KAKEN — Research Projects | Researcher Number: 20334584

Search Results: 8 results / Researcher Number: 20334584

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1. 多目的関数最適化による同期の「両立メカニズム」の解明とエネルギー論の構築

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 61040:Soft computing-related
Research Institution	The University of Electro-Communications
Principal Investigator	田中久陽電気通信大学, 大学院情報理工学研究科, 准教授
Project Period (FY)	2024-04-01 – 2028-03-31Granted
Keywords	注入同期 / 最適化理論 / 心臓ペースメーカ / サーカディアンリズム
Outline of Research at the Start	本研究の概要は、最近の研究により明らかになりつつある同期現象に内在する「両立メカニズム」の解明と、これに付随する同期のエネルギー論の構築といえる。これらを、多目的関数最適化の理論を援用して行うところに特色がある。

2. Development of optimal design for 'living' continuous body vibration with phase reduction method

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 60020:Mathematical informatics-related
Research Institution	The University of Electro-Communications
Principal Investigator	Tanaka Hisaaki 電気通信大学, 大学院情報理工学研究科, 准教授
Project Period (FY)	2018-04-01 – 2022-03-31Completed
Keywords	MEMS / 注入同期 / 振動工学 / 最適化理論 / ナノ/マイクロ電気機械系 (N/MEMS) / 自励振動 / 性能向上限界 / IEEE802.11 / タイミング同期 / 発振器アレー / 広域ネットワーク / 位相縮約 / 形状最適化 / N/MEMS
Outline of Final Research Achievements	Injection-locking of nonlinear oscillators to an external periodic forcing is a fundamental phenomenon which adjusts their frequencies to that of an e ...

Research Products of this project	Journal Article (37 results, of which Int'l Joint Research: 4 results, Peer Reviewed: 34 results, Open Access: 29 results) Presentation (81 results, of which Int'l Joint Research: 24 results, Invited: 11 results) Book (1 results) Patent(Industrial Property Rights) (1 results)

3. Optimal design method realizing the maximal limit of injection-locking and its applications.

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Computational science
Research Institution	The University of Electro-Communications
Principal Investigator	Tanaka Hisaaki 電気通信大学, 大学院情報理工学研究科, 准教授
Project Period (FY)	2014-04-01 – 2018-03-31Completed
Keywords	非線形最適化 / 注入同期 / マイクロエレクトロニクス
Outline of Final Research Achievements	Injection-locking of nonlinear oscillators to an external periodic forcing is a fundamental phenomenon which adjusts their frequencies to that of an e ...

Research Products of this project	Journal Article (30 results, of which Int'l Joint Research: 5 results, Peer Reviewed: 27 results, Open Access: 21 results, Acknowledgement Compliant: 9 results) Presentation (16 results, of which Int'l Joint Research: 5 results, Invited: 8 results) Book (4 results) Patent(Industrial Property Rights) (1 results)

4. Entrainment ability maximization in nonlinear oscillators by using calculus of variations, and its applications to practical design problems

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	Engineering fundamentals
Research Institution	The University of Electro-Communications
Principal Investigator	TANAKA Hisaaki 電気通信大学, 情報理工学(系)研究科, 准教授
Project Period (FY)	2011-04-01 – 2014-03-31Completed
Keywords	注入同期 / 周波数引き込み / ロックレンジ / 非線形振動子 / 最適化問題 / 変分解析 / 同期・引き込み / 最適化アルゴリズム / 発振器（振動子） / CMOS 発振回路 / 概日リズム制御 / genetic algorithm / 発振器(振動子) / CMOS発振回路
Research Abstract	Since injection-locking improves frequency stability in the oscillator, its researches have been steadily progressed for various applications. Howeve ...

Research Products of this project	Journal Article (18 results, of which Peer Reviewed: 17 results) Presentation (14 results, of which Invited: 2 results) Remarks (1 results) Patent(Industrial Property Rights) (8 results)

5. Extremely long-lived ad-hoc, sensor networks realized by a new timing synchronization

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Communication/Network engineering
Research Institution	The University of Electro-Communications
Principal Investigator	TANAKA Hisaaki The University of Electro-Communications
Project Period (FY)	2008 – 2010Completed
Keywords	無線通信方式 / 同期方式 / アドホックネットワーク
Research Abstract	This research has realized the following three major results, through systematic experiments and analysis.(i) Design and verification of extremely pow ...

Research Products of this project	Journal Article (8 results, of which Peer Reviewed: 6 results) Presentation (30 results) Patent(Industrial Property Rights) (11 results)

6. Systematic Construction and Combination of Timing Synchronization and Routing in Large-Scale Ad-hoc Networks

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	Communication/Network engineering
Research Institution	The University of Electro-Communications
Principal Investigator	TANAKA Hisa-Aki The University of Electro-Communications, Faculty of Electro-Communications, Associate Professor
Project Period (FY)	2006 – 2007Completed
Keywords	timing synchronization / routing / large-scale network / IEEE 802.11
Research Abstract	This research aims at constructing self adaptive communication protocols and networking in large-scale, high-density ad-hoc networks. ...

Research Products of this project	Journal Article (13 results, of which Peer Reviewed: 5 results)

7. センサーネットにおける動的な相互通信ネットワークの自律的構成方法の研究

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	Communication/Network engineering
Research Institution	The University of Electro-Communications
Principal Investigator	田中久陽電気通信大学, 電気通信学部, 助教授
Project Period (FY)	2004 – 2005Completed
Keywords	センサネット / 広域ネットワーク / タイミング同期 / IEEE802.11 / IEEE 802.11
Research Abstract	本研究は未開拓領域であるセンサネットの広域,高密度ネットワーク通信を目指し,これを可能とする自律的な通信方式と網構成法を確立することを目的としている.そのために広域分散のマルチホップネットワークを対象として,そのMACレイヤにおけるタイミング同期を明らかにすることを初期の目的とした.タイミング同期の ...

Research Products of this project	Journal Article (4 results) Patent(Industrial Property Rights) (1 results)

8. 大規模2次元アレーデバイスの同期機能の解明と向上に関する研究

Research Project

Research Category	Grant-in-Aid for Young Scientists (B)
Research Field	電子デバイス・機器工学
Research Institution	The University of Electro-Communications
Principal Investigator	田中久陽電気通信大学, 電気通信学部, 助教授
Project Period (FY)	2002 – 2003Completed
Keywords	発振器アレー / ミリ波発振器 / 注入同期 / 相互同期 / 引き込み現象
Research Abstract	ミリ波発振器やレーザーダイオードの注入同期・相互同期の理論的解明と応用研究の両者に生じているギャップに橋渡しすることを目的として研究を行なってきた.その結果,まず次の2点が達成された.

Research Products of this project	Publications (2 results)