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  4.  >  岡崎 秀晃 教授

岡崎 秀晃 教授


[研究テーマ]
量子コンピューティング・精度保証付き証明とその応用の研究

[主な担当科目]
微分積分学、多変量解析入門、IoT実習

[取得学位]
博士(工学)早稲田大学

専門・研究分野

応用数学、非線形回路・システム理論

研究テーマ

量子コンピューティング・精度保証付き証明とその応用の研究
IoTビッグデータを超高速並列処理するための量子アルゴリズムの研究を行い、ロボットのAI制御などに役立つコンピュータで絶対に正しい答えを求めて証明する方法を研究しています。関電工(株)技術研究所と共同で、いくつかの定理を実装した飛行型ドローンの墜落回避制御などの開発を行っています。

研究キーワード

飛行形ドローン、IoT、AI、量子コンピューティング、コンピュータ援用証明

SDGsとの関連


主な研究業績

<論文>
  1. Kundan Lal Das, Munehisa Sekikawa, Tadashi Tsubone, Naohiko Inaba, Hideaki Okazaki, "Experimental and numerical study of the synchronization of canards in identical coupled canard-generating Bonhoeffer-van der Pol oscillators", Physics Letters A, Volume 465, 28 March 2023, 128709,
    https://doi.org/10.1016/j.physleta.2023.128709.
  2. Naohiko Inaba, Tadashi Tsubone, Hidetaka Ito, Hideaki Okazaki, Tetsuya Yoshinaga, "Nested mixed-mode oscillations, Part III: Comparison of bifurcation structures between a driven Bonhoeffer–van der Pol oscillator and Nagumo–Sato piecewise-linear discontinuous one-dimensional map", Physica D: Nonlinear Phenomena, Volume 446, April 2023, 133667,
    https://doi.org/10.1016/j.physd.2023.133667.
  3. Kundan LAL DAS, Munehisa SEKIKAWA, Tadashi TSUBONE, Naohiko INABA, Hideaki OKAZAKI,"Synchronization of canards in coupled canard-generating Bonhoeffer-van der Pol oscillators subject to weak periodic perturbations",
    IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Nov. 2023,
    https://doi.org/10.1587/transfun.2023EAP1055.
  4. Hideaki OKAZAKI, "On a Piecewise Linear Function Approximation for Quantum Computation",19th IEEE Asia Pacific Conference on Circuits and Systems(APCCAS2023),19-22, Hyderabad, 4 pages, November 2023..
  5. Naohiko Inaba, Tadashi Tsubone, Hidetaka Ito, Hideaki Okazaki, Tetsuya Yoshinaga, "Nested mixed-mode oscillations, Part III: Comparison of bifurcation structures between a driven Bonhoeffer–van der Pol oscillator and Nagumo–Sato piecewise-linear discontinuous one-dimensional map", Physica D: Nonlinear Phenomena Volume 446, April 2023, 133667.
  6. Kundan Lal Das, Munehisa Sekikawa, Tadashi Tsubone, Naohiko Inaba, Hideaki Okazaki, "Experimental and numerical study of the synchronization of canards in identical coupled canard-generating Bonhoeffer-van der Pol oscillators", Physics Letters A Volume 465, 28 March 2023, 128709.
  7. M.Sekikawa, T. Kousaka, T. Tsubone, N.Inaba, and H. Okazaki, "Bifurcation analysis of mixed-mode oscillations and Farey trees in an extended Bonhoeffer–van der Pol oscillator" ,Physica D 433, pp. 133178-1–13, 2022.
  8. K. Kato, N. Inaba, K. Shimizu, T. Kousaka, and H. Okazaki, "Nested mixed-mode oscillations in a canard-generating driven Bonhoeffer–van der Pol oscillator" ,Physica D 440, pp. 133438-1–13, 2022.
  9. K, Ozawa and H, Okazaki, "A MUSIC GENERATION BY A COMBINING MODEL OF RESNET AND LSTM NETWORKS", Int. J. of Adv. Res. 10 (Mar). 937-943 2022.
