著書

2017

Y. Ebihara, N. Nishio, and T. Hagiwara, “Stability Analysis of Neutral Type Time-Delay Positive Systems,” Chapter 6 of “Positive Systems,” Lecture Notes in Control and Information Sciences, Springer, ISBN 978-3-319-54211-9 (2017).

2015

Y. Ebihara, D. Peaucelle, and D. Arzelier, “S-Variable Approach to LMI-Based Robust Control,” Springer, ISBN 978-1-4471-6606-1 (2015).

2012

蛯原義雄, “LMIによるシステム制御，” 森北出版，ISBN-10: 4627921012, ISBN-13: 978-4627921016 (2012).

Papers in International Journals (Selected)

2025

Y. Ebihara, N. Sebe, H. Waki, D. Peaucelle, V. Magron, S. Tarbouriech, and T. Hagiwara, “Induced Norm Analysis of Linear Systems for Nonnegative Input Signals,” Automatica, accepted for publication (2025). NEW!!

2024

T. Yuno, K. Fukuchi, and Y. Ebihara, “A Lyapunov-Based Method of Reducing Activation Functions of Recurrent Neural Networks for Stability Analysis,” IEEE Control Systems Letters, Vol. 8, pp. 1102-1107 (2024).

2022

Y. Ebihara, “The l_q/l_p Hankel Norms of Discrete-Time Positive Systems Across Switching,” SICE Journal of Control, Measurement, and System Integration, invited paper, Vol. 15, No. 2, pp. 109-118 (2022).

2021

Y. Ebihara, H. Waki, V. Magron, N. H. A. Mai, D. Peaucelle, and S. Tarbouriech, “ l₂ Induced Norm Analysis of Discrete-Time LTI Systems for Nonnegative Input Signals and Its Application to Stability Analysis of Recurrent Neural Networks,” The 2021 ECC Special Issue of the European Journal of Control, Vol. 62, pp. 99-104 (2021).
B. Zhu, J. Lam, and Y. Ebihara, “Input-output Gain Analysis of Positive Periodic Systems,” International Journal of Robust and Nonlinear Control, Vol. 31, No. 8, pp. 2929-2945 (2021).
H. Waki, Y. Ebihara, and N. Sebe, “Reduction of SISO H_∞ Output Feedback Control Problem,” Linear Algebra and Its Application, Vol. 610, pp. 321-378 (2021).

2020

Y. Ebihara, N. Sebe, and H. Waki, “On Gain-Scheduled State-Feedback Controllers Synthesis under Quadratic Stability Condition,” IEEE Control Systems Letters, Vol. 4, No. 3, pp. 662-667 (2020).
Y. Ebihara, B. Zhu, and J. Lam, “The L_q/L_p Hankel Norms of Positive Systems,” IEEE Control Systems Letters, Vol. 4, No. 2, pp. 462-467 (2020).
T. Kato, Y. Ebihara, and T. Hagiwara, “Analysis of Positive Systems Using Copositive Programming,” IEEE Control Systems Letters, Vol. 4, No. 2, pp. 444-449 (2020).

2018

Y. Ebihara, “H2 Analysis of LTI Systems via Conversion to Externally Positive Systems,” IEEE Transactions on Automatic Control, Vol. 63, No. 8, pp. 2566-2572 (2018).
H. Ichihara, S. Tanabe, Y. Ebihara, and D. Peaucelle, “Analysis and Synthesis of Discrete-Time Interconnected Positive Systems,” SICE Journal of Control, Measurement, and System Integration, Vol. 11, No. 2, pp. 91-99 (2018).

2017

Y. Ebihara, D. Peaucelle, and D. Arzelier, “Steady-State Analysis of Delay Interconnected Positive Systems and Its Application to Formation Control,” IET Control Theory and Applications, Vol. 11, No. 16, pp. 2783-2792 (2017).
D. Peaucelle, Y. Ebihara, and Y. Hosoe, “Robust Observed-State Feedback Design for Discrete-Time Systems Rational in the Uncertainties,” Automatica, Vol. 76, No. 2, pp. 96-102 (2017).
Y. Ebihara, D. Peaucelle, and D. Arzelier, “Analysis and Synthesis of Interconnected Positive Systems,” IEEE Transactions on Automatic Control, Vol. 62, No. 2, pp. 652-667 (2017).

2016

Y. Ebihara, D. Peaucelle, and D. Arzelier, “Convergence Rate Analysis of Multi-Agent Positive Systems Under Formation Control: An Efficient Algorithm by Exploiting Positivity,” SICE Journal of Control, Measurement, and System Integration, Vol. 9, No. 5, pp. 216-224 (2016).
Y. Ebihara, K. Matsuo, and T. Hagiwara, “LMI-based Lower Bounds Analysis of The Best Achievable H_∞ Performance for SISO Systems,” SICE Journal of Control, Measurement, and System Integration, Vol. 9, No. 4, pp. 165-172 (2016).

2014

Y. Ebihara, D. Peaucelle, D. Arzelier, and F. Gouaisbaut, “Dominant Pole Analysis of Stable Time-Delay Positive Systems,” IET Control Theory and Applications, Vol. 8, No. 17, pp. 1963-1971 (2014).
Y. Ebihara and N. Sebe, “ Lower Bound Analysis of H_∞ Performance Achievable via Decentralized LTI Controllers,” International Journal of Robust and Nonlinear Control, Vol. 24, No. 16, pp. 2423-2437 (2014).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ On the Structure of Generalized Plant Convexifying Static H_∞ Control Problems,” Automatica, Vol. 50, No. 6, pp. 1706-1714 (2014).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ LMI Approach to Linear Positive System Analysis and Synthesis,” Systems and Control Letters, Vol. 63, No. 1, pp. 50-56 (2014).

2013

J.F. Trégouët, D. Peaucelle, D. Arzelier and Y. Ebihara, “ Periodic Memory State-Feedback Controller: New formulation, Analysis and Design Results,” IEEE Transactions on Automatic Control, Vol. 58, No. 8, pp. 1986-2000 (2013).
Y. Ebihara, “ Periodically Time-Varying Memory State-Feedback for Robust H2 Control of Uncertain Discrete-Time Linear Systems,” Asian Journal of Control, Vol. 15, No. 2, pp. 409-419 (2013).

