Browsing by Author "Das, Avijit"

Now showing items 21-28 of 28

    • Positive train control, command and communication 

      Mahfuz, Masharul Bin; Hossain, MD. Shakhawat (BRAC Univeristy, 2017)
      Proposal of Positive Train Control, Command and Communication for Bangladesh Railway is envisioned to prevent railway hazards with the usage of Obstacle detection at level crossings, monitor locations and activities of ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • Transient anode voltage modeling of IGBT and its carrier lifetime dependence 

      Das, Avijit; Islam, Nazmul; Haq, Masud Ul; Khan, Ziaurrahman (© 2015 IEEE, 2015-11)
      This work presents a minority carrier lifetime estimation technique through investigation into transient anode voltage modeling of Non-punch Through (NPT) Insulated Gate Bipolar Transistor (IGBT). Parabolic approximation ...

    • 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 ...

    • 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 ...