大塚 尚久教授
職歴：
・東京電機大学理工学部情報科学科 嘱託助手(1986-1991)
・東京電機大学理工学部情報科学科 助手(1991-1992)
・筑波大学電子・情報工学系 助手(1992-1993)
・筑波大学電子・情報工学系 講師(1993-2000)
・東京電機大学理工学部情報科学科 助教授(2000-2003)
・東京電機大学理工学部情報科学科 教授(2003-2007)
・東京電機大学大学院理工学研究科情報科学専攻(修士課程) 専攻主任(2006-2007)
・東京電機大学理工学部理工学科サイエンス学系 教授(2007-2009)
・東京電機大学大学院先端科学技術研究科数理学専攻(博士課程) 専攻主任(2009-2010)
・東京電機大学理工学部理工学科理学系 教授(2009-現在)
・東京電機大学理工学部理工学科理学系 学系長(2015-2016)
活動歴
・Extended Executive Committee Member, International Conference on Document
Analysis and Recognition, 1993.
・計測自動制御学会事業委員会委員(2002-2003)
・文部科学省２１世紀ＣＯＥプログラム「操作能力熟達に適応するメカトロニクス」推進担当教員(2003-2007）
・Publicity Co-Chair of International Conference on Control, Automation,
and Systems, 2005.
・計測自動制御学会評議員（2006-2007）
・Associate Editor of Journal of The Franklin Institute, Elsevier,(2005-2016)
・IFAC Technical Committee Member on Linear Control Systems(2012-現在)
・Editor of Mathematical Problems in Engineering, (2015-現在)
・22nd Mediterranean Conference on Control & Automation (MED'14), International Program Committee Member
and Associate Editor for Contributed Paper, 2014.
・23rd Mediterranean Conference on Control & Automation (MED'15), International Program Committee Member
and Associate Editor for Contributed Paper, 2015.
・24th Mediterranean Conference on Control & Automation (MED'16), International Program Committee Member
and Associate Editor for Contributed Paper, 2016.
・Joint IFAC Meeting 6-th Symposium on System Structure and Control (SSSC2016) and 13-th Workshop
on
Time Delay Systems (TDS2016), International Program Committee Member and Associate Editor for Contributed
Paper, 2016.
・25th Mediterranean Conference on Control & Automation (MED'17), International Program Committee Member
and Associate Editor for Contributed Paper, 2017.
・26th Mediterranean Conference on Control & Automation (MED'18), International Program Committee Member
and Associate Editor for Contributed Paper, 2018.
・27th Mediterranean Conference on Control & Automation (MED'19), International Program Committee Member
and Associate Editor for Contributed Paper, 2019.
・The 15th European Workshop on Advanced Control and Diagnosis (ACD 2019), International Program Committee Member, 2019.
・7-th IFAC Symposium on System Structure and Control (SSSC2019), International Program Committee Member and Associate Editor for Contributed
Paper, 2019.
・28th Mediterranean Conference on Control & Automation (MED'20), International Program Committee Member
and Associate Editor for Contributed Paper, 2020.
・Joint IFAC Conference: SSSC-TDS-LPVS, International Program Committee Member and Associate Editor for Contributed
Paper of SSSC, 2022.
・30th Mediterranean Conference on Control & Automation (MED2022), International Program Committee Member
and Associate Editor for Contributed Paper, 2022.
・1st IFAC Workshop on Control of Complex Systems (COSY2022), International Program Committee Member and Associate Editor for Contributed
Paper, 2022.
・31st Mediterranean Conference on Control & Automation (MED2023), International Program Committee Member
and Associate Editor for Contributed Paper, 2023.
・33rd Mediterranean Conference on Control & Automation (MED2025), International Program Committee Member
and Associate Editor for Contributed Paper, 2025.
所属学会
・SIAM （米国応用数学会）
・IEEE (Control Systems Society)（米国電気電子学会）
・SICE（計測自動制御学会）
授業科目
【学部】
・数理情報学入門
・数理情報学応用演習
・常微分方程式
・数理科学演習（常微分方程式演習）
・システム理論
・フーリエ解析入門（信号理論)
・制御理論
・基礎微分積分学A
・基礎微分積分学B
・数理情報学輪講I
・数理情報学輪講II
・理学卒業研究I
・理学卒業研究IＩ
【大学院】
・数理システム理論
・ロバストシステム理論
研究分野
(1) 切り替えシステムの安定性と安定化問題
(2) Positive システムの安定性と安定化問題
(3) 幾何学的アプローチによるシステム制御問題
(4) パラメータ空間安定解析
(5) 無限次元システム理論
など
研究実績
1. 査読付き学術論文
[1] H. Inaba and N.
Otsuka : “Triangular Decoupling and Stabilization for Linear Control
Systems in Hilbert Spaces”, IMA Journal
of Mathematical Control & Information, Oxford Univ. Press, Vol. 6, No. 3, pp. 317-332, 1989.
[2] N. Otsuka,
H. Inaba and T. Oide : “Decoupling by State Feedback in Infinite-Dimensional
Systems”, IMA Journal of Mathematical
Control & Information, Oxford
Univ. Press, Vol. 7, No. 2, pp. 125-141, 1990.
[3] 大橋淳士,
大塚尚久,
稲葉博
: “直交変換による外乱除去を併合した非干渉制御”, 計測自動制御学会論文集, Vol. 26, No. 11, pp. 1322-1324, 1990.
