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International Journal Articles
Data-Dependent Analysis of Model Validation Errors in Linear System Identification
Tomonori Sadamoto, Osamu Kaneko
Automatica, Submitted Designing Optimal Key Lengths and Control Laws for Encrypted Control Systems based on Sample Identifying Complexity and Deciphering Time
Kaoru Teranishi, Tomonori Sadamoto, Aranya Chakrabortty, Kiminao Kogiso
IEEE Transactions on Automatic Control, Submitted, [Preprint] Fast Real-Time Reinforcement Learning for Partially-Observable Large-Scale Systems
Tomonori Sadamoto, Aranya Chakrabortty
IEEE Transactions on Artificial Intelligence, Accepted, [Preprint] Enhancing Controllability of Wind Farms Against Parametric Resonance: A Series Compensation Approach
Tomonori Sadamoto, Aranya Chakrabortty
IEEE Control Systems Letters, vol.5, no.4, pp.1447-1452, 2021 Optimal Power Flow Design for Enhancing Dynamic Performance: Potentials of Reactive Power
Masaki Inoue, Tomonori Sadamoto, Mitsuru Arahata, Aranya Chakrabortty
IEEE Transactions on Smart Grid, vol. 12, no.1, pp.599-611, 2021 [Press release], [Preprint] Fast Online Reinforcement Learning Control using State-Space Dimensionality Reduction
Tomonori Sadamoto, Aranya Chakrabortty, Jun-ichi Imura
IEEE Transactions on Control of Network Systems, vol.8, no.1, pp.342-353, 2021 [arXiv], [UEC e-Bulletin] Improving Controllability and Plug-and-Play Operation of Wind Farms Using B2B Converters
Tomonori Sadamoto, Aranya Chakrabortty
IEEE Control Systems Letters, vol. 4, no.2, pp. 379-384, 2020 [Preprint] Damping Performance Improvement for PV-Integrated Power Grids via Retrofit Control
Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto, Taisuke Masuta, Yuzuru Ueda, Hideharu Sugihara, Jun-ichi Imura
Control Engineering Practice, vol. 84, pp. 92-101, 2019 Dynamic Modeling, Stability, and Control of Power Systems with Distributed Energy Resources
Tomonori Sadamoto, Aranya Chakrabortty, Takayuki Ishizaki, Jun-ichi Imura
IEEE Control Systems Magazine, vol.39, no.2, pp. 34-65, 2019. [arXiv], [MATLAB], [Article], [Front Cover], CSM Outstanding Paper Award!! Retrofit Control: Localization of Controller Design and Implementation
Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura, Henrik Sandberg, Karl Henrik Johansson
Automatica, vol. 95, pp. 336-346, 2018 Retrofit Control of Wind-Integrated Power Systems
Tomonori Sadamoto, Aranya Chakrabortty, Takayuki Ishizaki, Jun-ichi Imura
IEEE Transactions on Power Systems, vol.33, no.3, pp.2804-2815, 2018. [Preprint] [JST Press release] Average State Observers for Large-Scale Network Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
IEEE Transactions on Control of Network Systems, vol. 4, no. 4, pp.761-769, 2017. [Preprint] Interval Quadratic Programming for Day-Ahead Dispatch of Uncertain Predicted Demand
Takayuki Ishizaki, Masakazu Koike, Nacim Ramdani, Yuzuru Ueda, Taisuke Masuta, Takashi Oozeki, Tomonori Sadamoto, Jun-ichi Imura
Automatica, vol.64, pp.163-173, 2016. Spatiotemporally Multiresolutional Optimization Toward Supply-Demand-Storage Balancing Under PV Prediction Uncertainty
Tomonori Sadamoto, Takayuki Ishizaki, Masakazu Koike, Yuzuru Ueda, Jun-ichi Imura
IEEE Transactions on Smart Grid, vol.6, no.2, pp.853-865, 2015. [Preprint] Hierarchical Distributed Stabilization of Power Networks
Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
The European Physical Journal Special Topics on Resilient Power Grids and Extreme Events, vol.223, issue 12, pp.2461-2473, 2014. [Preprint]