2011

Y. Ebihara, J. Yamaguchi and T. Hagiwara, “Periodically Time-Varying Controller Synthesis for Multiobjective H₂ /H_∞ Control of Discrete-Time Systems and Analysis of Achievable Performance,” Systems and Control Letters, Vol. 60, No. 9, pp. 709-717 (2011).
Y. Ebihara, D. Peaucelle and D. Arzelier, “Periodically Time-Varying Memory State-Feedback Controller Synthesis for Discrete-Time Linear Systems,” Automatica, Vol. 47, No. 1, pp. 14-25 (2011).

2010

Y. Ebihara, D. Peaucelle and D. Arzelier, “Analysis of Uncertain Discrete-Time Linear Periodic Systems based on System Lifting and LMIs,” European Journal of Control, Vol. 16, No. 5, pp. 532-544 (2010).

2009

Y. Ebihara, Y. Onishi and T. Hagiwara, “Robust Performance Analysis of Uncertain LTI Systems: Dual LMI Approach and Verifications for Exactness,” IEEE Transactions on Automatic Control, Special Issue on “Positive Polynomials in Control,” Vol. 54, No. 5, pp. 938-951 (2009).

2008

Y. Ebihara, “On the Exactness Proof of (D,G) Scaling,” SICE Journal of Control, Measurement, and System Integration, Vol. 1, No. 6, pp. 474-478 (2008).
Y. Ebihara, Y. Hirai and T. Hagiwara, “On H_∞ Model Reduction for Discrete-Time LTI Systems Using LMIs,” Asian Journal of Control, Vol. 10, No. 3, pp. 291-300 (2008).
Y. Ebihara, “Computing the Distance to Uncontrollability via LMIs: Lower Bound Computation with Exactness Verification,” Systems and Control Letters, Vol. 57, No. 9, pp. 763-771 (2008).
Y. Ebihara, K. Maeda and T. Hagiwara, “Generalized S-procedure for Inequality Conditions on One-Vector-Lossless Sets and Linear System Analysis,” SIAM Journal on Control and Optimization, Vol. 47, No. 3, pp. 1547-1555 (2008).

2006

Y. Ebihara, Y. Ito and T. Hagiwara, “Exact Stability Analysis of 2-D Systems Using LMIs,” IEEE Transactions on Automatic Control, Vol. 51, No. 9, pp. 1509-1513 (2006).
Y. Ebihara and T. Hagiwara, “On the Degree of Polynomial Parameter-Dependent Lyapunov Functions for Robust Stability of Single Parameter-Dependent LTI Systems: A Counter-example to Barmish's Conjecture,” Automatica, Vol. 42, No. 9, pp. 1599-1603 (2006).

2005

Y. Ebihara and T. Hagiwara, “A Dilated LMI Approach to Robust Performance Analysis of Linear Time-Invariant Uncertain Systems,” Automatica, Vol. 41, No. 11, pp. 1933-1941 (2005).

2004

Y. Ebihara, K. Tokuyama and T. Hagiwara, “Structured Controller Synthesis Using LMI and Alternating Projection Method,” International Journal of Control, Vol. 77, No. 12, 1137-1147 (2004).
Y. Ebihara and T. Hagiwara, “New Dilated LMI Characterizations for Continuous-Time Multiobjective Controller Synthesis,” Automatica, Vol. 40, No. 11, pp. 2003-2009 (2004).
Y. Ebihara and T. Hagiwara, “On H_∞ Model Reduction Using LMIs,” IEEE Transactions on Automatic Control, Vol. 49, No. 7, pp. 1187-1191 (2004).

2000

Y. Ebihara, T. Hagiwara and M. Araki, “Sequential Tuning Methods of LQ/LQI Controllers for Multivariable Systems and Their Application to Hot Strip Mills,” International Journal of Control, Vol. 73, No. 15, pp. 1392-1404 (2000).

Papers in Japanese Journals (Selected)

2025

湯野剛史，福地和真，蛯原義雄：再帰型ニューラルネットワークの安定性判別のための圧縮モデルの構築と入出力特性の評価，計測自動制御学会論文集， Vol. 61, No. 3, pp. 104-114 (2025). NEW!!

2023

志賀亮介，萩原朋道，蛯原義雄：サンプル値系の外部非負性とL_q/L_∞ハンケルノルム解析，計測自動制御学会論文集， Vol. 59, No. 3, pp. 92-102 (2023).
高尾亮太，藤井達希，本岡駿人，蛯原義雄： “積分二次制約と共正値マルチプライアを用いた連続時間再帰型ニューラルネットワークの安定性解析，” システム制御情報学会論文誌， Vol. 36, No. 1, pp. 17-25 (2023)

2022

楊熙，蛯原義雄，萩原朋道： “離散化双線形モデルに基づくバックコンバータ出力電圧のSOS 手法による非線形制御，” システム制御情報学会論文誌， Vol. 35, No. 6, pp. 153-164 (2022).
本岡駿人，蛯原義雄， “非負値入力に対するL2誘導ノルムの解析と再帰型ニューラルネットワークの安定性解析への応用，” システム制御情報学会論文誌， Vol. 35, No. 2, pp. 29-37 (2022).

2021

志賀亮介，加藤光樹，蛯原義雄，萩原朋道， “離散時間非負システムの lq/lp Hankel ノルム解析，” 計測自動制御学会論文集， Vol. 57, No. 3, pp. 128-137 (2021).

2019

蛯原義雄，瀬部昇，増淵泉，脇隼人，管野政明，椿野大輔， “離散時間線形時不変システム解析のための外部非負システムの構成と低次元化，” システム制御情報学会論文誌， Vol. 32, No. 7, pp. 284-293 (2019).

2018

蛯原義雄，瀬部昇，増淵泉，脇隼人，管野政明，椿野大輔， “外部非負システムへの変換による離散時間線形時不変システムのH2解析，” システム制御情報学会論文誌， Vol. 31, No. 2, pp. 75-84 (2018).
反甫透，蛯原義雄，萩原朋道， “離散化双線形モデルに基づくブーストコンバータ平均出力電圧の非線形出力フィードバック制御，” システム制御情報学会論文誌， Vol. 31, No. 2, pp. 63-74 (2018).