[4] N. Otsuka
: “Simultaneous Decoupling and Disturbance-Rejection Problems for Infinite- Dimensional
Systems”, IMA Journal of Mathematical
Control & Information, Oxford
Univ. Press, Vol. 8, No. 2, pp. 165-178, 1991.
[5] N. Otsuka
and H. Inaba : “Block Decoupling by Incomplete State Feedback for Linear
Multivariable Systems”, International
Journal of Systems Science, Taylor
& Francis, Vol. 22, No. 8, pp. 1419-1437, 1991.
[6] 大塚尚久
: “外乱除去を併合したブロック三角形非干渉制御問題”, 計測自動制御学会論文集, Vol. 27, No. 4, pp. 486-488, 1991.
[7] 大塚尚久
: “不完全状態フィードバックを用いた外乱除去を併合したブロック三角形非干渉制御問題”, 計測自動制御学会論文集, Vol. 28, No. 3, pp. 320-325, 1992.
[8] N. Otsuka
and H. Inaba : “The Simultaneous Block Triangular Decoupling, Disturbance
Rejection and Pole Assignment Problem for Linear Multivariable Systems”, Transactions of the Society of Instrument
and Control Engineers, Vol. 28, No. 7, pp. 796-800, 1992.
[9] N. Otsuka,
H. Inaba and K. Toraichi : “A State Space Approach for Distributed Parameter
Circuit - Disturbance-Rejection Problem for Infinite-Dimensional Systems ”, IEICE Transactions on Fundamentals of Electronics, Communications
and Computer Sciences, Vol. E77-A, No. 5, pp. 778-783, 1994.
[10] N. Otsuka, H. Inaba and K. Toraichi : “Decoupling by
Incomplete-State Feedback for Infinite
Dimensional Systems”, Japan Journal of
Industrial and Applied Mathematics, Kinokuniya,
Vol. 11, No. 3, pp. 363-377, 1994.
[11] N. Otsuka,
H. Inaba and K. Toraichi : “Parameter Insensitive Disturbance-Rejection Problem
with Incomplete-State Feedback”, IEICE
Transactions on Fundamentals of Electronics, Communications and Computer
Sciences, Vol. E78-A, No. 11, pp. 1589-1594, 1995.
[12] K. Shiomi, N.
Otsuka, K. Toraichi and N. Khoda : “A Simultaneous Decoupling Problem for A
Family of Linear Systems with State Feedback”, Systems Science Journal, Vol. 22, No. 4, pp. 5-14, 1996.
[13] N. Otsuka,
H. Inaba and K. Toraichi : “Parameter Insensitive Disturbance-Rejection
Problems with Incomplete-State Feedback for Infinite-Dimensional Systems”, Systems Science Journal, Vol. 22, No. 4,
pp. 29-38, 1996.
[14] K. Ichige, N.
Otsuka and R. Ishii : “An Automatic Design Procedure of IIR Digital Filters
from an Analog Low-Pass Filter”, Signal
Processing (An International Journal), Elsevier
Science Publishers B. V., Vol. 57, No. 3, pp. 223-231, 1997.
[15] N. Otsuka
and H. Inaba : “Parameter Insensitive Disturbance-Rejection for Infinite- Dimensional
Systems”, IMA Journal of Mathematical
Control & Information, Oxford
Univ. Press, Vol. 14, No. 4, pp. 401-413, 1997.
[16] N. Otsuka
and H. Inaba :“A Note on Robust Disturbance-Rejection Problems for Infinite- Dimensional
Systems”, Systems & Control Letters,
Elsevier Science Publishers B. V. (North-Holland), Vol. 34, No. 1-2,
pp.33-41, 1998.
[17] K. Ichige, N.
Otsuka and R. Ishii : “Properties of the Frequency Transformation Matrices
for IIR Digital Filters”, Signal
Processing (An International Journal),
Elsevier Science Publishers B. V.,
Vol. 71, No. 3, pp. 227-233, 1998.
[18] 大塚尚久,
市毛弘一,
由留部稔,
塩見幸治,
石井六哉
: “重み付きダイヤモンド多項式のSchur安定性”,
電子情報通信学会論文誌, Vol. J82-A, No.3, pp.482-486, 1999.
[19] K. Shiomi, N. Otsuka, H. Inaba and R. Ishii : “The
Property of Bilinear Transformation Matrix and Schur Stability for A Linear
Combination of Polynomials”, Journal of
the Franklin Institute, Elsevier
Science Publishers B. V. (Pergamon),
Vol. 336, No.3, pp.533-541, 1999.
[20] N. Otsuka and H. Inaba : “Parameter Insensitive Robust
Disturbance-Rejection Problems with Direct Control and with Known Disturbances
for Infinite-Dimensional Systems”, Journal
of the Franklin Institute, Elsevier
Science Publishers B. V. (Pergamon),
Vol. 336, No.4, pp.701-710,1999.
[21] K. Shiomi, N.
Otsuka and H. Inaba : “Robust Disturbance-Rejection Problem for Linear
w-periodic Discrete-Time Systems”, IEEE
Transactions on Automatic Control, Vol. 44, No.8, pp.1615-1620, 1999.
[22] N. Otsuka
and H. Inaba : “Simultaneous (C,A,B)-pairs
for Infinite-Dimensional Systems”, Journal
of Mathematical Analysis and Applications, Academic Press, Vol. 236, No.2,
pp.415-437, 1999.
