Search
Now showing items 1-10 of 24
Graphene based surface Plasmon polariton for plasmonic waveguide and devices
(Brac University, 2020-09)
2D graphene was first discovered in 2004 and then it has gained admiration within scientific
community due to its extraordinary electrical, mechanical, chemical and optical property. In
this study, first we investigated ...
Infrared thermography based defect analysis of photovoltaic modules using machine learning
(Brac University, 2020-10)
Solar photovoltaic (PV) has gained much attention throughout the world for clean energy production. Faults in the PV modules cause the reduction of the amount of the electricity gain from the PV systems. Detecting faults ...
Comparative analysis of different PWM techniques on three-phase voltage source inverter fed induction motor drive
(Brac University, 2020-11)
The demand for the induction motor is ever-growing day by day because of its robustness, high efficiency, and low cost over other motors. With the increasing demand for speed control of induction motor, a necessity arises ...
Efficient approach for reliability evaluation of distribution system considering momentary interruption
(Brac University, 2020-06)
The purpose of an electric power system is to provide electricity to its customers with acceptable
levels of reliability at the lowest possible cost. In this thesis, we propose an efficient method for
power distribution ...
Agricultural analysis and crop yield prediction of Habiganj using multispectral bands of satellite imagery with machine learning
(Brac University, 2020-09)
Bangladesh is predominately an agriculture-based country, which faces uncertain crop yields and inefficient farming infrastructure resulting in adverse effect in food security. Habiganj is selected as the study area because ...
Optimized distributed generation planning for radial distribution system using particle swarm optimization algorithm
(Brac University, 2020)
Electrical generation and storage by a range of small grid-connected or distribution systemconnected devices known as distributed energy resources is distributed generation. This paper
presents the determination of the ...
A low-cost sensor based smart and efficient health monitoring system for elderly people using internet of things
(Brac University, 2020-10)
A smart and connected healthcare system is one of the most popular applications enabled by the
Internet of Things (IoT). It is possible to get a rich informative indication of our physical health
using networked sensors ...
Comparison of thresholding techniques for extraction of electrical hotspots from infrared images
(Brac University, 2020-10)
The objective of this study is to evaluate the performance of different thresholding techniques to extract the hotspot of electrical equipment’s through IRT imaging. Abnormal thermal pattern is showed by faulty electrical ...
Implementation of IoT based smart classroom: Room occupancy estimation, automatic seat allocation and environment monitoring
(Brac University, 2020-04)
IoT or Internet of Things was a term coined by Kevin Ashton in 1999. It is used to describe a system where different physical and digital devices are connected together and can communicate via the internet. The main goal ...
Development and study of 28 GHz antenna for different shapes and work on antenna transparency for cellular devices
(Brac University, 2020)
In this paper antenna concept is especially presented for future wireless communication devices (smartphones) to achieve spherical beam steering coverage. It also describes a feasibility study performed on antennas made ...