Browsing Electrical Engineering by Title
Now showing items 1982-2001 of 2498
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Pulse Width Modulation of Power Electronic DC-AC Converter
( John Wiley & Sons, Ltd , 2012 , Book chapter) -
Pulse width modulation technique for a three-to-five phase matrix converter with reduced commutations
( Institution of Engineering and Technology , 2016 , Article)Variable-speed multiphase drive systems have become an increasingly important topics compared with conventional three-phase one due to their distinct advantages. This study presents a new pulse width modulation (PWM) ... -
Purpose of the book and editorial perspectives
( Springer International Publishing , 2015 , Book chapter)Engineering and engineering education play an essential role in the Middle East. Global debates regarding roles of engineering and required transformations in engineering education have been extensive during the past few ... -
PV power prediction in Qatar based on machine learning approach
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)PV output power is highly sensitive to many environmental parameters, hence, power available from plants based on this technology will be affected, especially in harsh environments such that of Gulf countries. In order to ... -
PV/Battery Grid Integration Using a Modular Multilevel Isolated SEPIC-Based Converter
( MDPI , 2022 , Article)Photovoltaic (PV) plants can be built rapidly when compared with other conventional electrical plants; hence, they are a competent candidate for supplying the electricity grid. The output power of the PV modules can be ... -
PWM scheme for dual matrix converters based five-phase open-end winding drive
( IEEE , 2013 , Conference Paper)The paper present simple carrier-based pulse width modulation scheme for three to five-phase matrix converters feeding a five-phase machine from both ends. The two matrix converters feeding a five-phase induction machine ... -
PyGOP: A Python library for Generalized Operational Perceptron algorithms
( Elsevier B.V. , 2019 , Article)PyGOP provides a reference implementation of existing algorithms using Generalized Operational Perceptron (GOP), a recently proposed artificial neuron model. The implementation adopts a user-friendly interface while allowing ... -
Q-Learning Based Closed-Loop Control of Anesthesia Administration by Accounting for Hemodynamic Parameter Variations
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Critically ill patients in the intensive care units (ICUs) are often in acutely disturbed state of mind characterized by restlessness, illusions, and nervousness. Such patients, for instance, those who are mechanically ... -
Qatar Green Schools Initiative: Energy Management System with Cost-Efficient and Lightweight Networked IoT
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)With the growing need of developing real-time energy management and automation systems, building energy efficiency is of large focus in recent research. In particular, school buildings require special attention to occupants' ... -
QoE-oriented resource efficiency for 5G two-tier cellular networks: A femtocaching framework
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Video streaming applications and services (VASs) consume an enormous amount of scarce resources in mobile devices and cellular wireless networks due to the demand for high data rates of video streaming. The limited resource ... -
"Quad-band flexible magnesium zinc ferrite (MgZnFe2O4)-based double negative metamaterial for microwave applications"
( Elsevier , 2021 , Article)This article presents vertically coupled, rectangular complementary split-ring resonator-shaped quad-band double-negative (DNG) metamaterial unit cells, that is, having both negative permittivity and permeability, which ... -
Quadruple Boost Multilevel Inverter (QB-MLI) Topology with Reduced Switch Count
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Multilevel inverter concepts (MLIs) with switched capacitor (SC) are emerging due to their scope in sustainable energy systems as well as high-voltage applications. In the SC technique, required voltage levels can be ... -
Quantification of carcinogenic odor of formaldehyde with electronic nose technologyd
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Based on recent experimental discoveries about a link between the length of exposure to formaldehyde and cancers of the lymphatic and hematopoietic systems, we present a low-cost and compact solution for monitoring ... -
Quantification of pv power and economic losses due to soiling in Qatar
( MDPI , 2021 , Article)Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. ... -
Quantification of the growth suppression of HER2+ breast cancer colonies under the effect of trastuzumab and PD-1/PD-L1 inhibitor.
( Frontiers Media , 2022 , Article)Immune checkpoint blockade (ICB)-based therapy is revolutionizing cancer treatment by fostering successful immune surveillance and effector cell responses against various types of cancers. However, patients with HER2+ ... -
Quartz crystal microbalance electronic interfacing systems: A review
( MDPI AG , 2017 , Article Review)Quartz Crystal Microbalance (QCM) sensors are actively being implemented in various fields due to their compatibility with different operating conditions in gaseous/liquid mediums for a wide range of measurements. This ... -
Quasi seven-level operation of multilevel converters with selective harmonic elimination
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Generally, selective harmonic elimination (SHE) complexity for multilevel inverters increases with the increase in number of levels. In this paper, a novel approach for SHE is introduced. This approach is based on cancelling ... -
Quasi two-level operation of modular multilevel converter for use in a high-power DC transformer with DC fault isolation capability
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)DC fault protection is one challenge impeding the development of multiterminal dc grids. The absence of manufacturing and operational standards has led to many point-to-point HVDC links built at different voltage levels, ... -
Quasi two-level PWM operation of a nine-arm modular multilevel converter for six-phase medium-voltage motor drives
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)This paper proposes a hybrid converter for medium-voltage six-phase machine drive systems that mixes the operation of a traditional two-level voltage-source inverter and the modular multilevel converter (MMC) to enable ... -
Quasi Z Source Inverter Fed V/f Controlled Five Phase Induction Motor Drive Powered
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Impedance Source Inverters are extremely popular these days. They offer simultaneous boosting of input voltage applied as well as inversion operation. The converter achieves this by means of a specially designed impedance ...