研究業績

Review Papers

  1. 小西, 杉谷
    結合発振器に生じるAmplitude Death —ロバスト安定性からのアプローチ—,
    Fundamentals Review, vol. 16, no. 2, pp. 76-82 (2022).
  2. Y. Sugitani and K. Konishi
    Delay-induced stabilization of coupled oscillators,
    Nonlinear Theory and Its Applications, IEICE, vol. 12, no. 4, pp. 612-624 (2021).
  3. 小西, 杉谷
    遅延フィードバック・遅延結合による非線形システムの安定化,
    計測と制御, vol. 55, no. 4, pp. 326-334 (2016).
  4. 小西,
    カオスシステムの制御,
    計測と制御, vol. 41, no. 8, pp. 606-612 (2002).
  5. 小西 小亀,
    交通流科学の新しい展開: システム制御理論の視点から,
    システム/制御/情報, vol. 45, no. 4, pp. 198-206 (2001).

 

Journals [1992 – ]

  1. K. Konishi, K. Yoshida, Y. Sugitani, and N. Hara (under review)
  2. S. Mizukami, K. Konishi, K. Yoshida, Y. Sugitani, and N. Hara (under review)
  3. K. Yoshida and K. Konishi,
    Adaptive delayed feedback control for stabilizing unstable steady states,
    Physical Review E, vol. 110, no. 1, p. 014214 (2024)
  4. Y. Sugitani, K. Kawahara, and K. Konishi,
    Robust design against frequency variation for amplitude death in delay-coupled oscillators,
    Physical Review E, vol. 109, no. 6, p. 064213 (2024)
  5. K. Konishi, K. Yoshida, Y. Sugitani, and N. Hara,
    Delay-induced amplitude death in multiplex oscillator network with frequency-mismatched layers,
    Physical Review E, vol. 109, no. 1, p. 014220 (2024)
  6. 岩本哲, 吉田晃基, 杉谷栄規, 小西啓治, 原尚之,
    構造が定期的に切り替わる遅延結合発振器群に生じる振動抑制現象,
    電子情報通信学会論文誌 A, vol. J106-A, no. 8, pp. 229-241 (2023)
  7. T. Imasaka, A. Ito, Y. Sugitani, K. Konishi, and N. Hara,
    Multi-phase synchronization for peak power reduction in energy storage oscillators coupled with delayed power price,
    Nonlinear Theory and Its Applications, IEICE, vol. 13, no. 3, pp. 544-557 (2022)
  8. 津屋朋花，原尚之，小西啓治,
    風速の予見情報を用いた浮体式洋上風車の個別ブレードピッチ角制御,
    電気学会論文誌Ｃ, vol. 142, no. 9, pp. 1008-1020 (2022)
  9. 勝俣久敏，小西啓治，原尚之，
    興奮性媒体を伝搬するwave segmentsのダイナミクス推定と最適サーボシステムに基づく安定化制御,
    計測自動制御学会論文集, vol. 58, no. 7, pp. 325-335 (2022)
  10. Y. Sugitani and K. Konishi,
    Amplitude death in delay-coupled oscillators on directed graph,
    Physical Review E, vol. 105, no. 6, p. 064202 (2022)
  11. T. Ito, K. Konishi, T. Sano, H. Wakayama, and M. Ogawa,
    Synchronization of relaxation oscillators with adaptive thresholds and application to automated guided vehicles,
    Physical Review E, vol. 105, no. 1, p. 014201 (2022)
  12. S. Mizukami, K. Konishi, Y. Sugitani, T. Kouda, and N. Hara,
    Effects of frequency mismatch on amplitude death in delay-coupled oscillators,
    Physical Review E, vol. 104, no. 5, p. 054207 (2021)
    [PDF]
  13. K. Yoshida, K. Konishi, and N. Hara,
    Basins and bifurcations of a delayed feedback control system and its experimental verification for a DC bus circuit,
    Nonlinear Dynamics, vol. 106, no. 3, p. 2363–2376 (2021)
    [PDF]
  14. 向井航太，原尚之，小西啓治
    小型無人船におけるセマンティックセグメンテーションによる単眼カメラ画像からの障害物検知の検討
    システム制御情報学会論文誌, vol. 34, no. 12, pp. 319-321 (2021)
  15. 三原大和，原尚之，小西啓治
    線形スイッチドシステムにおけるスイッチング回数削減のための安定化スイッチング則
    システム制御情報学会論文誌, vol. 34, no. 8, pp. 231-233 (2021)
  16. K. Mukai, N. Hara, and K. Konishi
    Experimental Validation of Propulsion Fault Detection System Using Moving Horizon Estimation in Quad-Maran Unmanned Vessel
    SICE Journal of Control, Measurement, and System Integration, vol. 14, no. 2, pp. 39-49 (2021)
  17. T. Iwamoto, Y. Sugitani, S. Masamura, K. Konishi, and N. Hara,
    Amplitude suppression of oscillators with delay connections and slow switching topology,
