Browsing College of Engineering by Title
Now showing items 3489-3508 of 8040
-
Finite element method based determination of magnetic loading of three-phase five-limb transformer with impact of DC offset
( Springer Verlag , 2017 , Book chapter)In this article, modelling mechanism based on finite element method (FEM) to understand the impact of DC currents on the magnetic loading of the three-phase five-limb transformer IS articulated. This paper provides detailed ... -
Finite element modelling and characterization of 3D cellular microstructures for the design of a cementless biomimetic porous hip stem
( Elsevier Ltd , 2018 , Article)Titanium porous cellular microstructures are commonly used in bone mimetic implants. The orientations of the internal strut architectures of these microstructures affect the mechanical performance under various loads; ... -
Finite element modelling of shear strengthened reinforced concrete beams
( International Institute for FRP in Construction (IIFC) , 2013 , Conference Paper)This research aims at creating precise finite element models for FRP shear strengthened concrete beams. It is inspired by the fact that the determination of the structural behaviour of the shear strengthened beams requires ... -
Finite element study of functionally graded porous femoral stems incorporating body-centered cubic structure
( Blackwell Publishing Inc. , 2019 , Article)The mismatch between stiffness of the femoral dense stem and host bone causes complications to patients, such as aseptic loosening and bone resorption. Three‐dimensional finite‐element models of homogeneous porous (HGP) ... -
Finite Frequency Fault Diagnosis for Heterogeneous Multi-agent LPV Systems
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)This paper addresses the problem of distributed fault detection and isolation (FDI) observer design in finite frequency domain for a class of heterogeneous multi-agent linear parameter-varying (LPV) systems. For this ... -
Finite set model predictive current control with reduced and constant common mode voltage for a five-phase voltage source inverter
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Multiphase drives are now becoming serious competitor to traditional three-phase drives due to reasons of better fault tolerant property and reduced per-phase converter rating that are especially suited to high power drives ... -
Finite-Control-Set Model Predictive Control for Grid-Connected Packed-U-Cells Multilevel Inverter
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)This paper presents a finite-control-set model predictive control (FCS-MPC) for grid-tied packed U cells (PUC) multilevel inverter (MLI). The system under study consists of a single-phase 3-cells PUC inverter connected to ... -
Finite-Element Analysis of Cantilever Slab Deflections with ANSYS SOLID65 3D Reinforced-Concrete Element with Cracking and Crushing Capabilities
( American Society of Civil Engineers (ASCE) , 2019 , Article)This paper presents a finite-element (FE) study conducted to investigate the deflections of newly constructed cantilevered slabs built for a medical facility expansion. From the beginning of the construction stage, the ... -
Finite-sample size multiple antennas spectrum sensing
(2012 , Conference Paper)In this paper, we consider the problem of multiple antenna spectrum sensing in Cognitive Radios (CR) by exploiting the prior information about unknown parameters. Specifically, we consider a blind spectrum sensing problem ... -
Finite-Time Stability under Denial of Service
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Finite-time stability (FTS) of networked control systems under denial-of-service (DoS) attacks are investigated in this article, where the communication between the plant and the controller is compromised at some time ... -
First and Last Triggering Event Approaches for Replacement with Minimal Repairs
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)To make effective use of a running system, this paper proposes that, when replacement times could be scheduled at a planned time T of operation, and at a number N of minimal repairs, the newly proposed approach of whichever ... -
First Hybrid 1gbps/0.1 Gbps Free-space Optical /rf System Deployment And Testing In The State Of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)I.BACKGROUND & OBJECTIVES Owing to its high-bandwidth, robustness to EMI, and operation in unregulated spectrum, free-space optical communication (FSO) is uniquely qualified as a promising alternative or complementary ... -
Five-level F-type inverter with buck-boost converter-based equalization channels
( Elsevier B.V. , 2023 , Article)Multilevel inverters have been widely used in various applications, as they provide output voltage with better quality, lower dv/dt, and lower Total Harmonic Distortion (THD). Multilevel inverter such as Neutral Point ... -
Five-Phase Induction Motor Drive System
( John Wiley & Sons, Ltd , 2012 , Book chapter) -
Five-phase permanent magnetic synchronous motor fed by fault tolerant five phase voltage source inverter
( Institute of Advanced Engineering and Science , 2016 , Article)Multiphase machines have gained attention in numerous fields of pplications such as Aircraft, ship propulsion, petrochemical and automobiles, where high reliability is required. The additional number of phases guarantees ... -
Five-phase twenty-seven level inverter using single DC source for photovoltaic application
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Multiphase (more than three-phase) systems have major advantages compared to a conventional three-phase system. A machine with higher number of phases can have high power and torque with less rating of components. Cascaded ... -
Flare gas-to-power by direct intercooled oxy-combustion supercritical CO2 power cycles
( Elsevier , 2021 , Article)With more than 150 billion m3 of gases annually flared around the world, gas flaring is a major source of greenhouse gas emissions that contaminates the environment with more than 400 Mt CO2/year. Therefore, utilizing the ... -
Flare Gas-to-Power using Supercritical CO2 Power Cycle: Energy and Exergy Analyses
( Qatar University Press , 2021 , Poster)Generating electricity from power cycle using supercritical carbon dioxide (sCO2) as a working fluid is a step towards efficiency improvement in power production field. The huge amount of studies on this topic shows promising ... -
Flare minimization for an olefin plant shutdown via plant-wide dynamic simulation
( Elsevier Ltd , 2020 , Article)During shutdown operations of chemical plants, significant amounts of raw materials, intermediates, and products may be flared leading to economic losses and emissions such as carbon dioxide, nitrogen oxides, and volatile ... -
Flavonol-carbon nanostructure hybrid systems: A DFT study on the interaction mechanism and UV/Vis features
( Royal Society of Chemistry , 2016 , Article)Flavonols are a class of natural compounds with potential biological and pharmacological applications. They are also natural pigments responsible for the diversity of colors in plants. Flavonols offer the possibility of ...