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1241
Research on coal mine robot positioning algorithm based on integration of ORB-SLAM3 vision and inertial navigation
Published 2025-06-01“…According to the principle of tight coupling of visual inertial navigation, the residual function of the whole positioning system is constructed by fusing visual residual error and IMU residual error, and the sliding window BA algorithm based on nonlinear optimization is used to iteratively optimize the residual function to obtain accurate pose estimation of the mobile robot. …”
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1242
Machine Learning-Driven Prediction of Vitamin D Deficiency Severity with Hybrid Optimization
Published 2025-02-01“…The improved whale optimization (IWOA) algorithm was used for feature selection, which optimized weight functions to improve prediction accuracy. …”
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1243
An Improved Galerkin Framework for Solving Unsteady High-Reynolds Navier–Stokes Equations
Published 2025-08-01“…This error indicator guides an AMR algorithm that combines longest-edge bisection with local Delaunay re-triangulation, ensuring optimal mesh adaptation to complex flow features such as boundary layers and vortices. …”
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1244
Accuracy–Efficiency Trade-Off: Optimizing YOLOv8 for Structural Crack Detection
Published 2025-06-01“…To address the accuracy–efficiency trade-off faced by deep learning models in structural crack detection, this paper proposes an optimized version of the YOLOv8 model. YOLO (You Only Look Once) is a real-time object detection algorithm known for its high speed and decent accuracy. …”
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1245
Schur Complement Optimized Iterative EKF for Visual–Inertial Odometry in Autonomous Vehicles
Published 2025-07-01Get full text
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1246
Optimization of multi-structural parameters in metamaterials based on the DGN co-simulation method.
Published 2025-01-01“…Then the global algorithm is combined with the local algorithm to solve the problem of poor convergence of the global optimization algorithm while ensuring the optimization quality of the local optimization algorithm. …”
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1247
APG mergence and topological potential optimization based heuristic user association strategy
Published 2022-06-01“…Therefore, it is reasonable to model the problem of improving network scalable degree as minimizing network coupling degree,and it is feasible to improve network scalable degree by reducing network coupling degree.2)The upper limit of computational complexity of the proposed algorithm is <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML"> <mi mathvariant="script">O</mi><mo stretchy="false">(</mo><mi>K</mi><mi>N</mi><msub> <mi>log</mi> <mn>2</mn> </msub> <mi>N</mi><mo>+</mo><msup> <mi>k</mi> <mn>2</mn> </msup> <mo>+</mo><mi>N</mi><mi>N</mi><msub> <mover accent="true"> <mi>N</mi> <mo>¯</mo> </mover> <mtext>p</mtext> </msub> <mo stretchy="false">)</mo></math></inline-formula>,while that of directly solving the optimization problem is<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="script">O</mi><mo stretchy="false">(</mo><msup> <mi>N</mi> <mrow> <msub> <mover accent="true"> <mi>N</mi> <mo>¯</mo> </mover> <mtext>u</mtext> </msub> <mi>K</mi></mrow> </msup> <mo stretchy="false">)</mo></math></inline-formula>.3)For theoretical analysis of the network scalable degree,take Fig.3 as an example.If AP2 changes,12 APs in Fig. 3(a)are affected and the network scalable degree is η<sub>2</sub>=0.51,while 4 APs in Fig.3(c)are affected and the network scalable degree is η<sub>2</sub>=0.79.4)Fig.5 shows the simulation results of network scalable degree.Compared with the traditional strategy,the network scalable degree is improved by 9.59% with 4.43% user rate loss.Compared with the strategy in[10],the network scalable degree is improved by 22.15% with 4.99% user rate loss. 5) The algorithm parameters, the threshold β<sub>0</sub>of overlap rate and the upper limit number N<sub>0</sub>of AP associated, effect the performance.As shown in Fig.6,with β<sub>0</sub>or N<sub>0</sub>decreases,η increases and the total user rate decreases. …”
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1248
Networked Sensor-Based Adaptive Traffic Signal Control for Dynamic Flow Optimization
Published 2025-06-01“…This method integrates the Webster algorithm with a proportional–integral–derivative (PID) controller, whose parameters are optimized using a genetic algorithm, thereby facilitating scientifically informed traffic signal timing strategies for enhanced traffic regulation. …”
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1249
COD Optimization Prediction Model Based on CAWOA-ELM in Water Ecological Environment
