研究者総覧

髙坂 拓司
工学部
教授
Last Updated :2025/01/25

研究者基本情報

基本情報

氏名

  • 氏名

    髙坂 拓司
  • 氏名(カナ)

    (コウサカ タクジ)

基本情報

連絡先等

  • eメール

    takujibifurcation.jp

所属

所属(マスタ)

  • 工学部, 教授
  • 電気電子工学科, 教授
  • 工学研究科, 教授

その他基本情報

所属学協会

  • IEEE
  • 電子情報通信学会
  • 電気学会

委員歴

  • 電子情報通信学会, 非線形問題研究専門委員会 顧問
  • 電子情報通信学会, ソサイエティ論文誌編集委員会 査読委員
  • 信号処理学会, 論文誌編集委員
  • 信号処理学会, NCSP運営委員会委員
  • 信号処理学会, NCSP運営委員会委員
  • 信号処理学会, 論文誌編集委員
  • 電子情報通信学会, ソサイエティ論文誌編集委員会 査読委員
  • 電子情報通信学会, 非線形問題研究専門委員会 顧問
  • 信号処理学会, NCSP運営委員会委員
  • 信号処理学会, 論文誌編集委員
  • ソサイエティ論文誌編集委員会 査読委員
  • 電子情報通信学会, 非線形問題研究専門委員会 顧問
  • 電子情報通信学会, 基礎・境界ソサイエティ学術奨励賞選定委員
  • 電子情報通信学会, ソサイエティ論文誌編集委員会 査読委員
  • 電子情報通信学会, NOLTAソサイエティ運営委員
  • 電子情報通信学会, 非線形問題研究専門委員会
  • 電子情報通信学会, 研究会システムWG
  • 電子情報通信学会, 研究会連絡会
  • 信号処理学会, 論文誌編集委員
  • 信号処理学会, NCSP運営委員会委員
  • 電子情報通信学会, 基礎・境界ソサイエティ学術奨励賞選定委員
  • 電子情報通信学会, ソサイエティ論文誌編集委員会 査読委員
  • 電子情報通信学会, NOLTAソサイエティ運営委員
  • 電子情報通信学会, 非線形問題研究専門委員会 副委員長
  • 電子情報通信学会, 研究会システムWG
  • 電子情報通信学会, 研究会連絡会
  • 電子情報通信学会, Proc. of NOLTA2020/Publication chair
  • 信号処理学会, 論文誌編集委員
  • 信号処理学会, NCSP運営委員会委員
  • 電子情報通信学会, 非線形問題研究専門委員
  • 電子情報通信学会, ソサイエティ論文誌編集委員会 査読委員
  • 信号処理学会, 論文誌編集委員
  • 信号処理学会, NCSP運営委員会委員

