Electrical Engineering
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Improving the Efficiency of Partially Shaded Photovoltaic Modules without Bypass Diodes
(2021-04): Photovoltaic (PV) modules comprise bypass diodes to limit hotspot formation. However, they suffer from performance reduction in the presence of partial shading. This paper proposes external circuitry to control the ... -
A local area quantum teleportation network based on an array of electrically activated graphene waveguides
(2022-06)We present a scheme to generate a continuous variable (CV) multipartite entangled state using an array of plasmonic graphene waveguides that are activated by nonclassical driving microwave modes. Within this scheme, we ... -
High‑fdelity quantum information transmission using a room‑temperature nonrefrigerated lossy microwave waveguide
(2022-09)Quantum microwave transmission is key to realizing modular superconducting quantum computers and distributed quantum networks. A large number of incoherent photons are thermally generated within the microwave frequency ... -
Spatial solitons in an electrically driven graphene multilayer medium
(2022-01)We investigate the evolution of coupled optical solitons in a multilayer graphene medium. The considered graphene medium is subjected to microwave voltage biasing. The coupled two optical solitons emerge through the ... -
An Experimental and Comparative Performance Evaluation of a Hybrid Photovoltaic-Thermoelectric System
(Frontiers, 2021-09)The majority of incident solar irradiance causes thermalization in photovoltaic (PV) cells, attenuating their efficiency. In order to use solar energy on a large scale and reduce carbon emissions, their efficiency must be ... -
Energy analysis of a solar driven vaccine refrigerator using environment-friendly refrigerants for off-grid locations
(Elsevier, 2021-09)In many remote localities, one of the underlying reasons for not receiving life-saving vaccines is the lack of electricity to store the vaccines in the required refrigerated conditions. Solar Photovoltaic (PV) refrigerators ... -
Construction of operational data-driven power curve of a generator by industry 4.0 data analytics
(MDPI, 2021-02)Constructing the power curve of a power generation facility integrated with complex and large-scale industrial processes is a difficult task but can be accomplished using Industry 4.0 data analytics tools. This research ... -
Biomass waste utilization for adsorbent preparation in CO2 capture and sustainable environment applications
(Elsevier, 2021-08)The burning of fossil fuels in power sectors for energy generating purposes and in agricultural country like Pakistan the residues of crops on large area of land are burnt every year that results in continuous addition of ... -
Cold gas propulsion microthruster for feed gas utilization in micro satellites
(Elsevier, 2018-06)Micro spacecraft, which have gained huge popularity in the last decade, are termed as “CubeSats”, a well-known class of small satellites. The fast growing functionality and popularity of CubeSats have helped researchers ... -
Cold gas micro propulsion development for satellite application
(Elsevier, 2017-12)Micro spacecraft which have gained huge popularity in the last decade are termed as “CubeSat”, a well-known class of small satellites. The fast growing functionality and popularity of CubeSat has helped researchers to push ... -
Thermal modelling and optimization of low-grade waste heat driven ejector refrigeration system incorporating a direct ejector model
(Pergamon, 2020-02)This paper presents the modeling and optimization of an ejector refrigeration system (ERS). Engineering Equation Solver (EES) has been used for modeling. These models have been validated against published experimental ... -
Simulation of a 10 kW Photovoltaic system in areas with high solar irradiation
(2011)This study investigates the design and the simulation of a 10 kW photovoltaic (PV) system in areas of high solar irradiation. The importance of this study is to explore the feasibility of connecting the PV system with a ... -
Performance of photovoltaic cells in photovoltaic thermal (PVT) modules
(The Institution of Engineering and Technology, 2016)Integrating cooling systems with photovoltaic (PV) modules represents a very important aspect of keeping modules within acceptable operating temperatures. The objective of this study is to analyse the performance of each ... -
Design and Economic Evaluation of Electrification of Small Villages in Rural Area in Yemen Using Stand-Alone PV System
(IJRER, 2016-03)The photovoltaic (PV) technology potential for Yemen is relatively high, based on this fact, there are many isolated and remote locations located far away from the electrical national grid and cannot be integrated in the ... -
Investigation of temperature effects in efficiency improvement of non-uniformly cooled photovoltaic cells
(Research Gate, 2013)This study investigates the performance of photovoltaic (PV) modules with respect to temperature and proposes pipe layouts enabling efficient cooling. The operating temperatures of the PV cells are not equal since the fluid ... -
Towards building a neural network model for predicting pile static load test curves
(EDP Sciences, 2018)In the United Arab Emirates, Continuous Flight Auger piles are the most widely used type of deep foundation. To test the pile behaviour, the Static Load Test is routinely conducted in the field by increasing the dead ... -