[23] N. Otsuka
: “Generalized (C,A,B)-pairs and
Parameter Insensitive Disturbance-Rejection Problems with Dynamic Compensator”,
IEEE Transactions on Automatic Control,
Vol. 44, No.11, pp.2195-2200, 1999.
[24] N. Otsuka
: “Generalized Invariant Subspaces and Parameter Insensitive Disturbance- Rejection
Problems with Static Output Feedback”, IEEE
Transactions on Automatic Control, Vol. 45, No.9, pp.1691-1697, 2000.
[25] N. Otsuka
and H. Hinata : “Generalized Invariant Subspaces for Infinite-Dimensional
Systems”, Journal of Mathematical
Analysis and Applications, Academic Press, Vol. 252, No.1, pp.325-341,
2000.
[26] N. Otsuka
: “Generalized Controlled and Conditioned Invariances for Linear ω-Periodic
Discrete-Time Systems”, Linear Algebra
and Its Applications, Elsevier
Science Publishers B. V., Vol.327/1-3, pp.207-223, 2001.
[27] N. Otsuka
: “Disturbance-Rejection Problems with Low Order Dynamic Compensator for Linear
ω-Periodic Discrete-Time Systems”, IEEE
Transactions on Automatic Control, Vol. 46, No.4, pp.631-635, 2001.
[28] N. Otsuka : “Generalized 
-pairs for Linear 
-Periodic Discrete-Time Systems”, Transaction of the Society of Instrument and Control Engineers, Vol.39,
No. 1, pp.25-34, 2003.
[29] N. Otsuka and Takashi Okada : “On Simplified Hurwitz
Stability Conditions for Low-Degree Weighted Diamond Polynomials”, Journal of the Franklin Institute, Elsevier Science Publishers B. V. (Pergamon), Vol.340, No. 6-7, pp.399-406,
2003.
[30] N. Otsuka and Rixat Abdursul: “Necessary and Sufficient
Conditions for Generalized Invariant Subspaces”, WSEAS Transactions on
Systems, World Scientific and Engineering Academy and Society Press, Vol. 3, Issue 1, pp.189-193,
2004.
[31] N. Otsuka,: “A Note on Generalized Invariant Subspaces for
Infinite-Dimensional Systems”, IMA
Journal of Mathematical Control & Information, Oxford Univ. Press, Vol.21, No. 2, pp.175-182, 2004.
[32] N. Otsuka,: “A Necessary and Sufficient Condition for
Parameter Insensitive Disturbance-Rejection Problem with State Feedback”, Automatica, Elsevier, Vol.42,No.3,pp.447-452, 2006.
[33] N.
Otsuka,: “Parameter Insensitive Disturbance-Rejection Problem with State Feedback
for Uncertain Linear ω-periodic Discrete-Time Systems”, Journal of the Franklin Institute, Elsevier Science Publishers B. V. (Pergamon), Vol. 344, No.8, pp.1091-1101,
2007.
[34] N. Otsuka,: “Necessary and Sufficient Conditions for
Parameter Insensitive Disturbance-Rejection Problem with Dynamic Output
Feedback”, IMA Journal of Mathematical
Control & Information, Oxford
Univ. Press, Vol.24, No. 4, pp.507-522, 2007.
[35] N. Otsuka, H. Matsumoto and T.Soga: “Positive D-Invariance
Conditions of Polyhedral Sets for Linear Uncertain Discrete-Time Systems”, International Journal of Pure and Applied
Mathematics, Vol.
53, No. 4, pp. 497-512, 2009.
[36] N. Otsuka and H. Hinata: “Generalized S(C,A,B)-pairs for Uncertain Linear
Infinite- Dimensional Systems”, Journal of Applied Mathematics, Volume 2009, Article ID 169790, 16 pages,
2009.
[37] T. Atajan, N. Otsuka and X. Yong: “Counting the number of
spanning trees in a class of double fixed-step loop networks”, Applied Mathematics Letters, Elsevier , Vol.23, pp.291-298, 2010.
[38] N. Otsuka and T.Soga: “Quadratic Stablizability for
Polytopic Uncertain Continuous- Time Switched Linear
Systems Composed of Two Subsystems”, International Journal of Control and
Automation, Vol.3, No.1, pp.35-42, 2010.
[39] N. Otsuka,: “Disturbance Decoupling Problem with Quadratic
Stability for Switched Linear Systems”, Systems
& Control Letters, Elsevier
Science Publishers B. V., Vol.59, No.6, pp.349-352, 2010.
[40] N. Otsuka, K. Nakashima and T.Atajan: “Stability Conditions of Polytopic Uncertain
Switched Linear Systems with Simultaneously Diagonalizable Vertex Matrices”,
Far East
Journal of Dynamical Systems, Vol.15, Issue.1, pp.1-20, 2011.
[41] T.Soga and N. Otsuka: “Stabilizability Conditions for Switched Linear
Systems with Constant Input via Switched Observer”, Studies in Informatics and Control, Vol.22, No.1, pp.7-14, 2013.
[42] K. Alimhan and N. Otsuka: “A Further Study of Practical Output
Tracking of Nonlinear Systems”, Far East Journal of
Mathematical Sciences,
Special Volume 2013, Part III, pp.267-295, 2013.
[43] T.Soga and N. Otsuka: “Quadratic Stablizability for
Polytopic Uncertain Switched Linear Systems via Switched Observer”, Asian Journal of Control, Wiley, Vol. 16, No.4, pp.1020-1028, 2014.
[44] K.
