Conference Proceedings

2021-

1. Priyanka Dey, Sathishkumar Murugesan, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado, Takayuki Ishizaki: Clock Steering Techniques for Atomic Clocks of Arbitrary Order. 2024 European Control Conference (ECC). (DOI: 10.23919/ECC64448.2024.10591293) 

2. Saw Kay Khine Oo, Takayuki Ishizaki: Data-Adaptive Retrofit Control for Power System Stabilizer: Refinement with Park Model of Synchronous Generators. 2024 European Control Conference (ECC). (DOI: 10.23919/ECC64448.2024.10591260)

3. Yuyue Yan, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado, Takayuki Ishizaki: Spectral Decomposition in Kalman Filter Algorithm for Homogeneous Atomic Clock Ensembles. Proc. of The 62nd IEEE Conference on Decision and Control (CDC 2023). (DOI: 10.1109/CDC49753.2023.10383669)

4. Yuyue Yan, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado, Takayuki Ishizaki: Equivalence of JST Algorithm and Kalman Filtering Algorithm for Time Scale Generation. Proc. of The 2023 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control, and Communication (ISPCS 2023). (DOI: 10.1109/ISPCS59528.2023.10297001)

5. Takayuki Ishizaki, Taichi Ichimura, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado: Analytical Expression of Higher-Order Allan Variance for Atomic Clock Models. The 2023 Joint Conference of the IEEE International Frequency Control Symposium & European Frequency & Time Forum (IFCS-EFTF 2023).

6. Takahiro Kawaguchi, Yuto Kakinuma, Takayuki Ishizaki, Yuichiro Yano, Yuko Hanado: State Estimation of Atomic Clocks by Kalman Filter Using Time-Delayed Observation. The 2023 Joint Conference of the IEEE International Frequency Control Symposium & European Frequency & Time Forum (IFCS-EFTF 2023).

7. Yuga Kojima, Masakazu Koike, Takayuki Ishizaki, Jun-ichi Imura, Nacim Ramdani: Monotonicity Analysis of the Optimal Operation Schedule Taking into Account Power Network Structure. Proc. of The 22nd IFAC World Congress (IFAC WC 2023), 56(2), pp.5401-5406, 2023. (DOI: 10.1016/j.ifacol.2023.10.188)

8. Taichi Ichimura, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado, Takayuki Ishizaki: Evaluation of Stability of Higher-Order Atomic Clocks by Higher-Order Allan Variance. Proc. of The 22nd IFAC World Congress (IFAC WC 2023), 56(2), pp.9843-9848, 2023. (DOI: 10.1016/j.ifacol.2023.10.405)

9. Yuyue Yan, Nicholas John Jensen, Takahiro Kawaguchi, Yuichiro Yano, Yuko Hanado, Takayuki Ishizaki: Possibility of Prediction Improvements for Atomic Clock Ensembles: Basis Selection in Undetectable Systems. Proc. of The 22nd IFAC World Congress (IFAC WC 2023), 56(2), pp.5963-5968, 2023. (DOI: 10.1016/j.ifacol.2023.10.634)

10. Taku Nishino, Takayuki Ishizaki: Estimation of Domain of Attraction Based on Equilibrium-Independent Passivity of Power Systems. Proc. of The 22nd IFAC World Congress (IFAC WC 2023), 56(2), pp. 2299-2304, 2023. (DOI: 10.1016/j.ifacol.2023.10.1197)  IFAC Congress Interactive Paper Prize Finalist 

11. Nicholas John Jensen, Takayuki Ishizaki: Furuta Pendulum Design Update for Accessible Control Demonstrations (Demonstrator paper). Proc. of The 22nd IFAC World Congress (IFAC WC 2023), 56(2), pp.7573-7578, 2023. (DOI: 10.1016/j.ifacol.2023.10.665)

12. Takayuki Ishizaki, Masahiro Ito, Takahiro Kawaguchi, Aranya Chakrabortty: Data-Adaptive Retrofit Control for Power System Stabilizer Design. Proc. of The 61st IEEE Conference on Decision and Control (CDC 2022), pp.2210-2215, 2022. (DOI: 10.1109/CDC51059.2022.9992890)