Published 2021-01-01“…In order to detect high error rate and poor convergence of the water ecological chemical oxygen demand (COD) prediction model, combining the limit learning machine (ELM) model and whale optimization algorithm, CAWOA is improved by the sin chaos search strategy, while the ELM optimizes the parameters of the algorithm to improve convergence speed, thus improving the generalization performance of the ELM. …”
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1250
Optimized Integral Super-Twisting Sliding Mode Control for Acute Leukemia Therapy
Published 2025-03-01“…These improvements highlight the potential of ISTSMC in optimizing chemotherapy administration, ensuring better patient outcomes while minimizing side effects.…”
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1251
Research on Adaptive Planning of Three-Dimensional Trajectory for Uncrewed Aerial Vehicle Inspection Based on Nonlinear Weibull Algorithm
Published 2025-01-01“…An S-shaped characteristic function-based nonlinear evolution factor is employed to balance global exploration and local exploitation of the optimal path, while a Weibull flight operator mutation strategy is designed to enable the algorithm to escape from locally optimal paths, enrich the search space, and improve convergence accuracy. …”
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1252
Optimizing Fairness and Spectral Efficiency With Shapley-Based User Prioritization in Semantic Communication
Published 2025-01-01“…Notably, as the number of channels increases, S-SE stabilizes while fairness continues to improve, approaching optimal levels in diverse system configurations. …”
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1253
Optimal scheduling of BIES with multi-energy flow coupling based on deep RL
Published 2025-05-01“…Building integrated energy systems (BIESs) can enhance energy efficiency ratio (EER) and reduce carbon emissions while meeting diverse user-side load demands. To further improve the energy dispatch capability of BIES, this paper proposes a low-carbon economic and optimal dispatch method for BIES with multi-energy flow coupling based on deep reinforcement learning (deep RL). …”
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1254
Deep Reinforcement Learning-Based Motion Control Optimization for Defect Detection System
Published 2025-04-01“…A composite reward mechanism is introduced to mitigate potential motor instability, while CP-MPA is utilized to optimize the performance of the proposed m-TD3 composite controller. …”
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1255
Two-Stage Integrated Optimization Design of Reversible Traction Power Supply System
Published 2025-02-01“…The parallel cheetah algorithm is employed to solve this complex optimization problem. …”
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1256
Integrating Machine Learning and Multi-Objective Optimization in Biofuel Systems: A Review
Published 2025-01-01“…Studies have leveraged hybrid models, including Convolutional Neural Network - Gated Recurrent Unit (CNN-GRU) networks for emission control and Neutrosophic Fuzzy Optimization (NFO) for uncertainty handling. While existing models demonstrate improvements in predictive accuracy and optimization effectiveness, challenges remain in model generalization, computational complexity, and real-time adaptability. …”
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1257
Decentralized Multi-Robot Navigation Based on Deep Reinforcement Learning and Trajectory Optimization
Published 2025-06-01“…Additionally, it introduces safety constraints through an artificial potential field (APF) to optimize these trajectories. Additionally, a constrained nonlinear optimization method further refines the APF-adjusted paths, resulting in the development of the GNN-RL-APF-Lagrangian algorithm. …”
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1258
Optimization of Operation Strategy of Multi-Islanding Microgrid Based on Double-Layer Objective
Published 2024-09-01“…The simulation results show that shared energy storage can optimize the allocation of multi-party resources by flexibly adjusting the control mode, improving the efficiency of resource utilization while improving the consumption of renewable energy, meeting the power demand of all parties, and realizing the sharing of energy storage resources. …”
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1259
Development of an Optimized Ensemble Least Squares Model for Identifying Potential Deposit Customers
Published 2024-12-01“…This study presents the development and optimization of an Ensemble Least Squares (ELS) algorithm to enhance the classification of potential deposit customers. …”
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1260
A Novel Hybrid Metaheuristic MPA-PSO to Optimize the Properties of Viscous Dampers
Published 2025-04-01“…The results show that the hybrid algorithm has demonstrated significant performance improvement compared to the independent methods in identifying optimal values. …”
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