2015

後藤良介，蛯原義雄，萩原朋道， “離散化双線形モデルに基づくブーストコンバータ出力電圧の積分補償付非線形制御 II. 制御則の導出と実験による検証，” システム制御情報学会論文誌， Vol. 28, No. 7, pp. 330-339 (2015).
後藤良介，蛯原義雄，萩原朋道， “離散化双線形モデルに基づくブーストコンバータ出力電圧の積分補償付非線形制御 I. モデル化と同定，” システム制御情報学会論文誌， Vol. 28, No. 7, pp. 320-329 (2015).
西尾直也，蛯原義雄，萩原朋道， “複数のむだ時間を有する線形非負システムの支配極解析,” システム制御情報学会論文誌， Vol. 28, No. 4, pp. 147-154 (2015).

2014

島本拓和，蛯原義雄，萩原朋道， “粒子群最適化手法に基づく太陽光発電装置の最大電力点追従制御と実機実験による検証,” システム制御情報学会論文誌， Vol. 27, No. 6, pp. 237-245 (2014).

2013

松村大気，蛯原義雄，萩原朋道， “重み付きl1誘導ノルムを用いた離散時間結合非負システムの安定性解析,” システム制御情報学会論文誌， Vol. 26, No. 10, pp. 355-364 (2013).
松村大気，蛯原義雄，萩原朋道， “LMIを用いた離散時間非負システムの安定性とH_∞性能解析,” システム制御情報学会論文誌， Vol. 26, No. 1, pp. 45-51 (2013).

2010

松田雄介，田原雅人，蛯原義雄，萩原朋道， “単一の不確定パラメータを有する線形時不変系のロバストH_∞性能解析：双対LMIに基づく緩和問題の漸近的に厳密な階層的構成と非漸近的な厳密性検証,” システム制御情報学会論文誌， Vol. 23, No. 3, pp. 46-55 (2010).

2009

札場勇大，蛯原義雄，萩原朋道，岡崎安直，小松真弓， “単純適応制御系設計におけるスケーリングの導入と拮抗型空圧人工筋駆動機構の位置決め制御への応用,” システム制御情報学会論文誌， Vol. 22, No. 10, pp. 350-356 (2009).

2008

金盛且洋，清田将五郎，蛯原義雄，萩原朋道，岡崎安直，小松真弓， “プラント変数最適ロバストサーボ系に基づく 2軸型空圧人工筋アームの軌道追従制御：圧力情報を利用したオブザーバによる追従性能の向上,” 計測自動制御学会論文集, Vol. 44, No. 11, pp. 927-935 (2008).

2006

川田昌克，蛯原義雄，陳幹， “H_∞状態フィードバック設計のための redundant descriptor approach: 伸張型 LMI に基づく既存結果の拡張,” 計測自動制御学会論文集, Vol. 42, No. 7, pp. 750-757 (2006).
平井義人，蛯原義雄，萩原朋道， “多項式型パラメータ依存 Lyapunov 関数を用いた不確かな線形時不変系のロバストH_∞性能解析,” 計測自動制御学会論文集, Vol. 42, No. 6, pp. 618-627 (2006).

2005

蛯原義雄，萩原朋道， “制御系の切換時における外乱応答の評価手法に関する検討: 線形作用素表現に基づくL₂ゲイン解析,” 計測自動制御学会論文集, Vol. 41, No. 11, pp. 937-938 (2005).

2003

桑原丈，細川琢磨，蛯原義雄，萩原朋道，森岡靖夫， “定常ゲインを考慮したモデル低次元化手法とその電力系統縮約への応用,” システム制御情報学会論文誌， Vol. 16, No. 9, pp. 476-483 (2003).
Y. Ebihara and T. Hagiwara, “A Dilated LMI Approach to Continuous-Time Gain Scheduled Controller Synthesis with Parameter-Dependent Lyapunov Variables,” 計測自動制御学会論文集, Vol. 39, No. 8, pp. 734-740 (2003).

2001

京和泉宏三，藤田行茂，蛯原義雄, “単純適応制御手法による空圧サーボ位置決め制御: PFC のオートチューニング機構の導入,” システム制御情報学会論文誌, Vol. 14, No. 3, pp. 102-109 (2001).

Conference Papers (Selected)

2025

H. Gyotoku, T. Yuno, Y. Ebihara, D. Peaucelle, and S. Tarbouriech, Submitted (2025). “Detecting Destabilizing Nonlinearities in Absolute Stability Analysis with Static O'Shea-Zames-Falb Multipliers,” Proc. of the 64th IEEE Conference on Decision and Control, Rio de Janeiro, Brazil, to appear (2025). NEW!!
H. Gyotoku, T. Yuno, Y. Ebihara, D. Peaucelle, S. Tarbouriech, and V. Magron, “Detecting Destabilizing Nonlinearities in Absolute Stability Analysis of Discrete-Time Feedback Systems,” Proc. of the 11th IFAC Symposium on Robust Control Design (ROCOND 2025), Porto, Portugal, 6 pages (2025).
S. Callegari, D. Peaucelle, F. Gouaisbaut, Y. Ebihara, and M. Sato, “Improved S-variable Results Applied to the Analysis of Time-Varying Uncertain Systems,” Proc. of the 11th IFAC Symposium on Robust Control Design (ROCOND 2025), Porto, Portugal, 6 pages (2025).
H. Gyotoku, T. Yuno, Y. Ebihara, V. Magron, D. Peaucelle, and S. Tarbouriech, “On Dual of LMIs for Absolute Stability Analysis of Nonlinear Feedback Systems with Static O'Shea-Zames-Falb Multipliers,” Proc. of the 23rd European Control Conference, Thessaloniki, Greece, pp. 1237-1242 (2025).

2024

T. Yuno, S. Nishinaka, R. Saeki, and Y. Ebihara, “On Static O'Shea-Zames-Falb Multipliers for Idempotent Nonlinearities,” Proc. of the 63rd IEEE Conference on Decision and Control, Milan, Italy, pp. 5870--5875 (2024).
T. Yuno, K. Fukuchi, and Y. Ebihara, “A Lyapunov-based Method of Reducing Activation Functions of Recurrent Neural Networks for Stability Analysis,” Proc. of the 63rd IEEE Conference on Decision and Control, Milan, Italy, 6 pages (2024).
T. Yuno, S. Nishinaka, R. Saeki, and Y. Ebihara, “Stability Analysis of Feedback Systems with Idempotent Nonlinearities via Static O'Shea-Zames-Falb Multipliers,” Proc. of the SICE Festival 2024 with Annual Conference, Kochi, Japan, pp. 933-936 (2024).
T. Yuno, S. Nishinaka, R. Saeki, Y. Ebihara, V. Magron, D. Peaucelle, S. Zoboli, and S. Tarbouriech, “Stability Analysis of Feedback Systems with ReLU Nonlinearities via Semialgebraic Set Representation,” Proc. of the 4th IFAC Conference on Modelling, Identification and Control of Nonlinear Systems (MICNON2024), Lyon, France, IFAC-PapersOnLine, Vol. 58, No. 21, pages 138--143 (2024).
Y. Ebihara, X. Dai, T. Yuno, V. Magron, D. Peaucelle, and S. Tarbouriech, “Local Lipschitz Constant Computation of ReLU-FNNs: Upper Bound Computation with Exactness Verification,” Proc. of the 22nd European Control Conference, Stockholm, Sweden, pp. 2499-2504 (2024).
D. Peaucelle, Y. Hosoe, and Y. Ebihara, “About An Alternative S-variable Condition for State-Feedback Design,” Proc. of the 22nd European Control Conference, Stockholm, Sweden, pp. 2984-2989 (2024).

