Updated on 2025/04/09

写真a

 
TANIGUCHI TOMOKI
 
Organization
Graduate School of Engineering Division of Aerospace and Marine-System Engineering Lecturer
School of Engineering Department of Marine System Engineering
Title
Lecturer
Affiliation
Institute of Engineering
Affiliation campus
Nakamozu Campus

Position

  • Graduate School of Engineering Division of Aerospace and Marine-System Engineering 

    Lecturer  2023.04 - Now

  • School of Engineering Department of Marine System Engineering 

    Lecturer  2023.04 - Now

Degree

  • 博士（工学） （ Osaka Prefecture University ）

  • 修士（工学） （ Osaka Prefecture University ）

  • 学士（工学） （ Osaka Prefecture University ）

Research Areas

  • Frontier Technology (Aerospace Engineering, Marine and Maritime Engineering) / Marine engineering  / Naval architecture, Ocean engineering, Control strategy of Wave Energy Converter, Motion Dynamics of Floating body, Wave Energy Converter, Tank test

Research Interests

  • Control strategy of Wave Energy Converter

  • Floating Type Wave Energy Converter

  • Motion Dynamics of Floating body

  • Ocean engineering

  • Naval architecture

  • Tank test

Professional Memberships

  • The Japan Society of Naval Architects and Ocean Engineers

    2009 - Now   Domestic

Committee Memberships (off-campus)

  • Ocean Engineering   ITTC Association  

    2024.09 - Now 

  • 庶務幹事   公益社団法人日本船舶海洋工学会JTTC  

    2024.08 - Now 

  • Kansai Fluid-dynamics Research group   The Japan Society of Naval Architects and Ocean Engineers (JASNAOE) Kansai Branch  

    2024.04 - Now 

  • 日本船舶海洋工学会関西支部会務委員   公益社団法人日本船舶海洋工学会  

    2023.04 - Now 

  • Special Review Committee on Floating Offshore Wind Turbine   The Japan Society of Naval Architects and Ocean Engineers (JASNAOE)  

    2014.04 - 2015.03 

Awards

  • ORAL PRESENTATION AWARD

    Taniguchi, T., Umeda, J., Nimura, T., Fujiwara, T.

    2022.12   Grand Renewable Energy 2022 International Conference   EXPERIMENTAL VALIDATION OF NONLINEAR MODEL PREDICTIVE CONTROL FOR FLOATING POINT ABSORBER TYPE WAVE ENERGY CONVERTER WITH LINEAR GENERATOR

  • Paper Award of the Japan Society of Naval Architects and Ocean Engineers

    Taniguchi, T., Fujiwara, T., Umeda, J., Nimura, T., Katayama, T.

    2022.05   The Japan Society of Naval Architects and Ocean Engineers   Validation of Real-Time Nonlinear Model Predictive Control on Point Absorber Type Wave Energy Converter by Tank Test

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    Country：Japan

  • Hydrographic Technology Encouragement Award

    Okamoto, A., Taniguchi, T., Sato, T., Hirao, C. S., Inaba, S., Umeda, J.

    2022.03   Japan Hydrographic Association  

Job Career (off-campus)

  • National Maritime Research Institute   Offshore Renewable Energy Research Group, Offshore Advanced Technology Department   Chief researcher

    2018.04 - 2023.03

  • National Maritime Research Institute   Offshore Renewable Energy Research Group, Offshore Advanced Technology Department   Chief researcher

    2018.01 - 2018.03

  • National Maritime Research Institute   Ocean Energy Research Group, Offshore Energy and Underwater Technology Department   Researcher

    2016.04 - 2027.12

  • National Maritime Research Institute   Ocean Energy Research Group, Offshore Renewable Energy Exploitation Department   Researcher

    2015.04 - 2016.03

  • National Maritime Research Institute   Ocean Utilization Assessment Research Group, Offshore Renewable Energy Exploitation Department

    2013.04 - 2015.03

  • National Maritime Research Institute   Ocean Utilization and Environment Assessment Research Group, Offshore Renewable Energy Exploitation Department   Researcher

    2012.04 - 2013.03

  • National Maritime Research Institute   Offshore Engineering System Research Group, Ocean Engineering Department   Researcher

