Browsing by Author "Das, Avijit"

Now showing items 1-20 of 28

    • Advanced electronic security and safety system using artificial intelligence 

      Jalal, S. M. Shuharto; Mahamud, Md. Sajid (BRAC University, 2016)
      Beholding the current situation of our country, lack of security and safety is a major issue with increasing crime rapidly where miscreants take advantage of the traditional vulnerable security system. This system can ...

    • Analysis of surface plasmon resonance biosensors for protein detection 

      Faruque, Abdullah Al; Maoya, Jannatul; Bisher, Kazi Diganta (BRAC University, 2016-12-14)
      The Surface Plasmon Resonance (SPR) biosensor method has emerged as a very flexible and powerful approach for detecting a wide diversity of bio-molecular interactions. This Surface Plasmon Resonance (SPR) for boisensoring ...

    • Application of image processing in traffic control system & license plate detection 

      Islam, Aminul; Ahmed, Nafiz; Hasnain, Toaha; Tabassum, Iffat (BRAC Univeristy, 2017-08)
      A license plate detect system is one type of intelligent transportation system. It is a type of technology in which the software enables computer system to read automatically the license number plate of vehicle from ...

    • Bimetallic Au-Ag nanorod dimers as plasmonic biosensors 

      Rahman, Md Ahnaf; Hossain, Aishik; Hossain, Mohammed Shadman (BRAC University, 2017-08)
      Abstract Fano resonance, discovered by Italian-American physicist Ugo Fano, is a general wave phenomenon and is seen throughout many areas of engineering and physics. It is a kind of resonant scattering occurrence that ...

    • Design and implementation of solar heater system 

      Redowan, Mesbah; Sami, Tasnim Muntasir; Islam, Aynul (BRAC University, 2016)
      Overly populated and developing countries, such as our country Bangladesh is facing energy resources scarcity over the last few decades. Specially, the rural areas in Bangladesh which covers at least 50 % of our land suffers ...

    • Design of a solar charge controller for solar photovoltaic system 

      Md. Hasib, Abu Nayem; Aurin, Saila Siddique; Tushty, Moury Ahmed; Rahman, Mostafa Abdur (BRAC University, 2016-08-13)
      A photovoltaic system is a power system designed to supply usable solar power by means of photovoltaic. Now-a-days it is vastly used to reduce the dependency on traditional power sources. In this thesis, a modified ...

    • Design of an arduino based Maximum Power Point Tracking (MPPT) solar charge controller 

      Dutta, Ananya; Barua, Niloy; Saha, Aninda (BRAC University, 2016-08-16)
      Renewable sources such as the Photovoltaic Systems (PV) have been used over decades in order to focus on greener sources of power generation. Today it has become a matter of concern on how to reduce COST and improve ...

    • Digital pen with keyboard functionality 

      Raju, Yadil Alam; Rimon, Rakib Hassan; Mehedi, Md.Mohiuddin (BRAC University, 2017-08-20)
      Proposal for building a wireless digital pen, which can work like a keyboard but more elegantly with the help of gyro sensor and C++ program be used for writing in classrooms, conferences, at presentation or anywhere. This ...

    • An extended model for a punch through (PT) insulated gate bipolar transistor (IGBT) and its transient characteristics 

      Saif, Omar; Pavel, Md. Fazle Rabbi; Hasan, Md. Akib; Shah, Asif (BRAC University, 2017-08-20)
      The IGBT (Insulated gate bipolar transistor) is driven by MOSFET and has been modeled as a wide-base bipolar junction transistor (BJT). In our thesis we are proposing to make a new physical-base model for a punch though ...

    • Feasibility analysis of urban solar system and a proposition of renovated design in context of Bangladesh 

      karim, Saadman; Islam, S.M. Rahin; Sumon, Md. Shariful Islam; Kazim, Rida Al (BRAC University, 2016-08)
      Daily headlines make everyone aware of the dangerous long-term effects of power generation from the fossil fuels. It is widely believed that continuing to depend on fossil fuels to generate electricity can cause serious ...