Alimhan, N. Otsuka, M. N. Kalimoldayev and O. J. Mamyrbayev: “An Expanded Method to Robustly Practically Output Tracking Control for Uncertain Nonlinear
Systems”, International Journal of Mathematical Analysis, Vol. 8, No. 18, pp.865 -879, 2014.
[45] G. Conte, A.M.
Perdon and N. Otsuka,: “The Disturbance Decoupling Problem
with Stability for Switching Dynamical Systems”, Systems
& Control Letters, Elsevier
Science Publishers B. V., Vol.70, pp.1-7, 2014.
[46] K. Alimhan, N. Otsuka, A. A. Adamov, M. N. Kalimoldayev, “Global Practical Output Tracking of Inherently Non-linear Systems Using
Continuously Differentiable Controllers”, Mathematical Problems in Engineering, Article ID 932097, 2015.
[47] N. Otsuka, G. Conte and A. M. Perdon: “Disturbance Decoupling by Static-Output Feedback
for Uncertain Switched Linear Systems“, Far East Journal of Dynamical
Systems,Vol.26, No.2, pp.99-124, 2015.
[48] N. Otsuka, “Disturbance
Decoupling by Measurement Feedback for Switched Linear Systems”, Systems & Control Letters, Elsevier Science Publishers B. V., Vol.82, pp.99-107, 2015.
[49] K. Alimhan, N. Otsuka, M. N. Kalimoldayev and A. A. Adamov, “Further Results on Output Tracking Problem of
Uncertain Nonlinear Systems with High-Order Nonlinearities”, International Journal of Control and Automation, Vol.9, No.1, pp.409-422, 2016
[50] N. Otsuka, H. Saito, G. Conte and A. M. Perdon: “Robust Controlled
Invariant Subspaces and Disturbance Decoupling for Uncertain Switched Linear
Systems“, IMA Journal of Mathematical Control &
Information, Oxford Univ. Press, Vol.34, Issue.1, pp.139-157, 2017.
[51] K.
Alimhan, N. Otsuka, and O. J. Mamyrbayev, “Global
Practical Tracking by Output Feedback for Uncertain Nonlinear Systems Under A Weaker Condition”, International Journal of Mathematical models and
Methods in Applied Sciences, Vol.11, pp.88-93, 2017.
[52] K. Alimhan, N. Otsuka, Abilmazhin A. Adamov: “A note on the output tracking
problem of uncertain nonlinear systems with high-order nonlinearities”, Far East Journal of Mathematical Sciences, Vol.102, No.3, pp.537-558, 2017.
[53] K. Alimhan, N. Otsuka, M.N. Kalimoldayev and N. Tasbolatuly, “Output
Tracking by State Feedback for High-Order Nonlinear Systems with
Time-Delay”, Journal of Theoretical and Applied Information Technology, Vol.97, No.3, pp.942-956, 2019.
[54] G. Conte, A.M. Perdon, N. Otsuka and E. Zattoni,: “Disturbance Decoupling by State Feedback for Uncertain
Impulsive Linear Systems”, International Journal of Robust and Nonlinear Control, Wiley, DOI:10.1002/rnc.5501, Vol.31, No.10, pp.4729-4743, 2021.
[55] N. Otsuka, T. Shimizu: “Exponential Stability of Switched Block Triangular Systems under
Arbitrary Switching“, Linear and Multilinear Algebra, Taylor & Francis, Vol.72, No.4, pp.655-677, 2024.
[56] E. Zattoni, N. Otsuka, G. Conte and A.M.
Perdon, “Model Matching Problems
for Impulsive Linear Systems with Polytopic Uncertainties”, Nonlinear Analysis:
Hybrid Systems, Elsevier
Science Publishers B. V., Vol.52, 101465, 2024.
[57] N. Otsuka, D. Kakehi and P. Ignaciuk,
“Interval Reduced-Order Switched Positive
Observers for Uncertain Switched Positive Linear Systems”,International Journal of Control, Automation and
Systems, Springer
Nature,Vol.22, No.4, pp.1105-1115, 2024.
2. 査読付き国際会議論文
[1] T. Ueno, H. Inaba and N. Otsuka : “Output Feedback Decoupling for Linear Control
Systems Defined in Hilbert Spaces”, Proc.
of IMACS/IFAC International Symposium on Modelling and Simulation of
Distributed Parameter Systems, Edited by Y. Sunahara, S. G. Tzafestas and
T. Futagami, pp. 669-674, Hiroshima, Japan, October, 1987; Distributed Parameter Systems : Modelling and Simulation, Elsevier
Science Publishers B. V. (North-Holland),
pp. 159-164, 1989.
[2] H. Inaba and N.
Otsuka: “Stochastic Disturbance Decoupling”, the International Symposium on the Mathematical Theory of Networks and
Systems (MTNS-89), Edited by M. A. Kaashoek, J. H. van Schuppen and A. C. M.
Ran, Amsterdam, Netherlands, 1989; Robust Control of
Linear Systems and Nonlinear Control, Birkhauser, Vol. II, pp. 397-406, 1990.
[3] N. Otsuka
and H. Inaba : “Block Decoupling Problems with Incomplete State Feedback for
Linear Multivariable Systems”, the Second
SIAM Conference on Linear Algebra : Signals・Systems・Control,
San Francisco, CA, USA, November, 1990.
[4] N.