    Physical Review E, vol. 102, no. 3, p. 032206 (2020)
    [PDF]
  18. テキ博偉，小西啓治，原尚之,
    遅延結合した複素Ginzburg-Landauモデルに生じる不安定性,
    電子情報通信学会論文誌 A, vol. J103-A, no. 8, pp. 165-175 (2020)
    [PDF]
  19. Y. Okigawa, Y. Sugitani, and K. Konishi,
    Amplitude death in oscillators coupled by asymmetric connection delays with tree graph topology,
    European Physical Journal B, vol. 93, no. 7, p. 129 (2020)
  20. 津屋朋花，原尚之，小西啓治,
    予見する風速を用いた浮体式洋上風車スケール模型のブレードピッチ角制御,
    計測自動制御学会論文集, vol. 56, no. 5, pp. 299-309 (2020)
  21. S. Masamura, T. Iwamoto, Y. Sugitani, K. Konishi, N. Hara,
    Experimental investigation of amplitude death in delay-coupled double-scroll circuits with randomly time-varying network topology,
    Nonlinear Dynamics, vol. 99, no. 4, pp. 3155–3168 (2020)
    [PDF]
  22. K. Yoshida, K. Konishi, and N. Hara,
    Experimental observation of destabilization in a DC bus system and its stabilization with delayed feedback control,
    Nonlinear Dynamics, vol. 98, no. 3, pp. 1645–1657 (2019)
    [PDF]
  23. 末元 大樹，原 尚之，小西 啓治
    浮体式洋上風車のブレードにかかる荷重を考慮したブレードピッチ角制御器の設計および性能評価-個別ピッチ角制御と共通ピッチ角制御の性能比較-
    電気学会論文誌Ｃ, vol. 139, no. 4, pp.442-453 (2019)
  24. N. Hara and K. Konishi,
    Singular arcs in optimal control of continuous-time bimodal switched linear systems,
    IEEE Transactions on Automatic Control, vol. 64, no. 2, pp. 826-833 (2019)
    [PDF]
  25. Y. Sugitani and K. Konishi,
    Delay-independent design for synchronization in delayed-coupled one-dimensional map networks,
    IEICE Trans EA, vol. 101-A, no. 10, pp. 1708-1712 (2018)
  26. K. Konishi and N. Hara,
    Stabilization of a spatially uniform steady state in two systems exhibiting Turing patterns,
    Physical Review E, vol. 97, no. 5, p. 052201 (2018)
    [PDF]
  27. H. Katsumata, K. Konishi, and N. Hara,
    System identification of propagating wave segments in excitable media and its application to advanced control,
    Physical Review E, vol. 97, no. 4, p. 042210 (2018)
    [PDF]
  28. Y. Sugitani and K. Konishi,
    Design of coupling parameters for inducing amplitude death in Cartesian product networks of delayed coupled oscillators,
    Physical Review E, vol. 96, no. 4, p. 042216 (2017)
  29. H. Teki, K. Konishi, and N. Hara,
    Amplitude death in a pair of one-dimensional complex Ginzburg-Landau systems coupled by diffusive connections,
    Physical Review E, vol. 95, no. 6, p. 062220 (2017)
    [PDF]
  30. 柿田 幸佑喜，原　尚之，小西　啓治
    外乱抑制FRIT法を用いたPI制御ゲインチューニングの浮体式洋上風車への応用,
    電気学会論文誌Ｃ, vol. 137, no. 9, pp. 1228-1237 (2017)
  31. H. Katsumata, K. Konishi, and N. Hara,
    Proportional-integral control of propagating wave segments in excitable media,
    Physical Review E, vol. 95, no. 4, p. 042216 (2017)
    [PDF]
  32. N. Hara, S. Tsujimoto, Y. Nihei, K. Iijima, and K. Konishi,
    Experimental validation of model-based blade pitch controller design for floating wind turbines: system identification approach,
    Wind Energy, vol. 20, no.7, pp. 1187-1206 (2017)
  33. Y. Sugitani, T. Watanabe, K. Konishi, and N. Hara,
    Delay-independent design for chaotic synchronization in delay-coupled Bernoulli map networks,
    NOLTA, IEICE, vol. 8, no. 2, pp. 162-172 (2017)
    [PDF]
  34. T. Watanabe, Y. Sugitani, K. Konishi, and N. Hara,
    Stability analysis of amplitude death in delay-coupled high-dimensional map networks and their design procedure,
    Physica D, vol. 338, pp. 26-33 (2017)