13. Masahiro Ito, Takahiro Kawaguchi, Aranya Chakrabortty, Takayuki Ishizaki: Sequential Distributed Development of Multiple Retrofit Controllers: Independence of Identification, Design, and Operation, Proc. of The European Control Conference 2022 (ECC 2022), pp.675-680, 2022. (DOI: 10.23919/ECC55457)

14. Takayuki Ishizaki, Aranya Chakrabortty: Necessity of Lossless Transmission and Convexity of Potential Energy Function for Equilibrium Independent Passivity of Power Systems. Proc. of The 60th IEEE Conference on Decision and Control (CDC 2021), pp.4242-4247, 2021. (DOI: 10.1109/CDC45484.2021.9683357)

15. Masakazu Koike, Takayuki Ishizaki, Nacim Ramdani, Jun-ichi Imura: Monotonicity Analysis of Day-Ahead Power Scheduling of Two Storage Batteries Based on PV Interval Prediction. Proc. of The 60th IEEE Conference on Decision and Control (CDC 2021), pp.3513-3518, 2021. (DOI: 10.1109/CDC45484.2021.9683395)

16. Youngchae Cho, Takayuki Ishizaki, Jun-ichi Imura: Two-stage Robust Optimization for Day-ahead Unit Commitment with Uncertain Real-time Utility in Demand Response. Proc. of The European Control Conference 2021 (ECC 2021), pp.2104-2109, 2021. (DOI: 10.23919/ECC54610.2021.9654866)

17. Takayuki Ishizaki, Kengo Urata: Geometric Controller Specification Via Nyquist Surface Segmentation.  Proc. of The 2021 American Control Conference (ACC 2021), pp.2875-2880, 2021. (DOI: 10.23919/ACC50511.2021.9482781)

2016-2020

18. Masakazu Koike, Takayuki Ishizaki, Jun-ichi Imura: Monotonicity Analysis for Optimal Scheduling of Storage Batteries and Power Generators  -Considering Ramp Limit of Thermal Power Plant -. 59th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE AC), pp.51-56, 2020. SICE Annual Conference International Award

19. Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura, Henrik Sandberg: Disconnection-Aware Attack Detection in Networked Control Systems. Proc. of The 21st IFAC World Congress (IFAC WC 2020), 53(2), pp.3515-3520, 2020. (DOI: 10.1016/j.ifacol.2020.12.1710)

20. Youngchae Cho, Takayuki Ishizaki, Nacim Ramdani, Jun-ichi Imura: Economic Dispatch Cost Reduction in Box-based Robust Unit Commitment. Proc. of The 21st IFAC World Congress (IFAC WC 2020), 53(2), pp.13248-13253, 2020. (DOI: 10.1016/j.ifacol.2020.12.153)

21. Takahiro Kawaguchi, Aranya Chakrabortty, Takayuki Ishizaki, Jun-ichi Imura: Block-Decentralized Damping Control of Power Systems using Retrofit Control Theory. Proc. of The European Control Conference 2020 (ECC 2020), 1540-1545, 2020.

22. Kengo Urata, Takayuki Ishizaki, Jun-ichi Imura: Disturbance Sensitivity Analysis of Evolving Network Systems from Viewpoint of Network Structure. Proc. of The 58th IEEE Conference on Decision and Control (CDC 2019), pp.752-757, 2019. (DOI:  10.1109/CDC40024.2019.9028958)

23. Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura, Henrik Sandberg, Karl H. Johansson: Hierarchical Model Decomposition for Distributed Design of Glocal Controllers. Proc. of The 58th IEEE Conference on Decision and Control (CDC 2019), pp.3540-3545. (DOI: 10.1109/CDC40024.2019.9029589)