Otsuka, H. Inaba and K. Toraichi: “Simultaneous Triangular-Decoupling,
Disturbance- Rejection and Stabilization Problem for Infinite-Dimensional
Systems”, Proc. of the 10th
International Conference on Analysis and Optimization of Systems : State and
Frequency Domain Approaches for Infinite-Dimensional Systems, Edited by R.
F. Curtain, Honorary Edited by A Bensoussan and J. L. Lions, Sophia-Antipolis,
France, Lecture
Notes in Control and Information Sciences,
Springer-Verlag, Vol. 185, pp.
290-301, 1993.
[5] N. Otsuka,
H. Inaba and K. Toraichi : “Parameter Insensitive Disturbance-Rejection by
State Feedback for Infinite-Dimensional Systems”, Proc. of the third European Control Conference (ECC’95), Edited by A. Isidori, S.
Bittanti, E. Mosca, A. De Luca, M. D. Di Benedetto and G. Oriolo, Vol. 1, pp.
135-140, Roma, Italy, September, 1995.
[6] N. Otsuka,
H. Inaba and K. Toraichi : “Parameter Insensitive Disturbance-Rejection
Problems with Incomplete-State Feedback for Infinite-Dimensional Systems”, Proc. of the 12th International Conference
on Systems Science, Edited by Z. Bubnicki, Vol. I, pp. 241-249, Wroclaw,
Poland, September, 1995.
[7] K. Shiomi, N.
Otsuka, K. Toraichi and N. Khoda : “A Simultaneous Decoupling Problem for A
Family of Linear Systems with State Feedback”, Proc. of the 12th International Conference on Systems Science,
Edited by Z. Bubnicki, Vol. I, pp. 296-305, Wroclaw, Poland, September, 1995.
[8] K. Ichige, R.
Ishii and N. Otsuka : “Matrices on the Coefficient Space Isomorphic to
the Frequency Transformation of IIR Digital Filters”, Proc. of the 6th International Conference on Signal Processing
Applications & Technology, Vol. I, pp. 634-638, Boston, MA, USA,
October, 1995.
[9] K. Shiomi, N.
Otsuka, H. Inaba and R. Ishii : “Stability for Linear Combinations of Characteristic Polynomials for Discrete -Time Systems”, the International Symposium on the Mathematical Theory of Networks and
Systems (MTNS’96), Edited by C.
F. Martin et al., St. Louis, Missouri, USA, June, 1996.
[10] N. Otsuka
and H. Inaba : “Robust Disturbance-Rejection Problems for Infinite- Dimensional
Systems”, Proc. of the third
International Symposium on Methods and Models in Automation and Robotics (MMAR’96), Edited by S. Banka, S. Domek
and Z. Emirsajlow, Vol. 1, pp. 183-186, Miedzyzdroje, Poland, September, 1996.
[11] N. Otsuka
and H. Inaba : “Robust Disturbance-Rejection Problems with Finite- Dimensional
Dynamic Compensator for Infinite-Dimensional Systems”, Proc. of the fourth European Control Conference (ECC’97), Vol. 5, Infinite-Dimensional
Systems-Part I Section FR-M E4 (435), pp. 1-6, Brussels, Belgium, July, 1997.
[12] N. Otsuka
and H. Inaba : “Robust Disturbance-Rejection Problems with Static Measurement
Feedback for Infinite-Dimensional Systems”, Proc.
of the 2nd Asian Control Conference (ASCC’97),
Vol. III, pp. 55-58, Seoul, Korea, July, 1997.
[13] N. Otsuka
: “Generalized Invariant Subspaces for Linear Multivariable Systems”, Proc. of the UKACC International Conference
on Control’98, Vol. II, pp.1558-1562, Swansea, Wales, UK, September, 1998.
[14] N. Otsuka
and H. Hinata : “Generalized (A,B)-Invariant
Subspaces and Robust Disturbance-Rejection for Infinite-Dimensional Systems”, Proc. of the UKACC International Conference
on Control’98, Vol. II, pp.1045-1048, Swansea, Wales, UK, September, 1998.
[15] K. Ichige, M.
Kamada, N. Otsuka and R. Ishii : “A method of obtaining a digital
simulator of continuous-time systems for computer simulation”, Proc. of
IFAC/SICE - Workshop of CND’98
- Control in Natural Disasters,
pp.29-33, Tokyo, Japan, September, 1998; Control
in Natural Disasters, Elsevier
Science Publishers B. V., pp.23-27, 1998.
[16] N. Otsuka
: “Generalized Invariant Subspaces for Infinite-Dimensional Systems”, Proc. of the 37th IEEE Conference on
Decision and Control (CDC’98) ,
Vol.3, pp.2378-2383, Tampa, Florida, USA, December, 1998.
[17] N. Otsuka
: “Robust Disturbance-Rejection Problems with Output Feedback and Known
Disturbances for Infinite-Dimensional Systems”, Proc. of the American Control Conference (ACC’99), pp. 3795-3799, San Diego, CA, USA, June, 1999.
[18] K.Ichige,
M.Kamada, N.Otsuka, R.Ishii : “A note on designing a digital simulator
of continuous-time systems”, Proc. of the
International Technical Conference on Circuits/Systems, Computers and
Communications, (ITC-CSCC'99) , Vol. I, pp. 52-55, Niigata, Japan, July,
1999.
[19] N. Otsuka
: “Generalized (C,A,B)-pairs
and Robust Disturbance-Rejection Problem with Dynamic Compensator”, Proc. of the fifth European Control Conference (ECC’99), Paper-ID F0116, Karlsruhe,
Germany, August-September, 1999.
