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3901
SR-YOLO: Spatial-to-Depth Enhanced Multi-Scale Attention Network for Small Target Detection in UAV Aerial Imagery
Published 2025-07-01“…Second, a small target detection layer and a bidirectional feature pyramid network mechanism are introduced to enhance the neck network, thereby strengthening the feature extraction and fusion capabilities for small targets. Finally, the model’s detection performance for small targets is improved by utilizing the Normalized Wasserstein Distance loss function to optimize the Complete Intersection over Union loss function. …”
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3902
Digital twin-driven management strategies for logistics transportation systems
Published 2025-04-01“…The digital model is dynamically adjusted based on prediction results, further optimizing the management strategy. …”
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3903
Chromaticity-Adaptive Generalized Spatial Modulation for MIMO VLC With Multi-Color LEDs
Published 2019-01-01“…Therefore, the design algorithm of CA-GSM is derived with the optimal QLED selection pattern. …”
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3904
Enhancing the Green Construction Performance Resilience in Infrastructure Projects: A Complexity Perspective
Published 2025-07-01“…The optimization algorithm has been validated and shown to improve the GCPR level of the project. …”
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3905
Research on power system transformation based on edge node technology under the background of carbon neutrality
Published 2025-04-01“…In each island, the improved particle swarm optimization algorithm is used to reasonably distribute the power tasks, forming a novel power system with the coordinated planning of source-network-load-storage as the core. …”
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3906
Constrained total least squares localization using angle of arrival and time difference of arrival measurements in the presence of synchronization clock bias and sensor position er...
Published 2019-07-01“…Subsequently, a set of pseudo-linear equations are constructed, based on which the constrained total least squares optimization model has been formulated for target localization and the Newton iteration is applied to obtain the source position and clock bias simultaneously. …”
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3907
Advanced Load Balancing Based on Network Flow Approach in LTE-A Heterogeneous Network
Published 2014-01-01“…Furthermore, a novel algorithm named optimal solution-based LB (OSLB) is proposed. …”
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3908
Mix design and performance prediction of EPS lightweight structural concrete based on orthogonal experimentation
Published 2025-07-01“…A novel dataset was established and utilized in performance prediction using XGBoost, optimized with Seagull Optimization Algorithm (SOA), Whale Optimization Algorithm (WOA), and Particle Swarm Optimization (PSO). …”
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3909
Analysis and Research on Intelligent Logistics Data under Internet of Things and Blockchain
Published 2024-12-01“…To explore the security performance of logistics data transmission in an Intelligent Logistics System (ILS) under the Internet of Things (IoT) and Blockchain (BC), IoT is introduced to optimize the logistics transportation process. First, BC is adopted to improve the ILS under IoT, and ILS under IoT combined with BC is established. …”
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3910
Cost-effectiveness analysis of best management practices for non-point source pollution in watersheds: A review
Published 2017-03-01“…Application of cost-effectiveness analysis method included three categories, coupling NPS model with empirical calculation methods, coupling NPS model with economic model and cost-effectiveness analysis based on optimization algorithm. …”
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3911
Spatio‐temporal dynamic navigation for electric vehicle charging using deep reinforcement learning
Published 2024-12-01“…A recently proposed on‐policy actor–critic method, phasic policy gradient (PPG) which extends the proximal policy optimization algorithm with an auxiliary optimization phase to improve training by distilling features from the critic to the actor network, is used to make EVCS decisions on the network where EV travels through the optimal path from origin node to EVCS by considering dynamic traffic conditions, unit value of EV owner and time‐of‐use charging price. …”
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3912
Research on Unbalanced Electromagnetic Force Under Static Eccentricity of the Wheel Hub Motor Based on BP Neural Network