24. Takahiro Kawaguchi, Takayuki Ishizaki, Jun-ichi Imura: Retrofit Control of Power Systems: Cooperation of Decentralized Controller and Global Controller. Proc. of SICE Annual Conference 2019 (SICE 2019), pp.1061-1066, 2019. (DOI: 10.23919/SICE.2019.8859823)

25. Ilham Naharudinsyah, Takayuki Ishizaki, Takahiro Kawaguchi, Jun-ichi Imura: Model Predictive Control Based Data-Driven Retrofit Controller for Network Systems. Proc. of The 3rd IEEE Conference on Control Technology and Applications (CCTA 2019), pp.215-220, 2019. (DOI: 10.1109/CCTA.2019.8920687)

26. Bo Tu, Takayuki Ishizaki, Jun-ichi Imura: A Stochastic-Programming-Based Coupled Constraint Equilibrium Problem under PV Uncertainty in Day-Ahead Energy Market. Proc. of The 3rd IEEE Conference on Control Technology and Applications (CCTA 2019), pp.649-654, 2019. (DOI: 10.1109/CCTA.2019.8920642)

27. Youngchae Cho, Takayuki Ishizaki, Jun-ichi Imura: Hybrid Method of Two-stage Stochastic and Robust Unit Commitment. Proc. of The European Control Conference 2019 (ECC 2019), pp.922-927, 2019. (DOI: 10.23919/ECC.2019.8796153)

28. Fumiya Watanabe, Takahiro Kawaguchi, Takayuki Ishizaki, Jun-ichi Imura, Takashi Nakajima, Hideaki Takenaka: Day-ahead Strategic Marketing of Energy Prosumption: A Machine Learning Approach Based on Neural Networks. Proc. of The European Control Conference 2019 (ECC 2019), pp.3910-3915, 2019. (DOI: 10.23919/ECC.2019.8796040)

29. Nicolas Martin, Paolo Frasca, Takayuki Ishizaki, Jun-ichi Imura, Carlos Canudas-de-Wit: The Price of Connectedness in Graph Partitioning Problems. Proc. of The European Control Conference 2019 (ECC 2019), pp.2313-2318, 2019. (DOI: 10.23919/ECC.2019.8795723)

30. Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura: Parameterization of All State-Feedback Retrofit Controllers. Proc. of The 57th IEEE Conference on Decision and Control (CDC 2018), pp.5880-5885, 2018. (DOI: 10.1109/CDC.2018.8619811)

31. Fumiya Watanabe, Takahiro Kawaguchi, Takayuki Ishizaki, Jun-ichi Imura: Machine Learning Approach to Day-ahead Scheduling for Multiperiod Energy Markets under Renewable Energy Generation Uncertainty. Proc. of The 57th IEEE Conference on Decision and Control (CDC 2018), pp.4020-4025, 2018. (DOI: 10.1109/CDC.2018.8619775)

32. Hampei Sasahara, Takayuki Ishizaki, Ryotaro Onuki, Jun-ichi Imura: Retrofit Control of Network Systems under Measurement Noise. Proc. of The 5th IFAC Conference on Analysis and Control of Chaotic Systems (IFAC CHAOS 2018), IFAC-PapersOnLine, 51(33), pp.80-85, 2018. (DOI: 10.1016/j.ifacol.2018.12.097)

33. Masakazu Koike, Takayuki Ishizaki, Jun-ichi Imura: Optimal Distributed Energy Resource Operation in Multiperiod Energy Markets. Proc. of SICE Annual Conference 2018 (SICE 2018), pp.731-732, 2018.

34. Bo Tu, Takayuki Ishizaki, Jun-ichi Imura: Robust Profit Maximization in Multiperiod Energy Markets with Interval Prediction of Photovoltaics. Proc. of The 10th IFAC Symposium on Control of Power and Energy Systems (CPES 2018), IFAC-PapersOnLine, 51(28), pp.628-633, 2018. (DOI: 10.1016/j.ifacol.2018.11.780)

35. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Retrofitting Based Power System Stabilizer Design of PV-Integrated Power Systems. Proc. of The 2nd IEEE Conference on Control Technology and Applications (CCTA 2018), pp.40-45, 2018. (DOI: 10.1109/CCTA.2018.8511590)

36. Kengo Urata, Takayuki Ishizaki, Jun-ichi Imura: Quantitative Analysis of Controller Design Localizability. Proc. of The 23rd International Symposium on Mathematical Theory of Networks and Systems (MTNS 2018), pp.128-133 2018.