研究活動情報

研究分野等

研究分野

  • 電気電子工学 / システム工学 /
  • 情報学 / 感性情報学・ソフトコンピューティング /
  • 電気電子工学 / 制御工学 /

研究キーワード

  • ニューラルネットワーク
  • 回路理論
  • 非線形力学系
  • 機械振動
  • パワーエレクトロニクス
  • 断続システム論

著書・発表論文等

論文

  • 論文
    Homoclinic Points Calculation Method With Particle Swarm Optimization
    T. Makino, Y. Miino, H. Matsushita, T. Kousaka
    IEEE Access, 35257, 35270, 2024年, 査読有, 共著(共編著)
  • 論文
    Mechanisms of taming chaos in stick-slip vibrations of forced-self-excited mechanical systems with dry friction
    H. Kato, K. Kato, S. Karube, H. Asahara, T. Kousaka
    Transactions of The Institute of Systems, Control and Information Engineers, 37, 6, 151, 157, 2024年, 査読有, 共著(共編著)
  • 論文
    Bifurcation mechanisms underlying the nested mixed-mode oscillations in a canard-generating driven Bonhoeffer-van der Pol oscillator
    K. Kato, T. Kousaka, H. Okazaki, N. Inaba
    Chaos, Solitons and Fractals, 180, 3, 114483-1, 114483-11, 2024年, 査読有, 共著(共編著)
  • 論文
    Codimension-two bifurcation parameter detection strategy with nested-layer particle swarm optimization
    H. Matsushita, T. Gotoh, T. Kousaka
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 15, 1, 168, 182, 2024年, 査読有, 共著(共編著)
  • 論文
    Non-gradient-based simultaneous strategy for bifurcation parameter detection
    H. Matsushita, H. Kurokawa, T. Kousaka
    Chaos, Solitons and Fractals, 176, 12, 114124-1, 114124-13, 2023年, 査読有, 共著(共編著)
  • 論文
    A Unique Bifurcation Structure in One- Dimensional Model of Current-Controlled Step-Up DC-DC Converter with Photovoltaic Module
    S. Uchino, S. Aoki, T. Kousaka, H. Asahara
    Transactions of ISCIE, 36, 6, 155, 162, 2023年, 査読有, 共著(共編著)
  • 論文
    Fixed point analysis of a first-order discrete model for the random early detection with nonlinearity
    K. Kato, D. Ito, T. Kousaka
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 14, 3, 570, 578, 2023年, 査読有, 共著(共編著)
  • 論文
    Derivation of Local Bifurcation Points in Autonomous Systems by Using Particle Swarm Optimization
    T. Gotoh, H. Kurokawa, H. Matsushita, T. Kousaka
    Transactions of the Institute of Systems, Control and Information Engineers(ISCIE), 36, 5, 121, 129, 2023年, 査読有, 共著(共編著)
  • 論文
    Modified parallel nested-layer particle swarm optimization algorithm for fast bifurcation point detection and its software implementation
    T. Hasegawa, H. Matsushita, T. Kousaka, H. Kurokawa
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 14, 2, 308, 318, 2023年, 査読有, 共著(共編著)
  • 論文
    Effects on random early detection of the packet drop probability function with an adjustable nonlinearity
    K. Kato, H. Kato, H. Asahara, D. Ito, T. Kousaka
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 14, 2, 193, 206, 2023年, 査読有, 共著(共編著)
  • 論文
    Nested mixed-mode oscillations in a canard-generating driven Bonhoeffer–van der Pol oscillator
    K. Kato, N. Inaba, K. Shimizu, T. Kousaka, H. Okazaki
    Physica D: Nonlinear Phenomena, 440, 133438-1, 133438-13, 2022年, 査読有, 共著(共編著)
  • 論文
    Revealing the mechanism causing stepwise maximum bounce height changes in a bouncing ball system
    S. Karube, Y. Uemura, T. Kousaka, N. Inaba
    AIP Advances, 12, 6, 065022-1, 065022-10, 2022年, 査読有, 共著(共編著)
  • 論文
    入れ子構造型粒子群最適化を用いた非線形力学系のNeimark-Sacker分岐点導出法について
    後藤 友綺, 黒川 弘章, 松下春奈, 高坂拓司
    電気学会論文誌C, 142, 6, 670, 678, 2022年, 査読有, 共著(共編著)
  • 論文
    Improved nested-layer particle swarm optimization-based bifurcation point detection for the parameter space containing various bifurcation points
    T. Hirayama, H. Matsushita, H. Kurokawa, T. Kousaka
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 13, 2, 493, 510, 2022年, 査読有, 共著(共編著)
  • 論文
    Bifurcation point detection with parallel nested layer particle swarm optimization
    T. Hasegawa, H. Matsushita, T. Kousaka, H. Kurokawa
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 13, 2, 312, 317, 2022年, 査読有, 共著(共編著)
  • 論文
    Bifurcation mechanism of doubly nested mixed-mode oscillations
    K. Kato, N. Inaba, T. Kousaka
    Nonlinear Theory and Its Applications (NOLTA) IEICE, 13, 2, 294, 299, 2022年, 査読有, 共著(共編著)
  • 論文
    Bifurcation analysis of mixed-mode oscillations and Farey trees in an extended Bonhoeffer–van der Pol oscillator
    M. Sekikawa, T. Kousaka, T. Tsubone, N. Inaba, H. Okazaki
    Physica D: Nonlinear Phenomena, 13, 2, 133178-1, 133178-13, 2022年, 査読有, 共著(共編著)
  • 論文
    Mixed-mode oscillations from a constrained extended Bonhoeffer--van der Pol oscillator with a diode
    N. Inaba, T. Kousaka, T. Tsubone, H. Okazaki, H. Ito
    Chaos: An Interdisciplinary Journal of Nonlinear Science, 073133-1, 073133-17, 2021年, 査読有, 共著(共編著)
  • 論文
    Stability Analysis Based on Monodromy Matrix for Switched Dynamical Systems
