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57 articles for “Front-end”
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Analysis of Three Phase AC-DC Front End Converter with Vector Control
Abstract: The revolution in power electronics has opened in last few years widespread use of power converters of different power rating from few Watts to Mega-Watts. 3 phase AC-DC converters (Controlled rectifier) are most widely used power converters as the distributed electric power is AC supply, while the applications based on DC supply as well as variable frequency AC supply, need conversion of AC supply into DC supply. Large current harmonics …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 3, 2021 · pp. 19–30 Read article
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Automatic Gain Control Amplifier for Analog Front End in Biomedical Applications
Abstract: This paper presents the design review of feed-forward automatic gain control (AGC) amplifier to be used in analog front end of biomedical applications such as hearing aid. To make system low-power, the design of each block is optimized and all elements are realized using MOS. The whole design is simulated in LT spice IV using 0.18 µm CMOS technology and the results are presented. Keywords: Automatic gain control (AGC), biomedical …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 5, Issue 3, 2016 · pp. 22–26 Read article
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Digital Front-End Architecture of ECG Acquisition System with 0.5V Supply
Abstract: AbstractDue to the popularity of portable electronic products, low power systems have attracted more attention in recent years. Dynamic power consumption remains to be the biggest contributor to the total power consumption of a hardware design. A new power efficient electrocardiogram acquisition system that uses a fully digital architecture to reduce the power consumption and chip area has been proposed in this paper. The design of analog-to-digital converters (ADCs) is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 11–20 Read article
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Design of Front-end for Variable-frequency Drive
Abstract: A variable-frequency drive (VFD) is a device used in electro-mechanical drive systems to regulate the speed and torque of AC motors. It consists of a rectifier, a DC link, and an inverter, which work together to convert AC power into a variable frequency and voltage AC power supplied to the motor. By providing accurate speed regulation, VFDs enable energy conservation, enhanced process management, and reduced motor wear. They are commonly …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 11, Issue 1, 2023 · pp. 31–35 Read article
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Designing an Application for Community Assistance: WedsPay
Abstract: As the world continues to adjust to the new normal of social distancing, we are seeing a significant shift toward digitalization in many aspects of our lives. In light of this, we have come up with an innovative idea of receiving gifts and blessings from loved ones in a digital format. Our platform, Wedspay, aims to make the process of accepting cash gifts as easy and seamless as possible by …
Published in Journal of Computer Technology & Applications · Vol. 14, Issue 2, 2023 · pp. 1–6 Read article
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College Management System and Forum using Web-Application
Abstract: With the growing number of colleges nowadays and a growing number of students each year, we face a huge problem of maintaining huge amounts of data about each and every student as well as professors, be it their attendance or be it some issued notices regarding various events. Through this paper, we propose a way of easy maintenance of each and every detail of all activities being done in the …
Published in Current Trends in Information Technology · Vol. 8, Issue 3, 2018 · pp. 1–4 Read article
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A MODEL DRIVEN APPROCH FOR REQUIREMENTS ENGINEERING OF INDUSTRIAL AUTOMATION SYSTEM
Abstract: A model-driven approach to developing multiple, consistent user interfaces for your application. An Abstract UI (AUI) model constrained to dialogue flow maintains the fundamental similarities of different user interfaces.. In particular, we will consider how to customize the User Interface at his AUI level by deriving and customizing dialog structures that take into account the limitations imposed by the front-end platform or novice user. The generated user interface is integrated …
Published in Journal of Mechatronics and Automation · Vol. 9, Issue 3, 2022 · pp. 1–4 Read article
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An Energy Efficient Routing Algorithm for FiWi Access Network
Abstract: AbstractFiber wireless access network is a promising access network due to the provision of higher bandwidth, flexibility, and ubiquity. One of the main challenges for a FiWi access network is to minimize energy consumption. In this network, there are many concerns like ONU placement, ONU sleep mechanisms, power saving mechanisms, etc., which are accountable for achieving energy efficiency. Routing is another aspect at the front end of the network, which …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 2, 2017 · pp. 1–13 Read article
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New trends in Radio Frequency design and making things smaller
Abstract: Recent improvements in wireless communication, the Internet of Things (IoT), and 5G/6G networks have made people want small, powerful radio frequency (RF) equipment. With an emphasis on how developments in materials engineering, circuit architecture, and packaging technologies are redefining RF system integration, this article offers a thorough evaluation of current developments in RF downsizing. System-on-Chip (SoC), System-in-Package (SiP), and Antenna-in-Package (AiP) ideas, which allow tightly integrated RF front-ends with enhanced …
Published in International Journal of Radio Frequency Innovations · Vol. 3, Issue 2, 2025 · pp. 28–34 Read article
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An AI Integrated Online Hotel Management System
Abstract: The rapid advancement in technology across all industries around the globe has paved the way for hospitality sector to reap benefits. Hotel management software has come an extended way in assisting hoteliers to amend the way their business functions. Hotel Management system includes many activities viz., maintaining hotel guest’s records, booking, doing registrations, posting of bills and input room hotel rates, etc. Thus, handling the items manually creates great challenges …
Published in Journal of Web Engineering & Technology Read article
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Evaluation of Antenna Performance using a Novel Measurement Device: Methodology and Results
