Browsing by Title
Now showing items 1449-1468 of 50233
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A survey on recent approaches in intrusion detection system in IoTs
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Internet of Things (IoTs) are Internet-connected devices that integrate physical objects and internet in diverse areas of life like industries, home automation, hospitals and environment monitoring. Although IoTs ease daily ... -
A survey on selfreported handling practices and food safety knowledge of workers at the major produce market in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Food handling practices (FHP) is one of the most important stage where microbes can be introduced into produce through the infected food handlers or by cross-contamination. The fresh produce market in Doha, Qatar is the ... -
A survey on service function chaining
( Academic Press , 2016 , Article)Cloud computing is gaining significant attention and virtualized datacenters are becoming popular as a cost-effective infrastructure. The network services are transitioning from a host-centric to a data-centric model moving ... -
A survey on the awareness and attitude of pharmacists and doctors towards the application of pharmacogenomics and its challenges in Qatar
( John Wiley & Sons, Ltd. , 2015 , Article)RATIONALE, AIMS AND OBJECTIVES: Pharmacists are expected to play an important role in applying pharmacogenomics discoveries to patient care. Despite the increased attention to genetic research in Qatar, clinicians' attitudes ... -
A Survey on the Awareness and Attitude of Physicians on Direct Oral Anticoagulants in Qatar
( SAGE Publications Inc. , 2018 , Article)Direct oral anticoagulants (DOACs) are more commonly prescribed since their introduction. Reports on inappropriate prescribing have been observed which may indicate poor awareness on these agents. In this study, we aim to ... -
A sustainable approach to synthesize phosphonated chitosan using ball milling and its application for oilfield scale management
( Royal Society of Chemistry , 2022 , Article)For many years, the oil and gas industry has strived to develop environmentally friendly organophosphorus-based scale inhibitors. The natural polymer chitosan has recently gained significant importance for various upstream ... -
A Switched Capacitor Triple Boost Single-Source Thirteen-level Inverter
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)Switched capacitor (SC) networks are generally used to increase the voltage gain of inverters. This work proposes a single-phase switched capacitor multilevel inverter (MLI) capable of producing 13 levels of output voltage ... -
A Switched Capacitor-Based 13-Level Inverter With Reduced Switch Count
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)In this article, a 13-level switched capacitor multilevel inverters (SC-MLI) based single-phase inverter is proposed in which desired levels of output ac voltage are realized with reduced number of switch counts. The ... -
A switched PV approach for extracted maximum power enhancement of PV arrays during partial shading
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)This paper proposes a switched photovoltaic (PV) approach to enhance the extracted maximum power from a PV array during partial shading conditions. The proposed system is simple and cost effective. However, it may provide ... -
A Switched-Capacitor Based Multilevel Inverter with Extendable Levels having Enhanced Voltage Gain for Renewable Energy Applications
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)Various Switched-Capacitor based Multilevel Inverters (SCMLI) are suggested in literature. These converters can, however, provide fixed levels of ac output voltage. A higher number of renewable energy units must be linked ... -
A switched-capacitor multilevel inverter topology employing a novel variable structure nearest-level modulation
( John Wiley and Sons Ltd , 2021 , Article)This article introduces a nine-level switched-capacitor multilevel inverter with twice voltage boosting feature. It also aims at proposing a novel variable structure nearest-level modulation scheme that has been implemented ... -
A Switched-Capacitor Submodule for Modular Multilevel HVDC Converters with DC-Fault Blocking Capability and a Reduced Number of Sensors
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Modular multilevel converters (MMCs) have become one of the most promising topologies for high-voltage dc-ac conversion. DC-side fault blocking capability of the MMC has prompted significant research in recent years. In ... -
A Switching-Gain Controller for Grid-Connected MMC Complying with Voltage Ride-Through Requirements
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Connecting high-power Renewable Energy Sources (RESs) to the utility grid has to be secured considering international standards to guarantee the efficiency, reliability, and stability of the power system. Redundancy, ... -
A synchronous DQ frame controller via an LCL coupled filter under unbalanced three-phase voltage supply conditions
( IEEE , 2011 , Conference Paper)This paper proposes a synchronous DQ frame current controller for inverter based interfaced systems. The grid voltage may be unbalanced, possibly due to unequal line impedance. The output active and reactive powers oscillate ... -
A Synergetic Trust Model Based on SVM in Underwater Acoustic Sensor Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Underwater acoustic sensor networks (UASNs) have been widely applied in underwater scenarios where numerous anchoring or floating sensor nodes collaborate in performing some specific assignments, such as information ... -
A system thinking approach for harmonizing smart and sustainable city initiatives with United Nations sustainable development goals
( John Wiley and Sons Ltd , 2020 , Article)Technology has indispensably been a part of the city evolution throughout history. In recent years, there has been a shift in the pattern of development in smart cities, where smart cities attempt to embrace practices of ... -
A systematic approach for design and simulation of monoethylene glycol (MEG) recovery in oil and gas industry
( John Wiley and Sons Ltd , 2020 , Article)Monoethylene glycol (MEG) is a widely used hydrate inhibitor in the oil and gas industry to reduce the risk of hydrate formation in pipelines that could cause a blockage. For flow assurance and hydrate inhibition purposes, ... -
A systematic approach to design task-specific ionic liquids and their optimal operating conditions
( Royal Society of Chemistry , 2016 , Article)Carbon capture and storage (CCS) has gained great interest in recent years as a potential technology to mitigate industrial carbon dioxide (CO2) emissions. Ionic liquids (ILs) were identified as potential CO2 capturing ... -
A systematic approach to the design and characterization of a smart insole for detecting vertical ground reaction force (vGRF) in gait analysis
( MDPI AG , 2020 , Article)Gait analysis is a systematic study of human locomotion, which can be utilized in various applications, such as rehabilitation, clinical diagnostics and sports activities. The various limitations such as cost, non-portability, ... -
A systematic mapping review exploring 10 years of research on supply chain resilience and reconfiguration
( Taylor and Francis Ltd. , 2022 , Article)Supply chain resilience and reconfiguration are emerging disciplines that allow supply chains to recover from events and quickly return to normal or equilibrium levels of operations. This paper aims to provide a systematic ...
