Publications

Journal papers

1. Weiqi Zhang, Kentaro Hirata, Yukinori Nakamura, and Kunihisa Okano, "Stability remarks on discretized multi-dimensional diffusion process models and its application to model reduction," システム制御情報学会論文誌, vol. 36, no. 8, pp. 279--285, 2023.

2. Yukinori Nakamura, Hisashi Matsuzaki, Kentaro Hirata, and Kunihisa Okano, "Numerical investigation on reduction of power consumption and improvement of success rate for consensus in multi-agent systems over a wireless network considering the number of agents," IEEJ Transactions on Electrical and Electronic Engineering, vol. 18, no. 4, pp. 583--596, 2023.

3. 諏訪棟植, 岡野訓尚, 平田健太郎, 中村幸紀, "通信タイミングと有限データレート信号による離散時間線形システムの安定化," システム制御情報学会論文誌, vol. 36, no. 2, pp. 40--47, 2023.

4. Jinhui Yang, Kentaro Hirata, Yukinori Nakamura, Kunihisa Okano, and Kenichi Kato, "Model-Based Design of Tube Pumps with Ultra-Low Flow Rate Pulsation", SICE Journal of Control, Measurement, and System Integration, vol. 15, no. 2, pp. 172--181, 2022.

5. 中村幸紀, 東山和司, 平田健太郎, 岡野訓尚, "通信遅延時間を考慮した粒子フィルタによる一推定法," 電気学会論文誌C, vol. 139, no. 4, pp. 454--459, 2019.

6. 中村幸紀, 真鍋友希, 平田健太郎, 岡野訓尚, "振動子の位相情報を用いた歩行支援動作のタイミング決定に関する検討," 電気学会論文誌C, vol. 138, no. 7, pp. 908--909, 2018.

7. K. Okano, M. Wakaiki, G. Yang, and J. P. Hespanha, "Stabilization of networked control systems under clock offsets and quantization," IEEE Transactions on Automatic Control vol. 63, no. 6, pp. 1618--1633, 2018. DOI

8. K. Okano and H. Ishii, "Stabilization of uncertain systems using quantized and lossy observations and uncertain control inputs," Automatica, vol. 81, pp. 261--269, 2017. (preprint at arXiv)

9. M. Wakaiki, K. Okano, and J. P. Hespanha, ''Stabilization of systems with asynchronous sensors and controllers,'' Automatica, vol. 81, pp. 314--321, 2017. (preprint at arXiv)

10. K. Okano and H. Ishii, "Stabilization of uncertain systems with finite data rates and Markovian packet losses," IEEE Transactions on Control of Network Systems, vol. 1, no. 4, pp. 293--307, 2014.

11. K. Okano and H. Ishii, "Networked control of uncertain systems over data rate limited and lossy channels," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E96-A, no. 5, pp. 853--860, 2013.

12. H. Ishii, K. Okano, and S. Hara, "Achievable sensitivity bounds for MIMO control systems via an information theoretic approach," Systems & Control Letters, vol. 60, no. 2, pp. 111--118, 2011.

13. K. Okano, S. Hara, and H. Ishii, "Characterization of a complementary sensitivity property in feedback control: An information theoretic approach," Automatica, vol. 45, no. 2, pp. 504--509, 2009.

Conference papers (refereed)

1. W. Zhang, K. Hirata, Y. Nakamura, and K. Okano, "PCA-based model reduction of diffusion process and its application to MPC problem," Proc. SICE International Symposium on Control Systems, pp. xx--xx, 2022.

2. A. Kohara, K. Okano, K. Hirata, and Y. Nakamura, "Sensor placement minimizing the state estimation mean square error: Performance guarantees of greedy solutions," Proc. IEEE Conference on Decision and Control, pp. 1706--1711, 2020. (preprint at arXiv)

3. S. Tokuda, K. Okano, Y. Nakamura, and K. Hirata, "Swing-phase detection from the ankle joint angle using recurrent neural networks," Proc. IFAC Workshop on Cyber-Physical & Human Systems, 2020.

4. K. Hirata, R. Murakawa, K. Okano, M. Samei, T. Adachi, and R. Sugiyama, "Temperature control for fusing process of laser printers with preview action," Proc. IEEE International Conference on Industrial Technology, pp. 101--106, 2020. doi: 10.1109/ICIT45562.2020.9067239

5. K. Kobayashi, K. Hirata, Y. Nakamura and K. Okano, "Optimal Design of Cooperative Standing-Up Motion for Care Worker and Receiver," Proc. IEEE International Conference on Mechatronics, pp. 67-72, 2019. doi: 10.1109/ICMECH.2019.8722927.

6. Y. Nakamura, Y. Testuno, K. Hirata, and K. Okano, "A setting method of output-end frequency-shaped sliding mode hyperplane for a pneumatic vibration isolator," Proc. International Conference on Mechanical, Electrical and Medical Intelligent System, IPS4-03, 2019.

7. Y. Kitani, Y. Nakamura, K. Hirata, and K. Okano, "A method of timing decision for dorsiflexion assistance with estimation of gait," Proc. SICE Annual Conference, pp. 1549--1552, 2019.