    2010.04 - 2012.03

▼display all

Papers

  • Experimental validation of data-driven reactive control strategy for wave energy converters: A Gaussian process regression approach Reviewed

    Jun Umeda, Tomoki Taniguchi, Toru Katayama

    Ocean Engineering   ( 308 )   2024.09（ ISSN:0029-8018 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：International journal  

    Wave energy is a renewable energy source that can generate electricity without emitting carbon dioxide using wave energy converters (WECs). WECs face several challenges, such as effectively harnessing wave energy, ensuring operational safety, and implementing cost-saving measures. In this study, a data-driven reactive control strategy for WECs using Gaussian process regression is experimentally validated. The control strategy aimed to maximize energy absorption while satisfying physical constraints without a WEC dynamic model. In this study, the Gaussian process regression model represents a WEC dynamic model using an approximation function based on the input/output data. Experimental validation results confirmed that the proposed data-driven reactive control strategy effectively controlled the WEC and improved its performance using the Gaussian model. Moreover, performance was improved under different wave conditions compared to those used during training. The control strategy can be useful in situations where conventional methods cannot realize ideal control parameters, such as when substantial model errors exist or the WEC dynamic model changes over time. The data-driven approach that uses Gaussian process regression reduces learning costs compared to other machine-learning methods. It also has stable control performance because it is independent of the training dataset. The potential of data-driven approaches for optimizing WEC control strategies was highlighted.

    DOI： 10.1016/j.oceaneng.2024.118264

  • Numerical Investigation of Aerodynamic Interactions between Rigid Sails Attached to Ship Reviewed

    Akane Yasuda, Tomoki Taniguchi, Toru Katayama

    Journal of Marine Science and Engineering   12 ( 8 )   1425 - 1425   2024.08（ eISSN:2077-1312 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：International journal  

    As part of the strategy to achieve net-zero Greenhouse Gas (GHG) emissions in international maritime shipping, there is ongoing exploration into the use of wind propulsion systems as auxiliary ship propulsion devices. When considering a rigid sail as the wind propulsion system, evaluating the performance of a single sail is relatively simple. However, assessing the performance of multiple sails is more challenging due to the interference between the sails and between the sails and the hull. In this study, the thrust characteristics of two rigid sails attached to a ship are investigated by using Computational Fluid Dynamics (CFD). This includes considering the interference effects between the sails themselves and between the sails and the hull. The research reveals the innovative optimized angle of attack for maximizing thrust under tailwind conditions. At 150° in relative wind direction, the best performance is achieved with a low angle of attack on the fore side sail and a high angle of attack on the aft side sail. At 180° in relative wind direction, a high angle of attack on the fore side sail and a low angle of attack on the aft side sail yield the best results. Here, a “low” angle of attack means that the lift force is greater than the drag force, while a “high” angle of attack means the drag force is greater than the lift force. In this study, the force in the ship’s forward direction is only focused on optimizing the angles of attack of the two sails. However, the side forces caused by the sails are also significant for the ship’s sailing conditions. Therefore, future work will involve optimizing the angles of attack under drifting conditions.

    DOI： 10.3390/jmse12081425

  • Development of Low Energy Consumption Motion Stabilized Platform for Offshore Wind Observations Floating Platform Reviewed

    Yusuke Yamamoto, Tomoki Taniguchi, Toru Katayama

    Volume 4: Ocean Space Utilization   4   2024.06（ ISBN:9780791887813 ）

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    Publishing type：Research paper (international conference proceedings)   Kind of work：Joint Work   International / domestic magazine：International journal  

    Abstract

    It is necessary to obtain accurately actual wind state at the sea where offshore wind farm will be constructed, in order to guarantee its safety and profitability. In this study, it is proposed that motion of the non-restoring counter-weight type motion stabilized platform on a buoy is made smaller than that of the buoy by using a linear damper to get regenerative energy and skyhook spring and damper controlled by using the regenerative energy. Then, the energy consumption and motion reduction performance of the system is evaluated, and it is tried by system optimization that the energy balance becomes positive.

