研究業績 (Publications)

1. N. Namura and H. Nakao,
   “Optimal Control for Steady Circulation of a Diffusion Process via Spectral Decomposition of Fokker-Planck Equation,”
   arXiv:2603.17572 (2026) [arXiv].

学術論文誌 (Journal papers)

査読付き (Peer-reviewed)

1. N. Namura, R. Muolo, and H. Nakao,
   "Optimal interaction functions realizing higher-order Kuramoto dynamics with arbitrary limit-cycle oscillators,"
   Chaos 36, 023120 (2026) [Journal] [arXiv].

2. N. Namura and H. Nakao,
   "A Central Pattern Generator Network for Simple Control of Gait Transitions in Hexapod Robots based on Phase Reduction,"
   Nonlinear Dynamics 113, 10105–10125 (2025) [Journal] [arXiv].

3. N. Namura and H. Nakao,
   "Optimal coupling functions for fast and global synchronization of weakly coupled limit-cycle oscillators,"
   Chaos, Solitons & Fractals 185, 115080 (2024) [Journal] [arXiv].

4. N. Namura, T. Ishii, and H. Nakao,
   "Designing 2-D Limit-Cycle Oscillators With Prescribed Trajectories and Phase-Response Characteristics,"
   IEEE Transactions on Automatic Control 69(5), 3144–3157 (2024) [Journal] [arXiv].

5. N. Namura, S. Takata, K. Yamaguchi, R. Kobayashi, and H. Nakao,
   "Estimating asymptotic phase and amplitude functions of limit-cycle oscillators from time series data,"
   Physical Review E 106, 014204 (2022) [Journal] [arXiv].

学会論文 (Conference papers)

査読付き (Peer-reviewed)

1. K. Yawata, N. Namura, Y. Kato, and H. Nakao,
   “Data-driven phase control for limit-cycle oscillators under partial observation,”
   2025 IEEE 64th Conference on Decision and Control (CDC), 381–386 (2025) [pdf] [arXiv].

2. N. Namura, R. Karakida, D. Kaneishi, M. Tada, M. Komuta, X. Sun, and S. Kanoga,
   "Investigating the Impact of IMU Sensor Quantity on Locomotion Recognition Performance Using Neural Networks for Powered Lower-Limb Prostheses,"
   2025 47th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 1–5, (2025) [pdf].

3. N. Namura and H. Nakao,
   "Design of artificial limit-cycle oscillators with global synchronization properties,"
   IUTAM Symposium on Nonlinear dynamics for design of mechanical systems across different length/time scales, 255–262 (2025) [pdf].

4. N. Namura and H. Nakao,
   "Optimal Phase Control of Limit-Cycle Oscillators with Strong Inputs through Phase-Amplitude Reduction,"
   2024 63rd IEEE Conference on Decision and Control (CDC), 4003–4009 (2024) [pdf].

5. N. Namura and H. Nakao,
   "Design of Limit-Cycle Oscillators with Prescribed Trajectories and Phase-Response Properties via Phase Reduction and Floquet Theory,"
   2023 62nd IEEE Conference on Decision and Control (CDC), 3962–3968 (2023) [pdf].

6. N. Namura and S. Kanoga,
   "The Effect of Muscle Artifact Reduction Methods on Few-channel SSVEPs during Head Movements,"
   2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 1–4, (2023) [pdf].

査読なし 

1. 名村憲尚, 中尾裕也,
   「多項式回帰を用いた時系列データからのリミットサイクル振動子の位相・振幅関数の推定」,
   電子情報通信学会技術研究報告, vol.121, no.335, pp.237–242 (2022).

2. 名村憲尚, 中尾裕也,
   「多項式回帰を用いた時系列データからのリミットサイクルの位相関数の推定」,
   電子情報通信学会技術研究報告, vol.121, no.197, pp.35–38 (2021).

国際会議発表 (International conferences)

査読付き (Peer-reviewed)

1. K. Yawata*, N. Namura, Y. Kato, and H. Nakao,
   "Data-driven phase control for limit-cycle oscillators under partial observation,"
   The 64th IEEE Conference on Decision and Control (CDC), oral, Rio de Janeiro, Brazil (2025.12).

