Iranian Journal of Science and Technology Transactions of Electrical Engineering
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ارسال های اخیر
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Two-level fuzzy control of large-scale systems and its application into PSS design
(Shiraz University, 2003-02-01)This paper proposes a two-level suboptimal control using fuzzy prediction to control large-scale systems. A class of large-scale linear systems composed of interconnected subsystems is investigated. The overall control ...
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Time domain characterization of the microwave PIN diode driven by high speed digital data
(Shiraz University, 2003-02-01)An accurate model to characterise a PIN diode as a variable resistor driven by high speed digital data and RF pump signals is presented. The model extracts the electron density function resulting from these signal drives. ...
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IUSTA, a prioritized multicast ATM switch: design and performance evaluation
(Shiraz University, 2003-02-01)In this paper, a new approach has been introduced for the design of an ATM switching system. IUSTA (Iran University of Science & Technology ATM switch) is proposed as ATM switch architecture based on a knockout principle ...
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Optimal control of unified power flow controller (UPFC) to enhance power system transient stability
(Shiraz University, 2003-02-01)This paper investigates the feasibility of a unified power flow controller (UPFC) to improve power system transient stability. Based on the developed model, the impact of control strategy, parameters, and location of UPFC ...
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Using reconstructed induction currents for solving the inverse scattering problem
(Shiraz University, 2003-02-01)In this article, after reviewing of the inverse source and inverse scattering problems, two quantetive and qualitative (a new method) of solving the inverse scattering problem using reconstructed induction currents are studied.
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Computer simulation of vector controlled slip-energy recovery induction machine drives
(Shiraz University, 2003-02-01)This paper describes the vector control of a high capacity power slip-energy recovery induction machine drive below and above the synchronous speed. Using an x and y rotating reference frame with an x-axis coincides with ...
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Design of active suspension control using singular perturbation theory
(Shiraz University, 2003-02-01)The presence of fast and slow modes in vehicle suspension systems based on a half car model, is utilized in the design of active suspension control using singular perturbation theory. This strategy is based on the slow-fast ...
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Optimal pulse shapes for periodic reverse electroplating
(Shiraz University, 2003-02-01)In this report, time-dependent carrier concentration in electrolytic cells, due to some basic periodic shapes of excitation signal, has been studied. Exact analytical solutions for step, sinusoidal and periodic pulse reverse ...
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Transient analysis of switched reluctance motors
(Shiraz University, 2003-02-01)The prediction methods for steady-state performance of switched reluctance motors (SRMs) have been in place for some time; however, little attention has been paid to the transient analysis of the machine. This paper reports ...
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A novel approach to broken bar detection in induction motor via wavelet transformation
(Shiraz University, 2003-02-01)This paper presents a novel approach for the detection of broken rotor bars in induction motors based on the wavelet transformation. A multi-resolution signal decomposition based on wavelet transform or wavelet packet ...
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Design of power system stabilizers based on robust control theory
(Shiraz University, 2003-02-01)This paper describes the design of robust power system stabilizers (PSS) for a single generator tie line (SGTL) power system. Unlike the conventional PSS design based on a single system operating point, the proposed method ...
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Application of unified power flow controller (UPFC) for damping torsional oscillations
(Shiraz University, 2003-02-01)This paper investigates the feasibility of application of a unified power flow controller (UPFC) to damp subsynchronous resonance in a power system. The basic dynamic characteristics of the UPFC and its parameters impact ...
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A proposed fuzzy RDBMS and its test results on an osteoporosis patient database
(Shiraz University, 2003-02-01)The new trend in database design is to store both crisp and inexact data, and have the possibility of fuzzy querying in both crisp and fuzzy databases. Traditional databases use only crisp data and they are only capable ...
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A new method for communication system recognition
(Shiraz University, 2006-01-01)Communication system recognition can be used in some civilian and military applications. The recognition of the system is done by inspecting the received signal properties like modulation type, carrier frequency, baud rate ...
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Application of charge simulation method to electric field calculation in the power cables
(Shiraz University, 2006-01-01)Determination of the electric field in insulated cable will lead to an optimum design and a better selection of both conductor size and insulation thickness. A simple numerical method using the Charge Simulation Method ...
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A modified reaching phase sliding mode controller for a speed sensorless inducting motor drive using feedback linearization theory
(Shiraz University, 2003-02-01)A speed sensorless induction motor drive (IMD) with a modified reaching phase sliding mode controller is introduced. The rotor flux is estimated first, with a simplified rotor flux observer in the rotor reference frame and ...
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Position control of three-phase induction motors using sliding mode control strategy and its implementation
(Shiraz University, 2003-02-01)Speed control of induction motors has been the focus of attention in previous last decades, but controlling the position of rotor of induction motors has received little attention. In induction motors, the rotor voltage ...
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CMI: a method to configure Corba remote calls in support of FT- Corba fault-detection mechanisms
(Shiraz University, 2006-01-01)Collocated CORBA objects that reside in the same address space can benefit from special local calls which can be performed without ORB intervention. This type of invocation can be particularly beneficial to fault detection ...
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Transmission loss allocation in a multilateral open access power system
(Shiraz University, 2006-01-01)This paper addresses a new concept for determining the loss quota of any transaction and any participant entity in a multilateral open access power system. This new concept, which is based on the incremental transmission ...
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Strategic bidding with regard to demand elasticity
(Shiraz University, 2006-01-01)This paper presents a new method to analyze the bidding strategies of Generating Companies (GENCOs) with regard to demand elasticity. It is assumed that the available information of each GENCO about its opponents is ...