    H. Asahara, T. Kousaka
    Nonlinear Theory and Its Applications, IEICE, 237, 256, 2021年, 査読有, 共著(共編著)
  • 論文
    排熱発電用電力変換回路
    麻原寛之,内野翔太,高坂拓司
    システム/制御/情報, 213, 218, 2021年, 査読有, 共著(共編著)
  • 論文
    Experimental and numerical study of nonsmooth maximum bounce height changes in a bouncing ball system
    S. Karube, T. Kousaka, N. Inaba
    Chaos: An Interdisciplinary Journal of Nonlinear Science, 103111, 103111, 2020年, 査読有, 共著(共編著)
  • 論文
    Particle swarm optimization-based strategy for detecting border-collision bifurcation points in piecewise smooth maps
    H. Matsushita, W. Kinishita, H. Kurokawa, T. Kousaka
    Applied Soft Computing, 106319-1, 106319-11, 2020年, 査読有, 共著(共編著)
  • 論文
    Bifurcation analysis by particle swarm optimization
    Haruna Matsushita, Hiroaki Kurokawa, Takuji Kousaka
    Nonlinear Theory and Its Applications, IEICE, 391, 408, 2020年, 査読有, 共著(共編著)
  • 論文
    Bifurcation Analysis in an Interrupted Dynam- ical System with State Dependent Input
    S. Uchino, Y. Maeda, T. Iida, H. Ohtagaki, T. Kousaka, H. Asahara
    Transactions of ISCIE, 24, 31, 2020年, 査読有, 共著(共編著)
  • 論文
    Nested mixed-mode oscillations
    N. Inaba, T. Kousaka
    Physica D: Nonlinear Phenomena, 132152-1, 132152-18, 2019年, 査読有, 共著(共編著)
  • 論文
    Nested-layer particle swarm optimization method for bifurcation point detection in non-autonomous systems
    H. Matsushita, W. Kinoshita, H. Kurokawa, T. Kousaka
    Journal of Nonlinear Theory and Its Applications, IEICE, 289, 302, 2019年, 査読有, 共著(共編著)
  • 論文
    A human behavior strategy estimation method using homology search for rock-scissors-paper game
    T. Komai, S-J Kim, T. Kousaka, H. Kurokawa
    Journal of Signal Processing, 177, 180, 2019年, 査読有, 共著(共編著)
  • 論文
    Mathematical analysis for homoclinic bifurcation in a DC-CD converter with a photovoltaic module expressed by a piecewise-liner characteristic
    T. Kousaka, S. Osada, H. Kato, H. Asahara
    IEEJ Transactions on Electrical and Electronic Engineering, 1422, 1423, 2019年, 査読有, 共著(共編著)
  • 論文
    Saddle-node bifurcation parameter detection strategy with nested-layer particle swarm optimization
    H. Matsushita, H. Kurokawa, T. Kousaka
    Chaos, Solitons and Fractals, 126, 134, 2019年, 査読有, 共著(共編著)
  • 論文
    A general method to stabilize unstable periodic orbits for switched dynamical systems with a periodically moving threshold
    Y. Miino, D. Ito, H. Asahara, T. Kousaka, T. Ueta
    International Journal of Circuit Theory and Applications, 2380, 2393, 2018年, 査読有, 共著(共編著)
  • 論文
    1次元離散力学系における入れ子構造型粒子群最適化法によるサドルノード分岐点導出
    松下春奈, 黒川弘章, 高坂拓司
    電気学会論文誌C, 1646, 1647, 2018年, 査読有, 共著(共編著)
  • 論文
    Stability Analysis of State-Time-Dependent Nonlinear Hybrid Dynamical Systems
    H. Asahara, T. Kousaka
    IEEJ Transactions on Electrical and Electronic Engineering, 283, 288, 2019年, 査読有, 共著(共編著)
  • 論文
    Stability Analysis Method using Monodromy Matrix for Impacting Systems
    H. Asahara and T. Kousaka
    IEICE Trans. Fundamentals, 904, 014, 2018年, 査読有, 共著(共編著)
  • 論文
    Mixed-mode oscillation-incrementing bifurcations and a devil’s staircase from a nonautonomous, constrained Bonhoeffer–van der Pol oscillator
    H. Takahashi, T. Kousaka, H. Asahara, N. Stankevich, N. Inaba
    Progress of Theoretical and Experimental Physics, 103A02-1, 103A02-16, 2018年, 査読有, 共著(共編著)
  • 論文
    Clock pulse modulation for ripple reduction in buck-converter circuits
    D. Ito, H. Asahara, T. Kousaka, T. Ueta
    Chaos, Solitons and Fractals, 138, 145, 2018年, 査読有, 共著(共編著)
  • 論文
    Stick-slip chaos in a mechanical oscillator with dry friction
    T. Kousaka, H. Asahara and N. Inaba
    Progress of Theoretical and Experimental Physics, 033A01-1, 033A01-11, 2018年, 査読有, 共著(共編著)
  • 論文
    Relationship of fast‐scale and slow‐scale instabilities in switching circuit with multiple inputs
    Hiroyuki Asahara, Soumitro Banerjee, Takuji Kousaka
    International Journal of Circuit Theory and Applications, 1382, 1396, 2017年, 査読有, 共著(共編著)
  • 論文
    Period Doubling Bifurcation Point Detection Strategy with Nesting Layer Particle Swarm Optimization
    H. Matsushita, H. Kurokawa and T. Kousaka
    International Journal of Bifurcation and Chaos, 1750101-1, 1750101-16, 2017年, 査読有, 共著(共編著)
  • 論文
    Analysis of Mixed-Mode Oscillation-Incrementing Bifurcations Generated in a Nonautonomous Constrained Bonhoeffer–van der Pol Oscillator
    T. Kousaka, Y. Ogura, K. Shimizu, H. Asahara, N. Inaba
    Physica D, 48, 57, 2017年, 査読有, 共著(共編著)
  • 論文
    Stick-slip chaos in a mechanical oscillator with dry friction
    T. Kousaka, H. Asahara and N. Inaba
    Progress of Theoretical and Experimental Physics, 033A01-1, 033A01-11, 2017年, 査読有, 共著(共編著)

