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768 articles for “EL devices”
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Study of Efficient HVDC Boost Converters: Design Challenges and Solutions
Abstract: The boost converter is a fundamental circuit topology in power electronics, widely used for voltage step-up applications. This article explores the design principles, operational characteristics, and performance analysis of boost converters. It delves into key components such as the power switch, inductor, capacitor, and control circuitry, elucidating their roles in achieving efficient voltage conversion. The use of a high voltage direct current (HVDC) boost converter for bug zapper purposes is …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 3, 2024 · pp. 42–48 Read article
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Low-cost Air Quality Monitoring System for Dhaka City
Abstract: AbstractContamination is the expansion of any substance or any type of vitality to nature at a rate quicker than it very well may be scattered, weakened, deteriorated, reused, or put away in some innocuous structure. Pollution has become a crucial problem for busy cities all around the world. There are many types of pollution among them: air pollution, water pollution, soil pollution, food pollution, noise pollution, light pollution, thermal pollution …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 3, 2019 · pp. 33–41 Read article
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Review on Local News’s Transition Towards Digital Media
Abstract: The development of a contemporary news web application is centered around delivering a captivating user experience replete with advanced functionalities for consuming news. Tailored for daily newspaper readers, the application offers a seamless blend of reading and auditory experiences, allowing users to listen to news articles. Its dynamic homepage algorithmically curates content based on users' historical searches, presenting them with articles that align with their interests. A real-time comment section …
Published in International Journal of Information Security Engineering · Vol. 2, Issue 1, 2024 · pp. 22–28 Read article
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Smart Attendance System Using Face Recognition with OpenCV
Abstract: In the past, the conventional method of recording student attendance relied heavily on teachers manually marking entries in a physical register. While simple, this approach is not only time-consuming but also highly vulnerable to errors such as accidental omissions, incorrect entries, or even malpractice in the form of proxy attendance. Moreover, traditional registers lack real-time accessibility, making it difficult to analyze or monitor data instantly. To address these limitations, modern …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 12, Issue 3, 2025 · pp. 30–39 Read article
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Artificial Intelligence Techniques for Smart Polymer Nanocomposite Materials and Industrial Applications
Abstract: Protecting sensitive material data, manufacturing processes, and intelligent monitoring platforms is essential for the fast development of innovative polymer nanocomposite systems in fields such as aerospace, medicine, electronics, automobiles, and energy. In order to safeguard, consistently enhance, and optimize distributed industrial systems that consist of polymer nanocomposite materials, this study presents an AI-driven cybersecurity and cloud computing architecture. The suggested solution employs artificial intelligence (AI), machine learning (ML), cloud computing, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1109–1134 Read article
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An Innovational Approach for Estimation of Reliability Indices Accounting Repair Time of Hose Reel System-Safety Empirical Outlook
Abstract: Numerous reliability indices estimation of a system or component or element is very important in order to predict its availability and unavailability. Reliability is the specification which tells about the availability of the system under proper working conditions for a given period of time. Reliability of numerous complex engineering systems has been estimated in literature. In view of above, in this paper an innovational approach for estimation of various reliability …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 12–18 Read article
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Design of Photonic Sensor for Driver Assistance
Abstract: AbstractA report from National Highway Traffic Safety Association, USA, states that 100000 police reported crashes are a result of driver fatigue. This figure would be quite mind boggling for developing nations, where work periods are usually extended without conducting detailed scrutiny. Sophisticated vehicles are equipped with sensors for assisting drivers and providing them with time-critical accident alerts. However, there is a need to develop cheap and reliable sensors for 24x7 …
Published in Journal of Electronic Design Technology · Vol. 9, Issue 2, 2018 · pp. 14–23 Read article
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A Survey on the various Adibatic Logic Styles used for Circuit Design in IOT & WSN Applications
Abstract: Abstract— This paper describes about different adiabatic logics are used which are all used to provide low power and high speed. Low power circuits and designs are the need of the hour as they find applications in electronic components which have power efficient processing capabilities. For IOT based applications we need to design low power VLSI circuits that utilize adiabatic logic in order to enhance the security and reduce the …
Published in Journal of Microcontroller Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 1–5 Read article
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Fire Alarm and Monitoring System Using IoT
Abstract: AbstractThis paper outlines the design with Arduino based device by means of IoT of a home fire alarm. The project is intended for the protection of the home and business, where the main aim is to prevent fire incidents that have happened to people, businesses and property inside the city. It utilizes board Arduino Uno with chip ATmega328. The key controller used is definitely the ATmega328 which controls the fire …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 1, 2020 · pp. 10–20 Read article
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Implementation of Adders Using Ternary Based Multiple Valued Logic
Abstract: In today’s world VLSI chips are widely used in various branches of Engineering like Voice and Data communication networks, Digital signal processing, Computers, Commercial Electronics, Automobiles, Medicine and many more. So, there have been major advances in IC technology which have both made feasible and generated great interest in electronic circuits which employ more than two discrete levels of signals such circuits called Multiple valued logic circuits, offer several potential …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 2, 2023 · pp. 1–8 Read article