37. Masaki Inoue, Takayuki Ishizaki, Mizuki Suzumura: Parametrization of All Retrofit Controllers toward Open Control-Systems. Proc. of The European Control Conference 2018 (ECC 2018), pp.715-720, 2018. (DOI: 10.23919/ECC.2018.8550277)

38. Petar Mlinaric, Takayuki Ishizaki, Aranya Chakrabortty, Sara Grundel, Peter Benner, Jun-ichi Imura: Synchronization and Aggregation of Nonlinear Power Systems with Consideration of Bus Network Structures. Proc. of The European Control Conference 2018 (ECC 2018), pp.2266-2271, 2018. (DOI: 10.23919/ECC.2018.8550528)

39. Youngchae Cho, Takayuki Ishizaki, Masakazu Koike, Nacim Ramdani, Jun-ichi Imura: Min-max-min Robust Optimization for Adaptivity-Constrained Economic Dispatch. Proc. of The European Control Conference 2018 (ECC 2018), pp.1-6, 2018. (DOI: 10.23919/ECC.2018.8550132)

40. Hampei Sasahara, Takayuki Ishizaki, Masaki Inoue, Tomonori Sadamoto, and Jun-ichi Imura: A Characterization of All Retrofit Controllers. Proc. of The 2018 American Control Conference (ACC 2018), pp.6194-6199, 2018. (DOI: 10.23919/ACC.2018.8430982)

41. Takayuki Ishizaki, Masakazu Koike, Nobuyuki Yamaguchi, and Jun-ichi Imura: Bidding System Design for Multiperiod Electricity Markets: Pricing of Stored Energy Shiftability. Proc. of The 56th IEEE Conference on Decision and Control (CDC 2017), pp. 807-812, 2017. (DOI: 10.1109/CDC.2017.8263759) Preprint

42. Hampei Sasahara1, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura, Henrik Sandberg, Karl Henrik Johansson: Glocal Control for Network Systems via Hierarchical State-Space Expansion. Proc. of The 56th IEEE Conference on Decision and Control (CDC 2017), pp.6346-6351, 2017. (DOI: 10.1109/CDC.2017.8264616)

43. Takayuki Ishizaki, Masakazu Koike, Nobuyuki Yamaguchi, Asami Ueda, Tu Bo, Jun-ichi Imura: A Distributed Scheme for Power Profile Market Clearing under High Battery Penetration. Proc. of The 20th IFAC World Congress (IFAC WC 2017), IFAC-PapersOnLine 50(1), pp.165-170, 2017. (DOI: 10.1016/j.ifacol.2017.08.028) Preprint

44. Masakazu Koike, Takayuki Ishizaki, Nacim Ramdani, Jun-ichi Imura: Day-ahead Scheduling of Multiple Thermal Power Plants with Output Constraints Based on PV Interval Prediction. Proc. of The 20th IFAC World Congress (IFAC WC 2017), IFAC-PapersOnLine 50(1), pp.245-250, 2017. (DOI: 10.1016/j.ifacol.2017.08.041)

45. Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura: Distributed Design of Local Controllers for Transient Stabilization in Power Grids. Proc. of The 20th IFAC World Congress (IFAC WC 2017), IFAC-PapersOnLine 50(1), pp.5430-5435, 2017. (DOI: 10.1016/j.ifacol.2017.08.1078)

46. Tomonori Sadamoto, Aranya Chakrabortty, Takayuki Ishizaki, Jun-ichi Imura: A Retrofitting-Based Supplementary Controller Design for Enhancing Damping Performance of Wind Power Systems. Proc. of The 2017 American Control Conference (ACC 2017), pp.2755-2760, 2017. (DOI: 10.23919/ACC.2017.7963368)

