-
4881
Modeling of the Power Station Boiler Combustion Efficiency Considering Multiple Work Condition with Feature Selection
Published 2020-04-01“…It is difficult for power station boiler efficiency to measure precisely A datadriven modeling method is proposed to establish the boiler combustion efficiency model, according to the machine learning theories A classification and regression trees (CART) algorithm provides correlated variables which have significant relation with the boiler combustion efficiency by data analysis Then, a KNearest Neighbor (KNN) classifies the samples to distinguish the data from different work conditions Based on the classified data, a least square support vector machine (LSSVM) optimized by differential evolution (DE) algorithm is proposed to establish a datadriven model (DDMMF) The parameters of LSSVM are optimized dynamically by DE to improve the model accuracy Finally, the prediction model is corrected dynamically for further improvement of the prediction accuracy The experimental results based on actual production data illustrate that the proposed approach can predict the boiler combustion efficiency accurately, which meets the requirements of boiler control and optimization…”
Get full text
Article -
4882
Multi-objective Predictive Control of Gas Turbine System Based on T-S Fuzzy Model
Published 2020-11-01“…Next, the multi-objective predictive controller is designed in which the load tracking index and economic index are defined and combined into a comprehensive multi-objective cost function. Then, in order to improve the settling speed of load tracking process, the simultaneous heat transfer search algorithm is employed to optimize the cost function and determine the control variables. …”
Get full text
Article -
4883
Diffusion Model With Gradient Descent Module Guiding Reconstruction for Single-Pixel Imaging
Published 2024-01-01“…Inspired by the proximal gradient descent algorithm (PGD), we propose Diffusion Model with Gradient Descent Module Guiding Reconstruction for Single-Pixel Imaging. …”
Get full text
Article -
4884
Research on multimodal social media information popularity prediction based on large language model
Published 2024-11-01“…Finally, an improved direct preference optimization (DPO) algorithm IDPOP was developed by constructing preference data and adding a parameter-tuned penalty to the DPO loss function, resolving instability and non-convergence in RLHF and incorrect optimization in standard DPO for social media popularity prediction. …”
Get full text
Article -
4885
Simulating Methylamine Using a Symmetry-Adapted, Qubit Excitation-Based Variational Quantum Eigensolver
Published 2025-04-01Get full text
Article -
4886
Modeling vector control of the asynchronous drive of electric rolling stock auxiliary machines
Published 2022-03-01“…The developed complex of an asynchronous motor and a vector control system enable to work out various algorithms for improving the energy efficiency of the operation of asynchronous auxiliary machines of an electric locomotive by applying the proposed algorithm for choosing the optimal value of the rotor flux linkage. …”
Get full text
Article -
4887
Analysis of the state of geometrization development and digital modeling in open-pit mining enterprises
Published 2025-07-01“…The article is devoted to the study of modern technologies of geometrization and digital modeling at open-pit mining enterprises. The relevance of the work is due to the requirements for optimizing mining processes, ensuring labor safety and increasing economic efficiency in the exploitation of deposits. …”
Get full text
Article -
4888
Characterizing Wake Behavior of Adaptive Aerodynamic Structures Using Reduced-Order Models
Published 2025-07-01“…Hence, the development of better wake models is critical for better turbine design and controls. …”
Get full text
Article -
4889
Research on Financial Stock Market Prediction Based on the Hidden Quantum Markov Model
Published 2025-08-01“…Experimental results demonstrate that the proposed quantum model outperforms classical algorithmic models in handling higher complexity, achieving improved efficiency, reduced computation time, and superior predictive performance. …”
Get full text
Article -
4890
Effectiveness of machine learning models in diagnosis of heart disease: a comparative study
Published 2025-07-01“…An extensive array of preprocessing techniques is thoroughly examined in order to optimize the predictive models’ quality and performance. …”
Get full text
Article -
4891
Multi-objective optimization of custom implant abutment design for enhanced bone remodeling in single-crown implants using 3D finite element analysis
Published 2024-07-01“…In conclusion, the depth and taper have a significant effect on bone remodeling. This optimized model significantly improves bone density uniformity.…”
Get full text
Article -
4892
Optimasi Algoritma Support Vector Machine Berbasis Kernel Radial Basis Function (RBF) Menggunakan Metode Particle Swarm Optimization Untuk Analisis Sentimen
Published 2025-06-01“…These reviews are an important source of information for application developers to understand user perceptions, identify problems, and improve service quality. The study investigates the effectiveness of the Particle Swarm Optimization (PSO) method for balanced and unbalanced datasets and how well it improves sentiment analysis accuracy when applied to the Support Vector Machine (SVM) algorithm when using Radial Basis Function (RBF) kernel. …”
Get full text
Article -
4893
Deep learning-based classification of coronary arteries and left ventricle using multimodal data for autonomous protocol selection or adjustment in angiography
Published 2025-04-01“…This model has the potential to streamline clinical workflows, improve diagnostic accuracy, and enhance safety for both patients and operators.…”
Get full text
Article -
4894
Robust InceptionV3 with Novel EYENET Weights for Di-EYENET Ocular Surface Imaging Dataset: Integrating Chain Foraging and Cyclone Aging Techniques
Published 2025-08-01“…This research highlights the potential of nature-inspired optimization algorithms and tailored datasets to enhance AI model robustness and adaptability in the context of medical disease diagnosis, particularly in the field of diabetic eye disease.…”
Get full text
Article -
4895
A novel network-level fused deep learning architecture with shallow neural network classifier for gastrointestinal cancer classification from wireless capsule endoscopy images
Published 2025-03-01“…The proposed framework offers improved accuracy, precision, and computational efficiency compared to state-of-the-art models. …”
Get full text
Article -
4896
Accelerated Reconstruction of Scenes Using CUDA-Based Parallel Computing
Published 2025-01-01“…Since the drone needs to use an embedded onboard computer and stereo matching algorithms require massive computing resources, this paper studies the optimization of CUDA-based stereo matching algorithms on embedded devices to improve the reconstruction effect of scenes and achieve rapid reconstruction, thereby reducing time costs, and enhancing drone efficiency.…”
Get full text
Article -
4897
Observer-based finite-time event-triggered secure control for fuzzy implicit systems against deception attacks: A single-link flexible joint robotic application
Published 2025-09-01“…Furthermore, the Gray Wolf Optimization (GWO) algorithm is employed alongside linear matrix inequality techniques to optimize the gains of both the controller and the observer. …”
Get full text
Article -
4898
Revealing the Driving Factors of Household Energy Consumption in High-Density Residential Areas of Beijing Based on Explainable Machine Learning
Published 2025-04-01“…Data were collected through field surveys, questionnaires, and interviews, covering 16 influencing factors across household, building, environment, and transportation categories. A hyperparameter-optimized ensemble model (XGBoost, RF, GBDT) was employed, with XGBoost combined with genetic algorithm tuning performing best. …”
Get full text
Article -
4899
Interpretable model based on MRI radiomics to predict the expression of Ki-67 in breast cancer
Published 2025-04-01“…The Shapley Additive Explanation (SHAP) algorithm was employed to explain the optimal model, and the AUC was used to assess the model’s performance. …”
Get full text
Article -
4900
A nonlinear dynamic hysteresis model and dynamic performance of the piezoelectric ring bending actuator
Published 2025-06-01“…Second, an improved model of the piezoelectric ring bending actuator was developed based on the Bouc–Wen model, and its parameters were identified by the particle swarm optimization algorithm. …”
Get full text
Article