Domestic Journal Articles
One-Shot Reinforcement-Learning Control of Unknown Partially-Observable Linear Systems
Takumi Hirai, Tomonori Sadamoto
Transactions of the Institute of Systems, Control and Information Engineers, Accepted Data-Driven Control of Constrained Systems
Tomonori Sadamoto, Osamu Kaneko
Transactions of the Society of Instrument and Control Engineers, Accepted Grid Resilience Enhancement by Reference Shaping based on Gray-Box Model
Tomonori Sadamoto, Masaki Inoue, Osamu Kaneko
IEEJ Transactions on Electronics, Information and Systems, Accepted Data-Driven Design of Feedforward Controllers with Performance Guarantee
Tomonori Sadamoto, Fumiya Kobayashi, Osamu Kaneko
Transactions of the Institute of Systems, Control and Information Engineers, vol. 33, no. 6, pp. 201-206, 2020 Data-driven Reference Governor to Achieve Desired Response
Keisuke Kuwabara, Taichi Ikezaki, Tomonori Sadamoto, Osamu Kaneko
Transactions of the Society of Instrument and Control Engineers, vol. 56, no. 5, pp. 269-274, 2020 Design of Power Flow to Enhance Damping Performance of Power Systems
Mitsuru Arahata, Masaki Inoue, Tomonori Sadamoto, Mitsuki Suzumura
Transactions of the Society of Instrument and Control Engineers, vol. 55, no. 2, pp. 127-134, 2019
Distributed Design of Local Controllers for Transient Stabilization in Power Systems
Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto , Jun-ichi Imura
Transactions of the Society of Instrument and Control Engineers, vol. 53, no. 11, pp. 608-617, 2017 Average State Kalman Filters for Large-Scale Stochastic Networked Linear Systems
Fumiya Watanabe, Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Transactions of the Society of Instrument and Control Engineers, vol.52, no.8, pp.419-427, 2016 Average State Observers for Large-Scale Networked Linear Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Transactions of the Institute of Systems, Control and Information Engineers, vol. 28, no. 2, pp.73-83, 2015 Low-Dimensional Functional Observer Design of Large-Scale Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Transactions of the Society of Instrument and Control Engineers, vol. 50, no. 6, pp.478-486, 2014 Hierarchical Decentralized Observer Design and Application to Power Networks
Masakazu Koike, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
Transactions of the Institute of Systems, Control and Information Engineers, vol.27, no.9, pp.353-363, 2014 Best Paper Award Nonlinear Reduced Order Modeling of Plasticization Cylinders
Tomonori Sadamoto, Kenji Kashima, Hiroshi Morita, Hiroyuki Mizuno
Transactions of the Institute of Systems, Control and Information Engineers, vol. 26, no. 5, pp.174-181, 2013 Best Paper Award
Refereed Conference Papers
On a Convergence Analysis of Policy Gradient Methods for Partially Observable Systems
Takumi Hirai, Tomonori Sadamoto
SICE Annual Conference (Online), 2021, Submitted Fast Online Reinforcement Learning of Distributed Optimal Controller for Large-Scale Network Systems
Tomoki Hoshiya, Tomonori Sadamoto
Conference on Control Technology and Applications (San Diego, USA), 2021, to appear, [Preprint] A Reinforcement-Learning Approach to Distributed Optimal Control of Unknown Network Systems
Tomoki Hoshiya, Tomonori Sadamoto
SICE Annual Conference (Online), SaAT11.9, 2020 A New Data-Driven Approach of Reference Shaping
Keisuke Kuwabara, Tomonori Sadamoto, Osamu Kaneko
