Browsing Electrical Engineering by Title
Now showing items 2077-2096 of 2616
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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, ... -
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 ... -
Quasi-sparsest solutions for quantized compressed sensing by graduated-non-convexity based reweighted ?1minimization
( European Signal Processing Conference, EUSIPCO , 2016 , Conference Paper)In this paper, we address the problem of sparse signal recovery from scalar quantized compressed sensing measurements, via optimization. To compensate for compression losses due to dimensionality reduction and quantization, ... -
QUCoughScope: An Intelligent Application to Detect COVID-19 Patients Using Cough and Breath Sounds
( MDPI , 2022 , Article)Problem-Since the outbreak of the COVID-19 pandemic, mass testing has become essential to reduce the spread of the virus. Several recent studies suggest that a significant number of COVID-19 patients display no physical ... -
Queue Discharge at Freeway On-Ramps Using Coordinated Operation of a Ramp Meter and an Upstream Traffic Signal
( Elsevier , 2020 , Conference Paper)Ramp metering is an effective way of maintaining optimum traffic conditions and mitigating congestion on freeways. Several strategies for ramp metering exist in the literature. They are typically based on the freeway traffic ... -
Queueing Analysis of Incentive-Based Extreme Edge Service Systems
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)In Edge Computing, computation is pushed towards the end-user to reduce backhaul load, address nascent privacy issues, and enable a range of low latency applications. Extreme Edge Service systems (EES) are a subset of Edge ... -
R-wave detection: A comparative analysis of four methods using newborn piglet ECG
( IEEE , 2010 , Conference Paper)In the electrocardiograph (ECG), R-wave is the positive upward deflection in the QRS complex which represents the depolarization of both left and right ventricles. Accurate detection of the R-wave peaks in the ECG plays a ...