8. M. Shinpou, K. Hirata, Y. Nakamura, K. Okano, and K. Hatada, "Energy-efficient bicycling with passive mechanical network," Proc. IEEE International Conference on Control, Decision and Information Technologies, pp. 187--192, 2019. doi: 10.1109/CoDIT.2019.8820650

9. A. Kohara, K. Okano, K. Hirata, and Y. Nakamura, "An analysis of state estimation errors with respect to the dimension of observation," Proc. SICE Annual Conference, pp. 415--418, 2018

10. K. Tsumura, S. Baros, K. Okano, and A. Annaswamy, "Design and stability of optimal frequency control in power networks: A passivity-based approach," Proc. European Control Conference, pp. 2581--2586, 2018

11. K. Kobayashi, K. Hirata, Y. Nakamura, and K. Okano, "Automatic generation of optimal standing-up motion using nonlinear receding horizon control," Proc. 2017 IEEE/SICE International Symposium on System Integration, pp. 481--486, 2017

12. Y. Nakamura, K. Higashiyama, K. Hirata, and K. Okano, "State estimation over a network using particle filter," Proc. International Conference on Mechanical, Electrical and Medical Intelligent System, I08-05, 2017

13. Y. Kizu, K. Okano, and H. Koizumi, "A bridgeless buck ac-dc converter for piezoelectric energy harvesting," Proc. Annual Conference of the IEEE Industrial Electronics Society, pp. 1196--1201, 2016

14. M. Wakaiki, K. Okano, and J. P. Hespanha, "L^2-gain analysis of systems with clock offsets," Proc. 2015 American Control Conference, pp. 4239--4244, 2016

15. M. Wakaiki, K. Okano, and J. P. Hespanha, "Control under clock offsets and actuator saturation," Proc. IEEE Conference on Decision and Control, pp. 6886--6891, 2015

16. M. Wakaiki, K. Okano, and J. P. Hespanha, "Stabilization of networked control systems with clock offset," Proc. 2015 American Control Conference, pp. 3522--3527, 2015

17. K. Okano, M. Wakaiki, and J. P. Hespanha, "Real-time control under clock offsets between sensors and controllers," Proc. 18th International Conference on Hybrid Systems: Computation and Control, pp. 118--127, 2015

18. K. Okano and H. Ishii, "Stabilization of uncertain systems using quantized and lossy observations and uncertain control inputs," Proc. European Control Conference, pp. 240--245, 2014

19. K. Okano and H. Ishii, "Stabilization of uncertain systems with finite data rates and Markovian packet losses," Proc. European Control Conference, pp. 2368--2373, 2013

20. K. Okano and H. Ishii, "Data rate limitations for stabilization of uncertain systems," Proc. 51st IEEE Conference on Decision and Control, pp. 3286--3291, 2012

21. K. Okano and H. Ishii, "Data rate limitations for stabilization of uncertain systems over lossy channels," Proc. 2012 American Control Conference, pp. 1260--1265, 2012

22. T. Farkas, E. Meiseki, C. Neumann, K. Okano, A. Hinnerichs, and S. Kamiya, "Integration of UML with Simulink into embedded software engineering," Proc. ICROS-SICE International Joint Conference 2009, pp. 474--479, 2009

23. K. Okano, H. Ishii, and S. Hara, "Sensitivity analysis of networked control systems via an information theoretic approach," Proc. 47th IEEE Conference on Decision and Control, pp. 3360--3365, 2008

24. K. Okano, S. Hara, and H. Ishii, "Characterization of a complementary sensitivity property in feedback control: An information theoretic approach," Proc. 17th IFAC World Congress, pp. 5185--5190, 2008

25. S. Yamamoto and K. Okano, "Direct controller tuning based on data matching," Proc. SICE-ICASE Joint Conference 2006, pp. 4028--4031, 2006

Books

• 1. 永原正章（編著）, 岡野訓尚, 小蔵正輝, 若生将史（共著）, ネットワーク化制御, コロナ社, 2019

Tutorial papers

• 1. 中村幸紀, 平田健太郎, 岡野訓尚, "歩容推定機構を有する支援装置の開発," システム/制御/情報, vol. 65, no. 9, pp. 387-390, 2021

  2. 岡野訓尚, "時刻情報を利用した有限データレート制御," システム/制御/情報, vol. 63, no. 11, pp. 461--466, 2019

  3. 岡野訓尚, "JSPS海外特別研究員としてのUCSB滞在," システム/制御/情報, vol. 62, no. 11, pp. 472--477, 2018

  4. 若生将史, 岡野訓尚, "同期誤差を考慮したネットワーク化制御," 計測と制御, vol. 11, pp. 984-989, 2016

Technical reports

1. K. Okano, H. Ishii, and S. Hara, "Sensitivity analysis of networked control systems via an information theoretic approach," Mathematical Engineering Technical Reports, METR2008-13, 20pp., 2008 (pdf)

2. K. Okano, S. Hara, and H. Ishii, "Characterization of a complementary sensitivity property in feedback control: An information theoretic approach," Mathematical Engineering Technical Reports, METR2007-55, 16pp., 2007 (pdf)

Others

1. K. Okano, "Fundamental limitations for stabilization of networked control systems," SICE Annual Conference, Workshop 1: New Trends in Networked Control, September 11, 2018 (Workshop organizer and speaker)

2. K. Okano, M. Wakaiki, J. P. Hespanha, "Stabilization under clock offsets between sensors and controllers," 28th Southern California Nonlinear Control Workshop, UCLA, May 8, 2015 (oral presentation)

3. K. Okano and H. Ishii, "Stabilization of uncertain systems with finite data rates and Markovian packet losses," Symposium on the COntrol of NEtwork Systems (SCONES), Boston, MA, USA, October 27--28, 2014 (poster presentation)

4. K. Okano and H. Ishii, "Data rate limitations for stabilization of uncertain systems over lossy channels," Symposium on Developments in Control Theory toward Glocal Control In Honor of Shinji Hara on the Occasion of His 60th Birthday, Tokyo, Japan, January 2012 (poster presentation)