IFAC World Congress (Berlin, Germany), to appear Reinforcement Learning Control using Data-based Dimensionality Reduction
Tomonori Sadamoto, Aranya Chakrabortty
SICE Annual Conference (Hiroshima, Japan), ThA02.3, 2019 H2 Optimal Power Flow Design to Enhance Damping Performance
Mitsuru Arahata, Masaki Inoue, Tomonori Sadamoto
SICE Annual Conference (Hiroshima, Japan), ThB02.3, 2019 A Design Method for Plug-and-Play Modules of Photovoltaic Generators
Anqi Qu, Tomonori Sadamoto, Jun-ichi Imura
Asian Control Conference (Kitakyushu, Japan), pp.1-6, 2019 Simultaneous Design of Power Flow and Controller to Enhance Damping Performance of Power Systems
Mitsuru Arahata, Masaki Inoue, Tomonori Sadamoto, Mitsuki Suzumura
European Control Conference (Naples, Italy), pp.1884-1889, 2019 Study on the Relationship between Power Flow and Characteristic of Power Systems
Shin-ichiro Terao, Tomonori Sadamoto, Jun-ichi Imura
Grand Renewable Energy (Yokohama, Japan), O-En-1-2, 2018 Distributed Design of Power System Stabilizers for PV-Integrated Grids via Retrofit Control
Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
Grand Renewable Energy (Yokohama, Japan), O-En-1-1, 2018 Retrofitting Based Power System Stabilizer Design of PV-Integrated Power Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Conference on Control Technology and Applications (Copenhagen, Denmark), pp. 40-45, 2018 Design of a Wide-Area Damping Controller Considering Communication Time Delays
Yosuke, Shiozaki, Nobuyuki Yamaguchi, Tomonori Sadamoto
Power Systems Computation Conference (Dublin, Ireland), pp.1-7, 2018 A Characterization of All Retrofit Controllers
Hampei Sasahara, Takayuki Ishizaki, Masaki Inoue, Tomonori Sadamoto, Jun-ichi Imura
American Control Conference (Milwaukee, USA), pp. 6194 - 6199, 2018 Glocal Control for Network Systems via Hierarchical State-Space Expansion
Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura, Henrik Sandberg, Karl Henrik Johansson
Conference on Decision and Control (Melbourne, Australia), pp.6346-6351, 2017 Distributed Design of Local Controllers for Transient Stabilization in Power Grids
Hampei Sasahara, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
IFAC World Congress, pp.5430-5435, 2017 A Retrofitting-based Supplementary Controller Design for Enhancing Damping Performance of Wind Power Systems
Tomonori Sadamoto, Aranya Chakrabortty, Takayuki Ishizaki, Jun-ichi Imura
American Control Conference (Seattle, USA), pp.2755-2760, 2017. [arXiv] Retrofitting State Feedback Control of Networked Nonlinear Systems Based on Hierarchical Expansion
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura, Henrik Sandberg, Karl Henrik Johansson
IEEE Conference on Decision & Control (Las Vegas, USA), pp.3432-3437, 2016. [Preprint] Weak Resilience of Networked Control Systems
Tomonori Sadamoto, Henrik Sandberg, Bart Besselink, Takayuki Ishizaki, Jun-ichi Imura, Karl Henrik Johansson
European Control Conference (Aalborg, Denmark), pp.977-982, 2016. [arXiv] Hierarchical Distributed Design of Stabilizing Controllers for an Evolving Network System
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
IEEE Conference on Decision & Control (Osaka, Japan), pp.3337-3342, 2015. [Preprint] Glocal (Global/Local) Control Synthesis for Hierarchical Networked Systems
Shinji Hara, Jun-ichi Imura, Koji Tsumura, Takayuki Ishizaki, Tomonori Sadamoto
