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Dissertations/Theses - Department of Electrical and Electronic Engineering: Recent submissions

Now showing items 161-180 of 775

Investigation of input switched three phase AC-DC converter topologies

Amina Hasan Abedin (Department of Electrical and Electronic Engineering (EEE), 2016-07)

New topologies of three phase controlled converters are introduced for AC-DC conversion with high performance. Single phase diode rectifiers normally use DC-DC conversion between rectifier block and the load for power ...
Development of a single phase multilevel voltage source inverter FED from multiple capacitive isolated DC sources

Rubiya Binta Mustafiz (Department of Electrical and Electronic Engineering (EEE), 2016-09)

The aim of this thesis is to develop a single phase multilevel voltage source inverter fed by multiple capacitive isolated DC source. The multiple sources have been generated from a single DC source using capacitor isolated ...
Robust strain estimation and bi-modal ultrasonic feature extraction methods for improved diagnosis of breast tumors

Sharmin Rowshan Ara (Department of Electrical and Electronic Engineering (EEE), 2016-12)

Early detection of breast cancer as well as classi¯cation of breast tumors into benign- malignant and/or BI-RADS ·3, 4, 5 through a noninvasive imaging modality is of prime importance all over the world since the rate ...
Development of a CSMA mac protocol and throughput analysis for mu-mimo WLAN

Sarker, Manobendu (Department of Electrical and Electronic Engineering (EEE), 2017-01)

With the proliferation of wireless devices as well as high bandwidth consuming ap- plications, wireless local area networks (WLANs) has not only turned into the most popular form of wireless communication but also increased ...
Investigation of a diode-capacitor assisted single-phase power factor corrected boost-buck AC-DC converter

Jannatul ferdous, Md. (Department of Electrical and Electronic Engineering (EEE), 2017-01)

Single phase active input power factor corrected and input current improved rectifiers use switching either between the rectifier and the load or between the supply and the rectifier. Voltage and current feedback control ...
Detection and classification of multiclass epileptic seizures exploiting EMD-wavelet analysis of EEG signals

Robiul Hossain Md. Rafi (Department of Electrical and Electronic Engineering (EEE), 2016-07)

Epileptic seizure is often interpreted by the abnormalities in the brain activity and Electroencephalogram (EEG) is a promising tool for identification of Epileptic seizure. Signal processing methods try to modei visual ...
Paratransit service quality prediction and user attribute ranking using neural network and fuzzy approach

Banik, Rajib (Department of Civil Engineering (CE), 2016-10)

In megacities of developing countries, the need for mobility is increasing in synchronization with the growth of the cities themselves. Conversely, mobility and accessibility are decreasing hastily and it is most severe ...
Investigation of transition metal dichalcogenide monolayer channel ion sensitive fet as ph and biomolecule sensors

Ehsanur Rahman (Department of Electrical and Electronic Engineering (EEE), 2016-09)

Early and rapid detection of biomarkers indicative of various diseases has been an intensive field of research for past few decades. A wide variety of biosensing devices that employ nanoparticles or nanostructures have ...
Generator reactive power reserve management to prevent voltage collapse in Bangladesh power system

Mustafizur Rahman, ATM (Department of Electrical and Electronic Engineering (EEE), 2016-05)

Voltage stability has become a major concern in power system (PS) planning and operation and deals with power system adequacy and security. Highly stressed PS’ are being operated more often longer and closer to voltage ...
Analysis of bimetallic nanorod dimer biosensors for label-free molecule detection

Das, Avijit (Department of Electrical and Electronic Engineering (EEE), 2016-08)

A bimetallic nanorod dimer biosensor based on localized surface plasmon resonance (LSPR) has been proposed in this thesis. Larger absorption and stronger electric eld coupling have been achieved when a gold (Au) core ...
Method of human identification using ECG signals based on features extracted frrom wavelet and curvelet domains

Rummana Bari (Department of Electrical and Electronic Engineering (EEE), 2012-07)

Prevention of forged identities via human identification is crucial for any authentication system. Electrocardiogram (ECG) is the graphical representation of the heart surface potential as a function of time. ECG is an ...
Analytical modeling of channel potential and threshold voltage of triple material gate AlgaN/Gan hemt and study of its self-heating effect

Tashfiq Bin Kashem, Md. (Department of Electrical and Electronic Engineering (EEE), 2016-08)

AlGaN/GaN based high electron mobility transistors (HEMTs) are rapidly progressing towards becoming prime candidate for high power, high frequency and high temperature electronics applications and the reason is having ...
MoS2/MX2/MoS2 trilayer TMDC field effect transistor based potentiometric nanobiosensors

Abir Shadman (Department of Electrical and Electronic Engineering (EEE), 2016-08)

The ability to detect biomolecules and chemicals accurately, effectively, and promptly in variety of environments including applications in homeland security, clinical diagnoses, environmental monitoring, food safety, ...
Electronic properties and transistor applications of MoS2/MX2/Mos2 trilayer heterostructures

Datta, Kanak (Department of Electrical and Electronic Engineering (EEE), 2016-08)

In recent years, a lot of scienti c research e ort has been put forth for the investigation of Transition Metal Dichalcogenides (TMDC) and other Two Dimensional (2D) materials like Graphene, Boron Nitride. Theoretical ...
Fabrication and characterization of thin film solar cell using earth abundant elements

Wahidur Rahman, Mohammad (Department of Electrical and Electronic Engineering (EEE), 2016-08)

Current thin-film solar cell technologies based on CuInxGa1-xSe2 (CIGS) and CdTe photo-absorber materials use rare and expensive elements, such as In, Te, Ga, and toxic Cd which severely limit the mass production and ...
Physics based 2-D analytical model of triple material double gate tunnel field effect transistor

Samia Safa (Department of Electrical and Electronic Engineering (EEE), 2016-04)

Tunnel FETs are attractive new devices for low-power applications due to their low off-current and their potential for a small subthreshold swing. In this work, analytical models of potential, electric field, drain current ...
Investigation of single phase switch mode sepic PFC rectifiers

Khurshidi Haque Dia, Kazi (Department of Electrical and Electronic Engineering (EEE), 2016-05)

Single phase diode rectifiers are widely used in industrial, commercial, utility and domesticapplications.Manyinputwaveshapingmethodshavebeenproposedtosolvethep roblem ofpoorpowerfactorwhichcanbeclassifiedasactiveandpa ...
Design and analysis of efficient and tunable plasmonic lasers with directional radiation

Zabir Ahmed (Department of Electrical and Electronic Engineering (EEE), 2016-04)

In this work, we propose room-temperature plasmonic crystal based nanolaser with low divergence emission. Usually, performance of nanolasers based on plasmonic crystal nanocavity is a ected by a couple of issues: coupling ...
Development of an analytical model of a simultaneous AC-DC power transmission system

Tawhidul Alam, Mohammad (Department of Electrical and Electronic Engineering (EEE), 2016-06)

In high voltage long transmission line the power flow is much lower than its thermal limit due to the constraints related to stability and corona discharge. However, in case of simultaneous AC-DC transmission system the ...
Design and economic analysis of PV-biogas-diesel generator hybrid system for ST. Martin's island

Ashraf Anwer Hossain (Department of Electrical and Electronic Engineering (EEE), 2015-12)

Off grid hybrid power system is an attractive method to supply electricity to rural areas, especially for communities living far away from the main grid, where grid extension is not possible. In this project report, a ...

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