    DOI： 10.1115/omae2024-123594

  • Investigation of the Scale Effects on Roll Motion for The Ship <i>Bettica</i> Using Numerical Simulation Reviewed

    Nguyen Thi Ha Phuong, Naofumi Yoshida, Tomoki Taniguchi, Toru Katayama

    Polish Maritime Research   31 ( 2 )   4 - 12   2024.06（ ISSN:12332585 ） （ eISSN:2083-7429 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：International journal  

    Abstract

    In this paper, we focus on analysing scale effects on the roll motion of the Italian ship Bettica using a numerical method. First, the roll decay motion of the ship is simulated at both the model scale and full scale, and the predicted results are compared with experimental data to validate the numerical strategy. The results show that there are scale effects that cause the difference in roll amplitudes between the model and the full-scale ship. To investigate the viscous effects on the roll damping components, forced roll simulations are carried out at the model scale and full scale, and the roll damping components (frictional, wave-making, eddy-making, bilge keel and lift components) are obtained. An analysis of these roll damping components indicates that the frictional component is influenced by scale effects, especially in the case of zero or low forward speed. We also show that the bilge keel component is affected by scale effects when the height of the bilge keels is reduced to a certain value below the boundary layer thickness. The velocity fields around the bilge keels are analysed to better understand the scale effects.

    DOI： 10.2478/pomr-2024-0016

  • Study on Characteristics of Frictional Resistance of Prismatic Stepped Planing Surface and its Scale Effects by using a commercial CFD Reviewed

    Toru Katayama, Tatsuki Nanami, Tomoki Taniguchi, Shohei Ozeki, Toshio Watanabe

    Journal of the Japan Society of Naval Architects and Ocean Engineers   39 ( 39 )   111 - 124   2024（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　The purpose of this study is to propose a procedure for accurate calculations of the flow field around prismatic stepped planing surfaces by using an existing commercial CFD code (STAR-CCM+), and investigate the characteristics of hydrodynamic phenomena including their scale effects. In the previous studies<sup>3)</sup>, it is shown that high resolution of partial mesh around stagnation line and application of surface tension model are significant to obtain highly accurate calculation results. The same procedure is also applied for prismatic stepped planing surfaces with one step or two steps, and the hydrodynamic forces acting on prismatic stepped planing surfaces are calculated and the calculated results are compared with measured results. The characteristics of the flow field on the hull behind step are investigated, and the frictional resistance coefficient is obtained for each hull. The calculated coefficients for Reynolds number using average length of each wetted surface as representative length are near the turbulent frictional coefficient line of the equivalent flat plate. In addition, the 10 times large prismatic stepped planing surface with one step is calculated to investigate the scale effects on the wetted surface and its frictional resistance coefficient. As the result, the wetted surface area behind step has the scale effects that is nondimensional value of large hull is smaller than model hull caused by the difference of frictional force which comes from <i>R<sub>n</sub></i> differences on the wetted surface in front of the step.</p>

    DOI： 10.2534/jjasnaoe.39.111

  • Study on Effects of Propulsion on Hydrodynamic Forces acting on Hull and Lower-hull of Outboard Engine by using a commercial CFD Reviewed

    Nanami Tatsuki, Watanabe Toshio, Ozeki Shohei, Taniguchi Tomoki, Katayama Toru

    Journal of the Japan Society of Naval Architects and Ocean Engineers   40 ( 0 )   49 - 57   2024（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　The purpose of this study is to simulate the performance of real-scale high-speed planing craft with outboard engine running on the water surface as a gas-liquid surface in a two-layer fluid using the "ITO" supercomputer and reveal the effect of propulsion on hydrodynamic forces acting on hull and lower-hull of outboard engine. In the studies of prismatic planing surface, it is shown that high resolution of partial mesh around stagnation line and application of surface tension model are significant to obtain highly accurate calculation results. The same procedure is applied for a planing craft with outboard engine, and the hydrodynamic forces acting on the planing craft with outboard engine are calculated and the calculated results are compared with measured results. The calculations for the planing craft with outboard engine excluding the propeller are also performed to investigate the effects of propulsion on the hydrodynamic forces acting on the hull and lower hull of the outboard engine and on the flow field. As a result, the force parallel to the keel line increases by 10% and the force normal to the keel line decreases by 5% due to propeller action, and the lower-hull of the outboard engine is significantly affected.</p>