    [PDF]
  35. T. Fukunaga, T. Imasaka, A. Ito, Y. Sugitani, K. Konishi, and N. Hara,
    Dynamical behavior and peak power reduction in a pair of energy storage oscillators coupled by delayed power price,
    Physical Review E, vol. 93, no. 2, pp. 022220 (2016)
    [PDF]
  36. Y. Sugitani, K. Konishi, and N. Hara,
    Delay- and topology-independent design for inducing amplitude death on networks with time-varying delay connections,
    Physical Review E, vol. 92, no. 4, pp. 042928 (2015)
    [PDF]
  37. S. Dessort, S. Tsujimoto, N. Hara, and K. Konishi
    Blade Pitch Angle Control for Floating Offshore Wind Turbines by Model Predictive Control,
    電気学会論文誌Ｃ, vol. 135, no. 7, pp.882-892 (2015)
  38. K. Konishi, Y. Sugitani, and N. Hara,
    Dynamics of dc bus networks and their stabilization by decentralized delayed feedback,
    Physical Review E, vol. 91, no. 1, pp. 012911 (2015)
    [PDF]
  39. K. Mizobata, Y. Nakanishi, K. Konishi, and N. Hara,
    Stable periodic orbits in a pair of chaotic oscillators coupled by an extremely weak diffusive connection,
    Nonlinear Dynamics, vol. 79, no. 1, pp. 265-273 (2015)
  40. Y. Sugitani, K. Konishi, L.B. Le, and N. Hara,
    Design of time-delayed connection parameters for inducing amplitude death in high-dimensional oscillator networks,
    Chaos, vol. 24, no. 4, pp. 043105 (2014)
    [PDF]
  41. 辻本　翔，デソール　セゴレーヌ，原　尚之，小西　啓治
    H∞制御を用いた浮体式洋上風力発電機のピッチ角制御,
    電気学会論文誌Ｃ, vol. 134, no. 8, pp.1096-1103 (2014)
  42. K. Konishi, Y. Sugitani, and N. Hara,
    Analysis of a dc bus system with a nonlinear constant power load and its delayed feedback control,
    Physical Review E, vol. 89, no. 2, p. 022906 (2014)
    [PDF]
  43. L.B. Le, K. Konishi and N. Hara,
    Topology-free design for amplitude death in time-delayed oscillators coupled by a delayed connection,
    Physical Review E, vol. 87, no. 4, p. 042908 (2013)
    [PDF]
  44. Y. Sugitani, K. Konishi and N. Hara,
    Experimental verification of amplitude death induced by a periodic time-varying delay-connection,
    Nonlinear Dynamics, vol. 70, no 3, pp 2227-2235 (2012)
    [PDF]
  45. K. Konishi, Luan Ba Le, and N. Hara,
    Stabilization of a steady state in oscillators coupled by a digital delayed connection,
    European Physical Journal B, vol. 85, no. 5, p. 166 (2012)
    [PDF]
  46. M. Takeuchi, K. Konishi, and N. Hara,
    Optimal feedback control of traveling wave in a piecewise linear FitzHugh–Nagumo model,
    Cybernetics and Physics, vol. 1, no. 1, pp. 73-77 (2012)
  47. 原　尚之，小西　啓治
    線形スイッチドシステムに対する安定化制御則のパラメータの一決定法,
    システム制御情報学会論文誌, vol. 25, no. 3, pp. 72-74 (2012)
  48. Luan Ba Le, K. Konishi, and N. Hara,
    Design and experimental verification of multiple delay feedback control for time-delay nonlinear oscillators,
    Nonlinear Dynamics, vol. 67, no. 2, pp. 1407–1416 (2012)
    [PDF]
  49. K. Konishi and N. Hara,
    Stabilization of unstable fixed points with queue-based delayed feedback control,
    Dynamics of Continuous, Discrete and Impulsive Systems B, vol. 18, pp. 679–693 (2011)
  50. A. Saito and K. Konishi,
    Dynamical singularities in adaptive delayed-feedback control,
    Physical Review E, vol. 84, p. 031902 (2011)
  51. T. Okuda, K. Konishi, and N. Hara,
    Experimental verification of synchronization in pulse-coupled oscillators with a refractory period and frequency distribution,
    Chaos, Vol. 21, No. 2, p. 023105 (2011)