  10. Hideaki Okazaki, Naohiko Inaba, and Takuji Kousaka, "Universality and self-similar structures for mixed-mode oscillations in forced BVP oscillators, Part2", The 2021 IEEE Workshop on Nonlinear Circuit Networks, 3-4 December, Tokushima, pp.33-36.
  11. Kazuya Ozawa, Kaito Isogai, Hideo Nakano, and Hideaki Okazaki,"Formal Chaos Existing Conditions on a Transmission Line Circuit with a Piecewise Linear Resistor", Appl. Sci. 2021, 11(20), pp.9672-9696 (2021).
    https://doi.org/10.3390/app11209672
  12. Kaito Isogai, Kazuya Ozawa, and Hideaki Okazaki, "Solving dimensionless multirotor state equations using an LSTM network", 2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 9-11 Aug., Lansing, MI, USA , pp.1017-1021 (2021).
  13. Naohiko Inaba, Takuji Kousaka, Tadashi Tsubone, Hideaki Okazaki, and Hidetaka Ito, "Mixed-mode oscillations from a constrained extended Bonhoeffer–van der Pol oscillator with a diode", Chaos: An Interdisciplinary Journal of Nonlinear Science Vol. 31, No. 7, pp.073133-073150, (2021).
    https://doi.org/10.1063/5.0040658
  14. Hidetaka Ito, Naohiko Inaba, and Hideaki Okazaki, “Successive nested mixed-mode oscillations,” IEICE Nonlinear Theory and its Application, Vol. 12, No. 1, pp. 88-102, (2021).
  15. Hideaki Okazaki, Naohiko Inaba, Takuji Kousaka, and Daisuke Ito, “Universality and self-similar structures for mixed-mode oscillations in forced BVP oscillators, The 2020 IEEE Workshop on Nonlinear Circuit Networks, 4-5 December, Tokushima, pp. 26—29 (invited).
  16. 岡崎 秀晃,磯貝 海斗 “飛行形ドローンのモータ故障問題”,電子情報通信学会 ESS-NLS ソサイエティ誌第14 巻 第1 号 7月2020,p.44-59
    https://doi.org/10.1587/essfr.14.1_44
  17. Kito Isogai and Hideaki Okazaki  “CONDITIONS TO REALIZE HEXAROTOR STABLE FLIGHTS TO AVOID A CRASH UNDER COMPLETE PROPELLOR MOTOR FAILURES”.  Int. J. Adv. Res. 8(01), 2020, pp. 261–278.
  18. Kaito Isogai, Hideo Nakano, and Hideaki Okazaki “How to Avoid a Multirotor Flight Crash under Complete Propeller Motor Failures Based on State Variable Approach” Sensors and Materials, Vol. 31, No. 12 (2019) 4173–4203
  19. Kazuya Ozawa, Kaito Isogai, Toshihiro Tachibana, Hideo Nakano, and Hideaki Okazaki “A Multiplication by a Neural Network (NN) with Power Activations and a Polynomial Enclosure for a NN with PreLUs” 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS) 4-7 Aug. 2019Dallas, TX, USA, pp. 323-326
  20. H. Okazaki, Siyuan Yin, K. Isogai, and H. Nakano, ``Motor speed control signals for multirotor flightsin the presence of complete propeller motor failures," \textit{2018 IEEE 61th International Midwest Symposium on Circuits and Systems (The IEEE MWSCAS 2018)}, pp. 384--387, 5--8 August 2018, Windor, Canada.
  21. K. Isogai, H. Nakano, and H. Okazaki, ``Modeling and Flight Control Simulationof Multirotors," \textit{2018 IEEE 61th International Midwest Symposium on Circuits and Systems (The IEEE MWSCAS 2018)}, pp.\ 388--391, 5--8 August 2018, Windor, Canada.
