Now showing items 1-15 of 15

    • Band structure study of graphene and transition metal dichalcogenides heterostructures 

      Ahmed, Saif; Ahmed, Nafisa Nowshin; Nur, Juhayer An (BRAC University, 2017)
      According to Moore’s Law, it is predicted that the number of transistors –the building blocks of any modern electronic device– on integrated circuits per square inch will double every year. However studies show that the ...
    • Chondrobot-2: A simple and efficient semi-autonomous tele-robotic lunar excavator 

      Rhaman, Md. Khalilur; Hossain, Md. Jonayet; Anik, Kazi Mohammad Razin; Oyon, Mahmudul Hasan; Nabia, Sarah Binte Nasir; Rahi, Nabil Shaker; Khan, Bonny Amin; Miran, Md. Mashiur Rahman; Bhuian, Belal Hossain; Rahman, Md. Mosaddequr (© 2012 IEEE, 2012)
      A simple, light-weight and efficient excavation system to excavate and collect lunar regolith has been developed at BRAC university. The excavation system has a dimension of 1.21m × 0.66m × 0.74m with a total weight of 65 ...
    • A comparative study and performance analysis of poly and mono Si photovoltaic modules 

      Islam, Mohaimenul (Brac University, 2019-08)
      Interest on generating power from photovoltaic (PV) system is increasing day by day. This study investigates the performance of commercially available poly and mono Si photovoltaic (PV) modules under different temperature ...
    • 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 ...
    • Dynamic analysis of intelligent load frequency control of interconnected nonlinear conventional and renewable power system 

      Mondal, Rajib (BRAC University, 2018-05)
      In this thesis, a variable structure concept sliding mode based load frequency control is developed on a two-area interconnected power system. The power system contains reheat, and hydraulic turbines which are distributed ...
    • 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 ...
    • Infrared thermography based defect analysis of photovoltaic modules using machine learning 

      Mobin, Ovib Hassan; Tajwar, Tahmid; Khan, Fariha Reza; Hossain, Shara Fatema (Brac University, 2020-10)
      Solar photovoltaic (PV) has gained much attention throughout the world for clean energy production. Faults in the PV modules cause the reduction of the amount of the electricity gain from the PV systems. Detecting faults ...
    • Infrared thermography based performance analysis of photovoltaic modules 

      Amin, Moyukh; Hasan, Galib; Ahmed, Isfar; Dewan, Sukanya (Brac University, 2019-04)
      Interest on generating power from photovoltaic (PV) system is increasing day by day. Power generation from such systems is affected by some factors that can be detected in early stage through proper monitoring. Infrared ...
    • Microcontroller based multilevel sun tracking solar PV system 

      Patwary, Munia; Moniruzzaman, H.M.; Zaman, Sharmin; Jui, Christin Nabonita Halder (BRAC University, 2012-09)
      Electricity generation has now become a mammoth task for a country like Bangladesh while development is directly proportional to energy production. It is also posing a great threat to our climate. Moreover, country like ...
    • Microcontroller based power pilferage detection system 

      Islam, Md. Rezwanul; Ahmed, Sadita; Das, Subrata Kumar; Alam, Tanveer Md. Faisal (BRAC University, 2014-08)
      Power distribution loss costs our country a major amount in annual revenues. This is because distribution of electricity involves significant technical as well as non-technical losses. There are ways to calculate and fix ...
    • Optimization of a solar powered water pump for crop irrigation 

      Shafiq, Nahian; Navall, Nafisa; Shoshi, Sanjida; Rahman, Afnan Rudabe (BRAC University, 2017-08)
      The main aim of this thesis is to design a solar powered water pump that can provide water for irrigation without the use of batteries or generators. We have designed the system such that necessary power can be obtained ...
    • Outdoor performance study of Poly and Mono Crystalline Photovoltaic Modules under varying environmental conditions 

      Tanjil, Md. Abu Syed; Haque, Md. Mojakkirul; Saad, Injamamul Huda (Brac University, 2019-08)
      This study investigates the environmental impact on poly Si and mono Si Photovoltaic module in outdoor condition from the month of May to June 2019 in Dhaka, Bangladesh. Two solar modules with the same characteristics have ...
    • Performance analysis of bifacial PV module based multilevel solar panel system for urban areas 

      Anjum, Akib (Brac University, 2019-12)
      The objective of this work is to carry out a performance analysis of bifacial module based multilevel solar panel systems. The proposed system will occupy less space and harness more solar energy than the existing ...
    • A simple tele-robotic lunar excavator 

      Rhaman, Md. Khalilur; Hasan, Shiblee Imtiaz; Hossain, Md. Jonayet; Anik, Kazi Mohammad Razin; Oyon, Mahmudul Hasan; Bhuian, Belal Hossain; Rahman, Md. Mosaddequr (© 2012 IEEE, 2013)
      An excavation tele-robotic system is developed to excavate and collect lunar regolith. The excavator has been developed by the team BRACU ChondroBot consisting students from BRAC University for NASA's 2nd Annual Lunabotics ...
    • Square diaphragm CMUT capacitance calculation using a new deflection shape function 

      Rahman, Md. Mosaddequr; Chowdhury, Sazzadur Tanvir Ur Rahman (© 2011 Hindawi Publishing Corporation, 2011)
      A new highly accurate closed-form capacitance calculation model has been developed to calculate the capacitance of capacitive micromachined ultrasonic transducers (CMUTs) built with square diaphragms. The model has been ...