Results 21 to 30 of about 1,666,389 (343)

A goal programming methodology for multiobjective optimization of distributed energy hubs operation [PDF]

open access: yes, 2014
This paper addresses the problem of optimal energy flow management in multicarrier energy networks in the presence of interconnected energy hubs. The overall problem is here formalized by a nonlinear constrained multiobjective optimization problem and ...
A. Vaccaro   +16 more
core   +2 more sources

P2 Mesh Optimization Operators [PDF]

open access: yes, 2019
Curved mesh generation starting from a P1 mesh relies on mesh deformation and mesh optimization techniques. Mesh optimization techniques consist in locally modifying the mesh in order to improve it with respect to a given quality criterion. This work presents the generalization of two mesh quality-based optimization operators to P2 meshes.
Feuillet, Rémi   +2 more
openaire   +2 more sources

Consensus Algorithm-Based Distributed Operation of Microgrids During Grid-Connected and Islanded Modes

open access: yesIEEE Access, 2020
The existing distributed operation schemes for microgrids lack the ability to determine the power selling to the grid during normal operation mode and are unable to provide service reliability to critical loads, during islanded operation mode.
Haesum Ali   +3 more
doaj   +1 more source

Enhancing quantum entanglement for continuous variables by a coherent superposition of photon subtraction and addition [PDF]

open access: yes, 2011
We investigate how the entanglement properties of a two-mode state can be improved by performing a coherent superposition operation of photon subtraction and addition, proposed by Lee and Nha [Phys. Rev. A 82, 053812 (2010)], on each mode.
Ji, Se-Wan   +3 more
core   +3 more sources

Optimal Operation of Compressors in an Integrated Gas and Electricity System—An Enhanced MISOCP Method

open access: yesIEEE Access, 2022
The optimal operation of gas-driven compressors (GDCs) and electric-driven compressors (EDCs) was investigated to minimise the cost of operating a gas network.
Qikun Chen   +3 more
doaj   +1 more source

Optimal operation of urban tidal drainage pumping station based on genetic algorithm coupled with head-water level successive approximation

open access: yesFrontiers in Energy Research, 2023
Aiming at the method of solving the optimization scheme for urban tidal drainage pumping stations during heavy rainfall below the urban drainage design standard, and the problems such as the mismatch between the head and water level of pumping stations ...
Gong Yi, Zou Wenhao
doaj   +1 more source

Input-output theory of the unconventional photon blockade [PDF]

open access: yes, 2013
We study the unconventional photon blockade, recently proposed for a coupled-cavity system, in presence of input and output quantum fields. Mixing of the input or output channels still allows strong photon antibunching of the output field, but for ...
Flayac, H., Savona, V.
core   +2 more sources

Optimal potentials for Schrödinger operators

open access: yesJournal de l’École polytechnique — Mathématiques, 2014
We consider the Schrödinger operator -Δ+V(x) on H 0 1 (Ω), where Ω is a given domain of ℝ d . Our goal is to study some optimization problems where an optimal potential V≥0 has to be determined in some suitable admissible classes and for some suitable optimization criteria, like the energy or the Dirichlet eigenvalues.
BUTTAZZO, GIUSEPPE   +3 more
openaire   +3 more sources

Review of Uncertainty Modeling for Optimal Operation of Integrated Energy System

open access: yesFrontiers in Energy Research, 2022
The operation of the integrated energy system will be affected by uncertainties, leading to sub-optimal design decisions. Accurate and effective modeling of these uncertainties is essential to ensure the optimal integration of renewable energy in the ...
Hong Fan, Cuiying Wang, Lu Liu, Xuan Li
doaj   +1 more source

Modeling a Hybrid Microgrid Using Probabilistic Reconfiguration under System Uncertainties

open access: yesEnergies, 2017
A novel method for a day-ahead optimal operation of a hybrid microgrid system including fuel cells, photovoltaic arrays, a microturbine, and battery energy storage in order to fulfill the required load demand is presented in this paper.
Hadis Moradi   +3 more
doaj   +1 more source

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