IEEE Multi-Conference on Systems & Control (Sydney, Australia), pp.107-112, 2015. Distributed Design of Locally Stabilizing Controllers for Large-Scale Networked Linear Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura, Bart Besselink, Henrik Sandberg, Karl Henrik Johansson
IEEE Multi-Conference on Systems & Control (Sydney, Australia), pp.1835-1840, 2015. [Preprint] Time-Shifted Request Scheduling for Supply-Demand-Storage Balancing Under Prediction Uncertainty of Photovoltaics
Masakazu Koike, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
IEEE Multi-Conference on Systems & Control (Sydney, Australia), pp.1534-1539, 2015. Day-Ahead Scheduling for Model Predictive Power Generation Based on Interval Prediction of Photovoltaics -Generalization to Multiple Generators-
Masakazu Koike, Yoshihiro Tagawa, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
SICE Annual Conference, pp.870-873, 2015. Study on Fair Battery Control in Residential Sector Considering with Grid Operator's Request
Kosuke Uchida, Eiki Arai, Masakazu Koike, Ikuma Muto, Tomonori Sadamoto, Takayuki Ishizaki, Yuzuru Ueda, Jun-ichi Imura
SICE Annual Conference, pp.343-346, 2015. Average State Kalman Filters for Large-Scale Stochastic Networked Linear Systems, in Proc. of European Control Conference
Fumiya Watanabe, Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
European Control Conference (Linz, Austria), pp.2823-2828, 2015. [Preprint] Hierarchical Distributed Control for Networked Linear Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
IEEE Conference on Decision & Control (Los Angeles, USA), pp.2447-2452, 2014. [Preprint] Projective State Observers for Large-Scale Linear Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
European Control Conference (Strasbourg, France), pp.2969-2974, 2014. [Preprint] Top 5 of Best Student Paper Award Planning of Optimal Daily Power Generation Tolerating Prediction Uncertainty of Demand and Photovoltaics
Masakazu Koike, Takayuki Ishizaki, Yuzuru Ueda, Taisuke Masuta, Takashi Oozeki, Nacim Ramdani, Tomonori Sadamoto, Jun-ichi Imura
IFAC World Congress (Cape town, South Africa), pp.3657-3662, 2014. Power Supply Scheduling Optimization from a Viewpoint of Spatio-Temporal Aggregation
Tomonori Sadamoto, Ikuma Muto, Takayuki Ishizaki, Masakazu Koike, Jun-ichi Imura
IFAC World Congress (Cape town, South Africa), pp.4571-4577, 2014. [Preprint] Hierarchical Decentralized Observers for Networked Linear Systems
Takayuki Ishizaki, Masakazu Koike, Tomonori Sadamoto, Jun-ichi Imura
American Control Conference (Portland, USA), pp.5718-5723, 2014. Nonlinear Reduced Order Modeling of Plasticization Cylinders
Tomonori Sadamoto, Kenji Kashima, Hiroshi Morita, Hiroyuki Mizuno
American Control Conference (Portland, USA), pp.129-134, 2014. [Preprint] Low-Dimensional Functional Observer Design for Linear Systems via Observer Reduction Approach
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
IEEE Conference on Decision & Control (Florence, Italy), pp.776-781, 2013. [Preprint] Robust Adaptive Optimal Control for Unknown Dynamical Systems with Discontinuous Cost Function
Tomonori Sadamoto, Masaki Yamakita
American Control Conference (Montreal, Canada), pp.1123-1128, 2012. Robust Adaptive Optimal Control for Unknown Dynamical Systems without Re-Learning
Tomonori Sadamoto, Masaki Yamakita
IFAC World Congress (Milano, Italy), pp.2656-2661, 2011. Robust Adaptive Optimal Control for Unknown Dynamical Systems
Tomonori Sadamoto, Masaki Yamakita
American Control Conference (San Francisco, USA), pp.4207-4212, 2011.