2023

S. Nishinaka, K. Kadota, T. Yuno, and Y. Ebihara, “Stability Analysis of Feedback Systems with Idempotent Nonlinearities, Proc. of the SICE Annual Conference,” Mie, Japan, pp. 1340-1343 (2023).
Y. Ebihara, N. Sebe, H. Waki, and T. Hagiwara, “Lower Bound Analysis of Lp+ Induced Norm for LTI Systems, Proc. of the 22nd IFAC World Congress,” Yokohama, Japan, pp. 2736-2741 (2023).
C. Zhao, X. Gong, Y. Ebihara, and M. Ogura, “Impulse-to-Peak Optimization of Positive Linear Systems via DC Programming,” Proc. of the 22nd IFAC World Congress, Yokohama, Japan, pp. 5544-5549 (2023).

2022

V. Magron, N. H. A. Mai, Y. Ebihara, and H. Waki, “Tractable Semidefinite Bounds of Positive Maximal Singular Values,” Proc. of the 25th International Symposium on Mathematical Theory of Networks and Systems (MTNS2022), Bayreuth, Germany, 6 pages (2022).
R. Saeki and Y. Ebihara, “Stability Analysis of Dynamical Systems with Saturation Nonlinearities via IQC with Copositive Multipliers,” Proc. of SICE Annual Conference, Kumamoto, Japan, 4 pages (2022).
Y. Ebihara, H. Waki, N. Sebe, V. Magron, D. Peaucelle, and S. Tarbouriech, “L₂₊ Induced Norm Analysis of Continuous-Time LTI Systems Using Positive Filters and Copositive Programming,” Proc. of the 20th European Control Conference, London, UK, 6 pages (2022).

2021

Y. Ebihara, H. Waki, V. Magron, N. H. A. Mai, D. Peaucelle, and S. Tarbouriech, “ Stability Analysis of Recurrent Neural Networks by IQC with Copositive Multipliers,” Proc. of the 60th IEEE Conference on Decision and Control, Austin, Texas, USA, 6 pages (2021).
Y. Ebihara, H. Waki, V. Magron, N. H. A. Mai, D. Peaucelle, and S. Tarbouriech, “ l₂ Induced Norm Analysis of Discrete-Time LTI Systems for Nonnegative Input Signals and Its Application to Stability Analysis of Recurrent Neural Networks,” Proc. of the 19th European Control Conference, 6 pages (2021).

2020

Y. Ebihara, N. Sebe, and H. Waki, “On Gain-Scheduled State-Feedback Controllers Synthesis under Quadratic Stability Condition,” Proc. of the 59th IEEE Conference on Decision and Control, Jeju Island, Republic of Korea, 6 pages (2020).
Y. Ebihara, D. Peaucelle, and D. Arzelier, “The Hankel-type L_q/L_p Induced Norms of Positive Systems Across Switching,” Proc. the 21th IFAC World Congress, Berlin, Germany, 6 pages (2020).

2019

Y. Ebihara, P. Colaneri, and J. C. Geromel, “H2 State-Feedback Control for Continuous-Time Systems under Positivity Constraint,” Proc. of the 17th European Control Conference, Napoli, Italy, pp. 3797-3802 (2019).

2018

Y. Ebihara, “Linear-Programming-based Decentralized Stabilizing Controller Synthesis for Interconnected Positive Systems and Its Optimality Property,” Proc. of SICE Annual Conference, Nara, Japan, pp. 1322-1327 (2018).
D. Peaucelle and Y. Ebihara, “Affine Versus Multi-Affine Models for S-Variable LMI Conditions,” Proc. of the 9th IFAC Robust Control Design (ROCOND 2018), Florianopolis, Brazil, pp. 643-648 (2018).
Y. Ebihara, “Construction of Externally Positive Systems for Discrete-Time LTI System Analysis,” Proc. of the 9th IFAC Robust Control Design (ROCOND 2018), Florianopolis, Brazil, pp. 637-642 (2018).
B. Zhu, J. Lam, and Y. Ebihara, “L_∞-gain Analysis of Discrete-Time Positive Periodic Systems,” Proc. of the 23rd International Symposium on Mathematical Theory of Networks and Systems (MTNS2018), Hong Kong, pp. 554-556 (2018).
Y. Ebihara, “LTI System Analysis via Conversion to Externally Positive Systems: Order Reduction via Elimination and Duplication Matrices,” Proc. of the 23rd International Symposium on Mathematical Theory of Networks and Systems (MTNS2018), Hong Kong, pp. 531-536 (2018).
Y. Ebihara, “H2 State-Feedback Synthesis under Positivity Constraint: Upper and Lower Bounds Computation of the Achievable Performance,” Proc. of the 16th European Control Conference, Limassol, Cyprus, pp. 2867-2872 (2018).
Y. Ebihara, P. Colaneri, and J. C. Geromel, “H2 State-Feedback Synthesis for Discrete-Time Systems under Positivity Constraint,” Proc. of the SICE International Symposium on Control Systems 2018, Tokyo, Japan, pp. 211-218 (2018).

