2021 Fiscal Year Final Research Report
Proof of concept of bottom-up IoT with energy-harvesting micro-nodes
Project/Area Number |
19K22844
|
Research Category |
Grant-in-Aid for Challenging Research (Exploratory)
|
Allocation Type | Multi-year Fund |
Review Section |
Medium-sized Section 60:Information science, computer engineering, and related fields
|
Research Institution | Tokyo Institute of Technology |
Principal Investigator |
Tokuda Takashi 東京工業大学, 科学技術創成研究院, 教授 (50314539)
|
Project Period (FY) |
2019-06-28 – 2022-03-31
|
Keywords | IoT / エナジーハーベスティング / 光電力伝送 / CMOS / センサ |
Outline of Final Research Achievements |
We set the ultimate goal of this project to build an IoT framework based on ultra-small edges operated by environmental light. As the most important technical element of the technology, this work focused on a CMOS-based optical energy harvesting circuit that consists of ultra-small hpotovoltaic cells, energy-sotoring capacitor(s), CMOS voltage monitoring circuit, bias circuit, and CMOS load-driving switch. In this project, we introduced new circuit topologies on bias generation and voltage monitoring circuit. The dual-capacitor configuration employed for voltage monitroing circuit is unique design in this work. We successfully eveluated and demonstrated the basic functionalities of the circuits.
|
Free Research Field |
電気電子工学
|
Academic Significance and Societal Importance of the Research Achievements |
本研究は、真のIoT(Internet of Things) = 社会のあらゆるモノを情報化するためのキーテクノロジとして、”ボトムアップ型IoT”のコンセプトを実証することを目的とした。具体的な取り組みとして最も重要な、環境光で動作可能なマイクロデバイスを実現する光エナジーハーベステイングプラットフォームに関する研究を行った。 本研究で実現する技術の将来像として、電源を持たない、”全てのモノ”へのIoT化につながる。
|