  52. K. Konishi, M. Takeuchi, and T. Shimizu.
    Design of external forces for eliminating traveling wave in a piecewise linear FitzHugh–Nagumo model,
    Chaos, Vol. 21, No. 2, p. 023101 (2011)
    (Most Read Article, April 2011)
  53. K. Konishi and N. Hara,
    Topology-free stability of a steady state in network systems with dynamic connections,
    Physical Review E, vol. 83, pp. 036204 (2011).
  54. N. Hara, A. Kojima, and K. Konishi ,
    Feedforward compensation law for constrained systems based on decomposition of finite-horizon linear systems,
    SICE JCMSI, Vol. 4, No. 1, pp. 7-14 (2011).
  55. K. Konishi, H. Kokame, and N. Hara,
    Delayed feedback control based on the act-and-wait concept,
    Nonlinear Dynamics, Vol. 63, pp. 513-519 (2011).
  56. M. Takahashi, N. Hara, H. Kokame and K. Konishi,
    Reduced order model predictive control with disturbance attenuation,
    IEEJ Transactions on Electrical and Electronic Engineering, Vol. 6, No. 1, pp. 91-92 (2011).
  57. N. Hara, H. Kokame, K. Konishi,
    Singular value decomposition for a class of linear time-varying systems with application to switched linear systems,
    Systems & Control Letters, Vol. 59, No. 12, pp. 792-798 (2010).
  58. K. Konishi,
    Decentralized delayed feedback control of coupled map lattices on irregular network topologies,
    International Journal of Bifurcation and Chaos, vol. 20, pp. 3351-3358 (2010).
  59. K. Konishi, H. Kokame, and N. Hara,
    Stabilization of a steady state in network oscillators by using diffusive connections with two long time delays,
    Physical Review E, vol. 81, pp. 016201 (2010).
    *This paper is selected as a PRE Kaleidoscope Image.
  60. K. Konishi, H. Kokame, and N. Hara,
    Stability analysis and design of amplitude death induced by a time-varying delay connection,
    Physics Letters A, vol. 374, pp. 733-738 (2010).
    [pdf]
  61. K. Konishi,
    A tuning strategy to avoid blocking and starving in a buffered production line,
    European Journal of Operational Research, vol. 200, pp. 616-620 (2010).
    [pdf]
  62. K. Konishi, K. Senda, and H. Kokame
    Amplitude death in time-delay nonlinear oscillators coupled by diffusive connections,
    Physical Review E, vol. 78, pp. 056216 (2008).
    [pdf]
  63. K. Konishi and H. Kokame
    Synchronization of pulse-coupled oscillators with a refractory period and frequency distribution for a wireless sensor network,
    Chaos, vol. 18, no. 3, pp. 033132 1-7 (2008).
    [pdf]
  64. K. Konishi,
    Amplitude death induced by a global dynamic coupling,
    International Journal of Bifurcation and Chaos, vol. 17, no. 8, pp. 2781-2789 (2007).
    [pdf]
  65. K. Konishi and H. Kokame,
    Time-delay-induced amplitude death in chaotic map lattices and its avoiding control,
    Physics Letters A, vol. 366, no. 6, pp. 585-590 (2007).
