Now showing items 401-420 of 517

    • Humidity sensor using surface adsorbed channel modulated GrapheneNanoribbon : NEGF approach 

      Shakil, Shifur Rahman; Fatema Tuz Zohra; Pramanik, Parna; Tushar, Raihanul Islam (BRAC University, 2014-08)
      Flexible, highly sensitive and low cost humidity sensors are highly enviable in future generation sensor technology. As a result of recent year’s research conducted concerning the applicability in gas and humidity sensors, ...
    • Designing a radio frequency controlled biomimetic flying bird 

      Adnan, Nahid Hasan; Alam, Mohammad Talha Talkin (BRAC University, 2014-08)
      The present world has been reached to a stage where most of the sophisticated and sensitive tasks are mostly done by artificial hands. Drones, robots have been replaced the place of human with their uncompromised accuracy ...
    • Performance analysis of a MIMO optical wireless link with space time block code (STBC) 

      Islam, Md. Zahirul (BRAC University, 2014-08)
      Performance analysis has been carried out for a space time block coded multiple input multiple output (MIMO) optical wireless link considering atmospheric turbulence. The diversity reception in the receiving has been carried ...
    • Fiber to the Antenna : a closer look at benefits and issues in integrated optical and wireless networks 

      Haque, Fahimul; Chowdhury, Sheri Jahan; Ahsan, Sheikh Shazeed; Rahman, Md. Zamiur (BRAC University, 2014-08-28)
      With the fast-growing technology in the communication industry, demand for speed and mobility of the data exchange throughout the world is accelerating in an incredible rate. To meet such demand a need for the integration ...
    • Comparison of the performance of ballistic schottky barrier graphene nanoribbon FET 

      Ahmed, Sheikh Ziauddin; Shawkat, Mashiyat Sumaiya; Chowdhury, Md. Iramul Hoque (BRAC University, 2014-09)
      Silicon has been the primary material of choice to meet current needs of the electronics industry. The advancement in technology has led to a growing demand for smaller devices with improved performance. However, silicon ...
    • Performance and evaluation of microcontroller based multilevel sun tracking solar photo voltaic system 

      Ahmed, Tania; Ashraf, Syeda Eshita; Tamanna, Masrura (BRAC University, 2014-08)
      Solar energy systems have emerged as a viable source of renewable energy over the past two or three decades, and are now widely used for a variety of industrial and domestic applications. Such systems are based on a solar ...
    • Development of Carbon Monoxide detecting device using MQ-7 sensor along with its statistical analysis 

      Ferdousi, Jahan Ara; Ananto, Samiul Ehsan; Ahmed, Md. Naveed (BRAC University, 2014-08)
      We are in the 21st century, and nowadays many of us are concerned about our surroundings and environment. Ever since the industrial evolution the greenhouse gases level increased. So does the concentration of carbon monoxide ...
    • I-bin : the intelligent and entertaining bin 

      Noor, Nolok; Haq, Mohammad Wasiul (BRAC University, 2014-08)
      The object of this project is to develop a program on android device to control a robot to collect discarded material using human voice and can detect hindrance. In this recent time, android device as a user and as developer ...
    • Smart remote sensing weather station 

      Numan, Abdullah- Al-; Islam, Md. Imranul; Hossain, Md. Amzad; Hasan, Md. Rakibul (BRAC University, 2014-04-30)
      In this era of global warming getting the latest weather forecast and take necessary pre -caution has become a big issue all over the world. In the context of carbon emission and Greenhouse effect Bangladesh as a coastal ...
    • System design of a two wheeler self balanced vehicle 

      Rumi, Sheikh Mohibul Islam; Islam, I.S.M. Shanamul; Hossain, Mehdi Fakid (BRAC University, 2014-04-30)
      The project is about the designing of a two wheeler self balanced car. The two wheeler vehicle would be able to balance itself and can be stabilized against any impact and in zero velocity as well. We used two heavy rotating ...
    • Smart irrigation and soil component test 

      Bhowmik, Tushar; Ahmed, Nafiz; Hassan, Emonul; Mamun, Abdullah Al (BRAC University, 2014-04-29)
      The aim of the projects to make an embedded system which will provide all the necessary information needed for the production of various crops in an efficient way making the whole process automatic, cost effective , eco ...
    • Development of a laboratory model to demonstrate load management in a smart grid 

      Azim, Syeda Mayesha; Shahidi, Salwa; Tarannum, Rehenuma; Tahora, Sharaban (BRAC University, 2014-04)
      Vital to the evolution of a modern civilization is uninterrupted supply of electricity. However, in a resource constrained utility the large gap between demand and generation entails load shed i.e. tripping a feeder from ...
    • Development of an electromagnetic vibrational energy harvesting system 

      Nizam, Rafquat; Ehsan, Md. Labib; Khan, Aurin; Khan, Raiyan (BRAC University, 2014-04-30)
      The project proposes to develop a power generation system that can harness the mechanical vibration from ambient electromagnetic energy. The system employs an electromagnetic transducer which is able to convert the vibration ...
    • Dynamic electrical model of sealed lead-acid battery for EV simulation 

      Tariq, Rayyan; Sabbir, Sabiun; Azad, Sadia Afrin B. (BRAC University, 2014-04)
      In recent times, Bangladesh is advancing towards Electric Vehicle system; popularly known as the EV system and one of its most prominent application we see these days are the motor operated rickshaws. Although the motors ...
    • Solar car 

      Khan, Tarik M. Abdullah; Rahman, Srea; Afgani, Monzurul Karim; Fahim, Khairul Eahsun (BRAC University, 2014-05-04)
      One of the front runners in the area of renewable energy resources today is solar power. Photovoltaic cells are used to convert solar energy in to useful electrical energy. The objective of this paper is to construct an ...
    • Automated fire extinguishing system with GSM alarm 

      Shams, Rafat; Ahmed, Shafkat; Priyom, Shaoni; Fatema, Nusrat (BRAC University, 2014)
      This paper demonstrates the requirements, specifications, design problems and solutions for the fire extinguishing system project fulfilling the requirements. Fire fighting is an important and hazardous job. A fire fighter ...
    • Performance analysis of OFDM-MIMO for transmitting medical image 

      Bintu, Shah Tabassum; Akter, Shila; Nahar, Sabikun (BRAC University, 2013-12-24)
      In this project the impact of OFDM-MIMO combiner system using block codes and interleaver with FEC encoder and STTC code on RGB image in JPEG format has been investigated the performance of MIMO over orthogonal frequency ...
    • Energy conservation of Electric Hybrid Rickshaw with PV support 

      Haque, Shadman Shabaab; Sabrina, Hoque; Sabnin, Sanam; Zahid, Shah Omer (BRAC University, 2013-12)
      In Bangladesh, The most used mode of public transportation is the rickshaw. This Is because of its itinerary, time flexibility and door--‐to--‐door services. Since, Considerable fraction of population in Bangladesh uses ...
    • Intelligent classroom management system 

      Islam, Md. Nahal; Tabassum, Farah; Sarker, Gourab Kumar; Sen, Dhrubashish (BRAC University, 2013-12)
      Modern day class rooms are equipped with electronic devices that have supporting software to improve and facilitate teaching methods. However, it is often seen that significant class time is wasted on taking attendance, ...
    • Design and optimization of vision based light control system for smart departmental store 

      Sen, Shuvashish (BRAC University, 2013-12)
      In our thesis work we explore the various possibilities of enhancing user comfort and operational cost of smart departmental store providing several range of method for maximum utilization of resources. We present a ...