47. Takayuki Ishizaki, Risong Ku, Jun-ichi Imura: Eigenstructure Analysis from Symmetrical Graph Motives with Application to Aggregated Controller Design. Proc. of The 55th IEEE Conference on Decision and Control (CDC 2016), pp.5744-5749, 2016. (DOI: 10.1109/CDC.2016.7799152) 

48. Takayuki Ishizaki, Asami Ueda, Jun-ichi Imura: Convex Gradient Controller Design for Incrementally Passive Systems with Quadratic Storage Functions. Proc. of The 55th IEEE Conference on Decision and Control (CDC 2016), pp.1721-1726, 2016. (DOI: 10.1109/CDC.2016.7798513) 

49. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura, Henrik Sandberg, Karl Henrik Johansson: Retrofitting State Feedback Control of Networked Nonlinear Systems Based on Hierarchical Expansion. Proc. of The 55th IEEE Conference on Decision and Control (CDC 2016), pp.3432-3437, 2016. (DOI: 10.1109/CDC.2016.7798783)

50. Takumi Ido, Takayuki Ishizaki, Jun-ichi Imura, Yuki Katsuyama, Masahiko Murai, Katsuya Yokokawa: Distributed Temperature Regulator Design for an Air Conditioning System. Proc. of The 6th IFAC Workshop on Distributed Estimation and Control in Networked Systems (NecSys 2016), IFAC-PapersOnLine 49(22), pp.73-78, 2016. (DOI: 10.1016/j.ifacol.2016.10.375)

51. Takayuki Ishizaki, Risong Ku, Jun-ichi Imura: Clustered Model Reduction of Networked Dissipative Systems. Proc. of The 2016 American Control Conference (ACC 2016), pp.3662-3667, 2016. (DOI: 10.1109/ACC.2016.7525482)

52. Tomonori Sadamoto, Henrik Sandberg, Bart Besselink, Takayuki Ishizaki, Jun-ichi Imura, Karl Henrik Johansson: Weak Resilience of Networked Control Systems. Proc. of The European Control Conference 2016 (ECC 2016), pp.977-982, 2016. (DOI: 10.1109/ECC.2016.7810416)

-2015

53. Takayuki Ishizaki, Masakazu Koike, Takuro Kato, Jun-ichi Imura: Multiresolved Control of Discrete-Time Linear Systems Based on Redundant Realization via Wedderburn Rank Reduction. Proc. of The 54th IEEE Conference on Decision and Control (CDC 2015), pp.4866-4871, 2015. (DOI: 10.1109/CDC.2015.7402979) 

54. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Hierarchical Distributed Design of Stabilizing Controllers for an Evolving Network System. Proc. of The 54th IEEE Conference on Decision and Control (CDC 2015), pp.3337-3342, 2015. (DOI: 10.1109/CDC.2015.7402721)

55. Shinji Hara, Jun-ichi Imura, Koji Tsumura, Takayuki Ishizaki, Tomonori Sadamoto: Glocal (Global/Local) Control Synthesis for Hierarchical Networked Systems. Proc. of The 2015 IEEE Multi-Conference on Systems and Control (MSC 2015), pp.107-112, 2015. (DOI: 10.1109/CCA.2015.7320618)

56. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura, Bart Besselink, Henrik Sandberg, Karl Henrik Johansson: Distributed Design of Locally Stabilizing Controllers for Large-Scale Networked Linear Systems. Proc. of The 2015 IEEE Multi-Conference on Systems and Control (MSC 2015), pp.1835-1840, 2015. (DOI: 10.1109/CCA.2015.7320876)

57. Masakazu Koike, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura: Time-Shifted Request Scheduling for Supply-Demand-Storage Balancing Under Prediction Uncertainty of Photovoltaics. Proc. of The 2015 IEEE Multi-Conference on Systems and Control (MSC 2015), pp.1534-1539, 2015. (DOI: 10.1109/CCA.2015.7320828)

58. Masakazu Koike, Yoshihiro Tagawa, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura: Day-Ahead Scheduling for Model Predictive Power Generation Based on Interval Prediction of Photovoltaics -Generalization to Multiple Generators-. Proc. of The SICE Annual Conference 2015 (SICE 2015), pp.870-873, 2015.

