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66 articles for “voltage gain”
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High Gain Observer and Moving Horizon Estimation for Parameters Estimation and Fault Detection of an Induction Machine: A Comparative Study
Abstract: The synthesis of a high gain observer (HGO) and moving horizon estimation (MHE) for the on-line estimation of the rotor fluxes, the rotor speed of the induction motor from the current and voltage measurements is presented. This paper presents two approaches for estimating the parameters of an induction machine during normal and faulty functionning. These approaches are based on the HGO and MHE. Simulation results show that we can identify …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 2, 2017 · pp. 15–26 Read article
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Characterization of High Performance Third Generation Current Conveyor using CMOS Technology
Abstract: In this paper, Conventional Third generation(CCIII) and Dual-Output Cascoded Third Generation Current Conveyor(DOCCIII) is presented. Here, both are simulated in ELDO SPICE Mentor Graphics using 90 nm CMOS technology at 0.8 V supply voltage. High performance cascoded current mirrors provide high output impedance. Third generation current conveyer has the advantages of wide current and voltage bandwidths, controlled intrinsic resistances at terminals X,Y and Z. By the use of high performance …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 54–63 Read article
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TZSBLC With Optimized PI Controller Design for Grid Tied PV Based Electric Vehicle
Abstract: Around the world, about 18% pre-mature births and 3.7 million losses of lives occur due to air pollution and 29% of it is contributed by the Internal Combustion Engine (ICE) based vehicles, which consumes fossil fuels for its functioning. Moreover, the increased demand for fossil fuels, as well as the growth in concerns regarding the environmentally friendly and zero-emission transportation, lead to the introduction of electric Vehicles (EVs). The increased …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 1, 2025 · pp. 18–35 Read article
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Ferroelectric Materials for Next-Generation Non-Volatile Memory Applications
Abstract: The continuous scaling of conventional memory technologies is increasingly constrained by limitations in power consumption, speed, endurance, and integration density. As data-intensive applications such as artificial intelligence, Internet of Things, and edge computing demand fast and energy-efficient memory solutions, alternative non-volatile memory technologies have gained significant attention. Ferroelectric materials, characterized by their reversible spontaneous polarization, offer a promising pathway toward next-generation non-volatile memory due to their intrinsic non-volatility, low operating …
Published in Journal of Microelectronics and Solid State Devices · Vol. 13, Issue 1, 2026 · pp. 1–9 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
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A Comparative Analysis of Various Flipped Voltage Follower Cells
Abstract: Flipped voltage follower (FVF) cell is used for designing low-voltage/low-power analog circuits. It can operate with a single supply voltage, less than the sum of the threshold voltages of a PMOS and NMOS transistor. The three different configurations of the FVF cell namely conventional FVF, FVF using level shifter (FVFLS) and FVF using bulk driven technique (FVFBD) are presented. Various parameters such as input/output swing, gain, bandwidth and power dissipation …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 1–8 Read article
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Direct Torque Control Based on Discrete-Time PI Controller of an SVPWM Inverter Fed Induction Motor Using Energy Model
Abstract: A direct torque control (DTC) of an induction motor (IM) with constant switching frequency has been presented in this work which is performed using space-vector modulation (SVM). The developed DTC scheme is based on the discrete-time PI controller strategy and this has been used to achieve direct control of torque of IM. To design the discrete-time PI (DTPI) controller the energy model of induction motor is simplified at the beginning …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 45–55 Read article
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A Compact CPW-fed Quadruple-band-notched Antenna with Concentric Annular-rings for UWB Applications
Abstract: In this paper, a compact coplanar waveguide (CPW)-fed quadruple-band-notched antenna with concentric annular-rings for ultra-wideband (UWB) applications is presented. The proposed antenna consists of four concentric annular-ring resonators, a circular shape radiating element and a CPW feed line. The quadruple band rejection is easily achieved by controlling the widths and radii of four concentric annular-ring resonators. Through the exception of four stop-bands at 3.29 to 3.7 GHz, 5.07 to 5.92 …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 38–47 Read article
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Improved Performance Characteristics of a Designed 1050 nm Bottom Emitting MQW VCSEL using Al0.25Ga0.22In0.53As/InP Materials
Abstract: AbstractIn this work, the design and performance characteristics of a bottom emitting Al0.25Ga0.22In0.53As/InP Multi-Quantum Well (MQW) Vertical-Cavity Surface-Emitting Lasers (VCSEL) have been presented for operation at a wavelength of 1050 nm. The transparency carrier density and bandgap energy of the QW and barrier materials are computed. An improved performance of the designed VCSEL has been obtained by selecting a material with high gain and lower transparency carrier density in the …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 3, 2013 · pp. 22–30 Read article
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High-speed Data Converter Architectures: Latched Comparator Design & Performance Comparison
