Browsing Qatar University Institutional Repository by Title
Now showing items 14180-14199 of 27848
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Modeling and Control of Single-Stage Quadratic-Boost Split Source Inverters
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)This paper aims to develop the recently introduced Spilt-Source Inverter (SSI) topology to improve its boosting characteristics. New SSI topologies with high voltage gain are introduced in this paper. The proposed converters ... -
Modeling and controller design of quasi-Z-Source inverter with battery based photovoltaic power system
( IEEE , 2012 , Article)A Photovoltaic (PV) power generation system based on quasi-Z-Source inverter (qZSI) with energy storage is presented. A dynamic small-signal model of qZSI with battery is established. Further, the battery power and current ... -
Modeling and experimental verification of the performance of a skew mounted permanent magnet brushless DC motor drive with parameters computed from 3D-FE magnetic field solutions
( IEEE , 1994 , Article)This paper contains a comparison between actual laboratory-measured performance of a brushless dc motor drive system, with skewed permanent magnet mounts on its rotor, and two computer-simulated motor drive system performance ... -
Modeling and forecasting electricity consumption amid the COVID-19 pandemic: Machine learning vs. nonlinear econometric time series models
( Elsevier , 2023 , Article)Accurately modeling and forecasting electricity consumption remains a challenging task due to the large number of the statistical properties that characterize this time series such as seasonality, trend, sudden changes, ... -
Modeling and integration of water desalination units in thermal unit commitment considering energy and water storage
( Elsevier , 2020 , Article)In this paper, a new short-term daily scheduling model is proposed and formulated. In the proposed model, thermal power plant will be optimally scheduled in a system with water desalination units. For the thermal units, ... -
Modeling and Optimal Planning of an Energy-Water-Carbon Nexus System for Sustainable Development of Local Communities
( John Wiley and Sons Inc , 2021 , Article)Achieving sustainable development goals (SDGs) announced by United Nations guarantees access to clean, affordable, and inexhaustible resources for all present and future human societies. Access to water and energy have ... -
Modeling and optimal scheduling of battery energy storage systems in electric power distribution networks
( Elsevier Ltd , 2019 , Article)Thanks to the unique features, deployment of battery energy storage systems in distribution systems is ever-increased. Therefore, new models are needed to capture the real-life characteristics. Beside active power, the ... -
Modeling and optimization of an island water-energy nexus powered by a hybrid solar-wind renewable system
( Elsevier , 2020 , Article)Water and energy are one of the most primitive and prominent needs of each society. Supplying these requirements to island residents is especially more complicated and costly due to limited access to the urban utilities. ... -
Modeling and optimization of biogas production from a waste digester using artificial neural network and genetic algorithm
( Elsevier B.V. , 2009 , Article)Artificial neural networks (ANNs) and genetic algorithms (GA) are considered among the latest tools that are used to solve complicated problems that cannot be solved by conventional solutions. The present study utilizes ... -
MODELING AND OPTIMIZATION OF DISTRICT COOLING SYSTEM
(06-2 , Master Thesis)This research focuses on modeling and optimization of the design and operation of a district cooling system (DCS). The research investigates two solution paths: (1) the system transformation leading to re-organizing the ... -
Modeling and optimization of poultry house passive cooling strategies in semiarid climates
( Elsevier Ltd , 2021 , Article)Meeting hygrothermal and air quality requirements in livestock dwellings is crucial for upholding production quality standards. However, ventilation and air-conditioning in such enclosures is very energy-intensive, especially ... -
Modeling and optimization of the crushing behavior and energy absorption of plain weave composite hexagonal quadruple ring systems using artificial neural network
( Elsevier Ltd , 2019 , Article)Composite structures are being increasingly utilized in the automotive industry for their lightweight and specific energy absorption capabilities. Recently, the Composite Hexagonal Quadruple Ring System (CHQRS) has been ... -
Modeling and Parametric Study of the Reanchorage of Ruptured Tendons in Bonded Posttensioned Concrete
( American Society of Civil Engineers (ASCE) , 2017 , Article)The contribution of ruptured tendons to the residual strength of bonded posttensioned concrete structures is currently assessed based on pretensioned concrete bond models. However, this approach is inaccurate due to the ... -
Modeling and Performance Analysis of 3-D Heterogeneous Networks with Interference Management
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)This letter proposes a general 3-D model for heterogeneous networks (HetNets). The model uses stochastic geometry to describe the different network nodes' positions in a 3-D space. In addition, a new transmission scheme ... -
Modeling and performance analysis of D2D communications with interference management in 3-D HetNets
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, a general 3-D model for K-tier heterogeneous networks (HetNets) is proposed to investigate the performances of device-to-device (D2D) communications in highrise centers. The new model is based on stochastic ... -
Modeling and piezoelectric analysis of nano energy harvesters
( MDPI , 2020 , Article)The expedient way for the development of microelectromechanical systems (MEMS) based devices are based on two key steps. First, perform the simulation for the optimization of various parameters by using different simulation ... -
Modeling and sensitivity analysis of the forward osmosis process to predict membrane flux using a novel combination of neural network and response surface methodology techniques
( MDPI AG , 2021 , Article)The forward osmosis (FO) process is an emerging technology that has been considered as an alternative to desalination due to its low energy consumption and less severe reversible fouling. Artificial neural networks (ANNs) ... -
Modeling and Simulation of Bio-pathways using Hybrid Functional Petri Nets
(2017 , Master Thesis)The study of biological systems is growing rapidly, and can be considered as an intrinsic task in biological research and a prerequisite for diagnosing diseases and drug development. The integration of biological studies ... -
Modeling and simulation of fertilizer drawn forward osmosis process using Aspen Plus-MATLAB model
( Elsevier B.V. , 2020 , Article)Although experimental studies on the impact of feed (FS) and draw solutions (DS) on the forward osmosis (FO) applications are reported in literature, systematic mathematical modeling considering the dynamic change in ... -
Modeling and simulation of pedestrian movement planning around corners
( MDPI AG , 2019 , Article)Owing to the complexity of behavioral dynamics and mechanisms associated with turning maneuvers, capturing pedestrian movements around corners in a mathematical model is a challenging task. In this study, minimum jerk and ...
