Browsing Electrical Engineering by Title
Now showing items 2070-2089 of 2616
-
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) ... -
Pulse-width modulation of power electronic DC-AC converter
( wiley , 2021 , Book chapter)The pulse-width modulation (PWM) technique is applied in the inverter (DC-AC converter) to output an AC waveform with variable voltage and variable frequency for use in mostly variable speed motor drives. This chapter ... -
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 ... -
QU-GM: An IoT Based Glucose Monitoring System from Photoplethysmography, Blood Pressure, and Demographic Data Using Machine Learning
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)Patients with hyperglycemia require routine glucose monitoring to effectively treat their condition. We have developed a lightweight wristband device to capture Photoplethysmography (PPG) signals. We collected PPG signals, ... -
"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 ... -
Quality Estimation for Scarce Scenarios within Mobile Crowdsensing Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Mobile crowdsensing (MCS) is a paradigm that exploits the presence of a crowd of moving human participants to acquire, or generate, data from their environment. As a part of the Internet-of-Things (IoT) paradigm, MCS serves ... -
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, ...