Search Results - "Sasahara, Hampei"

Parameterization of All Output-Rectifying Retrofit Controllers by Sasahara, Hampei, Ishizaki, Takayuki, Imura, Jun-ichi

“…This article investigates a parameterization of all output-rectifying retrofit controllers for distributed design of a structured controller. It has been…”
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Symbol Detection for Faster-Than-Nyquist Signaling by Sum-of-Absolute-Values Optimization by Sasahara, Hampei, Hayashi, Kazunori, Nagahara, Masaaki

“…In this letter, we propose a new symbol detection method in faster-than-Nyquist signaling for effective data transmission. Based on the frame theory, the…”
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Model-free Dominant Pole Placement for Restabilizing High-Dimensional Network Systems via Small-Sample-Size Data by Shen, Xun, Sasahara, Hampei, Morishita, Masahide, Imura, Jun-ichi, Oku, Makito, Aihara, Kazuyuki

“…There is a critical transition before a high-dimensional network system completely deteriorates. The Dynamical Network Marker (DNM) theory has been developed…”
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Self-Interference Suppression Based on Sampled-Data H8 Control for Baseband Signal Subspaces by Hampei Sasahara, Masaaki Nagahara, Kazunori Hayashi, Yutaka Yamamoto

“…In this paper, we propose a design method of self-interference cancelers for in-band full-duplex wireless relaying taking account of baseband signal subspaces…”
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Asymptotic Security Using Bayesian Defense Mechanism With Application to Cyber Deception by Sasahara, Hampei, Sandberg, Henrik

“…This article addresses the question whether model knowledge can guide a defender to appropriate decisions, or not, when an attacker intrudes into control…”
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Epistemic Signaling Games for Cyber Deception With Asymmetric Recognition by Sasahara, Hampei, Sandberg, Henrik

“…This letter provides a model of cyber deception with asymmetric recognition represented by private beliefs. Signaling games, which are often used in existing…”
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Multiuser Detection Based on MAP Estimation With Sum-of-Absolute-Values Relaxation by Sasahara, Hampei, Hayashi, Kazunori, Nagahara, Masaaki

“…In this paper, we consider multiuser detection that copes with multiple access interference caused in low-rate wireless communication systems with a large…”
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Parameterization of All State-Feedback Retrofit Controllers by Sasahara, Hampei, Ishizaki, Takayuki, Imura, Jun-Ichi

“…Retrofit control is a promising approach for distributed design of decentralized sub-controllers for large-scale network systems, while most existing…”
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Distributed Design of Glocal Controllers via Hierarchical Model Decomposition by Sasahara, Hampei, Ishizaki, Takayuki, Imura, Jun-ichi, Sandberg, Henrik, Johansson, Karl Henrik

“…This paper proposes a distributed design method of controllers with a glocal (global/local) information structure for large-scale network systems. The glocal…”
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Disconnection-Aware Attack Detection and Isolation With Separation-Based Detector Reconfiguration by Sasahara, Hampei, Ishizaki, Takayuki, Imura, Jun-Ichi, Sandberg, Henrik

“…This study addresses incident handling during an adverse event for dynamical networked control systems. Incident handling can be divided into five steps:…”
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A Characterization of All Retrofit Controllers by Sasahara, Hampei, Ishizaki, Takayuki, Inoue, Masaki, Sadamoto, Tomonori, Irnura, Jun-ichi

“…In this paper, we give a characterization of all retrofit controllers for control of large-scale network systems. A retrofit controller is a local plug-in…”
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Modularity in Design of Dynamical Network Systems: Retrofit Control Approach by Ishizaki, Takayuki, Sasahara, Hampei, Inoue, Masaki, Kawaguchi, Takahiro, Imura, Jun-ichi

“…In this article, we develop a modular design method of decentralized controllers for linear dynamical network systems, where multiple subcontroller designers…”
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Design of input assignment and feedback gain for re‐stabilizing undirected networks with High‐Dimension Low‐Sample‐Size data by Yasukata, Hitoshi, Shen, Xun, Sasahara, Hampei, Imura, Jun‐ichi, Oku, Makito, Aihara, Kazuyuki

“…There exists a critical transition before dramatic deterioration of a complex dynamical system. Recently, a method to predict such shifts based on…”
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Retrofit control with approximate environment modeling by Ishizaki, Takayuki, Kawaguchi, Takahiro, Sasahara, Hampei, Imura, Jun-ichi

“…In this paper, we develop a retrofit control method with approximate environment modeling. Retrofit control is a modular control approach for a general stable…”
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Faster-than-nyquist signaling by sum-of-absolute-values optimization by Sasahara, Hampei, Hayashi, Kazunori, Nagahara, Masaaki

“…In this article, we propose a new signal detection method for faster-than-Nyquist signaling (FTNS) systems for high-speed data communications. The symbol…”
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Re-Stabilizing Large-Scale Network Systems Using High-Dimension Low-Sample-Size Data Analysis by Shen, Xun, Sasahara, Hampei, Imura, Jun-ichi, Oku, Makito, Aihara, Kazuyuki

“…Dynamical Network Marker (DNM) theory offers an efficient approach to identify warning signals at an early stage for impending critical transitions leading to…”
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Ultra-early medical treatment-oriented system identification using High-Dimension Low-Sample-Size data by Shen, Xun, Shimada, Naruto, Sasahara, Hampei, Imura, Jun-ichi

“…Ultra-early detection of diseases with High-Dimension Low-Sample-Size (HDLSS) data has been effectively addressed by the Dynamical Network Biomarkers (DNBs)…”
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Damping performance improvement for PV-integrated power grids via retrofit control by Sasahara, Hampei, Ishizaki, Takayuki, Sadamoto, Tomonori, Masuta, Taisuke, Ueda, Yuzuru, Sugihara, Hideharu, Yamaguchi, Nobuyuki, Imura, Jun-ichi

“…In this paper, we develop a distributed design method for power system stabilizers (PSSs) that improve damping performance for deflections caused by…”
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Sampled-data H∞ optimization for self-interference suppression in baseband signal subspaces by Sasahara, Hampei, Nagahara, Masaaki, Hayashi, Kazunori, Yamamoto, Yutaka

“…In this article, we propose a design method of self-interference cancelers for wireless relay stations taking account of the baseband signal subspace. The…”
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Adversarial Attacks to Direct Data-driven Control for Destabilization by Sasahara, Hampei

“…This study investigates the vulnerability of direct data-driven control to adversarial attacks in the form of a small but sophisticated perturbation added to…”
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