Browsing University of Waterloo by Subject "Energy Harvesting"
Now showing items 1-13 of 13
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Antennas and Metamaterials for Electromagnetic Energy Harvesting
(University of Waterloo, 2012-08-14)The emergence of microwave energy harvesting systems, commonly referred to as rectenna or Wireless Power Transfer (WPT) systems, has enabled numerous applications in many areas since their primary goal is to recycle the ... -
Design and Development of a Self-contained and Non-Invasive Integrated System for Electricity Monitoring Applications
(University of Waterloo, 2017-08-30)Growing interest in improving the energy consumption efficiency in residential and commercial buildings has led to the emergence of intelligent energy management systems. This growing technology allows the transformation ... -
Design and Modeling of a Soil-Based Energy Harvester for Underground Wireless Sensor Nodes
(University of Waterloo, 2020-04-28)Wireless Sensor Networks (WSN) have emerged as a reliable and viable solution for monitoring complex large-scale strategic assets that are placed in harsh and hostile environments. Some of the major application areas include ... -
Design, Modelling and Fabrication of a Hybrid Energy Harvester
(University of Waterloo, 2014-01-23)As sources of energy are becoming more scarce and expensive, energy harvesting is receiving more global interest and is currently a growing field. Energy harvesting is the process of converting ambient energy, such as ... -
Design, Modelling, Fabrication & Testing of a Miniature Piezoelectric-based EMF Energy Harvester
(University of Waterloo, 2014-05-21)Wireless sensing applications have extended into power transmission line monitoring applications. Minimal power consumption of sensor electronics have enabled kinetic energy harvesting systems to provides a means of self ... -
Energy Harvesting from a Vortex Ring Using Highly Deformable Smart Materials
(University of Waterloo, 2016-01-06)Recently, the growing demand of compact energy harvesters for wireless sensor networks has lead to an increasing interest in exploring the energy harvesting capabilities of smart materials. Smart materials are a category ... -
Lossy Joint Source-Channel Coding for Energy Harvesting Communication Systems
(University of Waterloo, 2014-12-15)In this work, we study the problem of lossy joint source-channel coding in an energy harvesting single-user communication system with causal energy arrivals, where the energy storage unit may have leakage. In particular, ... -
Low-Frequency Piezoelectric Energy Harvester with Novel 3D Folded Zigzag Design and High Power Density
(University of Waterloo, 2018-07-09)Cantilevers have been widely used for vibration energy harvesting applications using piezoelectric materials due to their simple geometries, frequency tune-ability, and closed form analytical solution. Recent studies have ... -
Metasurfaces for Antennas, Energy Harvesting and Imaging
(University of Waterloo, 2018-08-03)Metamaterials are materials with artificial structures, engineered to produce electromagnetic properties not readily available in nature. Metamaterials have generated broad interest and utilization in various applications ... -
A methodology for designing 2.45 GHz wireless rectenna system utilizing Dickson Charge Pump with Optimized Power Efficiency
(University of Waterloo, 2013-08-30)In the present thesis, I have proposed methodology of two stages Dickson charge pump, which is capable of harvesting energy at 2.45 GHz RF signal to power any low powered device. Presented design uses a simple and inexpensive ... -
Modeling, Analysis and Experimental Validation of a Three Degree of Freedom Electromagnetic Energy Harvester
(University of Waterloo, 2012-09-26)Vibration energy harvesting devices have been widely used to power many electronic self-sustainable devices. The aim of this study is to introduce an alternative design to an existing electromagnetic energy harvesting ... -
Multi-purpose Electromagnetic Energy Harvesting System
(University of Waterloo, 2019-09-12)This thesis proposes a multi-purpose electromagnetic energy harvesting system that harnesses mechanical energy from diverse types of mechanical motion sources and converts it into low power electrical energy. The harvested ... -
On Optimal Online Policies in Energy Harvesting Communication Systems: Effects of Quality of Service and Battery Requirements
(University of Waterloo, 2016-04-27)We study the problem of finding optimal transmission policies in a point-to-point energy harvesting communication system with continuous energy arrivals in causal setting. In particular, we investigate bounds on the long-term ...