2017

Y. Ebihara, “Dominant Pole Analysis of Neutral-Type Time Delay Positive Systems,” Proc. of the 55th IEEE Conference on Decision and Control, Melbourne, Australia, pp. 6555-6560 (2017).
Y. Ebihara, “H2 Analysis of LTI Systems via Conversion to Positive Systems,” Proc. of SICE Annual Conference, pp. 1216-1219 (2017).
Y. Ebihara, “Stability Analysis of Neutral Type Time-Delay Positive Systems with Commensurate Delays,” Proc. of the 20th IFAC World Congress, Toulouse, France, pp. 3148-3153 (2017).
S. Tanabe, H. Ichihara, Y. Ebihara, and D. Peaucelle, “Persistence Analysis of Discrete-Time Interconnected Positive Systems and Its Application to Mobile Robot Formation,” Proc. of the 20th IFAC World Congress, Toulouse, France, pp. 3160-3165 (2017).
H. Ichihara, S. Kajihara, Y. Ebihara, and D. Peaucelle, “Formation Control of Mobile Robots Based on Interconnected Positive Systems,” Proc. of the 20th IFAC World Congress, Toulouse, France, pp. 8771-8776 (2017).
Y Ebihara, “Reduction of SDPs in H_∞ Control of SISO Systems and Performance Limitations Analysis,” The IFAC Workshop ``Robert Tempo'' on Uncertain Dynamical Systems (WUDS), Banyuls-sur-mer, France (2017).

2016

H. Waki, Y. Ebihara, and N. Sebe, “Reduction of SDPs in H_∞ Control of SISO Systems and Performance Limitations Analysis,” Proc. of the 55th IEEE Conference on Decision and Control, Las Vegas, Nevada, USA, pp. 646-651 (2016).
Y. Ebihara, H. Waki, and N. Sebe, “Dual LMI Approach to H_∞ Performance Limitations Analysis of Sensitivity and Complementary Sensitivity Functions,” Proc. of the IEEE Multi-Conference on Systems and Control, Buenos Aires, Algentina, pp. 1440-1445 (2016).
Y. Ebihara, N. Nishio, and T. Hagiwara, “Stability Analysis of Neutral Type Time-Delay Positive Systems,” Proc. of the 5th International Symposium on Positive Systems (POSTA 2016), Rome, Italy, 2 pages (2016).
Y. Ebihara, S. Shintani, and T. Hagiwara, “Dual LMI Approach to H_∞ Performance Limitations Analysis of SISO Systems with Multiple Unstable Zeros and Poles,” Proc. of the 2016 American Control Conference, Boston, Massachusetts, USA, pp. 5638-5643 (2016).

2015

Y. Ebihara, H. Waki, and N. Sebe, “H_∞ Performance Limitations Analysis for SISO Systems: A Dual LMI Approach,” Proc. of the 54rd IEEE Conference on Decision and Control, Osaka, Japan, pp. 6629-6634 (2015).
Y. Ebihara, “Analysis and Synthesis of Delay Interconnected Positive Systems with External Inputs and Formation Control of Moving Objects,” Proc. of the 54rd IEEE Conference on Decision and Control, Osaka, Japan, pp. 6367-6372 (2015).
Y. Ebihara, T. Matsumura, T. Hagiwara, D. Peaucelle, and D. Arzelier, “Analysis and Synthesis of Interconnected Positive Systems with External Inputs,” Proc. of the 8th IFAC Robust Control Design (ROCOND 2015), Bratislava, Slovak Republic, pp. 160-165 (2015).
Y. Ebihara, “Convergence Rate Analysis of Delay Interconnected Positive Systems under Formation Control,” Proc. of the 10th Asian Control Conference, Kota Kinabalu, Malaysia, 6 pages (2015).
Y. Ebihara, K. Matsuo and T. Hagiwara, “LMI-based H_∞ Performance Limitations Analysis for SISO Systems,” Proc. of the SICE International Symposium on Control Systems 2015, Tokyo, Japan, 513-1, 8 pages (2015).

2014

Y. Ebihara, D. Peaucelle and D. Arzelier, “Persistence Analysis of Interconnected Positive Systems with Communication Delays,” Proc. of the 53rd IEEE Conference on Decision and Control, Los Angeles, California, USA, pp. 1954-1959 (2014).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ Efficient Convergence Rate Analysis of Multi-Agent Positive Systems Under Formation Control,” Proc. of the 19th IFAC World Congress, Cape Town, South Africa, pp. 3790-3796 (2014).
D. Peaucelle and Y. Ebihara, “ LMI Results for Robust Control Design of Observer-based Controllers, The Discrete-Time Case with Polytopic Uncertainties,” Proc. of the 19th IFAC World Congress, Cape Town, South Africa, pp. 6527-6532 (2014).
D. Peaucelle and Y. Ebihara, “ Robust Stability Analysis of Discrete-Time Systems with Parametric and Switching Uncertainties,” Proc. of the 19th IFAC World Congress, Cape Town, South Africa, pp. 724-729 (2014).
Y. Ebihara, D. Peaucelle, D. Arzelier and F. Gouaisbaut, “ Dominant Pole of Positive Systems with Time-Delays,” Proc. of the 13th European Control Conference, Strasbourg, France, pp. 79-84 (2014).

2013

Y. Ebihara, D. Peaucelle and D. Arzelier, “ Analysis and Synthesis of Interconnected Positive Systems with Switching,” Proc. of the 52nd IEEE Conference on Decision and Control, Florence, Italy, pp. 6372-6378 (2013).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ Stability and Persistence Analysis of Large Scale Interconnected Positive Systems,” European Control Conference, Zurich, Switzerland, pp. 3366-3371 (2013).

2012

Y. Ebihara, D. Peaucelle and D. Arzelier, “ Decentralized Control of Interconnected Positive Systems Using L1-induced Norm Characterization,” Proc. of the 51th IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 6653-6658 (2012).
J.F. Trégouët, D. Arzelier, D. Peaucelle, Y. Ebihara, C. Pittet and A. Falcoz “ Robust H_∞ Performance of Periodic Systems with Memory: New Formulations, Analysis and Design Results,” Proc. of the 51th IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 7781-7786 (2012).
Y. Ebihara, “ Dual LMI Approach to Linear Positive System Analysis,” Proc. of the 12th International Conference on Control, Automation and Systems, Jeju, Korea, pp. 887-891 (2012).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ Optimal L1-Controller Synthesis for Positive Systems and Its Robustness Properties,” Proc. of the 2012 American Control Conference, Montreal, Canada, pp. 5992-5997 (2012).
J.F. Trégouët, Y. Ebihara, D. Arzelier, D. Peaucelle, C. Pittet and A. Falcoz, “ Robust Stability of Periodic Systems with Memory: New Formulations, Analysis and Design Results,” Proc. of the 7th IFAC Symposium on Robust Control Design, Aalborg, Denmark (2012).

