Energy-Efficient System Architectures for Intermittently-Powered IoT Devices

Various industry forecasts project that, by 2020, there will be around 50 billion devices connected to the Internet of Things (IoT), helping to engineer new solutions to societal-scale problems such as healthcare, energy conservation, transportation, etc. Most of these devices will be wireless due to the expense, inconvenience, or in some cases, the sheer infeasibility of wiring them. With no cord for power and limited space for a battery, powering these devices for operating in a set-and-forget mode (i.e., achieve several months to possibly years of unattended operation) becomes a daunting challenge. Environmental energy harvesting (where the system powers itself using energy that it scavenges from its operating environment) has been shown to be a promising and viable option for powering these IoT devices. However, ambient energy sources (such as vibration, wind, RF signals) are often minuscule, unreliable, and intermittent in nature, which can lead to frequent intervals of power loss. Performing computations reliably in the face of such power supply interruptions is challenging.

Name thesis:degree_name

Doctor of Philosophy (PhD)

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Electrical and Computer Engineering

Year

2016

Author dc:creator

• Jayakumar, Hrishikesh

Contributors dc:contributor

• Vijay Raghunathan
• Anand Raghunathan
• Byunghoo Jung
• Kaushik Roy

• Energy harvesting
• FeRAM
• Intermittently-powered systems
• Internet of Things
• Low Power Design
• Non-volatile memory

Repository record dc:identifier

https://docs.lib.purdue.edu/open_access_dissertations/1386

OAI identifier oai:identifier

oai:docs.lib.purdue.edu:open_access_dissertations-2602