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164 articles for “distortion”
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Generalized Rail Clamping Sequences Based PWM (GRCPWM) Algorithm for Direct Torque Controlled Induction Motor Drive
Abstract: The paper presents Rail Clamping Sequence based Pulse Width Modulation (RCPWM) algorithms applied to Direct Torque Control (DTC) of induction motor drive. This RCPWM based DTC retains all the advantages of conventional DTC (CDTC), moreover it eliminates the complexity involved in SVPWM algorithm and results in reduced current ripple at higher modulation indices and lowers the switching losses at all modulation indices. To validate the proposed method, simulation through MATLAB …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 38–59 Read article
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Power Factor Improvement in BL-Pseudo Boost Converter-based BLDC Motor Drive
Abstract: Power factor correction (PFC) system increases the efficiency of power supply, delivering cost savings on electricity. Exchanging power supplies without PFC attract current short, high greatness beats. The beats can be smoothed out utilizing dynamic or inactive PFC procedures. This improves the power factor. A Bridgeless (BL) Pseudo boost converter is used for power factor correction in Brushless DC Motor (BLDC) drive. This converter working in spasmodic conduction mode (DCM) …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 2, 2019 · pp. 40–49 Read article
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Detection of Stator and Rotor Winding Faults in Induction Motor using Park’s Vector Approach
Abstract: The Induction Motors in every rotating machine’s heart and it’s a very important component in amuch. Almost 90 percent of the Induction Motor use in industry as a prime mover. So Induction Motoris necessary to Condition Monitoring for Economic Running Cost. Condition Based Monitoring ofInduction Motor has become an important and difficult task for Engineers and Researchers mainly inIndustrial applications. Several Condition Monitoring Methods (Technique) including Motor CurrentSignature Analysis Monitoring, …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 1, 2021 · pp. 6–17 Read article
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Prediction of Bead Geometry Parameters using Response Surface Methodology and Finite Element Analysis of Gas Metal Arc Welded Joints of Aluminum Alloy
Abstract: Gas Metal Arc welding process aims to produce welded joint with the excellent mechanical properties with minimum distortion and desired weld bead parameters. In welding, input process parameters decides the quality of weld joint. Manufacturer are facing problem of controlling the process input parameters to obtain a good welded joint with the bead geometry. Prediction of weld bead geometry play very important role in determining the quality of weld. This …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 2, 2018 · pp. 23–35 Read article
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Performance Analysis of Bridgeless Converter Based SMPS used for Welding Application
Abstract: Abstract: This paper deals with performance analysis bridgeless converter based switched mode power supply (SMPS) of improved power quality. Power Factor Correction (PFC) based bridge less SMPS having so many applications in the area of welding power supply with IPC. This topology based on the constant voltage output and output current varied according to load changes. In the proposed topology, it is replaced the front end diode bridge rectifier with …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 1, 2019 · pp. 27–33 Read article
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A Review of Single-Phase Grid Connected Transformerless Solar PV Inverter Topology
Abstract: Abstract: Owing to low cost and system compactness, transformerless inverters became popular in single-phase grid connected photovoltaic (PV) systems. Improvement of conversion efficiency, reduction in distortion of the grid current and minimizing common mode leakage current are the major concerns in these inverters. The purpose of this paper is to review on various transformerless solar PV inverters. In this paper, the single-phase inverters are classified into two major categories: 1) …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 1, 2019 · pp. 1–7 Read article
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Survey on Voltage Stability
Abstract: Power quality has a vital role lately because of the impact on electricity suppliers, equipment manufacturers and customers. Power quality is described as the variation of current, voltage and frequency in a power system. It mentions to an extensive type of electromagnetic (EMI) phenomena, which describes the current and voltage at a given time and at a given locality in the power system. Currently, there are several industries exploiting technology …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 3, 2016 · pp. 35–40 Read article
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Design and Analysis of Bootstrap Sample and Hold Circuit
Abstract: This paper describes the design and implementation of open-loop sample and hold-circuit using bootstrap technique, which can be used as front end sampling circuit for high-speed analog-to-digital converters. Different design criteria, viz., speed, power, resolution, linearity, noise and harmonic analysis have been dealt with. Both theoretical analysis and simulation results are carried out. The bootstrap circuit is designed and then compared in a 0.18 and 0.35 μm CMOS process. It …
Published in Journal of Electronic Design Technology · Vol. 5, Issue 3, 2014 · pp. 7–14 Read article
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Design And Implementation Of Audio Steganography On Fpga
Abstract: As the emergence of latest hacking programs and attention of hackers in hacking more and more data, the need arises to make an integrated circuit that can help hiding the message in such a form that no one can hack it easily. The audio Steganographer is a device or an integrated circuit that facilitates the user to hide a massage in the ongoing digital audio stream. It also ensures the …
Published in Journal of Electronic Design Technology · Vol. 1, Issue 1-3, 2011 · pp. 1–6 Read article
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Micro-Doppler Signatures for Human with Orbbec Sensor
Abstract: Micro-movements, such as oscillations, rotations or revolution of an object or structures persuade additional frequency modulations on reinstate radar signal, which generates sidebands about the object’s Doppler frequency, called micro-Doppler effect. Human body mechanics consist of various moving body parts, which generate unique micro-Doppler signatures. Using TFT (time frequency transforms and pattern recognition techniques; we can classify individuals based on their movements using micro-Doppler signatures. Preliminary results from a laboratory …
Published in Journal of Electronic Design Technology · Vol. 12, Issue 1, 2021 · pp. 1–9 Read article