[20] K. Ichige, N.
Otsuka and R. Ishii, “Matrix Approach to Two-Dimensional Bilinear
Transformation”, Proc. of the IEEE International Conference on Industrial
Technology (IEEE ICIT 2000) Vol.
1, pp.211-214, Goa, India, January, 2000.
[21] N. Otsuka
: “Generalized Invariant Subspaces and Parameter Insensitive Disturbance- Rejection
Problems with Static Output Feedback and Measurable Disturbances”, Proc. of the American Control Conference
(ACC'00) , pp.882-886, Chicago, USA,
June, 2000.
[22] N. Otsuka : “A Generalized 
-Invariance for Linear ω-periodic Discrete- Time
Systems”, Proc. of the third Asian
Control Conference (ASCC'00) ,
pp.1247-1252, Shanghai, China, July, 2000.
[23] N. Otsuka : “A Disturbance-Rejection Problem with Minimal
Order Dynamic Compensator for Linear ω-Periodic Discrete-Time Systems”, Proc. of 39th IEEE International Conference
on Decision and Control (CDC'00),
pp.3715-3720, Sydney, Australia, December, 2000.
[24] N. Otsuka : “A Note on Disturbance-Rejection Problem with
Low Order Dynamic Compensator for Linear ω-Periodic Discrete-Time Systems”, Proc. of 20th IASTED International
Conference on Modelling, Identification and Control (MIC 2001), pp.489-493, Innsbruck, Austria, February, 2001
[25] N. Otsuka : “Parameter Insensitive Disturbance-Rejection Problems
with Dynamic Compensator for Uncertain Linear ω-Periodic
Discrete-Time Systems”, the Fourth SIAM Conference on Linear Algebra in
Signals and Control (LC’01), p.25, Boston, MA, USA, August, 2001.
[26] N. Otsuka : “Generalized Controlled and Conditioned
Invariances for Linear ω-Periodic Discrete-Time Systems”, Proc. of the sixth European
Control Conference (ECC’01), pp.2404-2409,
Porto, Portugal, September, 2001.
[27] K. Ichige, M. Kamada, N. Otsuka and R. Ishii, “A Design
Precedure of Digital Simulators Optimized for Time / Frequency Mixed Criteria”,
Proc. of the International Technical Conference on Circuits/Systems,
Computers and Communications (ITC-CSCC’01), pp.374-377, Tokushima,
Japan, July, 2001.
[28] N. Otsuka : “Generalized (C,A,B)-pairs for Linear
Discrete-Time Systems”, Proc. of the
American Control Conference (ACC'02),
pp.2418-2423, Anchorage, Alaska, USA, May, 2002.
[29] N. Otsuka
: “Generalized S(C,A,B)-pairs for Infinite-Dimensional Systems”, Proc.
of the 15 th IFAC World Congress b’02,
Paper ID:1942, Barcelona, Spain, July, 2002.
[30] S. Kanai, N. Otsuka and H. Inaba: “Another sets of Schur
Interval Polynomials Based on a Given Schur Interval Polynomial”, Proc. of the fourth Asian
Control Conference (ASCC'02) , Paper
ID 1283, Singapore, September, 2002.
[31] N. Otsuka and Rixat Abdursul: “Further Studies on Generalized
Invariant Subspaces”, Proc. of the IEEE
Region 10 Technical Conference on Computers, Communications, Control and Power
Engineering (TENCON'02), Vol. III, pp.1327-1330, Beijing, CHINA, October, 2002.
[32] N. Otsuka and T. Okada : “On Hurwitz stability of weighted
diamond polynomials”, Proc. of the IEEE 11 th
Mediterranean Conference on Control and Automation MED’03, Paper ID
IV05-06, Rhodes, Greece, June, 2003.
[33] N. Otsuka : “Generalized S(C,A,B)-pairs and
Parameter Invariant Controls for Uncertain Linear Infinite-Dimensional Systems”,
Proc. of the IEEE 12 th Mediterranean Conference on
Control and Automation MED’04, Paper ID 1188, Kusadasi, Aydin, Turkey,
June, 2004.
[34] N. Otsuka : “Equivalent Conditions on Generalized Invariant
Subspaces for Infinite-Dimensional Systems”, Proc. of the fifth Asian Control Conference (ASCC'04) , pp.782-787, Melbourne, Australia, July, 2004.
[35] N. Otsuka, K. Ichige and R. Ishii: “A Note on Schur
Stability of Real Weighted Diamond Polynomials”, Proc. of 2004 International Conference on Control, Automation and
Systems (ICCAS2004), pp.421-424, Bangkok, Thailand, August, 2004.
[36] H. Matsumoto and N. Otsuka : “A Note on Positive Invariant
Set for Linear Uncertain Discrete-Time Systems”, Proc. of 2005 International Conference on Control, Automation and
Systems (ICCAS2005), pp.571-574, Gyeonggi-Do, Korea, June, 2005.
[37] N. Otsuka : “Necessary and Sufficient Conditions for
Parameter Insensitive Disturbance-Rejection Problems with Static Feedback”, 16
th IFAC World Congress, Paper Code:Tu-M11-TO/3, Prague, Czech
Republic, July, 2005.
[38] N. Otsuka : “A Note on Parameter Insensitive Disturbance
Rejection Problems with Dynamic Output Feedback for Uncertain Linear Systems”, Proc. of the American Control
Conference (ACC'06), pp.5672-5673,
Minneapolis, Minnesota, USA, June, 2006.