    DOI： 10.2534/jjasnaoe.40.49

  • Investigation of Characteristics of Maneuvering Hydrodynamic Forces and Minimum Required Experimental Conditions for Small Boats at Low Speed Reviewed

    Hatakenaka Hiroyuki, Yamauchi Seito, Kinugasa Mizuki, Taniguchi Tomoki, Katayama Toru

    Journal of the Japan Society of Naval Architects and Ocean Engineers   40 ( 0 )   23 - 34   2024（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　In this study, characteristics of maneuvering hydrodynamic forces acting on a small boat at low speed and minimum required number and range of experimental conditions of captive model tests to obtain adequate maneuvering motion simulation based on a mathematical model are investigated. Range of experimental conditions in drift angle, yaw angular velocity and running attitudes that are heel, trim angle and draught are determined according to measured maneuvering motions of berthing and turning for a real boat. From the measured results by oblique towing tests, it is found that the hydrodynamic forces acting on hull are significantly changed by flow separation from hull caused by large drift angle, on the other hand, the effects of towing speed on the forces are almost disappeared by dividing the forces by the square of towing speed. It is also found that hydrodynamic forces obtained from PMM test with yawing and without towing speed are almost the same magnitude as hydrodynamic forces obtained by PMM test with pure yawing and towing speed due to large longitudinal asymmetry of hull. From the results of PMM tests with pure swaying and pure yawing, it is confirmed that these tests should be conducted in the conditions which include the range of maneuvering motion of real boat. On the other hand, one combination of towing speed and yaw angular velocity is sufficient for PMM test with yawing with constant drift angle since the hydrodynamic forces at same yaw angular velocity and different towing speed divided by towing speeds are almost same.</p>

    DOI： 10.2534/jjasnaoe.40.23

  • Characteristics of Thrust and Rudder Force at Low Speed of Outboard Engine attached to Small Boat obtained by Fully Captive Oblique Towing Test and Required Experimental Conditions to get them Reviewed

    Hiroyuki Hatakenaka, Seito Yamauchi, Kaichi Ogura, Mizuki Kinugasa, Tomoki Taniguchi, Toru Katayama

    Journal of the Japan Society of Naval Architects and Ocean Engineers   39 ( 39 )   45 - 55   2024（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　In this study, the characteristics of thrust and rudder force caused by an outboard engine attached to a small boat at low speed are investigated based on the measured data by fully captive oblique towing model test with outboard engine and its required experimental conditions to obtain them sufficiently are proposed. The range of experimental conditions in propeller advance coefficient, rudder angle and drift angle of boat are determined according to the measured data for a real boat at berthing maneuvers.</p><p>　From the results of the oblique towing test with outboard engine being in operation, it is confirmed that the test with forward speed should be conducted for several inflow angle for outboard engine which is sum of drift angle and rudder angle and propeller advance coefficient within the range of motion of a real boat at berthing maneuvers. On the other hand, the test with backward speed should be conducted for several combinations of drift angle and rudder angle in addition for the conditions of the test with forward speed. However, the measured thrusts and rudder forces for the two conditions which are line symmetry in the longitudinal direction of towing tank are almost same, therefore one of them can be omitted. Moreover, from the comparison the results of oblique towing tests with outboard engine in being operation and not, it is found that the effects of the operation on rudder force is small, then the rudder force can be obtained from the test with outboard engine not in .</p>

    DOI： 10.2534/jjasnaoe.39.45

  • Development of model-based and model-free reactive control scheme: considering copper loss and movable-floater-displacement constraint for a wave energy converter Reviewed

    Jun Umeda, Tomoki Taniguchi, Toshifumi Fujiwara

    Journal of Marine Science and Technology (Japan)   2023（ ISSN:0948-4280 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：International journal  

