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Browsing M.Sc. Engg. by Issue Date

Browsing M.Sc. Engg. by Issue Date

Now showing items 1-20 of 68

Study of Artificial Neural Network and Observer-Based High Performance Induction Motor Drives

Rafiq, Md. Abdur (Bangladesh Institute of Technology (BIT), Khulna, Bangladesh., 2001-03)

The main subject matter of this dissertation is to study the performance of artificial neural network and observer based high performance induction motor drive. Four suitable flux observers compatible with drive control ...
A Study on Sectionalizing and Coordination of Protective Devices and Voltage Drop Compensation of Rural Distribution System

Das, Santosh Kumar (Bangladesh Institute of Technology (BIT), Khulna, Bangladesh., 2002-05)

Methodologies are presented in this thesis to study the coordination among the protective devices and voltage drops at different points of a radial distribution system. Maximum and Minimum values of currents due to ...
Analysis of Electromagnetic Transient Program (EMTP) of Lightning Surge of a Vertical Conductor and its Invasion to a Control Building

Rahman, Md. Mostafizur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-06)

The lightning surge characteristics of transmission line components as well as the statistical data of lightning such as the ground flash density and the stroke peak current distributions are very essential for analyzing ...
A New Approach to Grow High Quality Bulk lnxGa1-xAs Crystal by Multi-component Zone Melting Method

Rahman, Mohammad Shaifur (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2005-12)

An analytical study has been carried out to grow high-quality bulk InGaAs crystals by the two-step multi-component zone melting (MCZM) method. Characterization of bulk InGaAs crystal grown by the two-step MCZM method ...
Electromagnetic Field Analysis of Lightning Return Stroke Current

Hossain, Md. Faruque (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2006-02)

Accurate knowledge of the characteristics of lightning electromagnetic fields is needed for studying the effects of the potentially deleterious coupling of lightning fields to various circuits and systems, for achieving ...
Design of High Efficiency lnxGa1-xN-Based Multi-Junction Solar Cells

Islam, Md. Rafiqul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2006-11)

Photovoltaic (PV) power generation is becoming widespread as a clean and gentle energy source for the earth. The main drawback of currently used photovoltaic cell is its low conversion efficiency and materials with the ...
Design of a Novel Electromagnetic Bandgap Structure Assisted Phased Array Antenna

Nahid, Elora (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2008-08)

With the emergence of novel wireless technologies, the demands for larger bandwidth, high efficiency and high capacity RF and microwave devices have been growing tremendously. Electromagnetic bandgap structures (EBGSs) ...
InN-Based Heterojunction Field Effect Transistor

Islam, Md. Sherajul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2009-09)

As a promising candidate for future high speed devices InN-based heterojunction held effect transistor (HFET) has gained a lot of attention in recent years. I lowever. InN-based devices are still a less studied compared ...
Modeling and Performance Analysis of GaSb-Based Mid-infrared Vertical Cavity Surface Emitting Laser

Hasan, Md. Mahbub (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2010-05)

Strain-dependent and crystal orientation-dependent optical properties and output optical power-input current characteristics are numerically studied for GalnSb/GalnAlSb mid-infrared quantum well vertical cavity surface ...
Formulation and Experimental Verification of Distance vs RSSI for Localization in Wireless Sensor Network

Alam, Md. Dewan Perves (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2010-11)

Wireless Sensor Networks (WSN) is getting interest for its remarkable application in different sectors like in defense for target tracking, monitoring environmental and animal activities, medical treatment etc. In WSN ...
Chaos in Back Propagation Neural Networks and its Control

Khan, Md. Fazle Elahi (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2010-11)

It is interesting to determine the states of the neural network (NN) when it falls into chaos. This is because chaos has been found in biological brain. This paper investigates the several chaotic behaviors of supervised ...
Implementation of Microcontroller Based Asymmetric Three-Level Single-Phase Inverter

Karim, Abdulla Ibna (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2010-12)

Switching-mode single-phase DC-AC inverters have been widely used in many applications such as AC motor drivers and uninterrupted power supply systems. Among various control techniques, microcontroller based control is ...
Improvement of BER Performance of DS-OCDMA in Dispersive Fiber Medium

Islam, Md. Jahedul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-03)

Among the dispersion mechanisms fiber group velocity dispersion (GVD) and polarization mode dispersion (PMD) are the key limiting factors for high-speed, long length and highperformance fiber optic communications, ...
Analysis and Visualization of Tissue-motion of Cranial Ultrasonogram Image Sequences for Newborn Babies

Islam, Muhammad Muinul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-05)

Cranial ultrasound scans are very essential part of the routine investigation of neonatal intensive care. The scan ultrasound image sequence are not only used for real-time diagnosis but also recorded as moving images ...
Human Action Recognition from Variable Silhouette Energy Images

Parvin, Irine (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-06)

Recognizing human actions is an important issue in the computer vision community. Human action recognition becomes more challenging when variability areas such as, anthropometric variation, phase variation, speed variation, ...
Design and Performance Analysis of a High-Speed Network Processor

Islam, Md. Jahidul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2011-08)

Network processor is the key architecture of the recent communication technology. Most of the high performance network equipments especially routers, switches and traffic management systems are designed with network ...
Theoretical Performance Analysis of InN-Based Double Channel High Electron Mobility Transistors (DHEMTs)

Kaysir, Md. Rejvi (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-01)

In recent years. it has been predicted that InN-based High Electron Mobility Transistors (HEMTs) may be record fast among 111-Nitride transistors due to their highly attracting inherent properties. Though the InN-based ...
Modeling and Performance Analysis of 1.55 µm Quantum Well Edge Emitting Laser Based on InGaN

Islam, Md. Jahirul (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-01)

The advent of research work for longer wavelength 1.55 µm lasers, InGaN advances fast due to its compatible band gap energy and excellent properties. These lasers are well-suited and ideally matched with the existing ...
Quantum Evolutionary Algorithm Based High Performance Control of Induction Motor Drive Using ANN Flux Estimator

Hahibullab, Md. (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-05)

In this study, Quantum Evolutionary Algorithm (QEA) based high performance control of induction motor is proposed, whose rotor flux is estimated by chaotic learning based Artificial Neural Network (ANN). The control ...
Position Sensorless Control of 4S3P Inverter Fed PMSM Drive Based on Artificial Neural Network

Halder, Kalyan Kumar (Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh., 2012-05)

A position sensorless Permanent Magnet Synchronous Motor (PMSM) drive based on single layer Recurrent Neural Network (RNN) is presented in this research work. In the proposed control methodology, instead of a usual ...

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