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108 articles for “Circuit Efficiency”
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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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Integration of Computer Vision with Raspberry Pi in Surveillance Robotics
Abstract: An enhanced method for tracking the weather at a specific location and having the data viewable from anywhere in the world is the system described in this paper. The technology behind this is the Internet of Things (IoT), a state-of-the-art and efficient way to connect devices to the internet and connect everything in the world in a network.. Things like electronic devices, sensors, and vehicle electronics could be found here.Temperature, …
Published in Journal of Microcontroller Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 22–27 Read article
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Piezoelectric Energy Harvesting Using A 10x10 Sensor Matrix with Integrated Circuit Design for Pressure Control
Abstract: This project aims to create a system that generates energy using piezoelectric technology, designed as a rectangular tile platform. The platform has two layers of sensors arranged in a 10 × 10 grid, connected in a mix of series and parallel setups. The top layer acts as a surface for external forces, like footsteps, while springs connect the layers to control pressure and maximize energy generation. A rectifier ensures the …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 2, Issue 2, 2024 · pp. 47–53 Read article
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Building Scalable Microservices with Micronaut, Kotlin, and AWS DynamoDB: A Comprehensive Architecture Study
Abstract: The evolution of enterprise software has trended steadily toward microservice architectures due to their inherent scalability and resilience advantages over monolithic systems. This research explores a comprehensive implementation approach using Micronaut, an innovative JVM-based framework specifically designed for resource-efficient microservices. The study combines Micronaut with Kotlin programming language and leverages AWS DynamoDB as a scalable NoSQL persistence layer, with Apache Kafka providing event-driven communication capabilities. We explore the critical role …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 12, Issue 2, 2025 · pp. 40–57 Read article
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Wireless Solar Charging Systems for Electric Vehicles: Technology, Design, and Implementation Challenges
Abstract: Higher standards for the ease, safety, and dependability of electric vehicle (EV) charging have been proposed in recent years due to the new energy sector's electrical vehicle (EV) rapid development. Inductive coupling is used for wireless power charging. Both stationary and dynamic situations can be used for inductive coupling. Low energy loss and reduced demands on the primary circuit are achieved by rearranging the transformer and changing the high frequency. …
Published in International Journal of Radio Frequency Innovations · Vol. 2, Issue 2, 2024 · pp. 1–8 Read article
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Design and Implementation of Low Noise Power Low and High Speed Three Stage Comparator Using 16nm Technology
Abstract: To meet the demands of quicker operation and reduced noise levels, this study proposes a new CMOS Three-based comparator version. Efficiency may be significantly improved by comparing the suggested model to existing ones. This is so because the suggested comparator would improve the efficiency of the current amplifier design. The suggested model drives the input pairs of the regenerator and the amplified stage, making for a quicker comparator. The structure …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 2, 2023 · pp. 10–16 Read article
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Intelligent Design Approaches in Microwave Engineering Using Machine Learning Techniques
Abstract: In microwave engineering, machine learning (ML) has become a potent technology allowing quicker design cycles, improved modelling accuracy, and automatic optimisation of complicated systems. Recent developments in the use of ML methods to microwave components and systems, including antennas, filters, and high-frequency circuits, are summarised in this study. In the framework of electromagnetic simulation, surrogate modelling, and parameter extraction, supervised and unsupervised learning algorithms are addressed. Moreover, the study looked …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 2, 2025 · pp. 31–38 Read article
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Solar Wireless EV Charging System
Abstract: This project presents a Solar Wireless Electric Vehicle (EV) Charging System that integrates solar energy with inductive wireless power transfer (WPT) to achieve a sustainable and eco-friendly charging approach. The proposed system utilizes a 12V solar panel as the primary renewable energy source, which charges a 3.7V lithium-ion battery through a transistor-based control circuit. This stored solar energy then powers the primary coil, generating an alternating magnetic field that enables …
Published in International Journal of Electronics Automation · Vol. 3, Issue 2, 2025 · pp. 14–20 Read article
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Machine Learning Assisted Timing Violation Prediction in Sub-7nm VLSI Physical Design
Abstract: The continuous scaling of semiconductor technology into the sub-7nm regime has introduced significant challenges in timing closure due to process variability, interconnect delay, power density, and manufacturing uncertainties. Conventional static timing analysis techniques often require extensive computational resources and iterative optimization cycles, resulting in increased design complexity and longer turnaround time. This research proposes a Machine Learning Assisted Timing Violation Prediction framework for sub-7nm VLSI physical design to improve early-stage …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 4, Issue 1, 2026 Read article
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Nanotechnology-Enhanced Battery Management System for Passive Cell Balancing in Lithium-Ion Polymer Batteries for Electric Vehicles
Abstract: The automotive industry is swiftly moving towards eco-friendly innovations, with electric vehicles (EVs) taking center stage in this transformation. A crucial component of these vehicles is the battery, particularly lithium-ion polymer batteries, which exhibit superior performance compared to other battery types. However, these batteries are sensitive to both overvoltage and undervoltage conditions, posing potential safety risks. Additionally, imbalances between individual cells can degrade battery performance and reduce its service life. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 3, 2024 · pp. 27–34 Read article
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Design of Lead-Free Perovskite (CH3NH3SnX3, X=I) Solar Cell using SCAPS-1D