Published 2025-04-01“…A BP neural network optimization algorithm can reduce the time of electromagnetic force model simulation for 10 s from 1 h to about 50 s, which greatly improves the calculation efficiency of the electromagnetic force on the basis of ensuring the accuracy of the model, thus providing an unbalanced electromagnetic force model that is more suitable for the dynamic simulation of wheel hub direct-drive electric vehicles, which effectively solves the problem that the traditional electromagnetic force is difficult to couple with the vehicle dynamics model and lays a better foundation for subsequent research on the vertical vibration effect of wheel hub direct-drive electric vehicles.…”
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3913
Multi-Modal Federated Learning Over Cell-Free Massive MIMO Systems for Activity Recognition
Published 2025-01-01“…Additionally, we employ a modified Particle Swarm Optimization (PSO) algorithm for efficient resource allocation. …”
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3914
Consumer-Centered Collaborative Governance of Regional Business Environment
Published 2025-07-01“…This paper proposes a bi-level programming model based on consumer welfare, with the upper-level model focusing on optimizing the government’s investment allocation strategy to maximize consumer welfare, and the lower-level model addressing the spatial price equilibrium problem after improving the business environment. …”
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3915
A New hybrid generalized CG- method for non-linear functions
Published 2010-03-01“…In this paper a new extended generalized conjugate gradient algorithm is proposed for unconstrained optimization, which is considered as anew inverse hyperbolic model .In order to improve the rate of convergence of the new technique, a new hybrid technique between the standard F/R CG-method and Sloboda CG-method using quadratic and non-quadratic models is proposed by using exact and inexact line searches. …”
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3916
Detection of Foreign Bodies in Transmission Line Channels Based on Fusion of Swin Transformer and YOLOv5
Published 2025-03-01“…Finally, considering the mismatch between the real frame and the predicted frame, the structural similarity intersection over union (SIoU) is introduced to optimize the boundary errors and improve the generalization ability of the model. …”
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3917
基于逆动力学的柔性机械臂力学特性研究
Published 2014-01-01“…In order to study the mechanical property of the flexible manipulator,through using the low vibration manipulator inverse dynamics and time-varying modal expansion method to establish dynamics model of the single-link flexible manipulator,the manipulator self-excited vibration model is introduced to calculate the elastic model,the calculation method of optimal input torque and optimal torque disturbance is proposed,and the dynamic response analysis on different working conditions of joints is carried on,and finally the related model is established based on numerical calculation data to make a numerical validation.The results show that in the process of flexible manipulator modeling includes nonlinear terms,eliminating model linearization error,giving the structure and movement of the manipulator arm when requires,the optimal input torque can be calculated firstly to achieve the openloop control manipulator.By using perturbation model to understand the role of flexible,the convergence and speed of the algorithm are significantly improved compared with ordinary model,the results have good robustness.When rotating joints fixed,manipulator endpoint for harmonic vibration,if the natural frequency of the vibration frequency is close to the manipulator,the disturbance response divergence,and vice versa for the steady state vibration,when the joint moves fixed,manipulator endpoint for uniform rotation,when the speed is less than the critical speed,the disturbance attenuation response or stabilization,otherwise divergent.…”
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3918
Data-Driven Customer Retention Strategies in E-Commerce: A Fuzzy Z-Number Approach
Published 2025-01-01“…For the purpose of evaluating customer churn, we use the Support Vector Machine (SVM) model. In order to improve the performance of the SVM, we tune its parameters using the Coyote Optimization Algorithm (COA). …”
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3919
Foreign object detection on coal conveyor belt enhanced by attention mechanism
Published 2025-06-01“…In order to solve this problem, the network structure of the original YOLOv8 algorithm was optimized and a YOLOv8-CPCA detection method was proposed. …”
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3920
Application of Markov processes for analysis and control of aircraft maintainability
Published 2020-02-01“…In order to reduce the number of the mathematical operations for the analysis of aeronautical engineering maintainability by using non-stationary Markov processes an algorithm for their optimization is presented. The suggested methods of the analysis by means of Markov chains allow to execute comparative assessments of expected maintenance and repair costs for one or several one-type objects taking into account their original conditions and operation time. …”
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