書籍等出版物

  • Nonlinear Dynamical Systems with Interrupted Characteristics: Bifurcation and Control, Chapter 19, Chaos and Bifurcation in Circuits and Systems
    T. Kousaka, T. Ueta, H. Kawakami
    著書, 分担執筆, World Scientific, 2002年
  • Threshold Control for Stabilization of Unstable Periodic Orbits in Chaotic hybrid Systems, Chapter 6, Analysis and Control of Complex Dynamical Systems
    D. Ito, T. Ueta, T. Kousaka, J. Imura, K. Aihara
    著書, 分担執筆, Springer, 2015年
  • Analysis of bifurcation in oscillatory circuits, Chapter 2, Oscillator Circuits: Frontiers in Design, Analysis and Applications
    H. Asahara, T. Kousaka and T. Ueta
    著書, 分担執筆, The Institution of Engineering Technology, 2016年

講演・口頭発表等

  • Local bifurcations of an impacting oscillator with two masses
    Y. Miino, T. Kousaka, S. Karube
    2024 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Grazing bifurcation point derivation method for forced self-excited systems with dry friction
    K. Takaoka, Y. Miino, H. Asaahra, T. Kousaka
    2024 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Derivation method of the border-collision bifurcation point based on the monodromy matrix for switched dynamical systems
    H. Akiba, Y. Miino, H. Asahara, T. Kousaka
    2024 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Study of parallel-connected DC-DC converters with unbalanced thermoelectric modules
    M. Toyoda, C. Kondo, T. Kousaka, H. Asaahara
    2024 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Experimental investigation of nonlinear phenomena and circuit performance for high step-up DC-DC converter with TEM
    A Yokota, T. Kousaka, H. Asaahara
    2024 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Parallel Nested-Layer Particle Swarm Optimization for bifurcation parameter detection
    T. Hasegawa, H. Matsushita, T. Kousaka, H. Kurokawa
    The 15th International Conference on ICT Convergence(ICTC2024), 共同, 国際会議
  • Derivative-Free-Optimization-based Bifurcation Point Detection Method without Parameter Tuning
    H. Matsushita, H. Kurokawa, T. Kousaka
    2024 IEEE International Symposium on Circuits and Systems(ISCAS2024), 共同, 国際会議
  • Neimark-Sacker Bifurcation in DC-DC Converter with Photovoltaic Module
    H. Asahara, T. Kousaka
    2024 IEEE International Symposium on Circuits and Systems(ISCAS2024), 共同, 国際会議
  • Manifold tracking method in 1-dimensional discrete-time systems using particle swarm optimization
    M. Hosoda, H. Kitajima, H. Matsushita, T. Kousaka
    The 55rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • Analysis of chaotic attractor in an interrupted circuit with TEM characteristics
    R. Komori, K. Kato, Y. Miino, H. Asahara, T. Kousaka
    The 55rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • The Behavior of Nonlinear RED on 10 Gigabit Ethernet
    T. Hase, K. Kato, D. Ito, T. Kousaka
    The 55rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • Bifurcation analysis of a chaotic interrupted system with a periodic threshold
    Y. Suzuki, K. Kato, H. Asahara, T. Kousaka
    The 20th International SoC Conference, 共同, 国際会議
  • Experimental Verification of Slow-Scale Oscillation in DC-DC Converter with Photovoltaic Module
    D. Hozumi, S. Uchino, T. Kousaka, H. Asahara
    The 20th International SoC Conference, 共同, 国際会議
  • A calculation method of homoclinic points for periodic points with PSO
    T. Makino, Y. Miino, H. Matsushita, T. Kousaka
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Stability analysis of MMOs in a forced BVP oscillator with constraint
    K. Kiyosu, H. Asahara, Y. Miino, N. Inaba, T. Kousaka
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Stability analysis method of a PV-fed boost converter
    T. Kato, K. Kiyosu, H. Asahara, Y. Miino, T. Kousaka
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Study of nonlinear phenomena in high step-up DC-DC converter with TEM
    A. Yokota, T. Kousaka, S. Uchino, T. Iida, H. Asahara
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Bifurcation point detection of non-autonomous systems with differential evolution
    H. Matsushita, H. Kurokawa‡, T. Kousaka
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Numerical analysis for stability of DC-DC converter with TEM