Abstract: In the last decade, the field of On Chip Antennas (OCA) has experienced unprecedented growth due to the introduction of small, low-cost, low-power System-on-Chip (SoC) wireless communication devices. OCAs are superior to conventional off-chip antennas in a number of ways. They first reduce the overall size of the wireless communication system since the presence of an OCA eliminates the need for an impedance matching network between the antenna and RF …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 11, Issue 1, 2024 · pp. 24–29 Read article
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Jarvis the Voice Assistant for Desktop
Abstract: This study presents the development and execution of a cutting-edge multilingual voice partner using JavaScript, HTML, CSS, and Python for the frontend and backend, independently. The voice accomplice is planned to appreciate and address client inquiries in various lingos, making it a significant gadget for people of all ages and foundations. The front end of the voice associate is created using JavaScript, HTML, and CSS, which give a simple to …
Published in Current Trends in Information Technology · Vol. 14, Issue 2, 2024 · pp. 28–39 Read article
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Revolutionizing EV Battery Charging: Enhancing Power Factor with Modified Bridgeless Landsman Converter
Abstract: The work focuses on the design and implementation of an innovative battery charger for electric vehicles (EVs) with a significant improvement in the power factor at the front end. The existing EV chargers often suffer from poor power factor, leading to increased losses and reduced efficiency. An altered Landsman power factor correction (PFC) converter is used in place of the traditional diode bridge rectifier (DBR) in order to solve this …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 2, 2024 · pp. 12–20 Read article
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Data Representation and Abstraction in Computer Systems: An Interactive Study
Abstract: Data abstraction simplifies data, while data representation stores or encodes it. Data abstraction in programming involves constructing a data type that hides data representation. This lets consumers concentrate on the data’s primary features rather than its implementation. Data abstraction is common in object-oriented programming and database administration. Computers store data in binary format. The smallest binary unit is a bit, or “binary digit”. Bytes typically have eight bits. Data abstraction …
Published in International Journal of Data Structure Studies · Vol. 2, Issue 2, 2024 · pp. 22–31 Read article
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Single-Phase Electric Vehicle Battery Charger With Bidirectional Capability
Abstract: Electric vehicle (EV) technology has become prominent nowadays in the automotive industry and is playing a key role in decreasing greenhouse gas (GHG) emissions and advancing sustainable transportation. Bidirectional battery chargers are a key part of EV infrastructure. They not only help to exchange power from the grid to your car’s battery, but they also let energy flow from your car to the grid, giving you V2G capabilities. EVs may …
Published in International Journal of Optical Innovations & Research · Vol. 2, Issue 2, 2024 · pp. 1–8 Read article
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AI-Optimized Itinerary Design: Transforming the Future of Travel Planning
Abstract: The travel industry is struggling to meet the rising demand for efficient and personalized trip planning. Traditional methods often lack real-time updates and fail to adapt to individual preferences, necessitating innovative solutions. This study presents an AI-powered travel planner utilizing the Gemini API to enhance itinerary creation. By analyzing user preferences, interests, and real-time data, the system delivers tailored travel recommendations. Leveraging advanced technologies such as cloud computing, machine learning, …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 12, Issue 2, 2025 · pp. 74–82 Read article
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Iot Based Environment Monitoring System
Abstract: Pollution combined with climate change is creating long-term problems for natural resources. Their impact on soil, air, and water cleanlinessis growing, requires smart, immediate solutions. In this paper, we report on an IoT-based Environment Monitoring System whose purpose is to monitor the air quality, temperature, humidity, and soil moisture content. It consists of an Arduino Uno, gas sensors (MQ135, MQ9, MQ6), a temperature sensor LM35, a soil moisture sensor, and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 15, Issue 2, 2025 · pp. 8–14 Read article
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IoT-Based Real-Time Weather Monitoring System
Abstract: In the evolving landscape of the Internet of Things (IoT), real-time environmental monitoring has become increasingly vital across various domains, including agriculture, smart cities, and climate research. This study presents the design and implementation of an IoT-based real-time weather monitoring system that utilizes the ESP32 microcontroller in conjunction with AWS cloud services. Temperature and humidity data are captured using onboard sensors and transmitted using the MQTT protocol to AWS IoT …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 14, Issue 3, 2025 · pp. 19–25 Read article
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Polymer-Based Acousto-Optic Ultrasonic Sensor for Non-Destructive Evaluation of Dielectric Insulation
Abstract: A dual-polymer fiber-optic sensor for monitoring partial discharge (PD) activity in high-voltage polymeric insulation is presented in this work for non-destructive evaluation and dielectric testing applications. Dielectric weakness within polymeric insulation leads to partial discharge activity, generating ultrasonic acoustic waves that propagate through the medium. The developed sensing assembly comprises a conical polymer-based horn that gathers and concentrates the ultrasonic acoustic emission energy generated by dielectric weakness, and a single-mode …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 11–24 Read article
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Graphene–Perovskite Hybrid Opto-Electronic Modulators for Ultra-Low Power Optical Communication
Abstract: This paper proposes a novel self-adaptive neuromorphic opto-electronic transceiver architecture designed to enhance the intelligence, adaptability, and efficiency of next-generation optical communication networks. The proposed system integrates neuromorphic computing principles with photonic signal processing to enable real-time learning, dynamic resource allocation, and autonomous compensation of channel impairments such as dispersion, nonlinearities, and noise. Unlike conventional transceivers, the developed model employs spiking neural networks embedded within opto-electronic circuits to mimic biological …
Published in Trends in Opto-electro & Optical Communication · Vol. 16, Issue 1, 2026 · pp. 41–52 Read article