59. Kosuke Uchida, Eiki Arai, Masakazu Koike, Ikuma Muto, Tomonori Sadamoto, Takayuki Ishizaki, Yuzuru Ueda, Jun-ichi Imura: Study on Fair Battery Control in Residential Sector Considering with Grid Operator's Request. Proc. of The SICE Annual Conference 2015 (SICE 2015), pp.343-346, 2015.

60. Yoshihiro Tagawa, Masakazu Koike, Takayuki Ishizaki, Nacim Ramdani, Takashi Oozeki, Joao Gari da Silva Fonseca Junior, Taisuke Masuta, Jun-ichi Imura: Day-Ahead Scheduling for Supply-Demand-Storage Balancing -Model Predictive Generation with Interval Prediction of Photovoltaics-. Proc. of The European Control Conference 2015 (ECC 2015), pp.247-252, 2015. (DOI: 10.1109/ECC.2015.7330552)

61. Fumiya Watanabe, Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Average State Kalman Filters for Large-Scale Stochastic Networked Linear Systems. Proc. of The European Control Conference 2015 (ECC 2015), pp.2823-2828, 2015. (DOI: 10.1109/ECC.2015.7330965)

62. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Hierarchical Distributed Control for Networked Linear Systems. Proc. of The 53rd IEEE Conference on Decision and Control (CDC 2014), pp.2447-2452, 2014. (DOI: 10.1109/CDC.2013.6760762)

63. Takayuki Ishizaki, Masakazu Koike, Nacim Ramdani, Jun-ichi Imura: Monotonicity Characterization of Interval Quadratic Programming, Proc. of The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), pp.792-799, 2014. 

64. Masaki Inoue, Jun-ichi Imura, Takayuki Ishizaki: Instability of Interconnected Positive Real Systems. Proc. of The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), pp.1326-1331, 2014.

65. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Projective State Observers for Large-Scale Linear Systems. Proc. of The European Control Conference 2014 (ECC 2014), pp.2969-2974, 2014. (DOI: 10.1109/ECC.2014.6862383)   Best Student-Paper Award Finalist 

66. Masakazu Koike, Takayuki Ishizaki, Yuzuru Ueda, Taisuke Masuta, Takashi Oozeki, Nacim Ramdani, Tomonori Sadamoto, Jun-ichi Imura: Planning of Optimal Daily Power Generation Tolerating Prediction Uncertainty of Demand and Photovoltaics. Proc. of The 19th IFAC World Congress (IFAC WC 2014), IFAC Proceedings Volumes, 47(3), pp.3657-3662, 2014. (DOI: 10.3182/20140824-6-ZA-1003.00970)

67. Tomonori Sadamoto, Ikuma Muto, Takayuki Ishizaki, Masakazu Koike, Jun-ichi Imura: Power Supply Scheduling Optimization from a Viewpoint of Spatio-Temporal Aggregation. Proc. of The 19th IFAC World Congress (IFAC WC 2014), IFAC Proceedings Volumes, 47(3), pp.4571-4577, 2014. (DOI: 10.3182/20140824-6-ZA-1003.02223)

68. Takayuki Ishizaki, Masakazu Koike, Tomonori Sadamoto, Jun-ichi Imura: Hierarchical Decentralized Observers for Networked Linear Systems. Proc. of The 2014 American Control Conference (ACC 2014), pp.5718-5723, 2014. (DOI: 10.1109/ACC.2014.6858795)

69. Takayuki Ishizaki, Henrik Sandberg, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Dissipativity-Preserving Model Reduction Based on Generalized Singular Perturbation. Proc. of The 52nd IEEE Conference on Decision and Control (CDC 2013), pp.5540-5545, 2013. (DOI: 10.1109/CDC.2013.6760762)

70. Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura: Low-Dimensional Functional Observer Design for Linear Systems via Observer Reduction Approach. Proc. of The 52nd IEEE Conference on Decision and Control (CDC 2013), pp.776-781, 2013. (DOI: 10.1109/CDC.2013.6759976)

71. Valeriu Tocitu, Takayuki Ishizaki, Jun-ichi Imura: Clustering-Based H2-Reduction for Descriptor Systems. Proc. of The SICE Annual Conference 2013 (SICE 2013), pp.120-121, 2013.