    D. Hozumi, S. Uchino, T. Kousaka‡, H. Asahara
    2023 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Investigation of Bifurcation Point Detection Method Based on a Differential Evolution
    R. Adachi, H. Matsushita, H. Kurokawa, T. Kousaka
    2022 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • An application software for bifurcation point detection of dynamical systems with nested-layer particle swarm optimization
    T. Hasegawa, H. Matsushita, T. Kousaka, H. Kurokawa
    2022 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Effects of a nonlinear packet drop probability function on RED performance
    K. Kato, H. Kato, H. Asahara, D. Ito, T. Kousaka
    2022 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Experimental investigation of chatter switching on high-side gate driver circuit for DC-DC converter
    D. Ito, T. Kousaka, H. Asahara
    2022 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Study of nonlinear phenomena in current-mode controlled DC-DC converter with TEM via a closed-form mapping without approximation
    D. Hozumi, S. Uchino, T. Kousaka, H. Asahara
    2022 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Qualitative property of high-side gate driver circuit considering parasitic capacitance of MOSFETs
    Y. Goto, H. Asaahra, D. Ito, T. Kousaka
    2022 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Nonlinear phenomena in buck converter with AC power supply
    S. Aoki, S. Uchino, T. Kousaka, H. Asahara
    2022 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Application of Differential Evolution to Detect Bifurcation Point with High Number of Periods
    R. Adachi, H. Matsushita, H. Kurokawa, T. Kousaka
    2022 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Computation of homoclinic points using particle swarm optimization in 2-dimensional discrete dynamical systems
    T. Makino, Y. Miino, H. Matsushita, T. Kousaka
    The 19th International SoC Conference, 共同, 国際会議
  • A simple approach of stability analysis and MPPT control in DC-DC converter with TEMComparative Study of Nonlinear Dynamics in DC-DC Converter with TEM
    Y. Furutani, T. Kousaka, S. Uchino, H. Asahara
    The 19th International SoC Conference, 共同, 国際会議
  • Comparative Study of Nonlinear Dynamics in DC-DC Converter with TEM
    D. Hozumi, S. Uchino, T. Kousaka, H. Asahara
    The 19th International SoC Conference, 共同, 国際会議
  • Chattering phenomenon in a high-side gate driver circuit using MOSFET equivalent circuit
    Y. Goto, H. Asahara, D. Ito, T. Kousaka
    The 19th International SoC Conference, 共同, 国際会議
  • Analysis on Transition between Stick-slip State and Slip State in Non-autonomous System with Dry Friction
    K. Obata, K. Hirana, T. Kousaka
    The 54rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • Taming chaos in stick-slip vibrations of forced-self-excited mechanical systems with dry friction
    H. Katok K. Kato, S. Karube, H. Asahara, T. Kousaka
    The 54rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • Derivation method of the bifurcation point for one-periodic solution in a forced BVP oscillator with constraint
    K. Kiyosu, H. Asahara, N. Inaba, Y. Miino, T. Kousaka
    The 54rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • A Basic Study of Bifurcation Phenomena in Injection-Locked Class-E Oscillator
    S. Aoki, S. Uchino, T. Kousaka, H. Sekiya, H. Asahara
    2021 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Proposal of a Bifurcation Point Search Method Based on Differential Evolution
    R. Adachi, H. Matsushita, H. Kurokawa, T. Kousaka
    2021 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Universality and Self-Similar Structures for Mixed-Mode Oscillations in Forced BVP Oscillators, Part II
    H. Okazaki, N. Inaba, T. Kousaka, D. Ito
    2021 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Effectiveness of a First-Order Discrete Model Regarding Nonlinear RED
    K. Kato, H. Asahara, D. Ito, T. Kousaka, H. Kurokawa, T. Kousaka
    2021 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Relationship of Bifurcation and Power Conversion Efficiency in DC-DC Converter with TEM
    S. Uchino, T. Kousaka, H. Asahara
