نتایج جستجو برای: electrical system control

تعداد نتایج: 3392027  

2012
M. Kamaraju

Now a days, the usage of electronic appliances is increasing. In the offices, employees left their rooms without switching off the electrical appliances. So the power wastage increases. This power wastage can be reduced by making an intelligent system, which can control the electrical appliances automatically based on the requirement. The whole system is implemented and tested on FPGA.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1380

در این رساله به روش تحلیلی، طراحی کنترل کننده تطبیقی به کمک شبکه های عصبی برای سیستمهای ابعاد وسیع نامتمرکز دارای زیر سیستمهای غیر خطی غیر فاین با درجه نسبی کامل انجام شده است. طراحی کنترل کننده به کونه ای است که پایداری زیر سیستمهای حلقه بسته، کل سیستم و همگرایی خطای بین هر زیر سیستم و مدل مرجع آن به سمت صفر، تضمین می شود.رویکرد این رساله به شبکه های عصبی، رویکرد جدیدی است که در چند سال اخیر ب...

Journal: :تحقیقات نوین در برق 0
عبدالمجید جعفرخادم abdolmajid jafarkhadem افشین لشکر آرا afshin lashkar ara

abstract: nowadays due to developing the information technology, buildings are equipped to this technology in order to reduce energy consumption and make more convenient for inhabitants. the popularity of smart home has been increasing greatly in recent years due to much higher affordability and simplicity through android smartphone connectivity. this paper prepares a review of smart home and h...

2015
Merin Susan Soji

Electrical Capacitance Tomography is a non intruding technique used in industries. It is based on measuring the capacitance of multi-electrode ECT sensor produced by the change in dielectricity or due to change in concentration of material. With the use of computed values, a cross sectional image of the material placed in the dielectric medium is obtained. ECT system can be used in chemical fie...

2011
SERGIU CARAMAN MARIAN BARBU VIOREL MÎNZU NICOLAE BADEA Sergiu Caraman

The autonomous energetic system is for a residential building and it has as primary sources exclusively renewable resources (biomass and solar energy). For obtaining electrical energy, photovoltaic sources and a Stirling engine are used. They operate simultaneously in 1:3 ratio – electrical/thermal energy. Solar collectors and a pellet boiler are used to cover the necessary of thermal energy. T...

2014
M. L. Corradini

This paper focuses on the so-called sensorless speed-tracking control for permanent magnet synchronous motors. A control strategy is proposed allowing to extract rotor position using electrical signals and an observer of electrical variables, and to guarantee the robust asymptotical tracking of a reference speed without measuring rotor velocity and position. Bounded parameter variations are sup...

Background and purpose: Microbial electro-Fenton system as a novel technology can be employed in removal of resistant organic pollutants along with generation of renewable electrical energy through the activity of anaerobic microorganisms. This study aimed at investigating the performance of this process in treatment of synthetic wastewater containing tetracycline and generation of electricity ...

Jalal Rostami Monfared Mehdi Fazeli, Yaser Lotfi,

In this article, a speed control of DC motor is designed and illustrated using fuzzy logic-based programmable logic controller (PLC). The DC motor is an attractive part of electrical equipment in many industrial applications requiring variable speed and load specifications due to its ease of controllability. The designed system is consisted of three main parts including programmable logic contr...

2008
James Marco

Contained within this paper is a discussion into the modelling and control of the electrical architecture for a HEV. Two configurations of electrical architecture are discussed; a system in which the bus voltage is allowed to vary during vehicle acceleration and regenerative braking and secondly, a fixed bus voltage system in which the voltage is held constant by the inclusion of a bi-direction...

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