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Now showing items 41-50 of 74
Novel Ternary Adder and Multiplier Designs without Using Decoders or Encoders
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
Multiple-Valued Logic systems present significant improvements in terms of energy consumption over binary logic systems. This paper proposes new ternary combinational digital circuits that reduce energy consumption in ...
Wireless Power Transmission for the Internet of Things (IoT)
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
In some cases, long battery life may be essential to IoT devices, and early failures of actuators and sensors because of the rapid discharging of battery may lead to unacceptably high replacement costs. Critical to the ...
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 ...
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 ...
A real-time gradient aware multi-variable handheld urban scale air quality mapping IoT system
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
In outdoor urban scale air quality mapping, electrochemical sensors warm-up time, cross-sensitivity, geo-location typography, and energy efficiency are major challenges. These challenges lead to real-time gradient anomalies ...
Energy Efficient Real time Outdoor Air Quality Monitoring System
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Outdoor air quality monitoring (OAQM) is of great importance to human health and environment. Engineers and researchers are increasingly focusing their efforts on the design of real-time OAQM systems using wireless sensor ...
Synoptic analysis of direct contact membrane distillation performance in Qatar: A case study
(
Elsevier B.V.
, 2015 , Article)
The aim of this study is to evaluate a bench scale direct contact membrane distillation (DCMD) performance using flat sheet polytetrafluoroethylene (PTFE) membrane at different inlet flow rates, temperatures, and salinity ...
Multihop transmission strategy using dijkstra algorithm to improve energy efficiency in WSNs
(
Springer Verlag
, 2018 , Conference Paper)
Thanks to the development in the wireless communication technologies and the microelectronics domain, Wireless Sensor Networks (WSNs) are more and more omnipresent. The most important challenge of WSN is how to extend its ...
Phase change materials for thermal energy storage applications in greenhouses: A review
(
Elsevier Ltd
, 2022 , Article)
Greenhouses represent one of the largest energy-demanding sectors, requiring energy for indoor environment control for plant growth and crop yield. Thermal energy storage using phase change materials (PCMs) has been ...