    5th IEEE International Future Energy Electronics Conference, 共同, 国際会議
  • An Evaluation of Parallelized Nested Layer Particle SwarmOptimization for Bifurcation Point Detection
    T. Hasegawa, H. Matsushita, T. Kousaka, H. Kurokawa
    The 53rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • Local bifurcation points derivation method in autonomous systemsusing particle swarm optimization
    T. Gotoh, H. Kurokawa, H. Matsushita, T. Kousaka
    The 53rd ISCIE International Symposiumon Stochastic Systems Theory and Its Applications, 共同, 国際会議
  • An Estimation Method for Controlling Unstable Periodic Orbit Without Using Poincaré Map
    S. Aoki, T. Kousaka, S. Uchino, D. Hozumi, Hiroyuki Asahara
    The 18th International System-on-Chip Conference, 共同, 国際会議
  • NLPSO-Based Bifurcation Point Detection That Improves Divisor Problem
    T. Hirayama, H. Matsushita, H. Kurokawa, T. Kousaka
    2020 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Packet drop probability with an exponential characteristic in TCP/RED
    K. Kato, H. Kato, D. Ito, T. Kousaka
    2021 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 共同, 国際会議
  • Analysis of a Simple DC-DC Converter Model with TEM
    S. Uchino, T. Kousaka, H. Asahara
    2021 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 共同, 国際会議
  • Stability Analysis of Fixed Point in DC-DC Converter Connected to Photovoltaic Module Without Using Linearized ODE Model
    S. Uchino, S. Aoki, T. Kousaka, H. Asahara
    2020 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Universality and self-similar structures for mixed-mode Oscillations in forced BVP Oscillators
    H. Okazaki, N. Inaba, T. Kousaka, D. Ito
    2020 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Bifurcation phenomena in a simple model of DC-DC converter with photovoltaic module
    S. Aoki, S. Hanafusa, S. Uchino, H. Ohtagaki, T. Kousaka, H. Asahara
    2020 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • A Study of Chattering in a High-Side MOSFET Gate Driver Circuit
    T. Ogura, T. Kousaka, D. Ito
    2020 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Improved Nested-Layer Particle Swarm Optimization for Bifurcation Point Detection on Discrete Dynamic Systems
    J. Shirasaka, H. Matsushita, H. Kurokawa, T. Kousaka
    2020 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Improved NLPSO-Based Bifurcation Point Detection for the Parameter Space Containing Various Bifurcation Points
    T. Hirayama, H. Matsushita, H. Kurokawa, T. Kousaka
    2020 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Study for MPPT Algorithm with Amplitude Optimization of Periodic Border to DC-DC Converter with Photovoltaic ModuleSystems
    Kenta Shinohara, Takuji Kousaka, Hirokazu Ohtagaki, Hiroyuki Asahara
    2020 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 共同, 国際会議
  • Application of Particle Swarm Optimization to the Calculation of Border-Collision Bifurcation Point in a One-dimensional Piecewise Nonlinear Discrete Dynamical System
    W. Kinoshita, H. Kato, H. Kurokawa, H. Matsushita, T. Kousaka
    2019 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Behavior of Current-Controlled DC-DC Converter with TEM
    S. Uchino, T. Kousaka, H. Ohtagaki, K. Shinohara, H. Asahara
    2019 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • Basic circuit design of high step-up ratio DC-DC converter
    T. Yamamoto, S. Uchino, F. Mohamad, K. Shinohara, T. Iida, T. Kousaka, H. Ohtagaki, H. Asahara
    16th International SoC Conference, 共同, 国際会議
  • Mixed-Mode Oscillations and Mixed-Mode Oscillation-Incrementing Bifurcations in an Extended BVP Oscillator with a Diode
    Y. Nagata, K. Shimizu, T. Kousaka, N. Inaba
    World Congress on Engineering and Computer Science 2019, 共同, 国際会議
  • Application of Particle Swarm Optimization for Calculating Local Bifurcation Point in Two-dimensional Continuous Dynamical Systems
    W. Kinoshita†, H. Kato, H. Kurokawa, H. Matsushita, T. Kousaka
    2019 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 共同, 国際会議
  • The Rock-Scissors-Paper game strategy estimation method using homology search
    T. Komai, S.J. Kim, T. Kousaka, and H. Kurokawa
    2019 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 共同, 国際会議