    The utilization of wave energy is expected since ocean wave energy has a high potential. The improvement of the feasibility of wave energy converters requires control that maximizes the electric output energy, including the copper loss under a displacement constraint. Several model-based and model-free reactive controls have been developed. Although model-based reactive control attains high performance, it struggles to deal with modeling errors and forecasting wave excitation forces. On the other hand, the model-free reactive control can adapt to dynamic modeling, including modeling errors; however, it requires a vast amount of learning data and considerable time and effort to consider the displacement constraint. Model-based and model-free reactive controls each have advantages and disadvantages. Combined model-based and model-free reactive controls are desirable to freely switch between the model-based and model-free reactive controls based on various ocean situations. In this study, two equivalent model-based and model-free reactive controls that can consider the copper loss and displacement constraints without forecasting the wave excitation forces were proposed. The model-free reactive control was compared with the model-based reactive control and a conventional control using numerical simulations in irregular waves. The results of the simulation show that the proposed model-based reactive control achieves superior performance compared to that of the conventional control. The proposed model-free reactive control achieved comparable performance to that of the proposed model-based reactive control under various wave conditions. Moreover, the proposed model-free reactive control decreased the required training trials. The development of the two equivalent control schemes will lead to the proposal of combined model-based and model-free reactive controls in the future.

    DOI： 10.1007/s00773-023-00933-w

  • Study on Wear Estimation and Wear Reduction of the Floating Offshore Wind Observation System "Buoy Lidar" Reviewed

    Yamamoto Yusuke, Goto Masahiro, Kodama Ryo, Taniguchi Tomoki, Katayama Toru

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 37 )   27 - 36   2023（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　In this study, a wear amount estimation method is investigated using the data obtained from the 2<sup>nd</sup> Demonstration Experiment of the wind observation system off the coast of Sakata, the floating platform including the mooring system to reduce wear is optimized by using the estimation method. First, the wear condition of the mooring lines is investigated and it is found that the wear amount at the mooring point on the buoy side is the largest. Next, the cause of the higher progress wear than the expected design speed is investigated by numerical calculations, and it is confirmed that the proportionality constant in the wear evaluation formula proposed by Takeuchi et al. is changed according to the sea conditions, and the proportionality constant in the equation is determined. Finally, the floating platform including the mooring system is optimized by using the proposed method to reduce the wear amount of the mooring line, it is found the wear amount can be reduced by adjusting the length of the mooring line or the reduction of buoy weight</p>

    DOI： 10.2534/jjasnaoe.37.27

  • Development of Dynamic Model of Wave Energy Converters Using Gaussian Process Regression Reviewed

    Umeda Jun, Taniguchi Tomoki, Katayama Toru

    Journal of the Japan Society of Naval Architects and Ocean Engineers   38 ( 0 )   117 - 125   2023（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　Accurate dynamic models of wave energy converters are essential for the design of these devices. To create an accurate model, it is necessary to consider not only the free surface effects of water but also the mechanical friction forces and cogging forces of the power takeoff system. Nevertheless, these are hard to calculate theoretically. Consequently, this study addresses the development of a nonparametric dynamic model that can consider complicated forces, such as mechanical friction forces and cogging forces of a power take-off system. A regression model using a Gaussian regression process was developed to estimate the heaving displacement and velocity of a wave energy converter based on the data measured in tank tests. This regression model predicted the generated output power more accurately than a numerical simulation model based on the system identification. Additionally, it was shown that the accuracy of the regression model does not decrease significantly as the observed noise in the training data increases. An accurate dynamic model of wave energy converters based on measured data can be used for a wide range of applications, including the development of new control methods, evaluation of power production, and estimation of the maximum displacement of wave energy converters.</p>

    DOI： 10.2534/jjasnaoe.38.117

  • Derivation of State-Space Equation of Floating Point-Absorber Wave Energy Converter Under Motion Constraints and Its Numerical Simulation With Nonlinear Model Predictive Control Reviewed

    Taniguchi Tomoki, Fujiwara Toshifumi, Umeda Jun, Kodama Ryo

    Journal of the Japan Society of Naval Architects and Ocean Engineers   38 ( 0 )   51 - 63   2023（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>　In this paper, we derive a nonlinear state space equation of a floating point-absorber wave energy converter (FPAWEC) and apply a nonlinear model predictive control (NMPC) to the FPAWEC. To consider motion constraints in float velocities and a configuration constraint in the pitch angle between the float and spar, we used Kane’s equation to obtain the motion equation of the FPAWEC. The generalized coordinates and generalized speeds were selected to ease the formulation of the optimization problem. The accuracy of the state space equation was validated with measured results of the motion of the FPAWEC. To reduce the order of the state space equation used in the NMPC controller, radiation forces and moments that have marginal effects on the FPAWEC motion were neglected. The motion, control force, and power production characteristics of the NMPC were numerically investigated and compared with those of conventional control strategies.</p>