  22. H .Okazaki, `` On a Method Available for Multirotor Flight Plans in the Presence of Complete Propeller Motor Failures," Focus 101: Advanced AI, 3D Printing, and Robotics Technology, Section 1: Frontier Trends of Advanced Materials, BIT's 7th World Congress of Advanced Materials-2018, Theme: Innovation, Integration, Transformation and Sustainability, September 13-15, 2018, Xiamen, China.
    http://www.bitcongress.com/wcam2018 /program_section1.asp
  23. 磯貝海斗, 岡崎秀晃, \emph{空飛ぶドローン(マルチロータ)の状態変数の重要性}、依頼シンポジウム, AI-1. 回路とシステムにおける状態方程式の多種多様な応用, Proceedings of the 2018 IEICE Society Conference, 2018年 ソサエティ大会講演論文集, 金沢大学 2018年9月.
  24. Hideaki Okazaki, and Hideo Nakano, "A constructive enclosure approximation of a continuous function of many variables by piecewise linear functions", IEICE NOLTA Journal, Vol.7, No.2,pp.295-311, Apr.2016.
  25. Hideaki Okazaki, Shota Ueno, and Hideo Nakano, "A Bivariate Fractal Interpolation Surface with an Individual Vertical Scaling Factor", IEEE International Symposium on Circuits and System (ISCAS 2016), Montreal, 17-20 May. pp.686 - 689, 2016.
  26. Hideaki Okazaki, Kite Isogai, and Hideo Nakano, "Modeling and Simulation of Motion of a Quadcopter in a Light Wind", 2016 59th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2016), Abu Dhabi,16-19 Oct. pp. 117-120, 2016.
  27. Kito Isogai, Ryo Inohara, Hideo Nakano, and Hideaki Okazaki, "Modeling and Simulation of Motion of a Quadcopter", 2016 International Symposium on Nonlinear Theory and Its Applications, NOLTA2016, pp. 165- 168, Yugawara, Japan, November 27th-30th, 2016
  28. Ryo Inohara, Kito Isogai, Hideo Nakano, and Hideaki Okazaki, "Modeling and Simulation of Motion of an Underwater Robot", 2016 International Symposium on Nonlinear Theory and Its Applications, NOLTA2016, pp. 161- 164, Yugawara, Japan, November 27th-30th, 2016.
  29. Kazuya Ozawa, Hiroyuki Yamada, Hideo Nakano, and Hideaki Okazaki, "Application of a Bivariate Fractal Interpolation Surface to an Analysis of Perspective Painting Images", 2016 International Symposium on Nonlinear Theory and Its Applications, NOLTA2016, pp. 435-438, Yugawara, Japan, November 27th-30th, 2016
  30. Hideaki Okazaki and Hideo Nakano, "On a piecewise linear enclosure method of continuous functions of many variables", 2014 IEEE Asia Pacific Conference on Circuits and Systems (The IEEE APCCAS 2014), 17- 20,(2014)
  31. H. Okazaki and H. Nakano, On a Representation of Functions of Several Variables As Superposition of Functions of One Variable and Addition by Using An Algebraic Identity, CP4 Real and Complex Analysis, 2013 SIAM Annual Meeting July 8-12, 2013 San Diego, USA.
  32. H. Okazaki, K. Yashikida, H. Mizutani A one dimensional mapping method for time series data, 2012 55rd IEEE International Midwest Symposium on 490 493 (2012)
