Browsing Qatar University Institutional Repository by Title
Now showing items 13899-13918 of 27188
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MODELING, DESIGN, AND IMPLEMENTATION OF HIGH GAIN POWER ELECTRONIC DC-DC CONVERTERS FOR NANOGRID APPLICATIONS
(2022 , Dissertation)Nanogrids are nothing but power distribution systems that are based on renewable energy sources and are apt for low-power home applications. Nanogrids are considered to be the building cells of a Microgrid. Nanogrid is ... -
Modeling, impedance design, and efficiency analysis of quasi-Z source module in cascaded multilevel photovoltaic power system
( IEEE , 2014 , Article)The quasi-Z source (qZS) cascaded multilevel inverter (CMI) (qZS-CMI) presents attractive advantages in application to photovoltaic (PV) power system. Each PV panel connects to an H-bridge qZS inverter (qZSI) to form a ... -
Modeling, integration, and optimal selection of the turbine technology in the hybrid wind-photovoltaic renewable energy system design
( Elsevier , 2020 , Article)Electric power demand in the remote areas can be effectively supplied by the renewable resources. In this context, hybrid wind-photovoltaic systems have attracted more attention due to the system cost reduction and higher ... -
Modeling, simulation and control of a scheibel liquid–liquid contactor: Part 1. Dynamic analysis and system identification
( Elsevier B.V. , 2004 , Article)The liquid–liquid extraction process is well-known for its complexity and often entails intensive modeling and computational efforts to simulate its dynamic behaviour. However, rigorous mathematical models are usually ... -
Modeling, simulation and control of a scheibel liquid–liquid contactor: Part 2. Model-based control synthesis and design
( Elsevier B.V. , 2004 , Article)This study describes an application of model-based control techniques to a liquid–liquid extraction process. The control design is based on a reduced order model of the process obtained by system identification. A multi-loop ... -
Modelling and analysis of a three-phase to five-phase transformer
( Walter de Gruyter GmbH , 2014 , Article)Multi-phase systems are the focus of research in recent times due to their inherent advantages compared to the three-phase counterpart. A lot of research effort has been put to develop commercially feasible multi-phase ... -
Modelling and Analysis of Power Electronic Converters for EV Charging/Discharging for G2V, V2G and V2X Operations
( Qatar University Press , 2021 , Poster)The research work deals with the implementation of various chargers used for electric vehicles in the context of Qatar. These chargers are categorized as slow, fast, and super-fast chargers. The electric vehicles not only ... -
Modelling and compensation of frequency-dependent I/Q imbalance in multiple beamforming OFDM transceivers
( IEEE , 2012 , Conference Paper)In this paper, we investigate the effects of asymmetric frequency-dependent joint transmit-receive I/Q imbalance on the performance of multiple beamforming MIMO OFDM systems. We derive the throughput-maximizing TX/RX ... -
Modelling and Forecasting Property Types’ Price Changes and Correlations within the City of Manchester, UK
( Qatar University , 2015 , Article)Most of the research done on real estate markets to date has concentrated on aggregate real estate price indices and correlations between regional properties assets. Previous research also shows that the residential real ... -
Modelling and implementation of SVPWM technique for a fifteen-phase voltage source inverter for sinusoidal output waveform
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)In this paper space vector model of a fifteen-phase voltage source inverter (VSI) is presented. The space vector Pulse Width Modulation (SVPWM) of a fifteen-phase voltage source inverter (VSI) with the aim of producing ... -
Modelling and indirect field-oriented control for pole phase modulation induction motor drives
( John Wiley and Sons Inc , 2023 , Article)In the recent days, for the traction and electric vehicle (EV) applications, multiphase machines with pole phase modulation (PPM) technique have been proposed. The smoother operation during pole changeovers as well as ... -
MODELLING AND OPTIMIZATION OF A MULTI-POPULATION, SINGLE-CHAMBER MICROBIAL FUEL CELL OPERATING IN A CONTINUOUS FLOW MODE AT STEADY-STATE
(2022 , Master Thesis)There is no doubt that energy demand has been increased in the last decade due to the economic revolution. However, this revolution is based on the fossils fuel which are going to be depleted. Microbial fuel cells are one ... -
Modelling and performance analysis of 3-D heterogeneous cellular networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Cellular networks are usually described by two-dimensional (2-D) models. These models are appropriate for rural or suburban areas but are not suitable for dense urban environments, where a large number of heterogeneous ... -
Modelling and performance analysis of electric vehicle
( Taylor and Francis Ltd. , 2021 , Article)Conventional vehicles utilise petroleum-derived fuels for providing good performance and long-range speed. Due to the utilisation of petrol or diesel, there are few disadvantages such low fuel economy and exhaust gas ... -
Modelling and performance analysis of TCP variants for data collection in smart power grids
( Elsevier B.V. , 2017 , Article)Smart grid communication networks adopt a variety of communication technologies interconnecting numerous and diverse equipment. The requirement of supporting a large traffic volume over such networks efficiently, reliably, ... -
Modelling and simulation of active noise control in a small room
( SAGE Publications Inc. , 2018 , Article)This paper presents the modeling and simulation results of active noise control (ANC) in a small room using the wave-based approach defined by particle velocities and sound pressure within the defined boundary conditions. ... -
Modelling and simulation of flexible assembly systems A petri net approach
( Qatar University , 1995 , Article)This paper presents an approach towards constructing a class of Placc/TYansition nets for modelling, simulation and control of processes occurring in the Flexible Assembly Systems. Its objective lies in the formal statement ... -
Modelling and simulation of single- and triple-junction solar cells using MATLAB/SIMULINK
( Taylor and Francis Ltd. , 2017 , Article)The main objective of this paper is to determine the single- and triple-junction solar cells’ I–V and P–V curves, define maximum voltage, current, and power. The paper demonstrates and analyses different environmental ... -
Modelling Catchments in Qatar to Assist in Operations
( Qatar Univesrity Press , 2020 , Conference Paper)Qatar is experiencing unprecedented growth and infrastructure is being developed at a rapid pace. The infrastructure is served by storm water systems which are under development and need to be resilient in case of storms. ... -
Modelling fatigue uncertainty by means of nonconstant variance neural networks
( Wiley , 2022 , Article)The modelling of fatigue using machine learning (ML) has been gaining traction in the engineering community. Among ML techniques, the use of probabilistic neural networks (PNNs) has recently emerged as a candidate for ...