    DOI： 10.2534/jjasnaoe.38.51

  • A Study on Real-Time Control of Point Absorber Type Wave Energy Converter with Nonlinear Model Predictive Control Reviewed

    Taniguchi, T

    2022.11

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    Authorship：Lead author   Publishing type：Doctoral thesis   Kind of work：Single Work   International / domestic magazine：Domestic journal  

    DOI： 10.24729/00017848

  • Motion Evaluation of Floating Point Absorber-type Wave Energy Converter by Kane's Equation

    Taniguchi Tomoki, Fujiwara Toshifumi, Umeda Jun, Nimura Tadashi, Katayama Toru

    Journal of the Japan Society of Naval Architects and Ocean Engineers   35 ( 0 )   65 - 76   2022（ ISSN:18803717 ） （ eISSN:18811760 ）

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)  

    <p>In this paper, we derive the equations of longitudinal motion for a floating point absorber type wave energy converter (FPAWEC) by Kane's equation. Since FPAWECs have a nonholonomic constraint, we selected Kane's equation which is based on the principle of virtual power. The time-domain motion equations of the FPAWEC with several control strategies were developed and its motion evaluations were conducted in regular and irregular waves. The motion evaluation results were reasonably consistent with the measured ones, both in regular and irregular waves. The dominant pitch motion in irregular waves was observed around pitch natural frequency. Using the derived equations, we investigated the pitch moment components and found that the pitch moment on the float had the largest contributions to pitching motion with the pitch natural frequency.</p>

    DOI： 10.2534/jjasnaoe.35.65

  • Validation of Real-Time Nonlinear Model Predictive Control on Point Absorber Type Wave Energy Converter by Tank Test Reviewed

    Taniguchi, T., Fujiwara, T., Umeda, J., Nimura, T., and Katayama, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   33 ( 33 )   247 - 256   2021.06（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)  

    DOI： 10.2534/jjasnaoe.33.247

  • Mechanism of Inclination of Spar-Buoy with Ring-Fin Motion Stabilizer in Shallow Sea Caused by Tidal Currents and Waves and Avoidance of the Inclination Reviewed

    Yamamoto, Y, Katayama, T, Morimoto, T, Taniguchi, T, Hashimoto, H, Goto, M

    Journal of the Japan Society of Naval Architects and Ocean Engineers   33 ( 33 )   231 - 246   2021.06（ ISSN:1880-3717 ）

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    Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>The main topics of this paper are the motion characteristics of a spar-buoy. Motion measurements for the spar-buoy with and without a ring-fin motion stabilizer in currents and waves were carried out at the circular water channel and the towing tank of Osaka Prefecture University, to investigate the characteristics of its motion. Motion amplitude of the spar-buoy with the stabilizer is much smaller than the spar-buoy without the stabilizer, however, the spar-buoy with the stabilizer causes the inclination that means a time average value of motion and the inclination becomes larger according to increase in wave height. On the other hand, from the results in currents, the inclination of the spar-buoy with the stabilizer is much smaller than the results of the spar-buoy without the stabilizer, however, it is found that there is clear possibility that it has multi-balanced-inclinations for higher current velocity than the designed current velocity. The mechanisms of these unexpected phenomena were investigated, and it is indicated that they can be avoided to optimize cross-section shape of the stabilizer to change its characteristics of hydrodynamics.</p>

    DOI： 10.2534/jjasnaoe.33.231

    CiNii Article

  • Underwater Cruise Simulation of an Autonomous Underwater Vehicle Using a Nonlinear Model Predictive Control Reviewed

    Miyazawa, K., Arima, M, Taniguchi, T., Umeda, J, Fujiwara, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   34 ( 34 )   99 - 107   2021.02（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Publishing type：Research paper (scientific journal)  

    DOI： 10.2534/jjasnaoe.34.99

  • Short-term Prediction of Output Power and Constrained Optimal Control for Point-Absorber Type Wave-Energy Converters with Linear Generators Reviewed

    Umeda, J., Fujiwara, T., and Taniguchi, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   32 ( 32 )   91 - 98   2021（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Publishing type：Research paper (scientific journal)  

