Results 11 to 20 of about 114,557 (285)

Covariance Matrix Adaptation Evolution Strategy for Improving Machine Learning Approaches in Streamflow Prediction

open access: yesMathematics, 2022
Precise streamflow estimation plays a key role in optimal water resource use, reservoirs operations, and designing and planning future hydropower projects.
Rana Muhammad Adnan Ikram   +4 more
doaj   +3 more sources

Covariance matrix adaptation evolution strategy based optical phase control

open access: yesElectronics Letters, 2021
In this letter, an investigation of the use of a covariance matrix adaptation evolution strategy (CMA‐ES) algorithm is conducted as the phase‐locking method for multi‐channel coherent beam combining (CBC) for the first time.
Hansol Kim, Yoonchan Jeong
doaj   +1 more source

Ship Autonomous Berthing Simulation Based on Covariance Matrix Adaptation Evolution Strategy

open access: yesJournal of Marine Science and Engineering, 2023
Existing research on auto-berthing of ships has mainly focused on the design and implementation of controllers for automatic berthing. For the real automatic docking processes, not only do external environmental perturbations need to be taken into ...
Guoquan Chen, Jian Yin, Shenhua Yang
doaj   +1 more source

Application of Covariance Matrix Adaptation-Evolution Strategy to Optimal Portfolio [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2019
Capital portfolio management is considered an important issue in the field of economics and its main subject is about the scientific management of combination choice of assets that meet the specific investment objectives.
S. Amir Ghoreishi, Hamid Khaloozadeh
doaj   +1 more source

Optimization of a Photonic Crystal Nanocavity Using Covariance Matrix Adaptation Evolution Strategy

open access: yesIEEE Photonics Journal, 2022
H0-type photonic crystal nanocavities hold high quality factors Q and quite small cavity mode volumes. This study finds their ultrahigh Q structures, which allow stable operation as a nanolaser even with fabrication-induced disordering.
Kohei Takahashi, Toshihiko Baba
doaj   +1 more source

An improved hyperparameter optimization framework for AutoML systems using evolutionary algorithms

open access: yesScientific Reports, 2023
For any machine learning model, finding the optimal hyperparameter setting has a direct and significant impact on the model’s performance. In this paper, we discuss different types of hyperparameter optimization techniques.
Amala Mary Vincent, P. Jidesh
doaj   +1 more source

CMA-PSO Algorithm for Fuzzy Cloud Resource Scheduling

open access: yesJournal of Harbin University of Science and Technology, 2022
Aiming at the multiobjective cloud resource scheduling problem, with the goal of optimizing the total completion time and total execution cost of the task, a fuzzy cloud resource scheduling model is established using the method of fuzzy mathematics ...
LI Cheng-yan, SONG Yue, MA Jin-tao
doaj   +1 more source

An adaptive ES with a ranking based constraint handling strategy [PDF]

open access: yesYugoslav Journal of Operations Research, 2014
To solve a constrained optimization problem, equality constraints can be used to eliminate a problem variable. If it is not feasible, the relations imposed implicitly by the constraints can still be exploited.
Kusakci Ali Osman, Can Mehmet
doaj   +1 more source

Matrix Adaptation Evolution Strategy with Multi-Objective Optimization for Multimodal Optimization

open access: yesAlgorithms, 2019
The standard covariance matrix adaptation evolution strategy (CMA-ES) is highly effective at locating a single global optimum. However, it shows unsatisfactory performance for solving multimodal optimization problems (MMOPs).
Wei Li
doaj   +1 more source

Robust Covariance Matrix Adaptation Evolution Strategy: Optimal Design of Magnetic Devices Considering Material Variation

open access: yesIEEE Access, 2023
Uncertainties caused by material variation can significantly impair the characteristics of devices. Therefore, it is important to design devices whose performance is not significantly damaged even when material variations occur. Robust optimization seeks
Akito Maruo, Hajime Igarashi
doaj   +1 more source

Home - About - Disclaimer - Privacy