2011

Y. Ebihara, D. Peaucelle and D. Arzelier, “ L1 Gain Analysis of Linear Positive Systems and Its Application,” Proc. the 50th IEEE Conference on Decision and Control, Orlando, Florida, USA, pp. 4029-4034 (2011).
J.F. Trégouët, D. Arzelier, D. Peaucelle, Y. Ebihara, C. Pittet and A. Falcoz, “ Periodic FIR Controller Synthesis for Discrete-Time Uncertain Linear Systems,” Proc. the 50th IEEE Conference on Decision and Control, Orlando, Florida, USA, 1367-1372 (2011).
J.F. Trégouët, D. Arzelier, D. Peaucelle, Y. Ebihara, C. Pittet and A. Falcoz, “ Periodic H2 Synthesis for Spacecraft Attitude Control with Magnetorquers and Reaction Wheels,” Proc. the 50th IEEE Conference on Decision and Control, Orlando, Florida, USA, 6876-6881 (2011).
Y. Ebihara, D. Peaucelle and D. Arzelier, “ Some Conditions for Convexifying Static H_∞ Control Problems,” Proc. the 18th IFAC World Congress, Milano, Italy, pp. 9248-9253 (2011).

2010

Y. Ebihara, Y. Matsuda and T. Hagiwara, “ Asymptotic Exactness of Dual LMI Approach for Robust Performance Analysis of Uncertain LTI Systems,” Proc. the 49th IEEE Conference on Decision and Control, Atlanta, Georgia, USA, pp. 1472-1477 (2010).
Y. Ebihara, “Robust H2 Control of Uncertain Discrete-Time Linear Systems with Periodically Time-Varying Memory State-Feedback,” Proc. of the IEEE Multi-conference on Systems and Control, Yokohama, Japan, pp. 357-362 (2010).
Y. Ebihara, J. Yamaguchi and T. Hagiwara, “Periodically Time-Varying Controller Synthesis for Multiobjective H₂/H_∞ Control of Discrete-Time Systems and Analysis of Achievable Performance,” Proc. of the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS2010), Budapest, Hungary, pp. 2321-2328 (2010).
Y. Ebihara and N. Sebe, “Decentralized Control for Discrete-Time LTI Systems: Lower Bound Analysis of H_∞ Performance,” Proc. of the 2010 American Control Conference, Baltimore, pp. 5602-5607 (2010).

2009

Y. Ebihara, Y. Kuboyama, T. Hagiwara, D. Peaucelle and Denis Arzelier, “Further Results on Periodically Time-Varying Dynamical State-Feedback Controller Synthesis for Discrete-Time Linear Systems,” Proc. the 48th IEEE Conference on Decision and Control, Shanghai, China, pp. 702-707 (2009).
Y. Matsuda, Y. Ebihara and T. Hagiwara, “Constructing a Sequence of Relaxation Problems for Robustness Analysis of Uncertain LTI Systems via Dual LMIs,” Proc. the 48th IEEE Conference on Decision and Control, Shanghai, China, pp. 2174-2179 (2009).
Y. Ebihara, “An Elementary Proof for the Exactness of (D,G) Scaling,” Proc. the 2009 American Control Conference, St. Louis, pp. 2433-2438 (2009).

2008

Y. Ebihara, D. Peaucelle and D. Arzelier, “Periodically Time-Varying Dynamical Controller Synthesis for Polytopic-Type Uncertain Discrete-Time Linear Systems,” Proc. of the 47th IEEE Conference on Decision and Control, Cancun, Mexico, pp. 5438-5443 (2008).
Y. Onishi, Y. Ebihara and T. Hagiwara, “Extracting Worst Case Perturbations for Robustness Analysis of Parameter-Dependent LTI Systems,” Proc. of the 17th IFAC World Congress, Seoul, Korea, pp. 11379-11384 (2008).
Y. Ebihara, D. Peaucelle and D. Arzelier, “LMI-based Periodically Time-Varying Dynamical Controller Synthesis for Discrete-Time Uncertain Linear Systems,” Proc. of the 17th IFAC World Congress, Seoul, Korea, pp. 1354-1359 (2008).
D. Peaucelle, Y. Ebihara and D. Arzelier, “Robust H₂ Performance of Discrete-Time Periodic Systems: LMIs with Reduced Dimensions,” Proc. of the 17th IFAC World Congress, Seoul, Korea, pp. 1348-1353 (2008).

2007

Y. Ebihara, Y. Onishi and T. Hagiwara, “Robust Performance Analysis of Uncertain LTI Systems: Dual LMI Approach and Verifications for Exactness,” Proc. of the 46th IEEE Conference on Decision and Control, New Orleans, pp. 6304-6309 (2007).
Y. Ebihara and T. Hagiwara, “Further Results on Computing the Distance to Uncontrollability via LMIs,” Proc. of the 2007 American Control Conference, New York, pp. 6157-6162 (2007).

2006

Y. Ebihara and T. Hagiwara, “Computing the Distance to Uncontrollability via LMIs: Lower and Upper Bounds Computation and Exactness Verification,” Proc. of the 45th IEEE Conference on Decision and Control, San Diego, pp. 5772-5777 (2006).
D. Peaucelle, Y. Ebihara, D. Arzelier and T. Hagiwara, “General Polynomial Parameter-Dependent Lyapunov Functions for Polytopic Uncertain Systems,” Proc. of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), pp. 2238-2242 (2006).
Y. Ebihara, Y. Hirai and T. Hagiwara, “On H_∞ Model Reduction for Discrete-Time LTI Systems Using LMIs,” Proc. of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), pp. 262-267 (2006).
Y. Ebihara and T. Hagiwara, “On the Degree of Polynomial Parameter-Dependent Lyapunov Functions for Robust Stability of Single Parameter-Dependent LTI Systems: A Counter-example to Barmish's Conjecture,” Proc. of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), pp. 2763-2767 (2006).
Y. Ebihara, D. Peaucelle, D. Arzelier and T. Hagiwara, “Robust H₂ Performance Analysis of Uncertain LTI Systems via Polynomially Parameter-Dependent Lyapunov Functions,” IFAC Robust Control Design (ROCOND 2006) (2006).