2. N. Namura* and H. Nakao,
   "A coupling scheme to realize Kuramoto–Sakaguchi dynamics in arbitrary limit-cycle oscillators,"
   2025 International Symposium on Nonlinear Theory and Its Applications (NOLTA), oral, Okinawa, Japan (2025.10).

3. N. Namura* and H. Nakao,
   "Numerical simulations of hexapod gait patterns by a CPG network composed of oscillatory chemical systems,"
   11th International Conference Engineering of Chemical Complexity (ECC11), oral, Tokyo, Japan (2025.08).

4. N. Namura*, R. Karakida, D. Kaneishi, M. Tada, M. Komuta, X. Sun, and S. Kanoga,
   "Investigating the Impact of IMU Sensor Quantity on Locomotion Recognition Performance Using Neural Networks for Powered Lower-Limb Prostheses,"
   47th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), oral, Copenhagen, Denmark (2025.07).

5. N. Namura*, H. Kume, and H. Nakao,
   "Control of stochastic populations based on data-driven dimensionality reduction of Fokker–Planck equations,"
   XLV Dynamics Days Europe 2025 (DDE), oral, Thessaloniki, Greece (2025.06).

6. N. Namura* and H. Nakao,
   "Optimal Phase Control of Limit-Cycle Oscillators with Strong Inputs through Phase-Amplitude Reduction,"
   The 63rd IEEE Conference on Decision and Control (CDC), oral, Milan, Italy (2024.12).

7. N. Namura* and H. Nakao,
   "Design of Limit-Cycle Oscillators with Prescribed Trajectories and Phase-Response Properties via Phase Reduction and Floquet Theory,"
   The 62nd IEEE Conference on Decision and Control (CDC), oral, Singapore, Singapore (2023.12).

8. N. Namura, T.Ishii, and H. Nakao*,
   "Design of limit-cycle oscillators with prescribed periodic orbits and synchronization properties,"
   XLIII Dynamics Days Europe 2023 (DDE), oral, Naples, Italy (2023.09).

9. N. Namura* and H. Nakao,
   "Design of artificial limit-cycle oscillators with global synchronization properties,"
   IUTAM Symposium on Nonlinear dynamics for design of mechanical systems across different length/time scales, poster, Tsukuba, Japan (2023.08).

10. N. Namura* and S. Kanoga,
    "The Effect of Muscle Artifact Reduction Methods on Few-channel SSVEPs during Head Movements,"
    45th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), oral, Sydney, Australia (2023.07).

11. N. Namura* and H. Nakao,
    "Optimization of symmetric mutual coupling for global in-phase synchronization of weakly coupled limit-cycle oscillators,"
    IFAC World Congress 2023, oral, Yokohama, Japan (2023.07).

12. M. Kimura, F. Sugimoto, N. Namura, S. Kanoga, and Y. Takeda,
    "Effects of artifact-reduction methods on the required EEG data length for evaluating mental workload with an auditory probe ERP technique,"
    The International Organization of Psychophysiology (IOP), poster, Geneva, Switzerland (2023.06).

13. N. Namura*, T. Ishii, and H. Nakao,
    "Design of planar limit-cycle oscillators with given orbits and phase-response properties,"
    SIAM Conference on Applications of Dynamical Systems (SIAM DS), oral, Oregon, U.S.A. (2023.05).

14. N. Namura*, T. Ishii, and H. Nakao,
    "Designing two-dimensional limit-cycle oscillators with prescribed orbits and phase response characteristics,"
    2022 SICE Annual Conference, oral, Kumamoto, Japan (2022.09).

ワークショップ (Workshop)

1. N. Namura,
   "Phase reduction approach to hexapod locomotion control" (invited),
   Workshop on Nonlinear Physical Intelligence in Soft Machines, 9th IEEE International Conference on Soft Robotics (RoboSoft), Kanazawa, Japan (2026.04). 

国内学会発表 (Domestic workshops)

査読なし