40 citations · 131 across the 14 of their papers we have counts for
16 papers
Distributed Design of Glocal Controllers via Hierarchical Model Decomposition
Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura +2
This paper proposes a distributed design method of controllers having a glocal (global/local) information structure for large-scale network systems. Distributed design, independent…
Disconnection-aware Attack Detection and Isolation with Separation-based Detector Reconfiguration
Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura +1
This study addresses incident handling during an adverse event for dynamical networked control systems. Incident handling can be divided into five steps: detection, analysis, conta…
Parameterization of All Output-Rectifying Retrofit Controllers
Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura
This study investigates a parameterization of all output-rectifying retrofit controllers for distributed design of a structured controller. It has been discovered that all retrofit…
Fast Online Reinforcement Learning Control using State-Space Dimensionality Reduction
Tomonori Sadamoto, Aranya Chakrabortty, Jun-ichi Imura
In this paper, we propose a fast reinforcement learning (RL) control algorithm that enables online control of large-scale networked dynamic systems. RL is an effective way of desig…
Disconnection-aware Attack Detection in Networked Control Systems
Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura +1
This study deals with security issues in dynamical networked control systems. The goal is to establish a unified framework of the attack detection stage, which includes the four pr…
Parameterization of Retrofit Controllers
Hampei Sasahara, Takayuki Ishizaki, Jun-ichi Imura
This study investigates a parameterization of all retrofit controllers. Retrofit control can accomplish modular design of control systems, i.e., independent design of subcontroller…