  • Similarity analysis of Rock-Scissors-Paper game strategy using homology search
    T. Komai, S. Kim, H. Matsushita, T. Kousaka, H. Kurokawa
    2018 IEEE Workshop on Nonlinear Circuit Networks, 共同, 国際会議
  • A Simple Circuit Model for PWM-1-Controlled DC-DC Converter and Its Analysis
    K. Tamura, Y. Kametaka, T. Kousaka, H. Ohtagaki, H. Asahara
    15th International SoC Design Conference, 共同, 国際会議
  • Experimental Study of Stick-slip Dynamics in Periodically Forced Oscillators with Dry Friction
    S. Karube, T. Nagaoka, T. Kousaka
    13th International Symposium on Advanced Science and Technology in Experimental Mechanics, 共同, 国際会議
  • Application of Particle Swarm Optimization to the Calculation of Border Collision Bifurcation Point in a One-dimensional map
    W. Kinoshita, M. Sakai, H. Kato, H. Kurokawa, H. Matsushita, T. Kousaka
    2018 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • A Basic Circuit Design of Pile-up DC-DC Converters
    S. Uchino, T. Iida, N. Kasa, T. Kousaka, H. Ohtagaki, K. Shinohara, H. Asahara
    2018 International Symposium on Nonlinear Theory and Its Applications, 共同, 国際会議
  • Cirucuit Design of DC-DC Converter with Potovoltaic Cell
    K. Shinohara, H. Ohtagaki, T. kousaka, D. Watanabe, H. Asahara
    2017 Taiwan and Japan Conference on Circuits and Systems, 2017年, 共同, 国際会議, Okayama, Japan
  • Parallel Connected DC-DC Converter
    M. F. Abdullah, H. Ohtagaki, T. Kousaka, K. Shinohara, H. Asahara
    2017 Taiwan and Japan Conference on Circuits and Systems, 2017年, 共同, 国際会議, Okayama, Japan
  • PSO with Fluctuating Acceleration Coefficients for Deriving Period Doubling Bifurcation Sets
    K. Yamazaki, H. Kitajima, H. Kurokawa, T. Kousaka, and H. Matsushita
    2017 Taiwan and Japan Conference on Circuits and Systems, 2017年, 共同, 国際会議, Okayama, Japan
  • PWM-1 Current-Controlled DC-DC Converter
    R. Miki, H. Ohtagaki, T. Kousaka, K. Shinohara, and Hiroyuki Asahara
    2017 Taiwan and Japan Conference on Circuits and Systems, 2017年, 共同, 国際会議, Okayama, Japan
  • Experimental Study on Vibration Characteristics in Vibration Cutting Process
    S. Karube, Y. Kubo, T. Kousaka
    2017 International Symposium on Nonlinear Theory and Its Applications, 2017年, 共同, 国際会議, Cancun, Mexico
  • Particle Swarm Optimization for Calculating Local Bifurcation Point in One-dimensional Discrete Dynamical Systems
    Y. Tomimura, H. Kurokawa, H. Matsushita, T. Kousaka
    2017 International Symposium on Nonlinear Theory and Its Applications, 2017年, 共同, 国際会議, Cancun, Mexico
  • Qualitative Properties of Fast-Slow Characteristic Circuit with the Switching Delay
    S. Osada, H. Asahara, T. Kousaka
    IEEE Workshop on Nonlinear Circuit Networks, 2017年, 共同, 国際会議, Tokushima, Japan
  • Deriving Method of Period Doubling Bifurcation Point by Modified PSO
    K. Yamazaki, H. Kurokawa, T. Kousaka, H. Matsushita
    IEEE Workshop on Nonlinear Circuit Networks, 2017年, 共同, 国際会議, Tokushima, Japan
  • Deriving Method of a Period Doubling Bifurcation Point by Piecewise-Linear Particle Swarm Optimizer
    K. Yamazaki, H. Kurokawa, T. Kousaka, and H. Matsushita
    2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 2018年, 共同, 国際会議, Hawaii, USA
  • Dynamical effect on a forced self-excited system with dry friction by weak harmonic perturbation
    T. Yamaguchi, S. Osada, H. Asahara, S. Karube, T. Kousaka
    2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 2018年, 共同, 国際会議, Hawaii, USA
  • Experimental Analysis of the Fast-Slow Characteristic Circuit with the Spike Noise
    S. Osada, H. Kato, H. Asahara, T. Kousaka
    2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 2018年, 共同, 国際会議, Hawaii, USA
  • Experimental Study of a Stabilizing Method using Periodic Threshold to DC-DC Converter with Photovoltaic Module
    K. Shinohara, T. Kousaka‡, H. Kato‡ H. Ohtagaki† and H. Asahara
    2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 2018年, 共同, 国際会議, Hawaii, USA
  • Stabilizing Method by Changing Switching Timing in Switched Dynamical Systems
    A. Ikemoto, Y. Kanazawa, T. Kousaka, H. Kato, D. Ito, T. Ueta, H. Ohtagaki, H. Asahara
    2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing, 2018年, 共同, 国際会議, Hawaii, USA

