Electrical Engineering
Recent Submissions
-
Robust Controller and Fault Diagnoser Design for Linear Systems with Event-based Communication
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)In order to improve the effectiveness and safety of control systems, the problem of integrated fault diagnosis and control (IFDC) design has attracted significant attention in the recent years, both in the research and in ... -
Q-Learning Based Closed-Loop Control of Anesthesia Administration by Accounting for Hemodynamic Parameter Variations
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Critically ill patients in the intensive care units (ICUs) are often in acutely disturbed state of mind characterized by restlessness, illusions, and nervousness. Such patients, for instance, those who are mechanically ... -
Secure Communications Using Directional Modulation
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Limitations on the wireless communication resources (i.e., time and frequency) introduces the need for another domain that can help communication systems to match the increasing demand on high data transfer rates and quality ... -
A fuzzy logic based irrigation management system in arid regions applied to the state of qatar
( WITPress , 2012 , Article)In arid and hyper arid regions like Qatar, the time and duration of irrigation is key to achieving sustainable irrigations. This paper proposes a practical solution based on artificial intelligence where all design and ... -
A fuzzy logic based irrigation system enhanced with wireless data logging applied to the state of Qatar
( Elsevier B.V. , 2013 , Article)In arid regions, developing environment and crop-specific irrigation scheduling that reduces water lost via evapotranspiration is a key to a sustainable and better managed irrigation. This paper presents a practical solution ... -
Hybrid thin-films of graphene materials and metallic nanowires for next generation transparent electrodes
( Optics InfoBase , 2013 , Conference Paper)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 ... -
Towards u-health: An indoor 6LoWPAN based platform for real-time healthcare monitoring
( IEEE , 2013 , Conference Paper)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 ... -
A comparative analysis of BLE and 6LoWPAN for U-HealthCare applications
( IEEE , 2013 , Conference Paper)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) ... -
Design of Qatar University's first solar car for Shell Eco-marathon competition
( IEEE , 2012 , Conference Paper)Research and development in the area of renewable energy is growing fast, supported by the increasing awareness about sustainability, environment and limitation of conventional sources of energy. Interestingly, oil and gas ... -
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 ... -
Towards understanding the effects of climatic and environmental factors on solar PV performance in arid desert regions (Qatar) for various PV technologies
( IEEE , 2012 , Conference Paper)The sensitivity of various solar photovoltaic technologies to dust, temperature and relative humidity is investigated for Qatar's environment. Results obtained show that mono-crystalline PVs have efficiencies as high as ... -
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 ... -
Hybrid thin-films of graphene materials and metallic nanowires for next generation transparent electrodes
( Optical Society of America (OSA) , 2013 , Conference Paper)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 ... -
A 3G/WiFi-enabled 6LoWPAN-based U-healthcare system for ubiquitous real-time monitoring and data logging
( IEEE Computer Society , 2014 , Conference Paper)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 ... -
Preliminary studies on autonomous sensor systems dedicated to air quality monitoring
( IMEKO-International Measurement Federation Secretariat , 2014 , Conference Paper)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 ... -
Metal nanowire-graphene composite transparent electrodes
( SPIE , 2014 , Conference Paper)Silver nanowires with 40 nm diameter and copper nanowires with 150 nm diameter were synthesized using lowtemperature routes, and deposited in combination with ultrathin graphene sheets for use as transparent conductors. A ... -
Renewable energy-harvested sensor systems for air quality monitoring
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Wireless sensor networks (WSNs) devoted to environmental monitoring has preponderantly assumed the adoption of a portable and limited energy source, (e.g. lithium, alkaline, NiMH batteries), to support the sensor ... -
Development of energy efficient battery electric car for Shell Eco-Marathon competition - Qatar University experience
( IEEE Computer Society , 2014 , Conference Paper)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 ... -
Transparent conducting electrodes based on thin, ultra-long Copper nanowires and graphene nano-composites
( SPIE , 2014 , Conference Paper)High aspect-ratio ultra-long (> 70 ?m) and thin (< 50 nm) copper nanowires (Cu-NW) were synthesized in large quantities using a solution-based approach. The nanowires, along with reduced graphene-oxide sheets, were coated ... -
Highly transparent low sheet resistance electrodes for solar cell applications
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)High aspect ratio copper nanowires were synthesized, using a solution-based approach. The nanowires along with reduced graphene oxide thin films were sprayed onto glass and flexible substrates and later annealed in order ...