2022 Fiscal Year Final Research Report
Creating wireless communication functions by heterogeneous micro-node groups
Project/Area Number |
19H02191
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Review Section |
Basic Section 21060:Electron device and electronic equipment-related
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Research Institution | Tokyo Institute of Technology |
Principal Investigator |
Ito Hiroyuki 東京工業大学, 科学技術創成研究院, 准教授 (40451992)
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Project Period (FY) |
2019-04-01 – 2023-03-31
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Keywords | センサネットワーク / IoT |
Outline of Final Research Achievements |
The purpose is to systematize the circuit and system design theory for cooperative operation of a group of sensor nodes. The idea that meaningful collective behavior can emerge by coupling chaotic oscillators was theoretically and experimentally investigated. Increased synchronization among nodes, dissipation, and relay effects were observed. The possibility of observing the hidden dynamics of a group of nodes by external excitation was demonstrated. A method for estimating the statistical distribution of measurements in a population of sensors using a small neural network was proposed. To reduce the size and power consumption of the nodes, an oscillator-type sensor circuit with low noise and low power consumption using Si CMOS technology and a wireless communication node utilizing backscattering technology were fabricated, and their operation was confirmed through actual measurements.
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Free Research Field |
電子回路工学
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Academic Significance and Societal Importance of the Research Achievements |
特に,発振器型センサの群としての機能創発に関して理論的かつ実験的に研究を進め,発振器群の信号の分析手法に関しても多くの研究成果が得られた.例えば,カオスダイナミクスにおける「不完全な同期」のもとで起こる創発・パターン形成現象に基づいたシンプルなアナログハードウエアによる計算技術などを発明した.この技術は,パターン検出用ハードウエアの低消費電力化や小型化に大きく貢献できる可能性がある.
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