その他研究情報

受賞

  • 2017年, 高坂拓司, 単独, 電子情報通信学会, NOLTAソサイエティ貢献賞
  • 高坂拓司, 単独, 電子情報通信学会, 基礎・協会ソサイエティ貢献賞

外部資金

  • 日本学術振興会
    公的研究費, 分担, MMOsの入れ子制御による心臓不整脈の発症予防, 2024
  • 日本学術振興会
    公的研究費, 代表, 受動素子の劣化を伴うゲート駆動回路に潜む非線形現象, 2024
  • 日本学術振興会
    公的研究費, 代表, 受動素子の劣化を伴うゲート駆動回路に潜む非線形現象 研究課題, 2023
  • 日本学術振興会
    公的研究費, 代表, 受動素子の劣化を伴うゲート駆動回路に潜む非線形現象 研究課題, 2022
  • 日本学術振興会
    公的研究費, 代表, 間隙を伴う系が織りなす非線形振動, 2021
  • 日本学術振興会
    公的研究費, 分担, 入れ子構造を持つ粒子群最適化を用いた分岐解析アルゴリズムの高速化, 2021
  • 日本学術振興会
    公的研究費, 代表, 間隙を伴う系が織りなす非線形振動, 2020
  • 日比科学技術振興財団
    公的研究費, 代表, パケット破棄確率の非線形化がTCP/REDに与える影響, 2020
  • 日本学術振興会
    公的研究費, 分担, 入れ子構造を持つ粒子群最適化を用いた分岐解析アルゴリズムの高速化, 2020
  • 日本学術振興会
    公的研究費, 代表, 間隙を伴う系が織りなす非線形振動, 2019
  • 日本学術振興会
    公的研究費, 分担, 入れ子構造を持つ粒子群最適化を用いた分岐解析アルゴリズムの高速化, 2019
  • 日本学術振興会
    公的研究費, 分担, 準周期振動と部分同期現象について, 2018
  • 日本学術振興会
    公的研究費, 分担, 準周期振動と部分同期現象について, 2017
  • 日本学術振興会
    公的研究費, 代表, 摩擦を有する系にみられるスティック・スリップ状態とスリップ状態の境界を考える, 2018
  • 日本学術振興会
    公的研究費, 代表, 摩擦を有する系にみられるスティック・スリップ状態とスリップ状態の境界を考える, 2017, 2016, 2018

教育活動情報

授業等

担当経験のある科目

  • データサイエンスA、電気回路1・実習、電磁気学2・演習、電子回路, 非線形システム特論、非線形システムセミナー


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