Results 1 to 10 of about 2,889 (160)

Improving Time-Cost Balance in Critical Path Method (CPM) Using Dragonfly Algorithm (DA) [PDF]

open access: yesInternational Journal of Industrial Engineering and Production Research, 2019
The CPM (critical path method) technique is to search out the longest path to try and do activities, so as to compress and cut back the time it takes for a project, which finally ends up inside the creation of an identical and intensive network of ...
Mohmmad Anvar Adibhesami   +3 more
doaj   +4 more sources

A Cluster-Tree-Based Secure Routing Protocol Using Dragonfly Algorithm (DA) in the Internet of Things (IoT) for Smart Agriculture

open access: yesMathematics, 2022
The Internet of Things defines a global and comprehensive network whose task is to monitor and control the physical world by collecting, processing, and analyzing data sensed by IoT devices.
Mehdi Hosseinzadeh   +6 more
doaj   +2 more sources

Machine learning analysis and simulation of pharmaceutical drying process based on prediction of concentration distribution and mass transfer [PDF]

open access: yesScientific Reports
Modeling and analysis of the lyophilization process for low-temperature drying of pharmaceutical compounds was evaluated via a hybrid model that combines mass transfer and machine learning.
Khaled Almansour, Hashem O. Alsaab
doaj   +2 more sources

Joint User Association and Deployment Optimization for Energy-Efficient Heterogeneous UAV-Enabled MEC Networks [PDF]

open access: yesEntropy, 2023
Unmanned aerial vehicles (UAVs) providing additional on-demand communication and computing services have become a promising technology. However, the limited energy supply of UAVs, which constrains their service duration, has emerged as an obstacle in UAV-
Zihao Han   +3 more
doaj   +2 more sources

Permanent magnet synchronous motor demagnetization fault diagnosis based on PCA-ISSA-PNN [PDF]

open access: yesScientific Reports
Aiming at the demagnetization fault problem of the permanent magnet synchronous motor (PMSM), a demagnetization fault diagnosis method based on the combination of the principal component analysis (PCA) algorithm, the improved sparrow search algorithm ...
Yinquan Yu   +4 more
doaj   +2 more sources

Parameter Estimation of the Nonlinear Muskingum Flood-Routing Model Using The new dragonfly algorithm [PDF]

open access: yesمهندسی عمران شریف, 2021
Flood routing is one of the most complex problems investigated in hydrologic engineering and it can help design engineers to recognize the impacts of riverine projects. Among the different flood routing methods, the Muskingum model as the best hydrologic
S. Khalifeh   +2 more
doaj   +1 more source

A Hybrid Binary Dragonfly Algorithm with an Adaptive Directed Differential Operator for Feature Selection

open access: yesRemote Sensing, 2023
Feature selection is a typical multiobjective problem including two conflicting objectives. In classification, feature selection aims to improve or maintain classification accuracy while reducing the number of selected features. In practical applications,
Yilin Chen   +6 more
doaj   +1 more source

Digital Watermarking using Dragonfly Optimization Algorithm [PDF]

open access: yesJournal of Information Technology Management, 2020
In this paper a novel digital watermarking algorithm is proposed. The proposed method comprises of a watermarking embedding and extraction algorithm using bio inspired optimization technique.
Satender Sharma   +3 more
doaj   +1 more source

Connectivity of Drones in FANETs Using Biologically Inspired Dragonfly Algorithm (DA) through Machine Learning

open access: yesWireless Communications and Mobile Computing, 2022
Flying Ad hoc Network (FANET) presents various challenges during communication due to the dynamic nature of network and ever‐changing topology. Owing to high mobility, it is difficult to ensure a well‐connected network and link stability. Thus, flying nodes have a higher chance of becoming disconnected from the network.
Shahzad Hameed   +7 more
openaire   +1 more source

A Hybridization of Dragonfly Algorithm Optimization and Angle Modulation Mechanism for 0-1 Knapsack Problems

open access: yesEntropy, 2021
The dragonfly algorithm (DA) is a new intelligent algorithm based on the theory of dragonfly foraging and evading predators. DA exhibits excellent performance in solving multimodal continuous functions and engineering problems.
Lin Wang, Ronghua Shi, Jian Dong
doaj   +1 more source

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