Electrical Engineering: المرسلات الحديثة
السجلات المعروضة 1221 -- 1240 من 2813
-
A 3G/WiFi-enabled 6LoWPAN-based U-healthcare system for ubiquitous real-time monitoring and data logging
( IEEE Computer Society , 2014 , Conference)Ubiquitous healthcare (U-healthcare) systems are expected to offer flexible and resilient high-end technological solutions enabling remote monitoring of patients health status in real-time and provisioning of feedback and ... -
Towards u-health: An indoor 6LoWPAN based platform for real-time healthcare monitoring
( IEEE , 2013 , Conference)Ubiquitous healthcare is the key to handle the challenges of the growing population around the world. A variety of u-healthcare systems have been developed using various short-range technologies and proprietary protocols ... -
U-healthcare system: State-of-the-art review and challenges
( SpringerLink , 2013 , Article)With the increase of an ageing population and chronic diseases, society becomes more health conscious and patients become "health consumers" looking for better health management. People's perception is shifting towards ... -
Development of energy efficient battery electric car for Shell Eco-Marathon competition - Qatar University experience
( IEEE Computer Society , 2014 , Conference)The paper reports on the participation of Electrical Engineering students of Qatar University students in Shell Eco Marathon (SEM) competition, which aims at designing and racing energy efficient vehicles. This participation ... -
Preliminary studies on autonomous sensor systems dedicated to air quality monitoring
( IMEKO-International Measurement Federation Secretariat , 2014 , Conference)Sensor systems and smart networks devoted to environmental supervision have today assisted the analysis of primal processes and they have also provided vital hazard early warnings. At the same time the use of environmental ... -
Study of the effects of dust, relative humidity, and temperature on solar PV performance in Doha: Comparison between monocrystalline and amorphous PVS
( Taylor & Francis , 2013 , Article)The sensitivity of various solar photovoltaic technologies to dust, temperature, and relative humidity is investigated for Doha's environment. Results obtained show that monocrystalline photovoltaics (PVs) have efficiencies ... -
A comparative analysis of BLE and 6LoWPAN for U-HealthCare applications
( IEEE , 2013 , Conference)For decades, there exist a variety of low-power wireless technologies deployed for healthcare applications such as Zigbee/IEEE802.15.4, Bluetooth, ANT, NFC, IrDA. However, the recently announced Bluetooth Low Energy (BLE) ... -
Hybrid thin-films of graphene materials and metallic nanowires for next generation transparent electrodes
( Optics InfoBase , 2013 , Conference)We report advances in the fabrication and characterization of transparent conductive electrodes based on thin-films of metallic nanowires (copper and silver) encapsulated with graphene, graphene oxide, and reduced graphene ... -
Synthesis and performance of large-scale cost-effective environment-friendly nanostructured thermoelectric materials
( MDPI AG , 2021 , Article)Thermoelectricity is a promising technology that directly converts heat energy into electric-ity and finds its use in enormous applications. This technology can be used for waste heat recovery from automobile exhausts and ... -
Quantification of pv power and economic losses due to soiling in Qatar
( MDPI , 2021 , Article)Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. ... -
Low-toxic, earth-abundant nanostructured materials for thermoelectric applications
( MDPI AG , 2021 , Article)This article presents recent research directions in the study of Earth-abundant, cost-effective, and low-toxic advanced nanostructured materials for thermoelectric generator (TEG) applications. This study’s critical aspect ... -
Facile preparation of N-S co-doped graphene quantum dots (GQDs) from graphite waste for efficient humidity sensing
( Elsevier B.V. , 2021 , Article)In this work, graphene quantum dots (GQDs) were prepared from Graphitic waste. The resulting GQDs were evaluated for the potential application for resistive humidity sensors. The resistive humidity sensors were fabricated ... -
Effect of sulfonated poly (ether ether ketone) on the sensitivity of polyvinylidene fluoride-based resistive humidity sensors
( Elsevier Ltd , 2020 , Article)We have investigated the effect of sulfonated poly (ether ether ketone) (SPEEK) on the thermal stability, hydrophilicity, and sensitivity of polyvinylidene fluoride (PVDF) films based resistive humidity sensors. The blended ... -
Power Generation Voting Prediction Model of Floating Photovoltaic System
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)Solar energy is the most promising renewable energy within the Gulf area as annual solar irradiance is among the highest in the world (>2000kWh/m2). Therefore, countries within the Gulf area have focused their energy ... -
Real-time gradient-aware indigenous AQI estimation IoT platform
( ASTES Publishers , 2020 , Article)Environmental monitoring has gained significant importance in outdoor air quality measurement and assessment for fundamental survival as well as ambient assisted living. In real-time outdoor urban scale, instantaneous air ... -
Global dissipativity of Clifford-valued multidirectional associative memory neural networks with mixed delays
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)The main goal of this article is to study the global dissipativity problem of Clifford-Valued Multidirectional Associative Memory Neural Networks (CVMAMNNs) with time-varying delays and distributed delays. Based on Lyapunov ... -
Global dissipativity of fuzzy bidirectional associative memory neural networks with proportional delays
( University of Sistan and Baluchestan , 2021 , Article)This article aimed to investigate the problem of global dissipativity of Fuzzy Bidirectional Associative Memory Neural Networks (FBAMNNs- for short) with proportional delays. Via Lyapunov Functionals (LFs- for short) and ... -
Assessing mobile ions contributions to admittance spectra and current-voltage characteristics of 3D and 2D/3D perovskite solar cells
( Elsevier B.V. , 2020 , Article)Recently, the 2D perovskite layer is employed as a capping/passivating layer in the perovskite solar cells (PSCs). The 2D perovskite layer is prepared by inserting a large-sized hydrophobic cation spacer into the perovskite ... -
Synthesis of in situ photoinduced halloysite-polypyrrole@silver nanocomposite for the potential application in humidity sensors
( MDPI AG , 2020 , Article)Halloysite-polypyrrole-silver nanocomposite has been prepared via in situ photopolymerizations of pyrrole in the presence of silanized halloysite and silver nitrate as a photoinitiator. The halloysite nanoclay (HNT) was ... -
Investigation of the structural, optical and gas sensing properties of PANI coated Cu-ZnS microsphere composite
( Royal Society of Chemistry , 2020 , Article)Polyaniline (PANI)/Cu-ZnS composites with porous microspheres are prepared by a hydrothermal and in situ polymerization method. The structural, optical, and morphological properties are characterized by X-ray powder ...