[39] N. Otsuka : “Parameter Insensitive Disturbance-Rejection Problem
with State Feedback for Linear Periodic Discrete-Time Systems”, Proc. of the 5th
IFAC Symposium on Robust Control Design (ROCOND'06), Paper File: 192.pdf, Toulouse, France, July, 2006.
[40] N. Otsuka : “Necessary and Sufficient Conditions for Parameter
Insensitive Disturbance-Rejection Problems with Measurement Output Feedback”, Proc. of the International Symposium
on Mathematical Theory of Networks and Systems (MTNS2006), pp.2602-2608, Kyoto, Japan,
July, 2006.
[41] N. Otsuka : “Simultaneously Controlled and Conditioned
Invariances for a Family of Linear ω-Periodic Discrete-Time Systems”, Proc. of 46th IEEE International Conference
on Decision and Control (CDC2007), pp.2749-2754, New Orleans, USA,
December, 2007.
[42] N. Otsuka, H. Matsumoto and T. Soga: “Positive D-Invariance Conditions of Polyhedral
Sets for Linear Uncertain Discrete-Time Systems”, Proc. of the IASTED International Conference on Circuits and Systems (CS2008),
pp.25-30, Kailua-Kona, USA, August, 2008.
[43] T. Atajan, N. Otsuka and X. Yong: “The Spanning Trees
Formulas in a Class of Double Fixed-Step Loop Networks”, Proc. of the Fifth Workshop on Analytic Algorithmics and Combinatorics (Analco
09), pp.17-22, New York, USA, January, 2009.
[44] T. Atajan, N. Otsuka and X. Yong: “The Number of Two Dimensional Run Length Constrained Arrays”, Proc. of 2009 International Conference on Machine
Learning and Computing (ICMLC 2009), pp.415-419, Perth, Australia, July, 2009.
[45] N. Otsuka and T. Soga: “Necessary and
Sufficient Conditions on Quadratic Stablizability for Polytopic Uncertain
Continuous-Time Switched Linear Systems”,
Proc. of 2009 International Conference on
Control and Automation (CA 2009), Jeju, Korea, Communications in Computer
and Information Science 65, Springer- Verlag,
pp.1-7, 2009.
[46] T.
Soga and N. Otsuka: “Quadratic Stabilizability for Polytopic Uncertain
Continuous- Time Switched Linear Systems by Output Feedback”, Proc. of the American Control
Conference (ACC2010), pp.3920-3925,
Baltimore, Maryland, USA, June30-July2, 2010.
[47] N. Otsuka,: “Disturbance Decoupling Problems with
Quadratic Stability for Switched Linear Systems via State Feedback”, Proc. of the International Symposium on
Mathematical Theory of Networks and Systems (MTNS2010), pp.487-490, Budapest, Hungary,
July, 2010.
[48] T. Soga and N. Otsuka : “Quadratic Stabilizability for
Polytopic Uncertain Continuous-Time Switched Linear Systems via Switched Output
Feedback”, Proc. of the IEEE 19 th Mediterranean
Conference on Control and Automation MED’11, pp.724-729, Greece, Corfu,
June, 2011.
[49] N. Otsuka : “Disturbance Decoupling via Dynamic Output
Feedback for Switched Linear Systems”, Proc. of the 18 th
IFAC World Congress b’11, pp.4076-4081, Milano, Italy, August 28-September 2, 2011.
[50] K. Alimhan and N. Otsuka: “A Note on Practically Output Tracking Control of
Nonlinear Systems that May Not be
Linearizable at the Origin”, Proc. of 2011 International Conference on
Control and Automation (CA 2011), Jeju, Korea, Communications in Computer and Information Science
256, Control and Automation, and Energy System Engineering, Springer- Verlag,
pp.17-25, 2011.
[51] N. Otsuka and H. Saito: “Disturbance Decoupling with Quadratic Stability for Polytopic
Uncertain Switched Linear Systems”, Proc. of the7th IFAC Symposium on Robust Control Design (ROCOND’12), pp.570-575, Aalborg, Denmark, June 20-22, 2012.
[52] K. Alimhan and N. Otsuka: “A New Result on Practically Output Tracking Control of Nonlinear
Systems That May Not Be Linearizable at the Origin”, Proc. of the 8th IEEE International Symposium on Instrumentation and Control Technology
(ISICT2012), pp.235-239, London, UK, July 11-13, 2012.
[53] T.Soga and N.Otsuka, “Stabilization for Switched Linear Systems with Constant Input via Switched
Observer”Proceedings of the 2012 International Conference on Control and Automation
(CA2012):ASTL Proceedings, Jeju, Korea, pp.91-96,2012.
[54] T.
Soga, N. Otsuka, G. Nakayama and A Tojo: “Stabilization for
Polytopic Uncertain Switched Linear Systems with Constant Input”, Proc. of the 9-th Asian
Control Conference (ASCC'13), Paper
Number 0037 (6 pages), Istanbul, June, 2013.
[55] N. Otsuka, H. Saito, G. Conte and A. M. Perdon: “Disturbance Decoupling via State
Feedback for Uncertain Switched Linear Systems”, Proc. of 52nd IEEE
International Conference on Decision and Control (CDC'13), pp.5333-5338, Florence, Italy, December, 2013.