    [pdf]
  66. K. Konishi,
    Limitation of time-delay induced amplitude death,
    Physics Letters A, vol. 341, nos. 5-6, pp. 401-409 (2005).
  67. K. Konishi,
    Estimation of an attraction region in one-dimensional delayed-feedback control systems,
    International Journal of Bifurcation and Chaos, vol. 15, no. 2, pp. 689-695 (2005).
  68. K. Konishi,
    Amplitude death in oscillators coupled by a one-way ring time-delay connection,
    Physical Review E, vol. 70, no. 6, pp. 066201 1-6 (2004).
  69. K. Konishi,
    Generating chaotic behavior in an oscillator driven by periodic forces,
    Physics Letters A, vol. 320, Nos. 2-3, pp. 200-206 (2003).
  70. K. Konishi,
    Amplitude death induced by dynamic coupling,
    Physical Review E, vol. 68, no. 6, pp. 067202 1-4 (2003).
  71. K. Konishi,
    Time-delay-induced stabilization of coupled discrete-time systems,
    Physical Review E, vol. 67, No. 1, pp. 017201 1-4 (2003).
  72. T. Imai, K. Konishi, H. Kokame, and K. Hirata,
    Experimental Evidence for Spatiotemporal Stability and Control of a One-way Open CML,
    International Journal of Bifurcation and Chaos, vol. 12, No. 12, pp. 2937–2944 (2002).
  73. T. Imai, K. Konishi, H. Kokame, and K. Hirata,
    An Experimental Suppression of Spatial Instability in One-way Open Coupled Chua’s Circuits,
    International Journal of Bifurcation and Chaos, vol. 12, No. 12, pp. 2897–2905 (2002).
  74. K. Konishi,
    Spatiotemporal stability and control of one-way open coupled Lorenz systems,
    Physical Review E, vol. 65, No. 3, pp. 036203 1-7 (2002).
  75. K. Konishi, H. Kokame, and K. Hirata,
    Experimental evidence for spatiotemporal stability in one-way open coupled double-scroll circuits,
    IEEE Transactions on Circuits and Systems-I, vol. 48, No. 10, pp. 1234 -1237 (2001).
  76. K. Konishi,
    Making chaotic behavior in a damped linear harmonic oscillator,
    Physics Letters A, Vol. 284, Nos. 2-3, pp. 85-90 (2001).
  77. H. Kokame, K. Hirata, K. Konishi, and T. Mori,
    Difference feedback can stabilize uncertain steady states,
    IEEE Trans. on Automatic Control, Vol. 46, No. 12, pp. 1908-1913 (2001).
  78. H. Kokame, K. Hirata, K. Konishi, and T. Mori,
    State difference feedback for stabilizing uncertain steady states of non-linear systems ,
    International Journal of Control, Vol. 74, No. 6, pp. 537-546 (2001).
  79. K. Konishi, H. Oyama, H. Kokame, and K. Hirata,
    An Experimental Study on Delayed-feedback Control of One-way Three-coupled Chaotic Maps,
    International Journal of Bifurcation and Chaos, Vol.11, No. 8, pp.2271-2276 (2001).
  80. K. Konishi, H. Kokame, and K. Hirata,
    Spatiotemporal stability of one-way open coupled nonlinear systems,
    Physical Review E, Vol. 62, No. 5, pp. 6383-6387 (2000).
  81. K. Konishi, H. Kokame, and K. Hirata,
    Delayed-feedback control of spatial bifurcations and chaos in open-flow models,
    Physical Review E, Vol. 62, No. 1, pp. 384-388 (2000).
  82. K. Konishi, H. Kokame, and K. Hirata,
    Decentralized delayed-feedback control of an optimal velocity traffic model,
    The European Physical Journal B, Vol. 15, No. 4, pp. 715-722 (2000).
  83. K. Konishi, H. Kokame, and K. Hirata,
    Decentralized delayed-feedback control of a coupled ring map lattice,
    IEEE Trans. Circuits and Systems-I, Vol. 47, No. 7, pp. 1100-1102 (2000).
  84. K. Konishi, H. Kokame, and K. Hirata,
    Stability of steady states in one-way open coupled map lattices ,
    Physics Letters A, Vol. 263, Nos. 4-6, pp. 307 — 314 (1999).