2005

Y. Ebihara, D. Peaucelle, D. Arzelier and T. Hagiwara, “Robust Performance Analysis of Linear Time-Invariant Uncertain Systems by Taking Higher-Order Time-Derivatives of the State,” Proc. of the 44th IEEE Conference on Decision and Control and European Control Conference ECC 2005, Seville, Spain, pp. 5030-5035 (2005).
Y. Ebihara, K. Maeda and T. Hagiwara, “Robust D-stability Analysis of Uncertain Polynomial Matrices via Polynomial-type Multipliers,” Proc. of the 16th IFAC World Congress, Prague (2005).

2004

Y. Ebihara, K. Maeda and T. Hagiwara, “Generalized S-procedure for Inequality Conditions on One-Vector-Lossless Sets and Linear System Analysis,” Proc. of the 43rd IEEE Conference on Decision and Control, Bahamas, pp. 1272-1277 (2004).
Y. Ebihara, Y. Ito and T. Hagiwara, “Exact Stability Analysis of 2-D Systems Using LMIs,” Proc. of the 43rd IEEE Conference on Decision and Control, Bahamas, pp. 1270-1271 (2004).
Y. Ebihara and T. Hagiwara, “On Model Reduction Using LMI's,” Proc. of the 2004 American Control Conference, Boston, pp. 774-779 (2004).

2003

Y. Ebihara and T. Hagiwara, “Structured Controller Synthesis Using LMI and Alternating Projection Method,” Proc. of the 42nd IEEE Conference on Decision and Control, Hawaii, pp. 5632-5637 (2003).
Y. Ebihara and T. Hagiwara, “A Dilated LMI Approach to Robust Performance Analysis of Linear Time-Invariant Uncertain Systems,” Proc. of the 2003 American Control Conference, pp. 839-844 (2003).

2002

Y. Ebihara and T. Hagiwara, “Robust Controller Synthesis with Parameter-Dependent Lyapunov Variables: A Dilated LMI Approach,” Proc. of the 41st IEEE Conference on Decision and Control, Las Vegas, pp. 4179-4184 (2002).
Y. Ebihara and T. Hagiwara, “New Dilated LMI Characterizations for Continuous-Time Control Design and Robust Multiobjective Control,” Proc. of the 2002 American Control Conference, Anchorage, pp. 47-52 (2002).

Expository Articles

2020

蛯原義雄，脇隼人，瀬部昇, “半正定値計画によるH∞性能限界解析,” 計測と制御，Vol. 59, No. 3, pp. 218--225 (2020).

2015

蛯原義雄, “結合非負システムの解析と設計,” システム/制御/情報, Vol. 59, No. 1, pp. 21-26 (2015).

2011

川田昌克，蛯原義雄, “LMI に基づく制御系解析・設計,” システム/制御/情報, Vol. 55, No. 5, pp. 165-173 (2011). サポートページへ

2006

伊藤義道, 蛯原義雄, “ 2-D離散システムの安定性解析,” システム/制御/情報, Vol. 50, No. 11, pp. 412-417 (2006).

2004

蛯原義雄, 萩原朋道, “伸張型線形行列不等式を用いた制御系の解析と設計,” システム/制御/情報, Vol. 48, No. 9, pp. 355-360 (2004). 本解説の2節の記述に関して

Seminars and Talks

2023年 Seminar at LAAS-CNRS, Toulouse, France, "Lp+ Induced Norm Analysis of Linear Systems," Toulouse, France.
2023年 Invited Talk at Workshop on Uncertain Dynamical Systems (WUDS2023), "Lp+ Induced Norm Analysis of Linear Systems," Kyoto, Japan.
2020年 2019年度計測自動制御学会制御部門研究賞（木村賞）受賞記念講演， "Analysis and Synthesis of Positive Systems Using Convex Optimization," 第60回自動制御連合講演会
2019年 Seminar at LAAS-CNRS, Toulouse, France, "L1-induced Norm Analysis of Positive Systems and Its Application," Toulouse, France.
2019年 Invited talk at Kolloquium Technische Kybernetik, "L1-induced Norm Analysis of Positive Systems and Its Application," The University of Sttutgart, Sttutgart, Germany.
2018年 Invited Speaker at Tutorial Session entitled "Positive Systems and Large Scale Control" organized by M. Elena Valcher at CDC2018, Miami, FL, USA.
2018年 Plenary Lecture at The 6th International Conference on Positive Systems (POSTA2018), Hangzhou, China
2017年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座(実践応用編) 「制御工学の基礎」
2017年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座(実践応用編) 「パワーエレクトロニクス制御」
2017年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座(基礎編) 「制御工学の基礎」
2017年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座(基礎編) 「パワーエレクトロニクス制御の基礎」
2017年 IFAC Workshop on Uncertain Dynamical Systems, Banyuls-sur-mer, France, "Reduction of SDPs in H_∞ Control of SISO Systems and Performance Limitations Analysis"
2016年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座「現代制御工学」
2016年公益財団法人京都高度技術研究所社会人パワーエレクトロニクス講座「古典制御工学」
2016年 GT MOSAR and GT SAR Seminar at LAAS-CNRS, Toulouse, France, "Stability Analysis of Neutral Type Time-Delay Positive Systems"
2015年電気三学会関西支部専門講習会「非負システムの解析・設計とその応用」
2014年日本テクノセンターセミナー「LMIによるシステム制御の基礎と実問題への応用」
2014年 Seminar at LAAS-CNRS, Toulouse, France, "Analysis and Synthesis of Interconnected Positive Systems"
2014年第1回計測自動制御学会制御部門マルチシンポジウム 2013年度計測自動制御学会制御部門パイオニア賞受賞記念講演「非負システムの解析と設計」
2011年 Seminar at LAAS-CNRS, Toulouse, France, "LMI Approach to Positive System Analysis"
2010年第2回日本数式処理学会理論分科会研究会講演「半正定値計画に基づく制御系のロバスト性解析・ロバスト設計」
2008年日本テクノセンターセミナー「MATLABによるLMIを用いたロバスト制御系設計入門」
2007年 SICEセミナー実践的な制御系設計 -(ポスト)ロバスト制御の最前線- 講演「ロバスト制御系設計の基礎」
2006年 MATLAB EXPO 2006 講演「MATLABを用いたLMIに基づくロバスト制御系設計入門」
2006年日本テクノセンターセミナー「MATLABによるLMIを用いたロバスト制御系設計入門」
2006年第50回システム制御情報学会研究発表講演会チュートリアル講演「パラメータ依存LMIに基づく線形制御系のロバスト性能解析と設計」
2004年日本テクノセンターセミナー「MATLABによるLMIを用いたロバスト制御系設計入門」