    DOI： 10.2534/jjasnaoe.32.91

  • Development of an Onshore BenchTest System for a Wave Energy Converter and Verification of a Real-Time OptimalControl Reviewed

    Taniguchi, T., Fujiwara, T., Umeda, J., Nimura, T., and Katayama, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   32 ( 32 )   99 - 108   2021（ ISSN:1880-3717 ） （ eISSN:1881-1760 ）

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)  

    DOI： 10.2534/jjasnaoe.32.99

  • Path Following Control of Autonomous Underwater Vehicle Using Nonlinear Model Predictive Control Reviewed

    Taniguchi, T., Umeda, J., Fujiwara, T., Kim, K., Sato, T., Inaba, S.

    Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE   6B-2020   2020（ ISBN:9780791884386 ）

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    Authorship：Lead author   Publishing type：Research paper (international conference proceedings)  

    © 2020 American Society of Mechanical Engineers (ASME). All rights reserved. The path following control of an AUV considering arrival times at waypoints is proposed in this paper. The temporal constraint is considered by adding the surge velocity and the nominal thrust force as reference trajectory in the objective function of the nonlinear model predictive control (NMPC). The proposed control strategy uses fewer reference variables than conventional trajectory tracking problems. The simulated results of the proposed control strategy are compared to the NMRI Cruising AUV#4 actual dive data. The simulated arrival times of waypoints were matched well to the measured data. Two guidance laws, the line of sight with lookahead-based steering law and the pure pursuit guidance law, are also applied to NMPC to determine reference yaw angle.

    DOI： 10.1115/OMAE2020-18241

  • Study on a Wave Energy Converter With Tension Leg Mooring Under Optimal Control Reviewed

    Jun Umeda, Tomoki Taniguchi, Toshifumi Fujiwara

    Volume 10: Ocean Renewable Energy   2019.06

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    Publishing type：Research paper (international conference proceedings)  

    <title>Abstract</title>
    A safety assessment for wave energy converters (WECs) in model scale is necessary before a demonstration test. WECs have various control conditions such as a maintenance and power generation mode etc. Although the safety assessment is required to carry out while considering the control conditions, the motion and load characteristics of the moored WEC to which applies various control conditions remains unclear. This study investigated the motion and load characteristics of the WEC including a mooring system when each control conditions was used. In experiments, the motion and load characteristics of the WEC without control were revealed. In the simulation, the motion and load characteristics were compared between two control methods which are the resistive loading control (RLC) and the approximate complex-conjugate control with considering the copper loss (ACL). The control methods have little effects on the surging, pitching and bending moment of the WEC. Mooring tension increased with increasing wave period when the RLC was used. When the ACL was applied, mooring tension reached the peak value near the natural period and decreased with increasing the wave period. The difference in the trends leads to that the control method maximizing mooring tension is not necessarily the same in each wave period. The select of the operating condition based on the wave period is required when the mooring tension of the WEC is assessed in the model-scale test stage.

    DOI： 10.1115/omae2019-95650

  • Power Production Efficiency Improvement of a Point Absorber Type Wave Energy Converter by Model Predictive Control Reviewed

    Taniguchi, T, Fujiwara T, Inoue S, Ohtsuka T

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 29 )   171 - 179   2019（ ISSN:1880-3717 ）

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    <p>This paper numerically investigates motion and power production characteristics of a point absorber type wave energy converter (WEC) using a model predictive control (MPC). The MPC is able to maximize power production while handling hard constraints, such as maximum motion, control force and so on. Motion and power production characteristics of the MPC were compared with two conventional control methods, the approximate complex-conjugate control with considering the copper loss (ACL) and the resistive loading control (RLC), under the sea condition of Japanese typical joint probability distribution based on a 21-year high-resolution hindcast dataset. From the numerical simulation, it was found that motion and power production characteristics of the MPC were comparable to these of the ACL if the wave height was low enough not to activate the MPC's constraints. As the wave height increased, the two conventional control methods, excluding the MPC, couldn't keep the WEC's motion constraint. Moreover, the sea conditions in which the WEC with the MPC can operate as the power production mode was broadened compared with the two conventional control methods. Through the numerical simulations, it can be said that the WEC with the MPC is feasible in the sea condition around Japanese coast.</p>