72. Takayuki Ishizaki, Henrik Sandberg, Karl Henrik Johansson, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Singular Perturbation Approximation of Semistable Linear Systems. Proc. of The European Control Conference 2013 (ECC 2013), pp.4508-4513, 2013. (DOI: 10.23919/ECC.2013.6669434)

73. Takayuki Ishizaki, Henrik Sandberg, Karl Henrik Johansson, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Structured Model Reduction of Interconnected Linear Systems Based on Singular Perturbation. Proc. of The 2013 American Control Conference (ACC 2013), pp.5544-5549, 2013. (DOI: 10.1109/ACC.2013.6580702)

74. Takayuki Ishizaki, Kenji Kashima, Antoine Girard, Jun-ichi Imura, Luonan Chen, Kazuyuki Aihara: Clustering-Based H2-State Aggregation of Positive Networks and Its Application to Reduction of Chemical Master Equation. Proc. of The 51st IEEE Conference on Decision and Control (CDC 2012), pp.4175-4180, 2012. (DOI: 10.1109/CDC.2012.6426793)  Best Student-Paper Award Finalist 

75. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Model Reduction of Multi-Input Dynamical Networks Based on Clusterwise Controllability. Proc. of The 2012 American Control Conference (ACC 2012), pp.2301-2306, 2012. (DOI: 10.1109/ACC.2012.6314893)

76. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Reaction-Diffusion Clustering of Single-Input Dynamical Networks. Proc. of The 50th IEEE Conference on Decision and Control (CDC 2011), pp.7837-7842, 2011. (DOI: 10.1109/CDC.2011.6160844)

77. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura: Hierarchical Decentralized Observer Design for Linearly Coupled Network Systems. Proc. of The 50th IEEE Conference on Decision and Control (CDC 2011), pp.7831-7836, 2011. (DOI: 10.1109/CDC.2011.6161043)

78. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Network Clustering for SISO Linear Dynamical Networks Via Reaction-Diffusion Transformation. Proc. of The 18th IFAC World Congress (IFAC WC 2011), IFAC Proceedings Volumes, 44(1), pp.5639-5644, 2011. (DOI: 10.3182/20110828-6-IT-1002.00791)

79. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Kazuyuki Aihara: Model Order Reduction for MIMO Linear Dynamical Networks Via Reaction-Diffusion Transformation. Proc. of The 2011 American Control Conference (ACC 2011), pp.5019-5024, 2011. (DOI: 10.1109/ACC.2013.6580702)

80. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura: Extraction of 1-Dimensional Reaction-Diffusion Structure in SISO Linear Dynamical Networks. Proc. of The 49th IEEE Conference on Decision and Control (CDC 2010), pp.5350-5355, 2010. (DOI: 10.1109/CDC.2010.5717356)

81. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Atushi Katoh, Hiroshi Morita: PI control System Design for Electromagnetic Molding Machine Based on Linear Programing. Proc. of The 2010 IEEE Multi-Conference on Systems and Control (MSC 2010), pp.2415-2420, 2010. (DOI: 10.1109/CCA.2010.5611149)

82. Takayuki Ishizaki, Kenji Kashima, Jun-ichi Imura, Atushi Katoh, Hiroshi Morita: Distributed Parameter Modeling and Control of Electromagnetic Molding Machine. Proc. of The 2010 American Control Conference (ACC 2010), pp.3512-3517, 2010. (DOI: 10.1109/ACC.2010.5530960)