Now showing items 341-360 of 572

    • Multilayer Security System 

      Rahman, Jabel; Al-Amin, Mohammad; Saha, Surojit (BRAC University, 2016-04)
      The main goal of this paper is to design and implement a multilayer security system, which can be used in bank, secured offices and homes. The system is based on RFID, Keypad and a fingerprint scanner technology containing ...
    • Temperature dependence of the transient characteristics in NPT IGBT using linear and parabolic model 

      Tania, Shoulin; Saha, Dipraj; Faiza, Fahmida (BRAC University, 2016-12-14)
      To be considered as an efficient assistant, power semiconductor devices are being used in many power converter applications and technologies, particularly with high variable loads. In this regard, monitoring temperature ...
    • 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 ...
    • Design and development of a wearable health monitoring system for elderly people 

      Mehad, Shakkharatul Haque; Islam, Showmik; Rahman, Mashfiqur; Khan, Naziur Rahman (BRAC University, 2016-12-12)
      Bangladesh is presently experiencing a demographic move and the extent of the populace of the age 60 years and more is drastically increasing. The elderly population of Bangladesh is currently 7.7 percent of the whole ...
    • Development and implementation of a battery and solar powered DC compressor based cold storage for off grid rural areas ensuring food security 

      Iqbal, Anika; Faruq, Mohi Uddin; Chowdhury, Sayem; Srijan, Mehdi Hasan (BRAC University, 2016)
      Preserving perishable goods as soon as they are harvested is the main concern for the farmers in the rural areas of Bangladesh for lack of cold storage facilities and absence of electricity supply. To supply ample facilities ...
    • Electronic toll collection system using RFID technology 

      Rahman, Kazi Jubidur; Hasan, Mustafa Mahmud; Ahmed, Nowshin; Zaman, Rawshan (BRAC University, 2016)
      In this thesis we will discuss RFID based Smart Toll Collection System as a solution to solve the traffic problems and also to maintain transparency of the toll collection system. Our aim is to make a digital toll collection ...
    • Digital pen with multi-purpose mouse functionality 

      Mizi, Md. Shofiqul Azad; Ahmed, Sadman; Khan, Irtiza Yamin; Islam, Md. Saiful (BRAC University, 2016-12-14)
      Proposal for building a wireless digital pen, which can work like a computer mouse, but more elegantly with the help of image processing (on MATLAB). This pen can be used for writing, painting in classrooms, conferences, ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Simulation based electrostatic study of different multigate quantumwell field effect transistors by changing the gate oxide thickness and metal work function 

      Afsin, Muntasirul Haque; Kabir, Shahriar; Siddiqui, Aminul Haque (BRAC University, 2016)
      This paper analyses the C-V characteristics by altering the gate oxide thickness and metal workfunction used in the gate of non-planer, multi-gate InGaAs channel Quantum Well Field-Effect Transistor (QWFET). In this paper, ...
    • Performing sentiment analysis in Bangla microblog posts 

      Chowdhury, Shaika; Chowdhury, Wasifa (© 2014 IEEE Computer Society, 2014)
      Much of the research work on sentiment analysis has been carried out in the English language, but work in Bangla is limited to only news corpus and blogs. Microblogging sites are becoming a valuable source for publishing ...
    • Automated intruder detection from image sequences using minimum volume sets 

      Ahmed, Tarem; Wei, Xianglin; Ahmed, Supriyo Sabbir; Pathan, Al-Sakib Khan (© 2012 International Journal of Communication Networks and Information Security, 2012)
      We propose a new algorithm based on machine learning techniques for automatic intruder detection in visual surveillance networks. The proposed algorithm is theoretically founded on the concept of Minimum Volume Sets. Through ...
    • Bandstru cture observation of graphene nanoribb on and boron-nitride nanoribbon embedded graphene nanoribbon 

      Haque, Fatin Farhan; Duity, Rimi Reza; Authoi, Syed Shamsia Tanzin (BRAC University, 2016-04)
      Due to distinctive electronic properties and potential future application in tunable bandgap opening, Graphene Nanoribbon (GNR) has apprehended strong attention. Boron Nitride Nanoribbons (BNNR) exhibit analogous structure. ...
    • Transient anode voltage modeling of IGBT and its base doping profile investigation 

      Das, Avijit; Md Ziaur Rahman, Khan (© 2015 Institute of Electrical and Electronics Engineers Inc., 2015-12)
      In many power converter applications, study of doping concentration in the carrier storage region of IGBT is considered desirable. This paper introduces an estimation technique for base doping concentration through ...
    • Photovoltaic performance of P3HT:CNT:PCBM based bilayer solar cell 

      Islam, MD. Tahmidul; Mondal, Saurav Kumar (BRAC University, 2016-04)
      Organicbilayer solarcells have the potential to replace silicon based solar cell devices due to its low cost fabrication cost and high mechanical flexibility. However, despite possessing such remarkable properties their ...
    • Capacity increasing of a cellular network using multibeam antenna 

      Hoque, Ifthakharul (BRAC University, 2016-07)
      Today’s mobile subscribers have a voracious appetite for data. As smartphones flood the wireless market, the demand for higher data throughput continues to skyrocket. As a result, operators are searching for simple, ...
    • Dynamic power management by reinforcement learning 

      Hossain, Safayet; Ibn-Ismail, Muhammad Adnan (BRAC University, 2016)
      Optimization in design and utilization of both hardware and software is needed in order to achieve more energy efficient systems. In this paper we presented a Reinforcement learning based DPM approaches for our LAN card ...
    • Multi images retrieved for automatic intruder detection using kernel-based learning algorithm 

      Shahrear, S.M Fardin; Karim, Kazi Lamiyah Daraksha; Muntaha, Rakibun; Anika, Afra (BRAC University, 2016-08)
      Over the course of the last few decades, security systems have undergone radical overhauls and have transitioned into such sophisticated devices that some even completely overcome any form of human interventions. In ...