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218 articles for “Power gain”
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Cell Phone Detector
Abstract: This project presents a Solar-Powered Cell Phone Detector—an innovative and eco-friendly system designed to detect active mobile phones using renewable energy. The primary goal is to offer a sustainable, off-grid solution for environments where mobile phone usage must be restricted, such as examination halls, confidential meeting rooms, and high-security zones. Traditional detectors typically rely on conventional power sources, making them less practical during outages or in remote areas. This system …
Published in Journal of Electronic Design Technology · Vol. 16, Issue 3, 2025 · pp. 7–13 Read article
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Design and Simulation of Discrete Time Multi-Input Multi-Output Optimal Controller to Control Active and Reactive Power of DFIG
Abstract: The control of active and reactive power of doubly-fed induction generator (DFIG) in a large scale wind farm has become an important issue for the improvement of wind energy system to provide efficient and reliable electrical power with safety. The control strategies of active power and reactive power can be classified in two types—direct power control and indirect power control. First control strategy has designed based on the chosen switching …
Published in Trends in Electrical Engineering · Vol. 5, Issue 1, 2015 · pp. 1–11 Read article
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Small Size High Gain Antenna and High Efficiency Rectifier for RF Energy Harvesting in 2.45 GHz ISM Band
Abstract: A streamlined microwave energy harvesting system to harvest energy in 2.45 GHz presented in this paper. An electromagnetically coupled square micro-strip antenna is designed and fabricated for formation in proposed system. Antenna gain of 6.7 db and bandwidth from 2.42to 2.47 GHz is achieved. The maximum gain of proposed antenna is 24 db at frequency 2.1 GHz. Rectifier circuit consists of a resonant circuit and a boosting circuit for enhancing …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 41–46 Read article
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Literature Review and Research Gaps in Power Quality Enhancement: From Conventional Methods to Intelligent Solutions
Abstract: Power quality (PQ) has become a critical concern in modern electrical power systems due to the rapid integration of renewable energy sources, proliferation of power electronic devices, and increasing sensitivity of loads. This paper presents a comprehensive literature review and research gap analysis of power quality enhancement techniques, ranging from conventional approaches to emerging intelligent solutions. Traditional methods, including passive filters, capacitor banks, and synchronous condensers, have been widely employed …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 4, Issue 1, 2026 · pp. 38–80 Read article
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Some Investigations with Ultra High Speed Low Power All Optical digital Logic Gates
Abstract: AbstractThis paper illustrates design for an all-optical optical inverter and universal digital logic NAND gate using NRZ format, realized by MZI structure. Miscellaneous evaluations have been done to examine the designs performance in terms of their generated output waveforms. Simulations have been done for significant design parameters as chirp factor, laser power and bit error rate at different data-rates. Optical Logical gate outputs have been verified. It showed good design …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 17–30 Read article
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Novel approaches to the Design and Optimization of Universal Shift Register with Reversible logic
Abstract: Reversible logic is gaining importance in new multi-disciplinary fields, such as quantum computing, low-power computing, and even nanotechnology. The study of reversible gates has quickly evolved as a distinctive area of research as a result of the new developments aimed at fully utilizing resources and performing operations without any loss of information. With chip integration, these USRs, or Universal Shift Registers, have now become fundamental sequential components needed in various …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 3, 2025 · pp. 21–28 Read article
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Low-Offset High Speed CMOS Voltage Comparator using 180 nm Technology
Abstract: A low Off-Set high-speed two-stage dynamic comparator is presented. In this circuit, PMOS transistors are used at the input of the first and second stages of the comparator. At the evaluation phase, the second stage is activated after the first stage with a predetermined delay to achieve a controllable pre-amplifier gain. Also, the first stage is turned off after the delay to reduce overall power consumption. Simulation results in 0.18µm …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 3, 2017 · pp. 21–27 Read article
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Low-Offset High Speed CMOS Voltage Comparator using 180 nm Technology
Abstract: A low Off-Set high-speed two-stage dynamic comparator is presented in this paper. In this circuit, PMOS transistors are used at the input of the first and second stages of the comparator. At the evaluation phase, the second stage is activated after the first stage with a predetermined delay to achieve a controllable pre-amplifier gain. Also, the first stage is turned off after the delay to reduce overall power consumption. Simulation …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 21–27 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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A Memory-Based Genetic Algorithm for Optimization of Power Generation in a Microgrid
Abstract: Due to advancement in power electronics field, it is becoming more feasible to integrate renewable energy into power grid. Renewable energy sources are prompting more and more small investors to invest in generation and distribution of renewable energy at microgrid level. The increased competition requires energy producers to offer energy at minimum possible cost to gain the confidence of consumers, which needs efficient methods to schedule energy generation among the …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 3, 2025 · pp. 29–38 Read article
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To Evaluate the Effectiveness of Planned Teaching Programme on Knowledge and Attitude Regarding Blood Donation
Abstract: Aim of the study is to evaluate the effectiveness of planned teaching programme (power point presentation) on knowledge and attitude regarding blood donation among the B.Ed. students selected colleges at, Kanyakumari District. The study used a quasi-experimental pre-test and post-test design. The study was conducted in selected college of education; Kanyakumari District. The sample consisted of 77 B.Ed. students. The study participants were chosen using a convenience sampling method. The …
