نتایج جستجو برای: computer control system

تعداد نتایج: 3587225  

One of the major challenges in standalone micro-grids (MG), is the frequency control. In this paper, a method for frequency control in a hybrid system based on wind turbine / photovoltaic / fuel cell and super capacitor is proposed. The proposed method is a combination of load frequency control and super capacitor voltage control. To determine the references power, PI controller and modified dr...

Alireza Kamali Asl Hamid Jafari Majid Shahreyari Seyed Mahdi Safavi,

Introduction: Radiation imaging is one of the applicable methods in diagnostic medicine and nondestructive testing for industrial applications. In nondestructive 3D imaging, in addition to the radiation source, there is a requirement for a suitable detection system, data acquisition system, mechanical sections for moving objects, reconstruction algorithm and finally a computer for processing an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هنر - دانشکده معماری و هنر 1387

چکیده ندارد.

One of the important issues in designing a brain-computer interface system is to select the type of mental activity to be imagined. In some of these systems, mental activity varies with user intent and action that must be controlled by the brain-computer system, and in a number of other signals, the received signals contain the same activity-related mental activity that should be performed by t...

this research explores the manipulation of biomedical big data and diseases detection using automated computing mechanisms. As efficient and cost effective way to discover disease and drug is important for a society so computer aided automated system is a must. This paper aims to understand the importance of computer aided automated system among the people. The analysis result from collected da...

Journal: :the modares journal of electrical engineering 2005
mehdi siahi hossein soghrati

this paper introduces an indirect adaptive fuzzy sliding mode controller as a power system stabilizer for damping local and inter-area modes of oscillations of multi-machine power systems. this controller is designed based on the combination of sliding mode controller and the fuzzy logic systems. the fuzzy systems are used to approximate the unknown functions of power system model. generator sp...

Journal: :iranian journal of medical physics 0
seyed mahdi safavi m.sc. in nuclear engineering, faculty of nuclear engineering, shahid beheshti university, tehran, iran. hamid jafari m.sc. in nuclear engineering, faculty of nuclear engineering, shahid beheshti university, tehran, iran. alireza kamali asl assistant professor of radiation medical engineering., shahid beheshti university, tehran, iran. majid shahreyari professor, nuclear engineering dept, shahid beheshti university, tehran, iran.

introduction: radiation imaging is one of the applicable methods in diagnostic medicine and nondestructive testing for industrial applications. in nondestructive 3d imaging, in addition to the radiation source, there is a requirement for a suitable detection system, data acquisition system, mechanical sections for moving objects, reconstruction algorithm and finally a computer for processing an...

Computer aided design and computer aided modeling tools are becoming increasingly important in the design and performance evaluation of communication systems. In this work, we report on the computer simulation modeling study of terrestrial digital microwave radio transmission, using Block Oriented System Simulator package (BOSS). The work concentrates on semi-analytical error rate evaluation in...

Journal: :journal of electrical and computer engineering innovations 0
hamed chenarani department of electrical and electronic engineering, shiraz university of technology, shiraz, iran. tahereh binazadeh department of electrical and electronic engineering, shiraz university of technology, shiraz, iran.

this paper presents some analyses about the robust practical stability of a class of nonlinear affine systems in the presence of non-vanishing perturbations based on the passivity concept. the given analyses confirm the robust passivity property of the perturbed nonlinear systems in a certain region. moreover, robust control laws are designed to guarantee the practical stability of the perturbe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده مهندسی برق و کامپیوتر 1388

چکیده ندارد.

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