Results 31 to 40 of about 27,823 (165)

A Generalization of the Beta-Distribution [PDF]

open access: yesThe Annals of Mathematical Statistics, 1959
A class of distributions is defined and studied which includes as particular cases (cf. Section 13) the ordinary $\beta$-distribution, the (univariate) triangular distribution, the uniform distribution over any nondegenerate simplex, and a continuous range of other distributions over such a simplex, called basic $\beta$-distributions (Section 6) and ...
openaire   +3 more sources

A Generalization of the Gamma Distribution [PDF]

open access: yesThe Annals of Mathematical Statistics, 1962
This paper concerns a generalization of the gamma distribution, the specific form being suggested by Liouville's extension to Dirichlet's integral formula [3]. In this form it also may be regarded as a special case of a function introduced by L. Amoroso [1] and R. d'Addario [2] in analyzing the distribution of economic income.
openaire   +2 more sources

Profitability Analysis of Battery Energy Storage in Energy and Balancing Markets: A Case Study in the Greek Market

open access: yesEnergies
Despite the massive increase of renewable energy generation in Greece, large-scale battery energy storage systems (BESS) are yet to be integrated in the Greek electricity market.
Giannis T. Giannakopoulos   +3 more
doaj   +1 more source

Anti-islanding and Distributed Generation System

open access: yesU.Porto Journal of Engineering, 2015
This paper proposes an anti-islanding control for a grid connected distributed generation system. The proposed control is based on d-q frame. The scheme using current command reference as positive feedback is utilized to drift the PCC voltage beyond the ...
Meraj Alam
doaj   +1 more source

Environmental and energy issues in biodiesel production using palm oil from the interspecific hybrid OxG and Elaeis guineensis: a case study in Colombia☆

open access: yesOilseeds and fats, crops and lipids
In Colombia, in the last decade, the interspecific hybrid cultivar OxG, generated by a cross between American palm and African palm, has increased due to its tolerance to bud rot caused by Phytophthora palmivora.
Mogollon Diego Ignacio Nieto   +8 more
doaj   +1 more source

Distributed generation plants multi-agent controlling system

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
Microscopical processes of nuclear spin lattice relaxation in polydispersion ferroelectrics based on differential equation in fractional operationals are investigated. Direct bound between indexis of polydispersion and fractal dimension are established.
R. SH. Lotfullin   +2 more
doaj   +3 more sources

Real-Time Simulation Technique of a Microgrid Model for DER Penetration

open access: yesEAI Endorsed Transactions on Energy Web, 2014
Comprehensive analysis of Distributed Energy Resources (DER) integration requires tools that provide computational power and flexibility. In this context, throughout this paper PHIL simulations are performed to emulate the energy management system of a ...
Konstantina Mentesidi   +2 more
doaj   +1 more source

A general setting for symmetric distributions and their relationship to general distributions

open access: yesJournal of Multivariate Analysis, 2016
A standard method of obtaining non-symmetrical distributions is that of modulating symmetrical distributions by multiplying the densities by a perturbation factor. This has been considered mainly for central symmetry of a Euclidean space in the origin. This paper enlarges the concept of modulation to the general setting of symmetry under the action of ...
P.E. Jupp, G. Regoli, A. Azzalini
openaire   +4 more sources

On the distribution of the power generator [PDF]

open access: yesMathematics of Computation, 2000
We present a new method to study the power generator of pseudorandom numbers modulo a Blum integermm. This includes as special cases the RSA generator and the Blum–Blum–Shub generator. We prove the uniform distribution of these, provided that the periodt≥m3/4+δt\ge m^{3/4 + \delta }with fixedδ>0\delta > 0and, under the same condition, the uniform
Igor E. Shparlinski, John B. Friedlander
openaire   +1 more source

Efficiency Improvement in a Crude Oil Heating Furnace Based on Linear Regulation Control Strategies

open access: yesEnergies
This paper presents research results to improve energy efficiency in one of the crude oil heating furnaces at the “Hermanos Díaz” refinery in Santiago de Cuba, Cuba.
Francisco Jacas-Portuondo   +5 more
doaj   +1 more source

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