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Design of Low Noise Transimpedance Amplifier using Multiple Feedback filter Topology
Abstract: This study presents the highly linear and low noise transimpedance amplifier (TIA) based on CMOS inverter as an amplifier within multiple feedback (MPFB) filter topology. Absence of complex analog circuitry and compatibility with widespread digital CMOS processes highlight this TIA topology asthe best choice in signal conditioning chains approaching analog-to-digital converters (ADCs). Special attention has been given to the TIA stability and compensation networks. Using dedicated low-dropout (LDO) regulator, the …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 1, 2022 · pp. 25–30 Read article
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Statistical Analysis of Air Pollution and Health: Application to Indian Data
Abstract: Rapid and unplanned urbanization and industrialization have resulted in the distortion of India’s air quality and also have created opportunities as well as problems. The problem of Air pollution is very severe in a majority of Indian cities. In the present study, the level of Air pollution concerning urban and vehicular population is studied. The data collected for the study is from various census reports, Central Pollution Control Boards indiastat.com …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 102–113 Read article
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Simulation and Analysis of Three Phase VSI using THIPWM and SVPWM Techniques
Abstract: AbstractPWM methods is the most active topic for controlling the power electronic circuit. Several PWM approaches are more and more applied in various innovative applications of power electronics in industries that need greater performance of the system. These days the most relevant PWM method for 3 - phase VSI are SPWM, THIPWM and SVPWM. Out of these three methods SPWM is one of the naivest modulation schemes that can gather …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 3, 2019 · pp. 16–30 Read article
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A Review on Emerging Topology of LUO Converter
Abstract: AbstractLUO converters are novel series of chopper which convert fix DC voltage into variable DC voltage magnitude. Converters are popular structure that conventionally implemented with regulation of voltage and having higher (THD) Total Harmonic Distortion, lower power factor for power transmitting process. For DC application LUO Converter topology can be favored. DC-DC chopper has advantages such as better output regulation, compact size, high efficiency, and minimum cost. This paper represents …
Published in Journal of Instrumentation Technology & Innovations · Vol. 10, Issue 2, 2020 · pp. 1–6 Read article
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A Study of Diabetic Retinopathy using Convolutional Neural Networks
Abstract: This paper focuses on study of rapid detection of retinopathy, since prompt therapy can help decrease as well as possibly eliminate loss of eyesight. Furthermore, automatically locating portions of the optic picture which may include lesions could aid professionals in their identification function. Retinopathy is a frequent diabetic condition that comprises changes in the retinal blood capillaries. Such changes may lead capillaries to rupture as well as release fluid, causing …
Published in Journal of Instrumentation Technology & Innovations · Vol. 12, Issue 2, 2022 · pp. 1–6 Read article
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Improvement of Power Quality & Voltage Profile Through the Optimal Placement of Artificial Intelligence based UPFC Controller
Abstract: Amidst the array of FACTS controllers, the Unified Power Flow Controller (UPFC) stands out as a distinguished member, renowned for its array of beneficial features. Recognized as among the most advanced FACTS devices, the UPFC excels in facilitating simultaneous control overactive and reactive power flow as well as voltage magnitude. FACTS devices are instrumental in managing power flow, enhancing transmission capacity, and optimizing power system stability. Increasing the capacity of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 13, Issue 3, 2023 · pp. 18–26 Read article
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Analysis of Cascaded Multilevel Inverter Induction Motor Drives
Abstract: The goal of this thesis is to use harmonic analysis to learn more about the performance of various cascaded multilevel inverters. To handle the high power demands of large electric drives and utility applications, innovative power electronics converters are required. As a result, in high power and medium voltage conditions, multiple power converter structures have been offered as an option. A multilayer converter not only achieves high power ratings, but …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 22–42 Read article
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Improved Unified Power Quality Conditioner Design and Numerical Simulation For Power Quality Improvement
Abstract: Harmonic currents can distort the waveform voltage, resulting in a weak signal. There is also an increase in the number of loads requiring enough sinus tension to function properly. As electronic devices become more power-sensitive, people are becoming increasingly interested in power conditioning solutions. Therefore, if the amount of electricity being generated falls below a certain threshold, some type of compensation must be provided. Unified Power Quality Controller (UPQC) is …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 52–60 Read article
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A Study of Flyback Microinverter Topologies for Photovoltaic Applications
Abstract: AbstractThe microinverter system plays an imperative role in photovoltaic applications. Nowadays a central inverter system is substituted by a microinverter. The flyback inverter has the following advantages such as transformer separation, high voltage step-up ratio, low volume, high reliability, and provides high efficiency and relatively simple control. This paper proposes a collation of different flyback inverter topologies operating under various control schemes. A single phase current source inverter with hybrid …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 1–10 Read article
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Harmonic Analysis of Single Phase Inverter
Abstract: AbstractIn this paper, study is carried out to investigate the THD of various voltage control signal techniques for single phase PWM inverter. The inverter is implemented using three pulse width modulation techniques- unipolar PWM, modified sine PWM and harmonic injection modulation. The performance of these control schemes are evaluated through simulation in MATLAB/SIMULINK. The obtained THD and fundamental magnitude of the output AC is tabulated.Keywords: Single phase inverter, pulse width …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 20–28 Read article