    • Grid connected hybrid solar system with MPPT charge controller 

      Islam, Azfarul; Protity, Saraf Wamia; Azam, Asif (BRAC University, 2016-08-16)
      The main work of our thesis is based on a charge controller that tracks the maximum power from the solar panel. This is done with the help of an algorithm (Perturb & Observe) and send that power to our respective load. The ...

    • Investigation into IGBT transient characteristics and calculation of switching power loss 

      Hasan, Rifatul; Mustary, Sharmin; Bristy, Nigar Sultana (BRAC University, 2016-04-19)
      In many power converter applications, analysis of switching power loss of IGBT is considered desirable. In our thesis, the switching behavior is analyzed through investigation into transient anode voltage modeling of ...

    • Investigation of gold nanorod monomer biosensors for label free molecule detection 

      Hasan, Rakib; Rabbi, Fazle (BRAC University, 2016-12-14)
      Plasmon resonances have attracted a lot of recent research interest for their potential applications, including bio-sensing, sub-wavelength optics, negative refractive index metamaterials and their ability to produce ...

    • Localized surface plasmon resonance based bowtie nanoantenna for optical biodetection 

      Kalam, Fateen Bin; Biswas, Sushmita; Shakib, Fatema (BRAC University, 2017-08)
      Local Surface Plasmon Resonance is now considered one of the most promising topics due to its various applications in optics, photo catalysis, medicine and photovoltaics. Among these, Plasmonic nanoantennas have attracted ...

    • Localized surface plasmon resonance based nanocube-nanosphere dimer biosensor 

      Ahmed, Arik Rafiquddin (BRAC University, 2017-06)
      For this paper, the Localized Surface Plasmon Resonance (LSPR) properties of bimetallic nanoparticles in the shape of a nanocube-nanosphere and consisting of Drude metals was analysed. The refractive index based plasmonic ...

    • Localized surface plasmon resonance in bimetallic core-shell nanoparticles 

      Rahman, Syeda Adiba Mirzana; Chowdhury, Ishmam Salim; Siddha, Simanta; Hasan, Md. Mahmudul (BRAC University, 2016-12)
      Colloidal nanoparticles have unique Localized Surface Plasmon Resonance (LSPR) properties. Various applications for LSPRs are in optics, photo catalysis, medicine and photovoltaics. For our research, we use the Mie Theory ...

    • Localized surface plasmon resonance on nano cube- nano sphere dimer 

      Hasan, Md. Mehedi; Rahman, Ofsora; Shama, Tasfia Tabassum (BRAC Univeristy, 2017)
      Colloidal nanoparticles have unique Localized Surface Plasmon Resonance (LSPR) properties. Various applications for LSPRs are in optics, photo catalysis, medicine and photovoltaic. For our research, we use the Maxwell ...

    • Over and under voltage protection for three phase system using GSM module 

      Ahmed, Nasif (BRAC University, 2017-12)
      For upgrading system efficiency automation is needed .besides for reliability and quality of electric service depends on automation nowadays .Automation is not only for upgrading the quality of a system it also reduces ...

    • Over and under voltage protection using GSM module 

      Sajid, Rohan Zaman; Khan, Mehedi Rahman; Ahmad, Saquif (BRAC University, 2017)
      Automation in the distribution field permits utilities on actualize all the adaptable control for distribution systems, which can be used to upgrade efficiency, reliability, quality of electric service. Automation not only ...

    • Portable non-invasive cardiac health monitoring device 

      Rahman, Akhlakur; Jahangir, Tameem; Khaled, Kazi Omar (BRAC University, 2017-08-20)
      Recent technological advancements have accelerated public healthcare sector by developing biomedical devices with advanced functionalities. New innovations have made it possible for the consumers to use portable devices ...