Professional Activities

2023年 IPC Co-Chair of IFAC World Congress 2023.
2022年 General Chair of IFAC ROCOND 2022.
2021年 Program Committee Member of Indian Control Conference 2021.
2021年 Program Committee Member of IEEE CDC 2021.
2020年計測自動制御学界国際担当理事．
2020年 Program Committee Member of IEEE CDC 2020.
2020年 Publication Co-Chair of European Control Conference 2021.
2019年 Chair of IEEE CSS Technical Committee on Robust and Complex Systems (TC-RoCS).
2018年 Organizer of Workshop "Control and Optimization" on November 7, 2018 at Kyoto (This workshop is supported by TOYOTA-RIKEN Specially Promoted Project)
2018年 The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTNS2018) Organized Session Organizer. The session title is “Analysis and Synthesis of Positive Systems.”
2018年 IET Control Theory & Applications, Special Issue on "Theory of Positive Systems and Applications." Guest Editor.
2018年計測自動制御学会論文集特集号「第5回制御部門マルチシンポジウム論文特集号」ゲストエディタ.
2018年 SICE Annual Conference 2018 Organized Session Chair.
2018年 IFAC Symposium on Robust Control Design 2018 (ROCOND2018) 国際プログラム委員(IPC).
2018年 POSTA 2018 Program Committee Member.
2018年 Organizer of Workshop "Recent Topics in Control" on March 7, 2018 at Kyoto (This workshop is supported by TOYOTA-RIKEN Specially Promoted Project)
2018年 SICE制御部門MSCS2018 プログラム委員長.
2017年から2019年まで豊田理化学研究所特定課題「制御工学研究者と応用数学研究者の連携による革新的な制御理論構築」研究代表者.
2017年 IEEE CDC 2017 Technical Program Committee Member.
2017年より Associate Editor of IEEE Control Systems Letters.
2017年 IFAC 2017 World Congress (IFAC 2017) Associate Editor.
2016年 IEEE Multi-Conference on Systems and Control (MSC 2016) プログラム委員(PC).
2016年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2015年 Organizer of Workshop "Recent Topics in Control" on December 21, 2015 at Kyoto
2015年第58回自動制御連合講演会プログラム委員.
2015年より Associate Editor of Automatica.
2015年より Chair of IEEE CSS Technical Committee on Systems with Uncertainty (TC-SU).
2015年 The 10th Asian Control Conference Invited Session Organizer. The session title is “Recent Topics in Distributed Control and Optimization.”
2015年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2015年 IFAC Symposium on Robust Control Design 2015 国際プログラム委員(IPC).
2015年 European Control Conference 2015 国際プログラム委員(IPC).
2014年より Associate Editor of IEEE Transactions on Control Systems Technology.
2014年より Editorial Board Member of IET Control Theory and Applications.
2014年より計測自動制御学会論文集編集委員．
2014年より計測自動制御学会関西支部運営委員．
2014年第57回自動制御連合講演会プログラム委員.
2014年 Secretary of IEEE Control Systems Society Kansai Chapter.
2014年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2014年より2015年まで SICE制御部門「非負システムの制御理論と実システムへの応用に関する調査研究会」主査
2013年第55回自動制御連合講演会プログラム委員.
2013年よりシステム制御情報学会(ISCIE) 編集委員.
2013年 IEEE Conference on Computer-Aided Control System Design (CACSD 2013) 国際プログラム委員(IPC).
2012年より Member of IFAC Technical Committee on Robust Control.
2012年第55回自動制御連合講演会実行委員.
2011年より Treasurer of IEEE Control Systems Society Kansai Chapter.
2011年 IEEE International Symposium on Computer-Aided Control System Design (CACSD 2011) 国際プログラム委員(IPC).
2010年より Member of IEEE CSS Conference Editorial Board.
2010年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2010年 IEEE International Symposium on Computer-Aided Control System Design (CACSD 2010) 国際プログラム委員(IPC).
2009年第52回自動制御連合講演会プログラム委員．
2009年 IEEE CDC-CCC 2009 Technical Program Committee Member.
2009年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2008年 The 17th IFAC WC Invited Session Organizer. The session title is “LMIs and Algebraic Methods in Control.”
2008年 2008 IEEE International Symposium on Computer-Aided Control System Design (CACSD 2008) 国際プログラム委員(IPC).
2008年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2008年計測自動制御学会(SICE) 第8回制御部門大会実行委員．
2008年日本鉄鋼協会計測制御システム工学部会若手フォーラム座長．
2007年 IEEE CDC 2007 Invited Session Organizer. The session title is “Reducing Conservatism of LMI Conditions.”
2007年システム制御情報学会(ISCIE) 研究発表講演会実行委員．
2006年 IFAC Symposium on Robust Control Design 2006 国際プログラム委員(IPC).
2006年 IFAC Symposium on Robust Control Design 2006 Invited Session Organizer. The session title is “Robustness and LMIs.”
2005年 IEEE CDC-ECC 2005 Invited Session Organizer. The session title is “LMIs in Control.”
2005年より2012年まで Action Group on Linear Matrix Inequalities in Control Responsible Chair. The action group is a part of IEEE Control Systems Society technical committee on Computer Aided Control System Design.
2005年より2007年まで計測自動制御学会(SICE) 制御部門事業委員.
2005年より2007年までシステム制御情報学会(ISCIE) 編集委員.
2004年 IEEE 2004 CCA/ISIC/CACSD Invited Session Organizer. The session title is “LMI-based Control System Analysis and Synthesis.”

Awards

2023年度計測自動制御学会制御部門マルチシンポジウム賞（基礎分野）.
2021年 Selected as One of the Very Best Papers at European Control Conference 2021.
2019年度計測自動制御学会制御部門研究賞（木村賞）.
2018 SICE Annual Conference International Award.
2016年度システム制御情報学会学会賞論文賞.
2014年度システム制御情報学会学会賞論文賞.
2013年度計測自動制御学会制御部門パイオニア賞.
2012 International Conference on Control, Automation and Systems, Outstanding Paper Award.
2011年度システム制御情報学会産業技術賞.
2009 SICE Annual Conference International Award.
2008年度計測自動制御学会論文賞．
2004 American Control Conference Best Presentation Award.
2002 American Control Conference Student Best Paper Finalist Award.
2002年度システム制御情報学会学会賞奨励賞．
2001年度計測自動制御学会学術奨励賞．