نتایج جستجو برای: decentralized frequency restoration

تعداد نتایج: 551303  

Journal: :مجله دانشگاه علوم پزشکی شهید صدوقی یزد 0
محمداسماعیل مطلق ma motlagh . [email protected] محمدرضا رهبر mr rahbar محمدجواد کبیر mj kabir

decentralization is the process of dispersing decision-making closer to the point of peripheral area, service or action. basically decentralized governance, if properly planned and implemented, offers important opportunities for enhanced human development. the studies about this issue in different countries show that most of the decentralizations have been implemented in european countries and ...

2015
G. Anand Vjaya Santhi Rama Sudha

This paper proposes Fuzzy Quasi Decentralized Functional Observers (FQDFO) for Load Frequency Control of inter-connected power systems. From the literature, it is well noticed about the need of Functional Observers (FO’s) for power system applications. In past, conventional Functional Observers are used. Later, these conventional Functional Observers are replaced with Quasi Decentralized Functi...

2015
R. Hanuma Naik D. V. Ashok Kumar K. S. R. Anjaneyulu

Abstract—Several of the practical industrial control processes are multivariable processes. Due to the relation amid the variables (interaction), delay in the loops, it is very intricate to design a controller directly for these processes. So first, the interaction of the variables is analyzed using Relative Normalized Gain Array (RNGA), which considers the time constant, static gain and delay ...

2011
Davide Barcelli Alberto Bemporad

This paper proposes a decentralized hierarchical multi-rate control scheme for large-scale dynamically-coupled linear systems subject to linear constraints on input and state variables. At the lower level, a set of decentralized and independent linear controllers stabilizes the process, without taking care of the constraints. Each controller receives reference signals from its own upper-level c...

Journal: :jentashapir journal of health research 0
faezeh abolghasemzade department of operative dentistry, faculty of dentistry, babol university of medical sciences, babol, ir iran homayon alaghehmand dental material research center, department of operative dentistry, faculty of dentistry, babol university of medical sciences, babol, ir iran reza judi dental material research center, department of operative dentistry, faculty of dentistry, babol university of medical sciences, babol, ir iran; dental material research center, department of operative dentistry, faculty of dentistry, babol university of medical sciences, babol, ir iran. tel: +98-9354699621, fax: +98-1132291093

conclusions the most common cause of restoration replacement in patients referred to the babol university of dentistry during years 2013 and 2014 was secondary caries that were found in class ii restorations. patients and methods age, sex, type of occlusion, dmf, existing parafunction, type of tooth, class and reason of composite restoration replacement was recorded for patients who had referre...

2009
Mohammad A. Kanso Michael G. Rabbat

Radio Frequency (RF) tomography refers to the process of inferring information about an environment by capturing and analyzing RF signals transmitted between nodes in a wireless sensor network. In the case where few available measurements are available, the inference techniques applied in previous work may not be feasible. Under certain assumptions, compressed sensing techniques can accurately ...

2003
M. H. Kazemi

Abstract Load Frequency Control (LFC) has received considerable attention during last decades. This paper proposes a new method for designing decentralized interaction estimators for interconnected large-scale systems and utilizes it to multi-area power systems. For each local area, a local estimator is designed to estimate the interactions of this area using only the local output measurements....

Journal: :Automatica 2000
Yi Guo David J. Hill Youyi Wang

This paper describes an application of nonlinear decentralized robust control (Guo, Jiang & Hill, 1998) to large-scale power systems. Decentralized power controllers are designed explicitly to maintain transient stable closed-loop systems. For the "rst time, nonlinear bounds of generator interconnections are used which achieves less-conservative control gains. The proposed controllers are robus...

2009
Andrew G. Klein Weichao Wang

In this thesis, a transmission frequency rendezvous approach for secondary users deployed in decentralized dynamic spectrum access networks is proposed. Frequency rendezvous is a critical step in bootstrapping a wireless network that does not possess centralized control. Current techniques for enabling frequency rendezvous in decentralized dynamic spectrum access networks either require pre-exi...

2007
Weilin Hou Deric Gray Alan D. Weidemann

dThe presented effort is aimed at establishing a the blurring caused by strong scattering due to water and its framework in order to restore underwater imagery to the best constituents which includes various sized particles. To properly possible level, working with both simulated and field measured address this issue, knowledge of in-water optical properties and data. Under this framework, the ...

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