Takayuki Nagata

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Specially Appointed Assistant Professor

Tohoku University

Japan

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Dr. Takayuki Nagata is a Specially Appointed Assistant Professor at Tohoku University, Japan. His research interests include anomaly detection, fluid dynamics, and sensor optimization, as demonstrated in his recent work on data-driven sensor selection and visualization techniques for compressible flow. His contributions to the field encompass diverse methodologies, including dynamic mode decomposition and state estimation using Kalman filters.

Recent Grants

Grant: Close

Elucidation and modeling of interparticle interference effect for high fidelity compressible multiphase flow simulation

Open Date: 2021-04-01

Close Date: 2023-03-31

Grant: Close

Model construction for compressible multiphase flow and elucidation of particle effects based on numerical and experimental studies on flow around a sphere

Open Date: 2018-04-25

Close Date: 2020-03-31

Grant: Close

球周り流れの数値的・実験的研究に基づく圧縮性混相流モデルの構築と微粒子の影響解明

Open Date: 2018-04-01

Close Date: 2020-03-01

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JAPAN

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Shigeru Obayashi

Professor

Tohoku University

JAPAN

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Yasuhiro Egami

Professor

Aichi Institute of Technology

JAPAN

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Takayuki Nagata

Research Interests

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About

Recent Grants

Articles (22)

Dynamic mode decomposition based on expectation–maximization algorithm for simultaneous system identification and denoising

Schlieren visualization and drag measurement on compressible flow over a circular cylinder at Reynolds number of $$\mathcal {O}(10^2)$$

Unsteady flow field behind levitated short-finite circular cylinder with angle of attack

Anomaly Detection Using Data-Driven Sparse Sensors: Combination of Modal Representation and Sensor Optimization for Sensing of Targeted Variable

Fast Data-Driven Greedy Sensor Selection for Ridge Regression

P–S Travel-Time Detection and Hypocenter Location of Low-SNR Events Using Polarization in the Time–Frequency Domain

Assessment of Sensor Optimization Methods Toward State Estimation in a High-Dimensional System Using Kalman Filter

Indexes for evaluation of dynamic characteristics of pressure-sensitive paint based on pressure sensitivity and frequency response

Base pressure fluctuations on levitated freestream-aligned circular cylinder

Polarization Analysis in Time–Frequency Domain by Complex Spectral Matrix: Application to Various Phases of Seismogram

Superresolution and analysis of three-dimensional velocity fields of underexpanded jets in different screech modes

Evaluation of characteristics of fast-response pressure-sensitive paint under low-pressure conditions

Observation site selection for physical model parameter estimation towards process-driven seismic wavefield reconstruction

Efficient Sensor Node Selection for Observability Gramian Optimization

Reservoir computing reduced-order model based on particle image velocimetry data of post-stall flow

Randomized Group-Greedy Method for Large-Scale Sensor Selection Problems

Sensor Selection by Greedy Method for Linear Dynamical Systems: Comparative Study on Fisher-Information-Matrix, Observability-Gramian and Kalman-Filter-Based Indices

Sensor Selection With Cost Function Using Nondominated-Solution-Based Multiobjective Greedy Method

Seismic wavefield reconstruction based on compressed sensing using data-driven reduced-order model

Effect of particle arrangement and density on aerodynamic interference between twin particles interacting with a plane shock wave

Optimal gate selection method for simultaneous lifetime-based measurement of PSP and TSP

Visualization of Pressure and Skin-Friction Fields on Rotating Blade Under Low-Pressure Conditions

Collaborators (9)

Masanobu Inubushi

kazuki uchida

Yusuke Mukuhira

Yuji Saito

Taku Nonomura

Shin-ichi Ito

Lee Chungil

Shigeru Obayashi

Yasuhiro Egami

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