Results 21 to 30 of about 7,435,185 (311)

New modelling of photovoltaic power integration system and its control strategy for medium-voltage DC distribution network

open access: yesThe Journal of Engineering, 2019
Here, a novel photovoltaic power integration system based on LLC resonant converters is proposed for medium-voltage DC distribution network, which exhibits a feasible and efficient solution for large-scale solar energy integrating into DC grids.
Jiaxi Chen   +3 more
doaj   +1 more source

Refined saddle-point preconditioners for discretized Stokes problems [PDF]

open access: yes, 2016
This paper is concerned with the implementation of efficient solution algorithms for elliptic problems with constraints. We establish theory which shows that including a simple scaling within well-established block diagonal preconditioners for Stokes ...
Silvester, David J.   +8 more
core   +1 more source

Efficient Solution of Nonlinear Duffing Oscillator [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2020
In this paper, the efficient multi-step differential transform method (EMsDTM) is applied to get the accurate approximate solutions for strongly nonlinear duffing oscillator.
Iman Khatami   +2 more
doaj   +1 more source

AI-driven big data visualization for cybersecurity using bipolar fuzzy Einstein prioritized operators [PDF]

open access: yesArchives of Control Sciences
As cyberattacks become more advanced, advanced AI-based big data visualization is now needed for effective threat detection. Yet, choosing the best visualization tools is some multicriteria decision-making (MCDM) task that involves considering many ...
Ubaid ur Rehman   +3 more
doaj   +1 more source

Solution of Extended Multi-Objective Portfolio Selection Problem in Uncertain Environment Using Weighted Tchebycheff Method

open access: yesComputers, 2022
In this paper, a mathematical model for an extended multi-objective portfolio selection (EMOPS) problem is explored with liquidity considered as another objective function besides the risk and return.
Pavan Kumar
doaj   +1 more source

The Multiobjective Bottleneck Transportation Problem [PDF]

open access: yesComputer Science Journal of Moldova, 2001
In this paper we give the solution methods for a multicriterial transportation problem of a nonlinear type. We would like to note that the problems of this type do not have any classical solution algorithms.
Alexandra Tkachenko, Artiom Alhazov
doaj  

On some new classes of functionals and their applications in optimization models [PDF]

open access: yesArchives of Control Sciences
This paper investigates a class of multi-objective variational control problems, named (VCP), characterized by vector-valued integral objective/cost functional and differentiable inequality constraints.
Valeria Cîrlan, Savin Treanţă
doaj   +1 more source

On Solutions of Possibilistic Multi- objective Quadratic Programming Problems [PDF]

open access: yesInternational Journal of Supply and Operations Management, 2017
In this paper, a multi- objective quadratic programming (Poss- MOQP) problem with possibilistic variables coefficients matrix in the objective functions is studied.
Hamiden Khalifa
doaj   +1 more source

Series in vector spherical harmonics: an efficient tool for solution of nonlinear problems in spherical plasmas [PDF]

open access: yes, 2000
The series expansion of the plasma fields and currents in vector spherical harmonics has been demonstrated to be an efficient technique for solution of nonlinear problems in spherically bounded plasmas.
Ostrikov, K.   +5 more
core   +2 more sources

Candida Diet Solution Reviews: The Best Yeast Infections Solution Or Fake Results?

open access: yes, 2023
Candida Diet Solution is a program that can help you eliminate candida yeast ...
Candida Diet Solution
core   +1 more source

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