Abstract: Research on renewable energy conversion technology has accelerated due to the world's growing energy needs. Researchers from all over the world are interested in lead-based perovskite materials. These cells are being developed as a substitute for conventional solar cells (SCs) because they have the potential to increase solar energy conversion efficiency. Lead's advantageous electrical and optical characteristics make it a viable option for photovoltaic and optoelectronic applications. Lead's limited material …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 1, 2025 · pp. 37–43 Read article
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VHDL Programming for Side-Channel Attack Countermeasures in IoT Security
Abstract: The Internet of Things (IoT) landscape is expanding rapidly, connecting billions of devices across diverse domains. This interconnectedness, while offering unprecedented convenience and efficiency, also creates a fertile ground for security vulnerabilities. Among these threats, side-channel attacks (SCAs) pose a significant risk, particularly targeting the cryptographic implementations that underpin IoT security. SCAs exploit information leaked from the physical execution of cryptographic algorithms, such as power consumption, timing variations, and electromagnetic …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 2, 2025 · pp. 20–33 Read article
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Inductive (Dynamic) Wireless Electric Vehicle Charging System
Abstract: Wireless charging of electric vehicles (EV) is a good example where an application of electric vehicle supply equipment (EVSE) can be automated and convenient so as to improve acceptance. Inductive, capacitive, and magnetic devices are the three types of wireless charging technologies. An experimental setup intended to assess the effectiveness of a wireless inductive charging system specifically used for EV battery charging is presented in the paper. This configuration shows …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 2, 2025 · pp. 30–44 Read article
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Recent Progress in the Development of High- Efficiency Perovskite Solar Cell Using Copper Iodide (CuI) as Hole Transport Layer
Abstract: Solar cells are a practical option that could potentially require additional energy sources for developing new clean energy. A renewable source of electricity is characterized by its affordability, accessibility, and zero emissions from greenhouse gases. By converting sunlight photons into electrical power, photovoltaic cells are a viable option. The last two decades have witnessed numerous material opportunities for scientific advancements in photovoltaic technology, which have resulted in reduced costs and …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 1, 2024 Read article
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Development of a Polymer-Encapsulated IoT-Based Sensor for Thermal and Electrical Protection of EV Batteries
Abstract: Electric Vehicles (EVs) mark a critical shift toward sustainable transportation, with Battery Management Systems (BMS) playing a vital role in ensuring battery safety, reliability, and efficiency. The proposed BMS in this project incorporates real-time charge monitoring, temperature sensing, and fire detection capabilities to address safety concerns associated with lithium-ion batteries. Key features include current and voltage tracking, State of Charge (SoC) estimation, fault detection, and a user-friendly LCD interface. By …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 582–591 Read article
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Quantum-Fuzzy Tensor Operators for Multi-Qubit Conjunction, Disjunction, and Symmetry-Preserving State Discrimination
Abstract: The integration of fuzzy logic and quantum information theory raises a fundamental mathematical question: how can degrees of truth be encoded in multi-qubit amplitudes while preserving the unitary dynamics and symmetry structure of quantum state spaces? This paper develops a tensor-operator framework for implementing quantum-fuzzy logical operations on finite qubit registers. Fuzzy truth values are represented by normalized quantum amplitude pairs, enabling logical information to be embedded directly into quantum …
Published in Emerging Trends in Symmetry · Vol. 2, Issue 1, 2026 · pp. 16–21 Read article
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Electronic Circuitry and Material Integration for Enhanced Gas Detection Windows
Abstract: Liquefied Petroleum Gas (LPG) and propane, being flammable mixtures of hydrocarbon gases, are widely used as fuel in various applications such as homes, hostels, and industries. Our main objective for this project is to design and fabricate a gas sensing window that will autonomously open upon detecting any leakage of gases like LPG, CO2, alcohol, propane, etc. The heart of our system is the MQ-9 gas sensor, known for its …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 3, 2024 · pp. 14–24 Read article
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Nanoelectronics Based on Carbon Nanotubes
Abstract: Nanoelectronics, the study and application of electronic components and systems at the nanometer scale, plays a pivotal role in advancing modern technology toward faster, smaller, and more energy-efficient devices. Among the various nanomaterials explored for these applications, carbon nanotubes (CNTs) have emerged as one of the most promising candidates due to their exceptional electrical conductivity, mechanical strength, and thermal stability. This project report presents an in-depth exploration of the role …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 3, 2025 · pp. 40–53 Read article
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Cell Balancing in Lithium-ion Batteries – A Comparative Evaluation
Abstract: Balancing the cells within a battery system is essential for safeguarding against overvoltage, overcharge, and over-discharge, which can lead to system failures and safety hazards. Two commonly employed methods for cell balancing are passive and active balancing. In passive balancing, excess charge is dissipated through resistors, while active balancing involves the controlled flow of charge within the circuit. This paper focuses on the comparison and analysis of passive and two …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 1, 2024 · pp. 37–45 Read article
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IOT Based Monitoring and Controlling Substation Equipment
Abstract: The project ”IoT-Based Monitoring and Controlling Substation Equipment” revolves around utilizing the Internet of Things (IoT) technology to make the substation equipment electrical monitoring and control easy. Timely monitoring of these substation equipment is utmost important in ensuring the stable and reliable operation of the power distribution system. This project will design a system whereby sensors collect real-time data on the key parameters such as voltage, current, temperature, humidity, and …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 3, Issue 2, 2025 · pp. 53–58 Read article