A Framework for Arabic Tweets Multi-label Classification Using Word Embedding and Neural Networks Algorithms
(ACM Digital Library, 2020-05)The need for classifying tweets is essential for many people like tourists, tourism companies and governments. In this paper, we propose a framework for Arabic Tweets multi-label classification using word embedding ... -
Enhancing the performance of heaving wave energy converters using model-free control approach
(Pergamon, 2015-11)This paper investigates the application of model free control (MFC) strategy to optimally control the oscillation of single body heaving waves energy converter (WEC). The aim of the proposed controller is to maximize the ... -
Formal Verification of ECCs for Memories Using ACL2
(Springer US, 2020)Due to the ever-increasing toll of soft errors in memories, Error Correction Codes (ECCs) like Hamming and Reed-Solomon Codes have been used to protect data in memories, in applications ranging from space to terresterial ... -
Event Tree Reliability Analysis of Electrical Power Generation Network using Formal Techniques
(IEEE, 2020)In recent years, there has been a significant proliferation in the use of Renewable Energy Sources (RES), such as wind/solar systems, for power generation. However, the main obstacle that these resources face is their ... -
A Formally Verified HOL4 Algebra for Event Trees
(2020-04)Event Tree (ET) analysis is widely used as a forward deductive safety analysis technique for decision-making at the critical-system design stage. ET is a schematic diagram representing all possible operating states and ... -
Accelerating Viterbi Algorithm using Custom Instruction Approach
(IEEE, 2018)In recent years, the decoding algorithms in communication networks are becoming increasingly complex aiming to achieve high reliability in correctly decoding received messages. These decoding algorithms involve computationally ... -
Renewable Energy in Kingdom of Saudi Arabia: Opportunities and Prospects
(IEEE, 2017)Saudi Arabia is one of a handful of countries that burn crude oil directly for power generation. Almost 60% of electricity is generated through oil and rest through the natural gas. Saudi Arabia is selling the oil at ... -
A new framework for incorporating appearance and shape features of lung nodules for precise diagnosis of lung cancer
(IEEE, 2017-09)This paper proposes a novel framework for the classification of lung nodules using computed tomography (CT) scans. The proposed framework is based on the integrating the following features to get accurate diagnosis of ... -
A real-time technique for spatio–temporal video noise estimation
(IEEE, 2007-11)This paper proposes a spatio-temporal technique for estimating the noise variance in noisy video signals, where the noise is assumed to be additive white Gaussian noise. The proposed technique utilizes domain-wise (spatial, ... -
UAV-based remote sensing for vegetation cover estimation using NDVI imagery and level sets method
(IEEE, 2015-12)Vegetation is a key component of nearly all global ecosystems, having a role of regulating various biogeochemical cycles in nature, as well as maintaining the energy balance at the earth's surface and atmospheric boundary ... -
Deep learning role in early diagnosis of prostate cancer
(SAGE Publications, 2018-05)The objective of this work is to develop a computer-aided diagnostic system for early diagnosis of prostate cancer. The presented system integrates both clinical biomarkers (prostate-specific antigen) and extracted features ... -
Real-time heart attack mobile detection service (RHAMDS): An IoT use case for software defined networks
(IEEE, 2017-04)Continuous growing interest in IoT applications particularly for a smart city setting has attracted many researchers. E-health applications in IoT networks are the newest area of interest in this research field. On the ... -
Robust Global Motion Estimation Oriented to Video Object Segmentation
(IEEE Xplore, 2008-06)Most global motion estimation (GME) methods are oriented to video coding while video object segmentation methods either assume no global motion (GM) or directly adopt a coding-oriented method to compensate for GM. This ... -
Smart plugs: Perceived usefulness and satisfaction: Evidence from United Arab Emirates
(ELSEVIER, 2016-03)The UAE per capita energy consumption is one of the highest in the world. Since the energy sector is the center of most ecological problems facing the world today, eco-efficiency and eco-innovations are at the top of the ... -
Chronic Wound Healing Assessment System Based on Different Features Modalities and Non-Negative Matrix Factorization (NMF) Feature Reduction
(IEEE Access, 2019-06)Identification and treatment of chronic wounds (CWs) are considered economic and social challenges, especially with respect to bedridden and elderly persons. CWs do not follow a predictive course of healing within a ... -
Level sets-based image segmentation approach using statistical shape priors
(Elsevier, 2019)A robust 3-D segmentation technique incorporated with the level sets concept and based on both shape and intensity constraints is introduced. A partial differential equation (PDE) is derived to describe the evolution of ... -
Modeling of series-connected photovoltaic cells
(IEEE, 2018)This paper proposes a new model for series-connected photovoltaic (PV) cells, using a modified one-diode equivalent-circuit model. The PV modules comprise many series-connected cells to generate more electrical power. This ... -