  85. K. Konishi, H. Kokame, and K. Hirata,
    Coupled map car-following model and its delayed-feedback control,
    Physical Review E, Vol. 60, No. 4, pp. 4000 — 4007 (1999).
  86. K. Konishi and H. Kokame,
    Decentralized delayed-feedback control of a one-way coupled ring map lattice,
    Physica D, Vol. 127, Nos. 1-2, pp. 1 — 12 (1999).
  87. K. Konishi, M. Ishii and H. Kokame,
    Stability of extended delayed-feedback control for discrete-time chaotic systems,
    IEEE Trans. Circuits and Systems-I, Vol. 46, No. 10, pp. 1285 — 1288 (1999).
  88. K. Konishi and H. Kokame,
    Robust stability of Lur’e systems with time-varying uncertainties: a linear matrix inequality approach
    International Journal of Systems Science, Vol. 30, No. 1, pp. 3 — 9 (1999).
  89. K. Konishi and H. Kokame,
    Learning Control of Time-Delay Chaotic Systems and its Applications,
    International Journal of Bifurcation and Chaos, Vol. 8, No. 12, pp. 2457– 2465 (1998).
  90. A. Itoh, H. Kokame, and K. Konishi,
    A Note on Robust Servo Problems for Linear Systems with Time-varying Uncertainties,
    Trans. SICE, Vol. 34, No. 8, pp. 1121 — 1123 (1998). (in Japanese)
  91. K. Konishi and H. Kokame,
    Observer-based delayed-feedback control for discrete-time chaotic systems ,
    Physics Letters A, Vol. 248, Nos. 5-6, pp. 359 — 368 (1998).
  92. K. Konishi, M. Hirai and H. Kokame,
    Sliding mode control for a class of chaotic systems,
    Physics Letters A, Vol. 245, No. 6, pp. 511–517 (1998).
  93. K. Konishi, M. Hirai and H. Kokame,
    Decentralized delayed-feedback control of a coupled map model for open flow,
    Physical Review E, Vo.58, No.3, pp.3055 — 3059 (1998).
  94. M. Ishii, K. Konishi and H. Kokame,
    Robust stability of extended delayed-feedback control in one-dimensional chaotic systems ,
    Physics Letters A, Vol. 235, No. 6, pp.603 — 609 (1997).
  95. K. Konishi and H. Kokame,
    Control of chaotic systems using an on-line trained linear neural controller,
    Physica D, Vol.100, Nos. 3-4, pp. 423–438 (1997).
  96. K. Konishi, M. Ishii and H. Kokame,
    Stabilizing unstable periodic points of one-dimensional nonlinear systems using delayed-feedback signals,
    Physical Review E, Vol. 54, No. 4, pp. 3455–3460 (1996).
  97. K. Konishi, M. Otani and H. Kokame,
    Pulse Width Modulated Control of Chaotic Systems,
    IEICE Trans., Vol. E79-A, No. 3, pp. 381–385 (1996).
  98. K. Konishi and H. Kokame,
    Stabilizing and tracking unstable focus points in chaotic systems using a neural network ,
    Physics Letters A, Vol.206, Nos. 3-4, pp. 203–210 (1995).
  99. K. Konishi, H. Kawabata, and Y. Takeda,
    Controlling Chaos with a Neural Network Controller,
    Trans. IEE of Japan, Vol. 115-C, No. 11, pp.1285–1290 (1995). (in Japanese)
  100. K. Konishi, H. Kawabata, and Y. Takeda,
    Control of Chua’s Circuit by Switching a Resistor,
    IEICE Trans., Vol. E77-A, No. 12, pp. 2116–2119 (1994).
  101. K. Konishi, Y. Shirao, H. Kawabata, T. Nagahara, Y. Inagaki,
    Controlling Chaos in the Maxwell-Bloch Equations with Time Delay,
    IEICE Trans., Vol. E76-A, pp.1121–1125 (1993).
  102. K. Konishi, Y. Shirao, H. Kawabata, M. Hirata, T. Nagahara, Y. Inagaki,
    Chaotic Phenomena in the Maxwell-Bloch Equation with Time Delay,
    IEICE Trans., Vol. E75-A, No. 12, pp.1747–1750 (1992).