Browsing by Title
Now showing items 17405-17424 of 48903
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Novel LCL filter for non-isolated photovoltaic inverters with CM current trapping capability for weak grids
( IEEE , 2018 , Conference Paper)© 2018 IEEE. In this work, a novel LCL filter topology for non-isolated Photovoltaic (PV) applications is developed. This topology has the ability to trap the High-Frequency (HF) Common Mode (CM) current inside the PV ... -
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 LiAlO2 Material for Scalable and Facile Lithium Recovery Using Electrochemical Ion Pumping
( MDPI , 2023 , Article)In this study, α-LiAlO2 was investigated for the first time as a Li-capturing positive electrode material to recover Li from aqueous Li resources. The material was synthesized using hydrothermal synthesis and air annealing, ... -
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, ... -
Novel Method for Assessing Moisture Damage in Asphalt Mixtures
( Qatar Univesrity Press , 2020 , Conference Paper)Moisture damage is a major cause of early pavement deterioration and often accelerates other distresses such as rutting, fatigue cracking, and raveling. Water infiltrates into the pavement structure through the cracks and ... -
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 ... -
Novel Method for the production of Water from Humid Environment of Qatar
( Qatar University Press , 2020 , Poster)Water scarcity is the major challenge of the upcoming decades for the entire world. Middle eastern nations are prone to water scarcity due to very less rainfall, scarce fresh water sources, sandy surrounding and harsh humid ... -
A novel method to generate key-dependent s-boxes with identical algebraic properties
( Elsevier , 2022 , Article)The s-box plays the vital role of creating confusion between the ciphertext and secret key in any cryptosystem, and is the only nonlinear component in many block ciphers. Dynamic s-boxes, as compared to static, improve ... -
Novel methodology for facile fabrication of nanofiltration membranes based on nucleophilic nature of polydopamine
( Elsevier B.V. , 2016 , Article)Novel methodology for facilely fabricating nanofiltration (NF) composite membrane has been successfully developed by employing nucleophilic nature of polydopamine (PDA) chemistry. The self-polymerized PDA coating over ... -
Novel miniaturized sensors for potentiometric batch and flow-injection analysis (FIA) of perchlorate in fireworks and propellants
( Elsevier B.V. , 2014 , Article)Three planar miniaturized perchlorate membrane sensors (3×5mm2) are prepared using a flexible Kaptan substrate coated with nitron-perchlorate (NT-ClO4) [sensor 1], methylene blue-perchlorate (MB-ClO4) [sensor II] and ... -
Novel Mixed EWMA Dual-Crosier CUSUM Mean Charts without and with Auxiliary Information
( Hindawi Limited , 2022 , Article)The classical cumulative SUM (CUSUM) chart is commonly used to monitor a particular size of the mean shift. In many real processes, it is assumed that the shift level varies within a range, and the exact level of the shift ... -
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 ... -
A Novel Mutation (Q694X) in the ITGB3 Gene Causing Glanzmann’s Thrombasthenia from the Sultanate of Oman
( The American Society of Hematology , 2008 , Article)Background: Glanzmann Thrombasthenia (GT) results from mutations in the genes ITGA2B and ITGB3, located on chromosome 17q21–23 which encodes the platelet glycoprotein αIIbβ3 complex, namely GPIIb (αIIb) and GPIIIa (β3), ... -
Novel mutation in an Egyptian patient with infantile Canavan disease.
( Springer Verlag (Germany) , 2016 , Article)Canavan disease (CD) is a rare fatal childhood neurological autosomal recessive genetic disease caused by mutations in the ASPA gene, which lead to catalytic deficiency of the ASPA enzyme that catalyzes the deacetylation ... -
A novel Muth generalized family of distributions: Properties and applications to quality control
( AIMS Press , 2023 , Article)In this paper, we propose a novel family of distributions called the odd Muth-G distributions by using Transformed-Transformer methodology and study their essential properties. The distinctive feature of the proposed family ... -
Novel Ni based duplex coatings for anticorrosion applications
( Electrochemical Society Inc. , 2017 , Conference Paper)Ni-B/Ni-P-CeO2 duplex coatings containing inner Ni-B layer were synthesized on mild steel substrate through the electrodeposition process. The structural, surface and electrochemical properties of the duplex coatings in ... -
Novel Ni-B/AlN nanocomposite coatings for oil and gas industry
( National Assoc. of Corrosion Engineers International , 2018 , Conference Paper)Corrosion is a major cause of materials and equipment failure in the oil and gas industry, and its prevention is crucial to ensure reliability of the assets. Towards, this goal, Ni-B/AlN nanocomposite coatings were synthesized ...