Design and simulation of solar grid-connected charger for electric vehicles
(IEEE, 2018)Electric Vehicles (EV) are playing major role in decreasing carbon emissions. The major problem so far with the Electric Vehicles are overloading the Distribution Grids and availability of enough charging stations. The ... -
A Distributed inVANETs-Based Intersection Traffic Control Algorithm
(Springer, 2019)Recently, smart traffic control at intersections became an important issue which has resulted in many researchers investigating intelligent transportation systems using smart vehicles. In particular, the traditional traffic ... -
A Citywide Distributed in VANETs-Based Protocol for Managing Traffic
(Springer, 2019)he dawn of wireless communications makes the delivery of real time information at hands. This includes Vehicle to Infrastructure (V2I) and the Vehicle to Vehicle (V2V) communications which opened the doors for superior ... -
DoS attacks and countermeasures in VANETs
(2019)Vehicular Ad Hoc Networks (VANETs) are ideal target to many attacks due to the large number of vehicles communicating with each other continually and instantly through a wireless medium. The main goal of VANETs is to enhance ... -
Sybil attacks in intelligent vehicular ad hoc networks: A review
(Springer, 2018)Vehicular Ad-hoc Networks (VANETs) are intelligent transportation system that provides wireless communication between vehicles and different objects in the road to increase human safety. Many security techniques have been ... -
Deep Learning-Based Intrusion Detection Systems for Intelligent Vehicular Ad Hoc Networks
(Springer, 2019)In recent years, malware classifies as a big threat for both internet and computing devices that directly related with the in-vehicle networking security purpose. The main perspective of this paper is to study use of ... -
Photorefractive Effect in Plasmonic Waveguides
(IEEE, 2014-05)In this paper, for the first time, the photorefractive effect in plasmonic waveguides is theoretically modeled and investigated in detail. A metal- LiNbO3-metal nanostructure is considered, with the LiNbO3 being doped with ... -
Terahertz Generation in an Electrically Biased Optical Fiber: A Theoretical Investigation
(Hindawi Publishing Corporation, 2012)This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. We ... -
Phase-Matched Coupling and Frequency Conversion of Terahertz Waves in a Nonlinear Graphene Waveguide
(IEEE, 2017)In this paper, we propose a novel technique for the phase-matched coupling and frequency conversion of terahertz (THz) waves. The principle of operation is based on nonlinear THz wave interaction in a graphene parallel ... -
Series Connected Photovoltaic Cells—Modelling and Analysis
(MDPI, 2017-03-07)As solar energy costs continue to drop, the number of large-scale deployment projects increases, and the need for different analysis models for photovoltaic (PV) modules in both academia and industry rises. This paper ... -
A Practical Technique for Power Quality Improvement for Single Phase Induction Machines
(2006-12)Most of the electrical loads in our daily life are single phase as well as inductive. Single phase induction machines are one of the many reasons for poor quality power supply along with some concerns on torque requirements, ... -
Operational and Economic Impacts of Distorted Current drawn by Modern Induction Furnaces
(IEEE., 2009-04-10)Modern induction furnaces in power distribution network always play pivotal role when connected to the grid stations independently. This paper focuses on indirect consequences caused by distorted current waveform drawn by ... -
Signal parameter enhancement of an optical wireless system utilizing wavelet transform
(IEEE, 2002-08-07)This paper is aimed to enhance the signal detection parameters necessary for designing an optical wireless local access network (WLAN), based on wavelet transform analysis. The design of such a network is based on the ... -
An optical polarimetric imaging system for surface defect detection of aircraft engines
(IEEE, 2002-08-07)The design of an optical polarimetric imaging system, aimed to detect cracks or structural defects on the surface of rotating aircraft engine shafts, is presented. The experimental results clearly indicate that high ... -
A novel multipath dispersion reduction technique based on controlled-polarization optical wireless link setup
(IEEE, 2003-07-09)The detection characteristics of an indoor-optical communication system, which utilizes infrared radiation as carrier has been explored and enhanced for telemedicine, and wireless local area network applications. The novelty ... -
Signal dispersion measurements on the gas detector volume of a dual-energy multimedia digital imaging sensor
(IEEE, 2003-10-27)In this study, experimental results on the signal dispersion of a gas detector volume of a multimedia imaging detector, operating on both gaseous and solid-state ionization principles, with specific emphasis on single X-ray ... -
A novel multipath light signal dispersion reduction technique based on controlled-polarization optical wireless link setup
(IEEE, 2005-10-03)The detection characteristics of an indoor-optical communication system, which utilizes infrared radiation as carrier, has been explored and enhanced for telemedicine and wireless local area network applications. The novelty ...