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Recently vehicle tracking system is getting vast popularity because of the rising number of the stolen vehicles. Vehicle theft is happening on parking and sometimes driving in unsecured places. This research work explores how to avoid this kind of stealing and provides more security to the vehicles. The implemented system contains single-board embedded system which is equipped with global system for...
Energy consumption is growing rapidly day by day since the development is directly proportional to the use of electricity. The conventional sources of energy are diminishing in response of huge energy consumption. So, the burning question is to explore new non-conventional sources of energy to meet the enormous demand. Solar energy is considered as potential source of alternative energy to build up...
Thyristors are mostly used power electronics device and implemented in various motor control appliances because of its lower cost, smaller size, lower losses of power, market availability and greater switching characteristics. In this research work, the speed of three phase induction motor is precisely controlled by using anti-parallel back to back connected thyristors in the stator side and stator...
The demand of energy is growing rapidly in response of the development of the world. The crucial solution of large amount of energy is to harvest alternative source of energy. Sustainable development can be possible by harvesting solar energy as it is smoke free, clean and environment friendly. For low cost, non-toxic and earth abundant feature, CZTS solar cell is very prominent to generate solar...
In modern civilization, the solar energy as renewable energy is chosen for the generation of the clean and green energy which is very reliable in response of sustainable development. The SnS is a binary semiconductor compound which has very favourable optoelectronic properties for lost cost thin film solar cell. Therefore, the researchers have great attention to investigate the ultra-thin SnS solar...
CdTe is recognized as leading solar cell for having the feature of low cost, high efficiency and better cell stability. The BSF strategy below the absorber layer of CdTe solar cell showed the possibility of higher power conversion efficiency. In this research work, Copper Telluride (Cu2Te) BSF is used to explore the hidden potentiality of CdTe solar cell at ultra-thin level. It was investigated that...
Security is a major concern in our day-to-day life since it can prevent intentional or unintentional interference in human life with the proper operation of security system. In this project based research work, two set of piezoelectric transducer (PZT) are used. When anybody stands on PZT (I), the buzzer indicates the problem detection and LED light shows the problem occurring place. The buzzer and...
Speech impaired people are detached from the mainstream society due to the lacking of proper communication aid. Sign language is the primary means of communication for them which normal people do not understand. In order to facilitate the conversation conversion of sign language to audio is very necessary. This paper aims at conversion of sign language to speech so that disabled people have their...
The binary semiconductor compound Molybdenum telluride (MoTe2) is For high efficiency and better thermal stability, Molybdenum telluride (MoTe2) is considered as potential solar cell. AMPS (Analysis of Microelectronic and Photonic Structures) simulator is used to investigate the cell performance parameters for ultra-thin MoTe2 PV cell. In this research work, it has been explored that the cell conversion...
The absorber layer of CZTS solar cell is a compound semiconductor which has favourable optical and electrical properties. Researchers are highly interest to investigate the CZTS solar cells for its earth abundant, non-toxic and low cost feature. Consequently, the absorber layer of CIGS is replaced to CZTS absorber layer. In this research work, the potentiality of Molybdenum Sulphide (MoS2) as buffer...
For high efficiency and better thermal stability, Molybdenum Telluride (MoTe2) is remarkable as potential photovoltaic (PV) cell. AMPS (Analysis of Microelectronic and Photonic Structures) simulator is used to investigate the cell performance parameters to design the highly efficient ultra-thin MoTe2 PV cell. In this research work, it has been explored that the cell conversion efficiency of MoTe2...
The Cu2ZnSnS4 is a quaternary semiconductor compound has recently been drawn the attention of extensive research as a potential absorber layer since its offers favourable optical and electronic properties along with low cost material. In this research work, the deep level defects on the performance of CZTS solar cells with Bismuth Sulphide (Bi2S3) buffer layer was carried out by numerical analysis...
Molybdenum telluride (MoTe2) is a very promising candidate as PV cell for better cell stability and performance. In this research work, AMPS (Analysis of Microelectronic and Photonic Structures) simulator was used to examine the performance parameters (Jsc, Voc, FF and conversion efficiency) of ultra-thin MoTe2 PV cell through numerical analysis. During the study, it was found that absorber layer...
Polycrystalline Cadmium Telluride (CdTe) is one of the leading solar cell materials for its efficiency, cost-effective and thermal stability. In this research work, numerical analysis is done by AMPS (Analysis of Microelectronic and Photonic Structures) simulator to investigate the cell performances (Jsc, FF, Voc, efficiency and temperature stability) of ultra-thin CdTe solar cell. Reduction of absorber...
Present development of the world is measured by the amount of energy consumption. Energy of today world is generated from conventional energy sources mostly which are decreasing day by day. Moreover, these conventional energy sources causes pollution and responsible for global warming of the world. To solve these problems, researchers are trying frequently to explore new sources of energy which are...
Energy consumption is an indicator of development of the universe. Modern world needs a huge amount of electrical power to meet up the current demand whereas the resources of conventional energy sources are diminishing steadily in response of vast consumption of energy. So, alternate sources of energy are required not only to fill up the large gap between demand and supply of electricity but also...
To compare the clinical features, risk factors, and outcome of polymicrobial keratitis with monomicrobial keratitis due to fungus.Retrospective, comparative interventional case series.Consecutive cases of microbial keratitis with significant growth of more than 1 organism in culture and culture-proven fungal keratitis treated with natamycin alone were retrieved from the microbiology department. Complete...
Present development of the world is measured by the amount of energy consumption. Energy of today world is generated from conventional energy sources mostly which are decreasing day by day. Moreover, these conventional energy sources causes pollution and responsible for global warming of the world. To solve these problems, researchers are trying frequently to explore new sources of energy which are...
The polycrystalline ultra-thin cadmium telluride (CdTe) is familiar as the potential solar cell material for its higher efficiency, cost-effective, cell stability and clean generation of solar electricity. In this study, a numerical analysis has been performed utilizing AMPS (Analysis of Microelectronic and Photonic Structures) simulator to examine the cell performances (Voc, Jsc, FF and conversion...
Utilization of Renewable energy resources is the most important field in a developing country like Bangladesh. Development of an effective method for evaluation of alternative energy sources in the automotive industry has always been a necessity for cost efficient design analysis. One viable energy source is electricity. Electric Vehicle (EV) is the application of this energy. In Bangladesh, Electric...
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