47 citations · 95 across the 9 of their papers we have counts for
9 papers
Control of Oscillatory Temperature Field in a Building via Damping Assignment to Nonlinear Koopman Mode
Yoshihiko Susuki, Kohei Eto, Naoto Hiramatsu +1
This paper addresses a control problem on air-conditioning systems in buildings that is regarded as a control practice of nonlinear distributed-parameter systems. Specifically, we…
Koopman-Model Predictive Control with Signal Temporal Logic Specifications for Temperature Regulation of a Warm-Water Supply System
Ryo Miyashita, Yoshihiko Susuki, Atsushi Ishigame
Control of warm-water supply for dialysis treatment in a hospital environment is typical of safety-critical control problems. In order to guarantee the continuity of warm-water sup…
A mode-in-state contribution factor based on Koopman operator and its application to power system analysis
Kenji Takamichi, Yoshihiko Susuki, Marcos Netto +1
This paper proposes a mode-in-state contribution factor for a class of nonlinear dynamical systems by utilizing spectral properties of the Koopman operator and sensitivity analysis…
Asymptotic Assessment of Distribution Voltage Profile Using a Nonlinear ODE Model
Haruki Tadano, Yoshihiko Susuki, Atsushi Ishigame
The promising increase of Electric Vehicles (EVs) in our society poses a challenging problem on the impact assessment of their charging/discharging to power distribution grids. Thi…
Autonomous Vehicle-to-Grid Design for Provision of Frequency Control Ancillary Service and Distribution Voltage Regulation
Shota Yumiki, Yoshihiko Susuki, Yuta Oshikubo +6
We develop a system-level design for the provision of Ancillary Service (AS) for control of electric power grids by in-vehicle batteries, suitably applied to Electric Vehicles (EVs…
Koopman Mode Decomposition of Oscillatory Temperature Field inside a Room
Naoto Hiramatsu, Yoshihiko Susuki, Atsushi Ishigame
Koopman mode decomposition (KMD) is a technique of nonlinear time-series analysis capable of decomposing data on complex spatio temporal dynamics into multiple modes oscillating wi…
Application of Gaussian Process Regression to Koopman Mode Decomposition for Noisy Dynamic Data
Akitoshi Masuda, Yoshihiko Susuki, Manel Martínez-Ramón +2
Koopman Mode Decomposition (KMD) is a technique of nonlinear time-series analysis that originates from point spectrum of the Koopman operator defined for an underlying nonlinear dy…
Synthesis of Spatial Charging/Discharging Patterns of In-Vehicle Batteries for Provision of Ancillary Service and Mitigation of Voltage Impact
Naoto Mizuta, Yoshihiko Susuki, Yutaka Ota +1
We develop an algorithm for synthesizing a spatial pattern of charging/discharging operations of in-vehicle batteries for provision of Ancillary Service (AS) in power distribution…
Estimation of Power System Inertia Using Nonlinear Koopman Modes
Yoshihiko Susuki, Ryo Hamasaki, Atsushi Ishigame
We report a new approach to estimating power system inertia directly from time-series data on power system dynamics. The approach is based on the so-called Koopman Mode Decompositi…