Results 41 to 50 of about 5,942,482 (246)

A Workload-Specific Memory Capacity Configuration Approach for In-Memory Data Analytic Platforms

open access: yes, 2017
We propose WSMC, a workload-specific memory capacity configuration approach for the Spark workloads, which guides users on the memory capacity configuration with the accurate prediction of the workload's memory requirement under various input data size ...
Chang, Shilu, Liang, Yi, Su, Chao
core   +1 more source

Capacity Configuration of Hybrid Energy Storage Power Stations Participating in Power Grid Frequency Modulation

open access: yesProcesses, 2023
To leverage the efficacy of different types of energy storage in improving the frequency of the power grid in the frequency regulation of the power system, we scrutinized the capacity allocation of hybrid energy storage power stations when participating ...
Hongtu Zhang   +5 more
semanticscholar   +1 more source

Capacity Configuration of Hybrid Energy Storage System for Fuel Cell Vessel Based on Multi-Verse Optimizer–Variational Mode Decomposition Crossover Allocation Algorithm

open access: yesEnergies
The hybrid energy storage system (HESS) significantly improves the dynamic response and energy utilization efficiency of the propulsion system in fuel cell vessels while maintaining the stability of the power grid.
Xiuyuan Liu, Jingang Han
doaj   +1 more source

Capacity of SIMO and MISO Phase-Noise Channels with Common/Separate Oscillators

open access: yes, 2015
In multiple antenna systems, phase noise due to instabilities of the radio-frequency (RF) oscillators, acts differently depending on whether the RF circuitries connected to each antenna are driven by separate (independent) local oscillators (SLO) or by a
Durisi, Giuseppe   +2 more
core   +1 more source

Optimal sizing of hybrid energy storage system under multiple typical conditions of sources and loads

open access: yesInternational Journal of Sustainable Energy
Hybrid energy storage system (HESS) can support integrated energy system (IES) under multiple time scales. To address the diversity of new energy sources and loads, a multi-objective configuration frame for HESS is proposed under comprehensive source ...
Changling Li, Xinyan Zhang
doaj   +1 more source

Optimal Allocation Method of Source and Storage Capacity of PV-Hydrogen Zero Carbon Emission Microgrid Considering the Usage Cost of Energy Storage Equipment

open access: yesEnergies, 2022
Aiming to meet the low-carbon demands of power generation in the process of carbon peaking and carbon neutralization, this paper proposes an optimal PV-hydrogen zero carbon emission microgrid.
Hongshan Zhao   +4 more
doaj   +1 more source

A hybrid algorithm (BAPSO) for capacity configuration optimization in a distributed solar PV based microgrid

open access: yesEnergy Reports, 2021
This paper proposes a hybrid algorithm for capacity configuration optimization of a solar PV-battery-based micro-grid. The hybrid algorithm (BAPSO), which is a combination of Particle Swarm Optimization (PSO) and Bat Algorithm (BA), is designed to ...
Ahmad Almadhor   +4 more
semanticscholar   +1 more source

On an extremal configuration for capacity

open access: yesArkiv för Matematik, 1989
One main result concerns a set \(E\) on the unit circle consisting of a fixed number \(n\) of arcs with total length \(L\). Let \(E^*\) be the set whose arcs have equal length \(L/n\) and are symmetrically distributed around the circle. Then \[ \hbox{cap} E\leq\hbox{cap} E^*=\{\sin L/4\}^{1/n}.
openaire   +2 more sources

A Two-Stage Site Selection and Capacity Determination Method for Energy Storage Power Stations Based on HC-MOPSO

open access: yesZhongguo dianli
A planning method for energy storage stations based on Hierarchical Clustering (HC) and Multi Objective Particle Swarm Optimization (MOPSO) is proposed to address the difficulty of balancing the coupling effects of active power and node voltage in large ...
Wangwang BAI   +4 more
doaj   +1 more source

Learning by random walks in the weight space of the Ising perceptron

open access: yes, 2010
Several variants of a stochastic local search process for constructing the synaptic weights of an Ising perceptron are studied. In this process, binary patterns are sequentially presented to the Ising perceptron and are then learned as the synaptic ...
Huang, Haiping, Zhou, Haijun
core   +1 more source

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