Browsing Electrical Engineering by Title
Now showing items 1658-1677 of 2498
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Novel Level Shifted PWM Technique for Unequal and Equal Power Sharing in Quasi Z-Source Cascaded Multilevel Inverter for PV Systems
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Conventional phase-shifted pulsewidth modulation (PS-PWM) is a usual switching technique for Z-source/quasi-Z-Source (qZS)-based cascaded multilevel inverters (CMIs) (qZS-CMIs). The PS-PWM scheme causes higher switching ... -
Novel level-shifted PWM technique for cascaded multilevel quasi-impedance source inverter
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In a multilevel quasi-impedance source inverter (qZSI), phase-shifted carrier pulsewidth modulation (PS-PWM) is the most popular modulation method as it offers advantages such as simple implementation and evenly powered ... -
Novel Level-Shifted PWM Technique for Equal Power Sharing among Quasi-Z-Source Modules in Cascaded Multilevel Inverter
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Phase-shifted pulsewidth modulation (PS-PWM) is a well-known switching technique for quasi-Z-source (qZS)-based cascaded multilevel inverters (qZS-CMI). PS-PWM ensures equal power distribution (among operating modules) and ... -
Novel linearizer for tangent/cotangent converter
( IEEE , 2009 , Conference Paper)Resolvers and other types of sinusoidal encoders provide electrical signals whose amplitudes are related to the sine and cosine of the mechanical shaft angle ¿ over the full 360° range. The tangent/cotangent converter, ... -
A novel method for estimating the angle from analog co-sinusoidal quadrature signals
( Elsevier , 2008 , Article)The paper presents a new low cost and accurate method for determining the angle from sine and cosine signals produced by resolvers and sinusoidal encoders. In the proposed scheme, multiple phase-shifted sinusoids (PSS) are ... -
A novel model predictive control with an integrated SOC and floating DC-link voltage balancing for 3-phase 7-level PUC converter-based MV BESS
( Elsevier , 2021 , Article)Compared to conventional multilevel topologies, the Packed U-Cell multilevel topology utilizes the minimum number of components and provides both maximum voltage levels and high reliability. When used in a battery energy ... -
A novel multilevel carrier-based PWM-control method for GTO inverter in low index modulation region
( IEEE , 2006 , Article)Gate turn offs (GTOs) have an inherent minimum ON-OFF time, which is needed for their safe operation. For GTO-based three-level or neutral-point-clamped (NPC) inverters, this minimum ON-OFF pulsewidth limitation results ... -
Novel PWM Technique for Quasi Switched Boost Converter for the Nano-grid Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Scaled down version of the Micro grid is nanogrid, where each residential home, commercial building etc. are optimized and power is shared between the Battery Energy Storage (BES) and the utility grid. The recently proposed ... -
Novel re-configurable topologies of SLC based high gain DC-DC converters
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Standalone renewable sources such as PV (Photovoltaic) and FC (Fuel cells) are often employed as input sources to supply high voltage DC buses of microgrids. Conventional DC-DC converter used as interlinking device would ... -
A Novel Resolver-to-360° Linearized Converter
( IEEE , 2004 , Article)A novel and simple resolver-to-dc converter is presented. It is shown that by appropriate processing of the sine and cosine resolver signals, the proposed converter may produce an output voltage proportional to the shaft ... -
Novel selective OFDM-based cooperative techniques for multi-hop systems
( Elsevier B.V. , 2015 , Article)In multi-hop systems, the theoretical outage probabilities and diversity orders of novel Orthogonal Frequency Division Multiplexing (OFDM) based Decode and Forward (DF) cooperative techniques are derived for different ... -
Novel sensorless sliding mode observer of a five-phase permanent magnet synchronous motor drive in wide speed range
( Springer Verlag , 2017 , Book chapter)This paper proposes a novel sliding mode observer (SMO) to achieve the sliding mode observer (SMC) for a five-phase permanent magnet synchronous motor (PMSM) in wide speed range. The structure of the proposed SMO is described ... -
Novel shunt-less filters for grid-connected transformerless photovoltaic applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)The existing ground leakage current suppression methodologies are effective when Photovoltaic (PV) arrays' stray capacitors are small (in several nano-Farads). In such case, the High Frequency (HF) content of the inverter's ... -
Novel Task Allocation Method for Emergency Events under Delay-Cost Tradeoff
( IEEE , 2022 , Conference Paper)With the emergence of three new paradigms, namely the Internet of Things (IoT), cloud/edge computing and mobile social networks; Mobile Crowd Sensing (MCS) has emerged as a potential approach for data collecting in numerous ... -
Novel techniques for improving NNetEn entropy calculation for short and noisy time series
( Springer Science and Business Media B.V. , 2023 , Article)Entropy is a fundamental concept in the field of information theory. During measurement, conventional entropy measures are susceptible to length and amplitude changes in time series. A new entropy metric, neural network ... -
Novel voltage balancing algorithm for single-phase cascaded multilevel inverter for post-module failure operation in solar photovoltaic applications
( Institution of Engineering and Technology , 2019 , Article)Four cascaded quasi-impedance source inverter (qZSI) modules are required for achieving nine-level output voltage waveform. In case of one module failure, number of levels in output voltage are reduced to seven. This leads ... -
NPRP 4-1303-2- 517- Progress Report Number 5- "Automated Neonatal EEG quality assessment and improvement using artefact filtering and signal segmentation"
(2015 , Report)This is a progress report for the project NPRP 4 - 1303 - 2 – 517- Progress Report Number 5- "Automated Neonatal EEG quality assessment and improvement using artefact filtering and signal segmentation" -
NPRP 4-1303-2-517- Progress Report Number 6- "Automated Neonatal EEG quality assessment and improvement using artefact filtering and signal segmentation"
(2016 , Report)This is a progress report on the project NPRP 4 - 1303 - 2 – 517- Progress Report Number 6- "Automated Neonatal EEG quality assessment and improvement using artefact filtering and signal segmentation" -
NPRP 6-885-2-364 - Progress Report Number 5- "Localization of EEG Abnormalities for Improving Brain Monitoring of Newborn Babies at Risk of Brain Injury using a multichannel time-frequency signal processing approach"
(2017 , Report)This is a progress report for the project NPRP 6 - 885 - 2 – 364 - Progress Report Number 5- Localization of EEG Abnormalities for Improving Brain Monitoring of Newborn Babies at Risk of Brain Injury using a multichannel ... -
NPRP 6-885-2-364- Progress Report Number 4- "Localization of EEG Abnormalities for Improving Brain Monitoring of Newborn Babies at Risk of Brain Injury using a multichannel time-frequency signal processing approach"
(2016 , Report)This is a project report on the project NPRP 6 - 885 - 2 – 364 - Progress Report Number 4- Localization of EEG Abnormalities for Improving Brain Monitoring of Newborn Babies at Risk of Brain Injury using a multichannel ...