extract and extreme learning machine input weights and threshold of hidden layer nodes randomly selected,a BA- ELM gear fault diagnosis method is puts forward based on energy feature of wavelet packet optimal nodes.First,the gear vibration signals are decomposed by using wavelet packet in this method,the optimal nodes is selected by using the correlation coefficient between each node decomposition signals and original signal,and the energy feature is calculated.Second,the bat algorithm is used to optimize the extreme learning machine input weights and threshold of hidden layer node and the gear fault classification model of BA-ELM is established.Finally,the energy entropy feature vectors of the optimal wavelet packet nodes as the model input is used to identify the different fault states of gear.The experimental results show that,comparing with SVM and ELM fault classification method,the BA-ELM gear fault diagnosis method based on energy feature of wavelet packet optimal nodes has higher classification accuracy and better generalization ability.…”
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528
EFFICIENCY OF WASTEWATER TREATMENT FROM CHLORAMPHENICOL USING Lemna minor
Published 2024-10-01“…The treatment time ranged from 1 to 72 hours. Methods. The chloramphenicol content in the model solutions was determined using high-performance liquid chromatography. …”
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529
Research on Price Prediction of Stock Price Index Based on Combination Method with Introduction of Options Market Information
Published 2025-04-01“…This study establishes a combination method-based prediction model for the CSI 300 stock index price embedded with options market information. …”
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530
An Optimization Method for Green Permutation Flow Shop Scheduling Based on Deep Reinforcement Learning and MOEA/D
Published 2024-10-01“…This paper addresses the green permutation flow shop scheduling problem (GPFSP) with energy consumption consideration, aiming to minimize the maximum completion time and total energy consumption as optimization objectives, and proposes a new method that integrates end-to-end deep reinforcement learning (DRL) with the multi-objective evolutionary algorithm based on decomposition (MOEA/D), termed GDRL-MOEA/D. …”
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531
Filling the data gap between GRACE and GRACE-FO based on a two-step reconstruction method
Published 2025-08-01Get full text
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532
Low-light image enhancement method based on retinex theory and dual-tree complex wavelet transform
Published 2025-06-01“…Additionally, we design reflectance consistency loss and Retinex decomposition loss to enhance the model’s generalization capability under complex lighting conditions. …”
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533
Method of Measurement Representativeness Assessment for Spatial Conductometric Sensors as Applied to Investigation of Hydrodynamics in Single Phase Flows
Published 2018-12-01“…Decomposition of the uncertainty sources and their propagation through measurements are investigated.To obtain the «cross-talk» effect of the measurements the fi model of WMS fl domain was created. …”
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534
Multi-Satellite Task Parallelism via Priority-Aware Decomposition and Dynamic Resource Mapping
Published 2025-04-01“…To address these problems, this paper proposes a task decomposition and resource mapping method based on task priorities and resource constraints. …”
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535
A Multi-Scale Unsupervised Feature Extraction Network with Structured Layer-Wise Decomposition
Published 2025-06-01“…Experimental results on classification and image segmentation tasks show that the proposed method enhances model performance by enriching input representations. …”
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536
CEEMDAN-IHO-SVM: A Machine Learning Research Model for Valve Leak Diagnosis
Published 2025-03-01“…To address this problem, this paper proposes a feature extraction method based on the combination of Complete Ensemble Empirical Mode Decomposition with Adaptive Noise (CEEMDAN) and Fuzzy Entropy (FN). …”
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537
Real-time temperature prediction of large-scale lithium battery module driven by data based on few measurement points
Published 2025-05-01“…Despite this, the maximum absolute error remains within 0.3 K, highlighting the robustness of the method. This slight error increase is attributed to the complex heat transfer dynamics near cooling interfaces, which pose challenges for most data-driven models. …”
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538
Three-stage hybrid modeling for real-time streamflow prediction in data-scarce regions
Published 2025-06-01“…The method was tested on four PERSIANN family precipitation products (2005–2019) using two conceptual hydrological models (CHM: HBV and GR6J) and three machine learning models (ML: Random Forest Regression, Boosted Regression Forest, and CatBoost Regression), with VMD applied to improve model inputs.New hydrological insights: Our results highlight that integrating VMD significantly enhances the reliability of hydrological simulations driven by satellite precipitation data, particularly during low-flow periods. …”
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539
Gear Fault Diagnosis Based on Empirical Mode Decomposition and 1.5 Dimension Spectrum
Published 2016-01-01“…Aiming at the nonlinear and nonstationary feature of mechanical fault vibration signal, a new fault diagnosis method, which is based on a combination of empirical mode decomposition (EMD) and 1.5 dimension spectrum, is proposed. …”
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540
Block-Based Multicut Benders Decomposition Algorithm for Transmission and Energy Storage Co-Planning
Published 2022-01-01“…This division makes it possible to use parallel computation methods to solve each block simultaneously, reducing the simulation time, which allows the use of a more extensive time window to model the variability of random variables of the system, such as wind and load. …”
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