Published in Journal of Nursing Science & Practice · Vol. 13, Issue 1, 2023 · pp. 71–75 Read article
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Numerical Modelling and Simulation of Improved Partial Transmit Sequence for PAPR Reduction in OFDM Communication System
Abstract: Channel capacity and peak average to power ratio are essential elements in offering dependable communication through wireless medium in this competing wireless communication system. The rating of an amplifier in an OFDM system, as well as prospective future candidates of 5G systems such as FBMC and UFMC, is affected by a high peak to average power ratio. The demand for channel capacity fluctuates due to the growing number of wireless …
Published in Recent Trends in Electronics Communication Systems · Vol. 8, Issue 3, 2021 · pp. 33–39 Read article
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A Review on Solar Multilevel Inverter for the Production of Free Energy Due to the Structure with Long-life Feature
Abstract: Multilevel inverters play a major role in medium voltage, high power and renewable applications. It is also used in certain applications where high switching frequency, and high output voltage gain are required. The switching transient period of a MOSFET should be minimal because a high dv/dt rate could result in permanent damage to the MOSFET. The harmonics present could cause many problems and so it has to be minimized. The …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 13–18 Read article
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Pharmacokinetics and Pharmacodynamics Studies of Chia Seed Derived Compounds; A Review
Abstract: Chia seeds (Salvia hispanica L.) have been historically valued by ancient civilizations and are increasingly being recognized for their powerful nutritional and therapeutic properties. Rich in omega-3 fatty acids, polyphenols, fiber, and essential minerals, chia seeds are gaining attention for their potential health benefits. This review examines the pharmacokinetics and pharmacodynamics of chia seed-derived compounds, with emphasis on their absorption, distribution, metabolism, and elimination processes, as well as their biological …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 12, Issue 1, 2025 · pp. 9–15 Read article
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Modelling and Electrical Characterization of Single Electron Transistor
Abstract: A nano-electronic device with low power consumption, high performance, and quantum effects is the single electron transistor (SET). It's used in charge sensor applications, infrared radiation detectors, and spectroscopy. However, it faces limitations in lithography, co-tunneling effect, low gain, high output impedance, and background charges. Therefore, prior simulation is needed to optimize SET's work function and understanding physics concepts. A master equation approach is used to propose a new model …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 3, 2024 · pp. 19–25 Read article
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Study of Current Conveyors for Signal Processing Applications
Abstract: Current conveyors are basic analog building blocks used for voltage as well as current processing applications. Current conveyors are used as a voltage or current buffer in many applications. They are used for high frequency, high bandwidth, high dynamic range, better linearity, high driving capability, low voltage and low power applications. Current conveyors modify the limitations of low impedance at the output, tradeoff between speed and bandwidth and constant gain …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 1, 2017 · pp. 7–14 Read article
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AI-Powered Smart Door Lock System with IoT Integration for Enhanced Home Security
Abstract: An AI-Powered Smart Door Lock System with IoT Integration for Enhanced Home Security system is an advanced security solution that utilizes sensors, microcontrollers, and authentication mechanisms to control access efficiently. This system is designed to enhance security and convenience by eliminating the need for traditional keys, reducing the risks associated with lost or duplicated keys. It operates using various authentication technologies such as RFID (Radio Frequency Identification), fingerprint recognition, and …
Published in Journal of Mechatronics and Automation · Vol. 12, Issue 2, 2025 · pp. 34–38 Read article
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Power Control of Doubly Fed Induction Generator (DFIG) Based on IP Controller
Abstract: Conventionally, the indirect power control of Doubly Fed Induction Generator (DFIG) has been developed based on conventional Proportional-Plus-Integral (PI) controller due to its simple construction and implementation. The steady-state error minimization, overshoot elimination and disturbance rejection are not possible where the gains of PI controller are chosen by trial and error method. The steady-state error and disturbance rejection can be possible if the gains of PI controller are chosen by …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 23–32 Read article
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Enhanced Efficiency in Electric Vehicles: Gyroscopic Sensor for Power Optimization
Abstract: This research focuses on the design and production of a smart electric vehicle that uses a controlled gyroscopic sensor and microcontroller to automatically transfer power from the internal system to the wheels and vice versa. The era of electric vehicles has only recently begun, but it will significantly expand the automobile industry to the point where modern fossil fuel vehicles will eventually become outdated. The fact that they are environmentally …
Published in International Journal of Optical Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 32–40 Read article
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Real-Time IR Intensity Measurement and Computation for Systems
Abstract: In contemporary defense mechanisms, infrared (IR) sensing has become a fundamental technology for identifying and neutralizing heat-seeking threats, especially concerning aircraft protection. Conventional IR detection systems, such as single-channel radiometers and basic thermal sensors, frequently face restrictions due to low spatial resolution, sluggish data processing, and inadequate user engagement. These constraints can impede the prompt identification of dangers like missile launches or flare activations, potentially endangering mission safety. Additionally, numerous …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 3, 2025 · pp. 8–13 Read article