نتایج جستجو برای: stochastic operation time

تعداد نتایج: 2137531  

S.S Hashemin

In this paper a network comprising alternative branching nodes with probabilistic outcomes is considered. In other words, network nodes are probabilistic with exclusive-or receiver and exclusive-or emitter. First, an analytical approach is proposed to simplify the structure of network. Then, it is assumed that the duration of activities is positive trapezoidal fuzzy number (TFN). This paper com...

1998
Wei Zhao Raghuveer M. Rao

In this paper we present a novel model for purely discretetime self-similar processes and scale-invariant systems. The results developed are based on a new interpretation of the discrete-time scaling (equivalently dilation or contraction) operation which is defined through a mapping between discrete and continuous time. It is shown that it is possible to have continuous scaling factors through ...

Journal: :iranian journal of fuzzy systems 2011
jinliang liu zhou gu hua han songlin hu

a memory control for t-s fuzzy discrete-time systems with sto- chastic input delay is proposed in this paper. dierent from the common assumptions on the time delay in the existing literatures, it is assumed in this paper that the delays vary randomly and satisfy some probabilistic dis- tribution. a new state space model of the discrete-time t-s fuzzy system is derived by introducing some stocha...

Journal: :Journal of Water Resource and Protection 2012

This paper deals with day-ahead programming under uncertainties in microgrids (MGs). A two-stage stochastic programming with the fixed recourse approach was adopted. The studied MG was considered in the grid-connected mode with the capability of power exchange with the upstream network. Uncertain electricity market prices, unpredictable load demand, and uncertain wind and solar power values, du...

Journal: :the international journal of humanities 2014
mahdi bashiri aida omidvar reza tavakkoli-moghaddam

the hub location decision is a long term investment and any changes in it take considerable time and money. in real situations, some parameters are uncertain hence, deterministic models cannot be more efficient. the ability of two-stage stochastic programming is to make a long-term decision by considering effects of it in short term decisions simultaneously. in the two-stage stochastic programm...

Journal: :آب و خاک 0
سمیه پوربخشیان محمدرضا مجدزاده طباطبائی سید سعید موسوی ندوشنی شهرام منصوری

abstract morphological river models are designed to provide physical insight into the morphological response and to assist river engineers and managers in the design, operation and maintenance of river systems. here deterministic modeling weak for a dynamic and stochastic of nature river environment. specially, these could not predict the exact shape of the river bed, specially e.g. for braided...

Journal: :Elektrotechnik und Informationstechnik 2008
B. Klöckl G. Papaefthymiou Pierre Pinson

Stochastic energy flows are an increasingly important phenomenon in today ́s power system planning and operation. They are – among other reasons – caused by large amounts of stochastic generation such as wind. The inclusion of energy storage devices, distributed in future systems (distributed energy storage DES), is continuously being mentioned as a possibility to alleviate some of the problems ...

Uwe R¨osler,

We give an overview of the running time analysis of the random divide-and-conquer algorithm FIND or QUICKSELECT. The results concern moments, distribution of FIND’s running time, the limiting distribution, a stochastic bound and the key: a stochastic fixed point equation.

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