[56] N. Otsuka, G. Conte and A. M. Perdon: “Robust Controlled
and Conditioned Invariant Subspaces for Uncertain Switched Linear Systems”, Proc. of 21st International Symposium on Mathematical Theory of Networks
and Systems (MTNS'14), pp.772-775, Groningen, The Netherlands, July, 2014.
[57] K. Alimhan, N. Otsuka, M. N. Kalimoldayev and A. A. Adamov, “Output Tracking Problem of Uncertain Nonlinear Systems
with High-Order Nonlinearities”, Proc. of 2015 8th International Conference on Control and Automation, pp.1-4, Jeju, Korea, November, IEEE CPS, 2015.
[58] N. Otsuka, and S. Sekiguchi, “Quadratic Stabilization and Transit Problems for Switched
Linear Systems via State Feedback”, Proc. of 3rd International
Conference on Mathematics and Computers in Sciences and Industry (MCSI'2016), pp.122-127, Chania, Crete, Greece, August,IEEE, DOI 10.1109/MCSI.2016.12 , 2016.
[59] N. Otsuka and D. Kakehi: “Stabilization of Switched Linear Systems under Arbitrary Switching via
Switched Observers”, Proc. of the 2017 Asian Control Conference (ASCC2017), pp.2484-2489, Gold
Coast, Australia, December, 2017.
[60] K. Alimhan, N. Otsuka, M. N. Kalimoldayev and N. Tasbolat, "Practical Output Tracking for a Class of Uncertain Nonlinear Time-Delay
Systems via State Feedback", 2018 Asia-Pacific Conference on Applied Mathematics and Statistics (AMS2018), MATEC Web of Conferences 189,10027, pp.1-8, Hanoi, Vietnam, March, 2018.
[61] N. Otsuka and D. Kakehi: “Stabilization of Continuous-Time Switched Linear Systems under Arbitrary
Switching via Reduced-Order Switched Observers”, The 12th
UKACC International Conference on Control (Control 2018), p.223, Sheffield, UK, September, 2018.
[62] N. Otsuka and D. Kakehi: “Interval Switched Positive Observers for Continuous-Time Switched Positive
Systems under Arbitrary Switching”, 5th IFAC International Conference on Intelligent Control and Automation
Sciences (ICONS 2019), Belfast, Northern Ireland, UK, August (IFAC Papers OnLine, 52-11, pp.250-255, 2019).
[63] N. Otsuka and D. Kakehi: “Interval Switched Positive Observers for Discrete-Time Switched Positive
Systems under Arbitrary Switching”, The 2019 Australian & New Zealand
Control Conference, ANZCC2019, pp.148-151, Auckland, New Zealand, November, 2019.
[64] N. Otsuka and D. Kakehi: “Interval Full-Order Switched
Positive Observers for Uncertain Switched Positive Linear Systems”, 21st IFAC World Congress, Berlin, Germany, July, 2020 (IFAC Papers OnLine,
53-2, pp.6465-6470, 2020).
[65] N. Otsuka and D. Kakehi: “Interval Reduced-Order Positive Observers for Continuous-Time
Positive Linear Systems”, 24th International Symposium on Mathematical Theory of Networks and Systems (MTNS), Accepted, Cambridge Univ., UK, August, 2021.
[66] E. Zattoni,N. Otsuka, A. M. Perdon, G. Conte : “Disturbance
Decoupling by Dynamic
Output Feedback for
Linear Impulsive Systems with Periodic Jumps”, Proc. of the30th Mediterranean Conference on Control and Automation MED2022, pp.1000-1005, Greece, Athens, 2022.
[67] H. Sato and N. Otsuka : “SEIQRS Epidemic Model and its State Estimation using Positive Observer”,
Proc. of the 2024 Australian & New Zealand Control Conference, ANZCC2024, pp.181-185, Gold Coast, Australia, February, 2024.
[68] H. Sato and N. Otsuka : “SEIQRS Epidemic Model and its State Estimation using Interval Reduced-Order Positive Observer”, Proc. of the 19th IEEE Conference on Industrial Electronics and Applications, ICIEA2024, Accepted, Kristiansand, Norway, August, 2024.
3. その他
[1] 寅市和男，大塚尚久，” ウェーブレット”, 日本ファジー学会誌，Vol.6, No.2, pp.232-252, 1994.
[2] N. Otsuka and R.Abdursul : “Equivalent Conditions for Generalized Invariant
Subspaces”, Proceedings of the 1st COE Workshop on Human Adaptive Mechatronics
(HAM), pp.89-92, 5-6 March 2004, Tokyo Denki University, Japan.
[3] N. Otsuka : “Equivalent Conditions on Generalized Invariant Subspaces
for Uncertain Infinite-Dimensional Systems”, Proceedings of the 2st COE
Workshop on Human Adaptive Mechatronics (HAM), pp.51-54, 4-5 March 2005,
Tokyo Denki University, Japan.
[4] N. Otsuka : “Simultaneously Invariant Subspaces and Disturbance Rejection
Problem for Uncertain Linear Systems”, Proceedings of the 3rd COE Workshop
on Human Adaptive Mechatronics (HAM), pp.135-138, 3-4 March 2006, Tokyo
Denki University, Japan.
[5] N. Otsuka : “A Geometric Approach for Structured Uncertain Linear Systems
and Robust Stability of a Weighted Diamond Family of Polynomials”, Proceedings
of the 5th COE Workshop on Human Adaptive Mechatronics (HAM), pp.113-122,
16-17 November 2007, Tokyo Denki University, Japan.
国内学会発表他：略
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