Browsing Electrical Engineering by Title
Now showing items 1273-1292 of 2464
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Implementation and reliability analysis of a new transformerless high-gain DC-DC converter for renewable energy applications
( John Wiley and Sons Inc , 2022 , Article)In this paper, a new high-gain quadratic boost DC-DC converter is proposed for a DC microgrid. The converter has a voltage multiplier cell made up of switched inductors to obtain a high voltage at the output. It has a ... -
Implementation of iterative learning control based deadtime compensation for PWM inverters
( IEEE , 2015 , Conference Paper)Deadtime effects in PWM inverters are nonlinear and depend on the switching frequency of the inverters and the types of power devices, snubber circuits, and loads. Several deadtime compensation methods were proposed in the ... -
Important complexity reduction of random forest in multi-classification problem
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Algorithm complexity in machine learning problems has been a real concern especially with large-scaled systems. By increasing data dimensionality, a particular emphasis is placed on designing computationally efficient ... -
Improved characterization of HRV signals based on instantaneous frequency features estimated from quadratic time-frequency distributions with data-adapted kernels
( Elsevier Ltd , 2014 , Article)The analysis of heart rate variability (HRV) provides a non-invasive tool for assessing the autonomic regulation of cardiovascular system. Quadratic time-frequency distributions (TFDs) have been used to account for the ... -
Improved Domain Adaptation Approach for Bearing Fault Diagnosis
( IEEE Computer Society , 2022 , Conference Paper)Application of domain adaptation techniques to predictive maintenance of modern electric rotating machinery (RM) has significant potential with the goal of transferring or adaptation of a fault diagnosis model developed ... -
Improved electrochemical performance of SiO2-coated Li-rich layered oxides-Li1.2Ni0.13Mn0.54Co0.13O2
( Springer , 2020 , Article)Lithium-rich layered oxides (LLOs) such as Li1.2Ni0.13Mn0.54Co0.13O2 are suitable cathode materials for future lithium-ion batteries (LIBs). Despite some salient advantages, like low cost, ease of fabrication, high capacity, ... -
Improved engine performance and significantly reduced greenhouse gas emissions by fumigating hydrogen in a diesel engine
( Elsevier Ltd , 2022 , Article)A thermodynamic model was developed for combustion, performance, and emissions with a reference diesel fuel, a 10 vol% methanol blend with 90 vol% diesel, a 10 vol% ethanol with 90 vol% diesel and a 4% hydrogen fumigating ... -
Improved power quality operation of symmetrical and asymmetrical multilevel inverter using invasive weed optimization technique
( Elsevier , 2022 , Article)Low switching frequency pulse width modulation (PWM) technique for modulation and control of multilevel inverter in medium voltage high power applications is preferred in order to reduce the switching losses. In this ... -
An improved predictive control approach for Multilevel Inverters
( IEEE , 2013 , Conference Paper)This paper proposes a flexible predictive control strategy for flying capacitors based Multi-Level Inverters (MLIs). The proposed controller, applied for a Flying Capacitors Inverter (FCI) and a Modular Multilevel Converter ... -
An improved real-time digital feedback control for grid-tie multilevel inverter
( IEEE , 2013 , Conference Paper)This paper proposes a weighted Real-Time Digital Feedback Control for a grid connected Distributed Generation (DG) system (gas turbines, fuel cells, photovoltaic, wind.). The DG source is connected to the grid through a ... -
Improved relay selection for decode-and-forward cooperative wireless networks under secrecy rate maximization
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Privacy and security have an increasingly important role in wireless networks. A secure communication enables a legitimate destination to successfully retrieve information sent by a source, while it disables the eavesdropper ... -
An improved SVPWM method for multilevel inverters
( IEEE , 2012 , Conference Paper)This paper proposes a new general Space Vector PWM (SVPWM) method for Multi-Level Inverters (MLI) based on a generalization of dwell-times calculation. The presented scheme is developed for Cascaded H-Bridge (CHB) inverter. ... -
Improvement in the photovoltaic properties of hybrid solar cells by incorporating a QD-composite in the hole transport layer
( Royal Society of Chemistry , 2016 , Article)A hybrid solar cell (HSC) based on a ZnSe and CdSe QDs-composite with improved conversion efficiency has been demonstrated. A novel approach of incorporating a QDs-composite (CdSe and ZnSe QDs simultaneously), in the ... -
Improvement of humidity sensing properties of PVDF-TiO2 nanocomposite films using acetone etching
( Elsevier B.V. , 2019 , Article)In this work, we enhanced the humidity sensing properties of the polyvinylidene fluoride titanium dioxide (PVDF-TiO2) nanocomposites based capacitive humidity sensors by modifying the film surface. The surface morphology ... -
Improving DOA Estimation Algorithms Using High-Resolution Quadratic Time-Frequency Distributions
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)This paper addresses the problem of direction of arrival (DOA) estimation and blind source separation (BSS) for nonstationary signals in the underdetermined case. These two problems are strongly related to the mixing matrix ... -
Improving In-Home Appliance Identification Using Fuzzy-Neighbors-Preserving Analysis Based QR-Decomposition
( Springer Science and Business Media Deutschland GmbH , 2021 , Conference Paper)This paper proposes a new appliance identification scheme by introducing a novel approach for extracting highly discriminative characteristic sets that can considerably distinguish between various appliance footprints. In ... -
Improving participation of doubly fed induction generator in frequency regulation in an isolated power system
( Elsevier Ltd , 2018 , Article)An increasing penetration of renewable power resources (particularly wind farms) is observed in power systems during the last years. There is a frequency control concern with these kinds of power resources because they do ... -
Improving performance of deblocking techniques using image fusion
(2012 , Conference Paper)Block based transform coding is the most popular technique for image and video compression. However, images compressed using block based algorithms exhibit blocking which is one of the most annoying artifacts in compressed ... -
Improving the classification of newborn EEG time-frequency representations using a combined time-frequency signal and image approach
(2012 , Conference Paper)This paper presents new time-frequency (T-F) features to improve the classification of non-stationary signals such as EEG signals. Previous methods were based only on signal features that were derived from the instantaneous ... -
An Incentivized and Optimized Dynamic Mechanism for Demand Response for Managing Voltage in Distribution Networks
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)The voltage regulation in distribution networks is one of the major obstacles when increasing the penetration of distributed generators (DGs) such as solar photovoltaics (PV), especially during cloud transients, causing ...