Abstract: This paper focuses on the design and optimization of latch comparators for high-speed data converter applications. The performance of different comparator architectures is compared in terms of speed, power consumption, and noise performance. The proposed latch comparator architecture uses a preamplifier to boost gain and sensitivity, and a latch to store the output signal. The latch comparator design is optimized for low power consumption and high speed, and is implemented …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 1, 2024 · pp. 23–32 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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Maximum Power Tracking using PI Controller in Photovoltaic System
Abstract: Maximum power point trackers are efficient enough to enhance an efficiency of the photovoltaic system. So many methodologies have been proposed up to this date to achieve maximum power. PV modules are capable of generating maximum power under diverse atmospheric conditions. The base paper proposed an MPPT (Maximum Power Point Tracking) algorithm that based on fuzzy logic for a solar system. The solar panel is analyzed and then simulated by …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 22–27 Read article
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Investigation and Dependency Analysis of Silicon Film Thickness on Performance of Surrounding Gate MOSFET at Subthreshold Regime
Abstract: The characteristics of cylindrical gate all around MOSFET have been studied in terms of the dependence of various device performance metrics on silicon film thickness (Tsi). In this work, the effect of silicon film thickness on numerous performance metrics like threshold voltage (Vt), On current (Ion), subthreshold leakage current (Ioff), On-Off current ratio (Ion/Ioff) and DIBL of cylindrical GAA are comprehensively evaluated and analysed. It has been observed that cylindrical …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 2, 2018 · pp. 49–54 Read article
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Power Quality Improved AC-DC Sepic converter Used for Welding application
Abstract: Abstract— In this paper high frequency isolated ac-dc single phase single ended primary inductance converter (SEPIC) are proposed. Due to use of HF transformer more gain and high power is obtain. Proposed converter offers increased gain which is step-down in nature having less stress on current and also high efficiency. This paper described analysis modeling, and simulation of proposed converter. The performance is described in terms of power quality like …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 24–30 Read article
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Comparative Study of (Operational Transconductance Amplifier) OTA to Design Low Pass Filter
Abstract: Basic building block to design an analog circuit is amplifier and it is used for such applications like analog to digital and digital to analog converter, sensor network and many more. Amplifier with lofty gain and high bandwidth will increase the efficiency of design. Present time is talking about development of VLSI technology and everything is related to size of transistor and decreasing power supply in a circuit. Operational transconductance …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 11–15 Read article
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Designing of Low Power Charge Pump Circuit with Minimum Current Mismatch for High Speed PLL Applications
Abstract: Charge pump (CP) is one of the necessary block of phase locked circuit (PLL). This paper presents the new design of CP circuit, i.e., cascode current source biased transmission gate based CP circuit. Cascode current mirror, transmission gate switches and unity gain follower amplifier are combined to design the CP circuit in 65 nm technology. The reference current is used to bias the switches of CP circuit so that current …
Published in Journal of Electronic Design Technology · Vol. 6, Issue 3, 2015 · pp. 1–8 Read article
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PFC-BL-CSC Converter Fed Sensorless BLDC Motor Drive
Abstract: BLDC motors drives have gained importance due to power quality improvements and high efficiency. In low and medium power applications, it is mostly preferred. The speed control and power factor correction of the BLDC motor drive is achieved using a PFC converter. Here a bridgeless CSC converter is used. This configuration has numbers of advantages over other configurations of the converter. In this paper, position sensing is done based on …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 27–33 Read article
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Dynamic Characteristic of Permanent Magnet Assisted Self Excited Synchronous Reluctance Generator
Abstract: AbstractThe use of self-excited synchronous reluctance generator is gaining interest due to its simplicity and inexpensiveness in terms of manufacturing. The problem of this machine which is best suited in a standalone application is that it has poor power factor. This paper presents a comparative study of a PM assisted synchronous reluctance generator with a regular reluctant generator. The machine was studied using rotor rotating frame and embedded MATLAB was …
Published in Journal of Instrumentation Technology & Innovations · Vol. 10, Issue 1, 2020 · pp. 1–11 Read article
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Acceptance of Islanding in Intelligent Grid
Abstract: At present, distributed generation has gained the high priority in the power industry. At present islanding perception is a big challenge with increased Distributed Generators (DG) in the electric utility sector. Local loads are provided by scattering generation in remote places when a portion of the decentralized network is electrically disconnected first from rest of the electricity network. This is referred to as the Islanding Condition. We used the time …
Published in Current Trends in Signal Processing · Vol. 12, Issue 1, 2022 · pp. 1–10 Read article
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High Frequency Design Approach and Feasibility Study of HBT Based W-band (90.0 GHz-100.0 GHz) Amplifier using 130 nm SiGe Based BiCMOS Technology
Abstract: This paper present high frequency design approach and feasibility study of HBT (Hetero Junction Bipolar Transistor) based two-stage cascode amplifiers at W-band (90.0 GHz-100.0 GHz). The proposed amplifier has design using 130 nm SiGe based BiCMOS technology. This paper used low cost technology for designing of w-band amplifier and this is novelty of this paper. The schematic design and feasibility study has been carried out using Cadence software. The selection …
Published in International Journal of Digital Communication and Analog Signals Read article