Book Chapters
"Retrofit Control of Power Systems" and "Modelling of Next-Generation Power Systems"
Tomonori Sadamoto
Ohmsha (Part of the book "Design Theory for Next-Generation Power Systems: Harmonization of Control and Prediction of Renewable Energy"), pp.267-274, 373-394, 2019. Distributed Design of Smart Grids for Large-Scalability and Evolution
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Springer Verlag, pp. 117-128, 2019. Plug-in-type control for ensuring the stable power supply of wind-integrated power systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
OHM, Ohmsha, pp.36-39, 2018 (in Japanese) Kalman Filters for Smart Grid
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Journal of the Society of Instrument and Control Engineers, vo.56, no.9, pp. 687-690, 2017 (in Japanese). Particle Type Kalman Filters and Its Applications
Masaki Yamakita, Tomonori Sadamoto
Systems, Control and Information Engineers, vol.50, no.11, pp.963-968, 2011 (in Japanese)
Seminars, Workshops, and Symposia
Towards Realization of Smart Grid: Control Theory Approach
Tomonori Sadamoto
New Technology Introduction，The University of Electro-Communications，2021 Data-Compression-based Reinforcement Learning Towards Secure Smart Grids
Tomonori Sadamoto
Frontier of Secure Cyber-Physical-Human System, The University of Electro-Communications, 2019 Online Reinforcement Learning Control of Large-Scale Networks by Data-Based Dimensionality Reduction
Tomonori Sadamoto, Aranya Chakrabortty, Jun-ichi Imura
JST-NSF-RCN Workshop, Indian Institute of Technology Munbai, 2019 Preconditioned Off-Policy Iteration based on Dimensionality Reduction Techniques
Tomonori Sadamoto
Kirishima International Hotel, 2018 Retrofit Control of Power Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
The fifth CREST HARPS meeting, 2018 Retrofit Control of PV-Integrated Power Systems
Tomonori Sadamoto, Takayuki Ishizaki, Hampei Sasahara, Jun-ichi Imura
JST-NSF-DFG-RCN Workshop on Distributed Energy Management Systems, 2017 Instruction to HARPS Simulator
Tomonori Sadamoto
Seminar at the University of Tokyo, 2016 Retrofitting State Feedback Control of Networked Nonlinear Systems Based on Hierarchical Expansion
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
International Workshop at Waseda University, 2016. Retrofitting State Feedback Control of Networked Nonlinear Systems Based on Hierarchical Expansion
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Seminar at KTH Royal Institute of Technology, 2016. Issues on reduced-order time-varying Kalman Filter Design
Tomonori Sadamoto
Seminar at KTH Royal Institute of Technology, 2016 Hierarchical Subsystem Clustering for Distributed Control of Networked Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
SIAM Conference on Applications of Dynamical Systems, MS41, 2015 Optimal Load Dispatch Towards Supply-Demand-Storage Balancing under Prediction Uncertainty of Photovoltaic Power Generation
Masakazu Koike, Takayuki Ishizaki, Tomonori Sadamoto, Jun-ichi Imura
The 6th International Conference on Integration of Renewable and Distributed Energy Resources (IRED2014), P8-8, 2014. Hierarchical Distributed Control for Networked Linear Systems
Tomonori Sadamoto, Takayuki Ishizaki, Jun-ichi Imura
Seminar at KTH Royal Institute of Technology, 2014
Awards
2020 IEEE Control Systems Magazine Outstanding Paper Award
2019 Funai Foundation: Research Encouragement Award
2015 The Institute of Systems, Control and Information Engineers: Best Paper Award
2014 Finalist of European Control Conference Best Student Paper Award
2014 The Institute of Systems, Control and Information Engineers: Best Paper Award
2012 The Society of Instrument and Control Engineers: Research Encouragement Award
Japanese Patents
Feedback Controller Design Devises, Feedback Controllers, and Feedback Controller Design Methods
Tomonori Sadamoto
Patent No. 2013-206408. Feedback Controller Design Devises, Feedback Controllers, and Feedback Controller Design Methods
Tomonori Sadamoto
Patent No. 2013-254396. Injection Molding Machines
Tomonori Sadamoto
Patent No. 2014-046488. Injection Molding Machines
Tomonori Sadamoto, Hiroyuki Mizuno
Patent No. 2014-046489. Injection Molding Machines
Hiroshi Morita, Tomonori Sadamoto
Patent No. 2013-224017.
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