Now showing items 301-320 of 572

    • Autonomous tractor to plough and harvest within a laser perimeter 

      Ekram, S.M.A.; Kader, Md. Mobin; Shahera, Fatema tuz; Shirmin, Nusrat (BRAC Univeristy, 2017-08)
      The world as we know is rapidly changing, the world population is ever growing and with this increased population growth the never ending need for food is also growing like never before. But on the contrary, our careers ...
    • Real time heart rate estimation from severely corrupted PPG signal by motion artifact 

      Imtiaz, Mohammad Masuk; Tina, Tahmina Ahmed (BRAC University, 2017-08)
      Heart rate is a very important cardio logical data. It is considered to be one of the most important vital sign of a human body. Real time heart rate monitoring provides a great advantage over many aspects. PPG is a low ...
    • 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 ...
    • Cost effective solar study lamp And solar home solution for non-critical application 

      Islam, Tousiful; Hasan, Mohammad Mehedi; Shaikat, Injamamul Haque; Ahad, Shekh Abdul (BRAC University, 2017-08-20)
      Over half a billion children is suffering from lack of adequate lighting and they rely on dim, smoky, and dangerous kerosene-based lighting for their evening studies. This paper is on how we can provide our rural students ...
    • Study of LSPR characteristics of nano bi-pyramid as metals, transition metal nitrides and transparent conducting oxides for bio-molecule detection 

      Rashid, Md. Hasinur; Ahmed, Syed Sanjid; Haider, Kazi Miraz Al (BRAC University, 2017-08-20)
      The Localized Surface Plasmon Resonance (LSPR) occurs when the electrons in the nanoparticles interact with incident electromagnetic field. The potential to develop highly sensitive and specific sensors for biological ...
    • Design & economic analysis of a solar powered water pumping system for crop irrigation 

      Joynal, Jafrin Binte; Raka, Nuzhat Tabassum; Mithu, Hosaifa Mohon (BRAC Univeristy, 2017-08)
      Agricultural technology is changing rapidly. Farming machinery, products are constantly being improved. Studies show that, PV systems in agriculture are the best solutions to the remote areas agricultural need. Solar ...
    • State space modeling of a BUCK converter and designing a controller 

      Ahmed, Shaik Raju; Noor, Nusrat Jahan; Mostafa, Sumaiya (BRAC Univeristy, 2017)
      Modeling is the mathematical representation of a circuit. For mathematical representation knowledge of state space modeling or state space representation is required. For state space representation, it is necessary to ...
    • Applications, synthesis and characterization of gold nano particles 

      Islam, Zareef Al; Mondal, Shuvo; Islam, Md. Inzamamul (BRAC Univeristy, 2017-08)
      In the Nano scale, gold exists in different shapes and sizes and behaves very differently from its bulk. From 1-100nm in size the gold nanoparticles exhibit an array of different size and shape related properties. These ...
    • Simultaneous localization and mapping (SLAM) with an autonomous robot 

      Khan, Md. Shadnan Azwad; Chowdhury, Shoumik Sharar; Niloy, Nafis Rafat; Aurin, Fatema Tuz Zohra (2017)
      Simultaneous localization and mapping (SLAM) is a problem in which an autonomous robot is required to initiate in an unknown location within an unknown map and incrementally build a map of its environment while also using ...
    • Real time monitoring and controlled power distribution system with SMART meter to support smart grid 

      Nayem, Md. Motiour Rahman; Mahmud, Fakhrul Islam; Rahman, Ashiq-Ur; Jahan, Tanver (BRAC Univeristy, 2017)
      In order to introduce the smart grid system in Bangladesh, Smart Meter can be the first step to make a change in conventional Billing and metering system. Smart meter is a device that is based on two way communication ...
    • CZTS based solar cells: design & performance analysis 

      Rahaman, Md. Mamunur; Chowdhury, Arbab; Waky, Syed Irshan (BRAC Univeristy, 2017)
      In recent year’s climate change and renewable energy resources were put into the limelight to a greater extend. The main limitations of fossil fuels are that they are a finite resource and release CO2, a greenhouse gas ...
    • 3-Dimensional mapping of underwater surface for navigation using underwater ultrasonic piezoelectric transducer 

      Hossain, Navan Tanjeem; Khan, Rahat Mahmood; Rahman, Saifur (BRAC Univeristy, 2017)
      In the era of modern technology, even today, the underwater surface perception and mapping is still a much vague subject. Many approaches have been carried out following the topic. In a third world country, like Bangladesh, ...
    • Non-conventional thermoelectric generation potential in Bangladesh 

      Chowdhury, Ishmam Ahmed; Islam, Shadman Sakib; Hussain, Mufazzol; Hasnat, Ismam Bin (BRAC Univeristy, 2017)
      Non-Conventional thermoelectric generation includes electricity generation from the heat salvaged from engines exhaust, municipal solid wastes based power generation, stirling engine in solar thermal power generation, ...
    • Solar electrification using intelligent energy management system 

      Asad, Abu Mohammad; Prova, Sohani Mehzabin; Mehnaz, Anika (BRAC Univeristy, 2017)
      Load-shedding is one of the biggest crises in Bangladesh today. Current energy management system calls for reliability and reduction between power supply and demand gaps. Though a huge development is being made in Smart ...
    • 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 ...
    • Solar powered automated atmospheric water generator using peltier device 

      Islam, Raihan; Musajjee, Abu Saleh; Ullah, S M Habib; Siddique, Iffatul bushra (BRAC Univeristy, 2017)
      There is a saying, “water has only two aspects; when mixed with anything it’s NEED, and when not it’s LIFE”. Sometimes the terrible water scarcity in tropical countries like Bangladesh reminds us this quote immensely. ...
    • Smart power security system 

      Haque, Md. Enzamul; Jony, Imrul Azam; Ali, Mir Shadman; Islam, Md. Toriqul (BRAC Univeristy, 2017)
      Digital Bangladesh is still lacking of electricity. Electricity is the major source of power for most of the country's economic activities. So to decrease the power losses our team come up with a solution by planning to ...
    • Tunable fano resonance in Al-Ag plasmonic nanorod 

      Khan, Nafi; Haque, Rownak Nowrin; Ali, Lubaba Mashiat; Jahan, Rifat (BRAC Univeristy, 2017-04)
      Colloidal nanoparticles have unique Localized Surface Plasmon Resonance (LSPR) properties. There are various applications for LSPR in optics, photo catalysis and photovoltaic. Recently LSPR has been critically acclaimed ...
    • Real time clocked based multilevel solar system 

      Ahsan, Rubayet; Jani, Rafsan; Roy, Sukanta; Habib, Fariha (BRAC Univeristy, 2017-04)
      Solar energy has been considered as a feasible source of renewable energy over the past few decades as it has been and is still being used to power up our industrial and domestic applications and gain desired national ...
    • Transient switch-on collector current analysis in punch-through IGBT 

      Islam, Md. Akhirul; Hossain, MD. Nazmul; Altab, M. Mubaswir; Bhowmik, Tonmoy (BRAC Univeristy, 2017)
      Analysis of switching power loss of IGBT is considered desirable. In our thesis, the switch on behavior is analyzed through investigation into transient anode collector current of Punch Through (PT) Insulated Gate Bipolar ...