Browsing College of Engineering by Title
Now showing items 3862-3881 of 8107
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Hierarchy based information requirements for sustainable operations of buildings in Qatar
( Elsevier , 2017 , Article)Information flows in construction projects are generally focused on the needs of the design and construction phases. This creates disruption of workflows across the project stages and in particular with the information ... -
Hierarchy based information requirements for sustainable operations of buildings in Qatar
( Elsevier Ltd , 2017 , Article)Information flows in construction projects are generally focused on the needs of the design and construction phases. This creates disruption of workflows across the project stages and in particular with the information ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
High Brightness and High Voltage Dimmable LED Driver for Advanced Lighting System
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In energy efficient system designs, LED lighting leads to reduction in global energy demand. This paper proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC ... -
High capacity carbon dioxide adsorption by inexpensive covalent organic polymers
( Royal Society of Chemistry , 2012 , Article)Efficient CO2 scrubbing without a significant energy penalty remains an outstanding challenge for the fossil fuel-burning industry where aqueous amine solutions are still widely used. Porous materials have long been evaluated ... -
High frequency transformer based improved gamma ZSI with lossless snubber
( IEEE , 2018 , Conference Paper)© 2018 IEEE. This paper presents an improved single phase high frequency isolated gamma Z-source inverter (ZSI) with clamped diode. It consists of a high frequency transformer between the inverter bridge and load. A lossless ... -
High gain observer for a three-cell chopper: Design and experimental results
( John Wiley & Sons, Ltd. , 2014 , Article)As capacitor voltages are necessary for the three-cell DC�DC chopper control, the estimation of such voltages by an observer is attractive solution in terms of cost. However, due to the hybrid behavior of this structure, ... -
High gain switched-inductor-double-leg converter with wide duty range for dc microgrid
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In a dc microgrid, efficient high gain converters are needed to raise the voltage level of low voltage power sources such as photovoltaic, fuel cells, etc. In this article, a high-gain switched-inductor-double-leg converter ... -
High gain three-state switching hybrid boost converter for DC microgrid applications
( Institution of Engineering and Technology , 2019 , Article)A novel high gain three-state switching hybrid boost (TSS-HB) converter for DC microgrid applications is proposed in this study. The TSS-HB converter is developed from a conventional boost converter with voltage lift ... -
High Gain Transformer-Less Double-Duty-Triple-Mode DC/DC Converter for DC Microgrid
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)High-gain DC/DC converters with high efficiency are needed in dc microgrid owed to the low voltage of power sources, e.g., photovoltaic-cell and fuel-cell. This paper proposed a new high-gain double-duty-triple-mode (DDTM) ... -
High Level Synthesis Based E-Nose System for Gas Applications
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper proposes a hardware/software co-design approach using the Zynq platform for the implementation of an electronic nose (EN) system based on principal component analysis (PCA) as a dimensionality reduction technique ... -
High performance backstepping control of a fivephase induction motor drive
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Multiphase electric drives have been investigated and proposed for applications where the highest overall system reliability and the reduction in the total power per phase are required. This paper deals with the high ... -
High performance CO2 filtration and sequestration by using bromomethyl benzene linked microporous networks
( Royal Society of Chemistry , 2016 , Article)Porous solid sorbents have been investigated for the last few decades to replace the costly amine solution and explore the most efficient and economical material for CO2 capture and storage. Covalent organic polymers (COPs) ... -
High Performance Control of AC Drives with MATLAB®/Simulink
( wiley , 2021 , Book)The Second Edition of High Performance Control of AC Drives with Matlab®/Simulink delivers an updated and thorough overview of topics central to the understanding of AC motor drive systems. The book includes new material ... -
High performance EEG feature extraction for fast epileptic seizure detection
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Epilepsy is a neurological disorder that affects around 70 million people worldwide. Early detection of epileptic seizures has the potential to help patients in improving their quality of life. Electroencephalogram (EEG) ... -
High performance ordered nanoporous membranes from block copolymers
( Elsevier , 2012 , Conference Paper)[No abstract available] -
A high precision resolver-to-DC converter
( IEEE , 2005 , Article)A newly developed resolver converter, providing a pseudolinear voltage proportional to the shaft angle, is presented. This converter is based on a new concept involving the absolute values of the demodulated sine and cosine ... -
High pressure CO2 absorption studies on imidazolium-based ionic liquids: Experimental and simulation approaches
(2013 , Article)A combined experimental-computational study on the CO2 absorption on 1-butyl-3-methylimidazolium hexafluophosphate, 1-ethyl-3-methylimidazolium bis[trifluoromethylsulfonyl]imide, and 1-butyl-3-methylimidazolium ... -
High purity/recovery separation of propylene from propyne using anion pillared metal-organic framework: Application of vacuum swing adsorption (vsa)
( MDPI AG , 2021 , Article)Propylene is one of the world’s most important basic olefin raw material used in the production of a vast array of polymers and other chemicals. The need for high purity grade of propylene is essential and traditionally ... -
High step-up single switch quadratic modified SEPIC converter for DC microgrid applications
( Institution of Engineering and Technology , 2020 , Article)A new non-isolated high-voltage gain single switch quadratic modified single-ended primary-inductor capacitor (SEPIC) DC-DC converter is proposed in this study. The proposed converter consists of a modified SEPIC converter ...