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Battery Management System For Electric Vehicle
Abstract: Shortly, electric cars are expected to predominate as a mode of transportation, and lithium-based rechargeable battery packs have become commonplace in them. To keep the overall electric vehicle system safe, effective, and reliable, battery packs must be constantly monitored and regulated. A battery management system is composed of a battery fuel gauge, an optimal charging algorithm, and circuitry for cell/thermal balance. The battery is tested for voltage, current, and temperature …
Published in Journal of Instrumentation Technology & Innovations · Vol. 12, Issue 3, 2022 · pp. 39–47 Read article
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SpecForesight: A Predictive Analytics Pipeline for Laptop Price Forecasting
Abstract: This paper frames laptop pricing as a supervised predictive analytics problem, transforming product specifications into feature-rich signals to forecast price with calibrated regression models and operational guardrails against drift. A structured pipeline ingests tabular listings, performs data cleaning, and engineers domain-informed features (e.g., central processing unit (CPU) family and clocks, graphics processing unit (GPU) tiering, memory/storage density, display, and touch capabilities), followed by encoding and normalization to optimize model learnability. …
Published in Journal of Computer Technology & Applications · Vol. 17, Issue 1, 2026 · pp. 61–71 Read article
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Blynk-based Water Level Monitoring System
Abstract: AbstractIn this study, Blynk-based water level monitoring system presented as a medium of data transmission. Blynk application is having a stand with iOS and Android apps to control Android and Raspberry pi over the Internet. We created a web dashboard where simply drag and the drop the widgets present in it. This application is installed in our iOS/Android devices which are used to monitor the water level using ultrasonic sensor …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 1–3 Read article
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Low-cost Machine Learning-Based Sensor-based Activity Recognition for Patients with Financial Difficulties
Abstract: Elderly and schizophrenic patients are compelled to obtain treatment at home due to a lack of resources, putting them at risk for patient neglect and other health issues. This is particularly troublesome for prescription yoga or fitness programs, which are hard for doctors to keep an eye on all the time. We have looked into an automated method that tracks patients’ everyday behaviors using machine learning- based techniques in order …
Published in Recent Trends in Sensor Research & Technology · Vol. 12, Issue 3, 2025 · pp. 7–17 Read article
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Design and simulation of Solar Powered Automated Dual Rotor Mechanism for Sugarcane Harvesting
Abstract: Sugarcane being the vast cultivated cash crop of India’s agricultural economy has undoubtedly one of the most difficult harvesting processes. The existing mechanisms to harvest sugarcane are costly and are not affordable by rural based farmers. In this project a novel design mechanism is suggested that would serve the purpose of harvesting with least manpower, being cost effective and serving the purpose of cutting, stripping, sorting and loading of the …
Published in International Journal of Robotics and Automation in Mechanics · Vol. 4, Issue 1, 2026 · pp. 18–26 Read article
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Dynamic Integration and Control of Fixed-Sp eed Wind Generation System with Multimachine System
Abstract: Since the average life of a wind generator is about 20 years, many of the wind systems will be employingconventional fixed-speed cage generators in spite of the superiority of the variable-speed devices. As theextent of wind integration continues to grow, the wind parks may need to be integrated with AC power grids.The integration to grids, particularly to weak ones, may give rise to transient conditions detrimental to boththe asynchronous as …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 14–27 Read article
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Arduino Controlled Hydroponics
Abstract: AbstractLivelihood in India is based mainly on agriculture. Climate changes substantially affects the agriculture by either increasing food prices or decreasing food production. Conventional farming requires exceptional soil condition along with natural mineral potency. It additionally requires labour cost and also utilizes tremendous amount of land and water resources. Seasonal crops can’t be grown throughout the year. To resolve this factors an agricultural approach that significantly cuts down the revenues …
Published in Journal of Microelectronics and Solid State Devices · Vol. 7, Issue 2, 2020 · pp. 1–3 Read article
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Progress of Graphene/Silicon Solar Cells-Present Status & Future Prospect
Abstract: The ever-increasing demand for next-generation high efficiency low cost solar cell has triggered interest to search for new materials which are easily available, environmentally benign as well as cost-effective. In this context, graphene has attracted tremendous importance due to its outstanding optical, electrical and mechanical properties, for possible application in future graphene/silicon Schottky and heterojunction solar cells. Significant progress has been noted as the power conversion efficiency of such cells …
Published in Journal of Semiconductor Devices and Circuits · Vol. 7, Issue 3, 2020 · pp. 19–29 Read article
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Mountaineer’s Health and GPS Tracking System
Abstract: Mountaineering is always a fun and adventurous activity. But mountaineering comes with a lot of risks. Mountain climbers have heavy chances of mishaps. Search and rescue efforts frequently fail when a similar tragedy takes place in a rural area or at a high elevation. As a result, the search and rescue team is ignorant of the accident's location or whether or not the individual is alive and, if so, what …
Published in Journal of Communication Engineering & Systems · Vol. 13, Issue 1, 2023 · pp. 25–32 Read article
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Strategies for Efficient Integration of Distributed Energy Resources into Microgrid Systems
Abstract: With the growing integration of Distributed Energy Resources into modern power systems, the global energy landscape is changing. Some of the DERs are solar photovoltaic (PV), wind turbines, battery storage systems, combined heat and power (CHP) units, and electric vehicles (EVs). Some of the advantages include lower transmission losses, better energy efficiency, and more resilience to grid failures. However, the far-reaching integration of DERs carries with it considerable technical, economic, …
Published in Journal of Power Electronics and Power Systems · Vol. 15, Issue 3, 2025 · pp. 51–56 Read article