  33. H. Okazaki, H. Nakano, Brayton - Miranker's equations of transmission line circuits and their complete stability Circuits and Systems (MWSCAS), 2010 53rd IEEE International Midwest Symposium on 1097  1100 (2010)
  34. H. Okazaki, H. Nakano, Brayton - Moser's equations of transmission line circuits and their complete stability, Circuit Theory and Design, 2009. ECCTD 2009. European Conference on 902  905 (2009)
  35. H. Okazaki, T. Shidara, Y. Okubo, “A Piecewise Polynomial Canonical Representing Function and its Application to Image Edge Processing”, Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on  57 - 60, (2007)
  36. H. Okazaki, K. Hashimoto, H. Nakano, “A Precise Bifurcation in an Autonomous Circuit with OP Amp Based Nonlinear Resistors Which OP Amps Are Out of Normal Operating Conditions”, Circuits and Systems, 2007. MWSCAS 2007. 50th Midwest Symposium on 197  200 (2007)
  37. H. Okazaki, C. Okazaki, H. Honda, T. Kawamoto “Simulink based Model Realization for CDMA Communication over Power Lines” Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on Vol. 5, 4509 - 4512 (2005)
  38. H. Okazaki, F. Fujita, H. Honda, and H. Nakano “Rigorous Verification of Poincare Map Generated by a Continuous Piece-wise Linear Vector Field and its Application”, IEICE Trans. on Fundamentals E88-A , vol. 4, 810-817 (2005)
  39. H. Okazaki, K. Fujita, H. Nakano “Rigorous Verification of Poincare Map coming from a Continuous Piece-wise Linear Circuit”, Circuits and Systems, 2005. 48th Midwest Symposium on 1597 - 1600 Vol. 2, (2005)
  40. 特許第4545521号 電力線を利用した多元接続装置及び方法 (2010)
    US Patent 7865169  MULTIPLE ACCESS APPARATUS AND METHOD USING POWER LINE (2010)
  41. US Patent 6194996  Information Transfer via Power Line Carrier (2001)
  42. EP963058  Information Transfer via Power Line Carrier  (2007/07/18)
  43. Germeny Patent 69936559.7-08 Information Transfer via Power Line Carrier (2007/07/18)
  44. GB Patent GB 963058 Information Transfer via Power Line Carrier (2007/07/18)
  45. FR Patent FR963058 Information Transfer via Power Line Carrier (2007/07/18)
<発表>
  1. 岡崎秀晃, 大隅仁美, 武部未慧
    「少女マンガのカップルの恋愛:いつまでも一緒にいられるカップルとは」
    カップルの相互作用の数学モデル化のための基礎データを用いた定性・定量的考察
    日本マンガ学会第22回大会,第3会場/相模女子大学11号館 1125教室,2023年7月1日(土).
  2. 岡崎秀晃
    「量子コンピューティングによる微分方程式の解法について 」
    電子情報通信学会 ソサイエティ大会企画セッション AP-1“量子コンピュータにおける回路とシステム”,AP-1-5 , 2023年9月14日(木)名古屋大学

主な所属学会

電子情報通信学会、IEEE CAS

2020年7月1日 電子情報通信学会 ESS-NLSソサイエティ誌 第14巻 第1号に掲載されました

2011年1月4日 米国で特許の登録が認められました

イビデン株式会社(岐阜県・大垣市)の川本 卓二さんと共同研究を進めてきた、電力線を利用したネットワーク環境の構築方法で1月4日、米国で特許の登録が認められました。
既に国内では、昨年7月9日に申請から約6年の特許査定を経て、特許の登録が認められています。
同研究は、グランド付室内電力線に常時接続されている機器のネットワーク構築に役立つ符号多重分割アクセス型(CDMA)通信技術を発展させることを目的としたもので、同技術としては、セキュリティ分野やIT家電分野、制御・通信分野等の用途に期待されます。

国内特許(第4958574号)
発明の名称:プログラム論理の検証方法、プログラム論理の検証プログラム
出願日:2007年(平成19年)2月9日
登録日:2012年(平成24年)3月30日
米国特許(U.S. Patent Number 7865169)
発明の名称:MULTIPLE ACCESS APPARATUS AND METHOD USING POWER LINE
特許権者:岡崎 秀晃、イビデン株式会社
登録日:2011年1月4日

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