    DOI： 10.2534/jjasnaoe.29.171

    CiNii Article

  • Motions and Load Characteristics of an Attenuator Type Wave Energy Converter in Longitudinal Waves Reviewed

    Taniguchi, T., Matsui R., Shimozato K., Fujiwara, T., and Inoue S.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 27 )   89 - 98   2018

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.27.89

  • Study on Model Predictive Control for the Wave Energy Converter with a Linear Generator Reviewed

    Umeda, J., Goto, H., Fujiwara, T., Taniguchi, T.,and Inoue, S.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 28 )   27 - 36   2018

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    Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.28.27

  • Study on a Floating Point Absorber Type Wave Energy Converter with One Line Tension Leg Mooring Reviewed

    Taniguchi, T., Hirao, S. C., Kokubun, K., Nimura, T., Ishida, S., Fujiwara, T., and Inoue S.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 27 )   79 - 88   2018

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    Authorship：Lead author   Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.27.79

  • Experimental and Numerical Study on Point Absorber Type Wave Energy Converter With Linear Generator Reviewed

    Tomoki Taniguchi, Jun Umeda, Toshifumi Fujiwara, Hiroki Goto, and Shunji Inoue

    2017.06

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    Authorship：Lead author   Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

    DOI： 10.1115/omae2017-61849

  • Weather Window Analysis in Connection With Operation and Maintenance of Ocean Renewable Energy Devices Reviewed

    Taniguchi, T, Ishida, S, Fujiwara, T, & Inoue, S.

    Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 6: Ocean Space Utilization; Ocean Renewable Energy.   2016.06

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    Authorship：Lead author   Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

    DOI： 10.1115/omae2016-54814

  • Marine Energy Resource Assessment at Reconnaissance to Feasibility Study Stages : Wave Power, Ocean and Tidal Current Power, and Ocean Temperature Power Reviewed

    Waseda, T., Webb, A., Kiyomatsu, K., Fujimoto, W., Miyazawa, Y., Sergey, V., Horiuchi, K., Fujiwara, T., Taniguchi, T., Matsuda, K., Yoshikawa, J.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 23 )   189 - 198   2016.06

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    Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.23.189

  • A Feasibility Study on Hybrid Use of Ocean Renewable Energy Resources Around Japan Reviewed

    Taniguchi, T, Ishida, S, and Minami, Y.

    Proceedings of the ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. Volume 8: Ocean Renewable Energy   2013.06

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    Authorship：Lead author   Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

    DOI： 10.1115/omae2013-11040

  • Basic Design of a Semi-Submersible Rig for Experimental Drilling of Methane Hydrate by “Harmonic Design Tool” Reviewed

    Taniguchi, T, Yukawa, K, Otsubo, K, and Sato, H.

    Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 1: Offshore Technology   2012.07

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    Authorship：Lead author   Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

    DOI： 10.1115/omae2012-83309

  • Estimation of Position-Keeping Ability of an Offshore Platform for SMS Mining Reviewed

    Yukawa, K., Minami, Y., Sato H., Ohtsubo, K., and Taniguchi, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 15 )   47 - 54   2012.06

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    International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.15.47

  • Tank Tests to Estimate Onset of Dynamic Instabilities of High-Speed Planing Craft

    Toru Katayama, Tomoki Taniguchi, Kazuya Habara

    Transactions 2010, The Society of Naval Architects and Marine Engineers   106 - 121   2011.08

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    Publishing type：Research paper (scientific journal)   International / domestic magazine：International journal  

  • Development of Motion Estimation Method of Porpoising for High Speed Planing Craft with Outboard Engine Reviewed

    Katayama, T., Taniguchi, T., and Sato, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 12 )   51 - 59   2010

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    Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.12.51

  • An Experimental Study on Parametric Rolling of a High Speed Trimaran in Head Seas Reviewed

    Katayama, T., Taniguchi, T., and Umeda, N.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 10 )   57 - 63   2009.12

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    Publishing type：Research paper (scientific journal)   International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.10.57

  • Development of Maneuvering Simulation Method for High Speed Craft using Hydrodynamic Forces obtained from Model Tests Reviewed

    Toru Katayama, Tomoki Taniguchi, Haruna Fujii, and Yoshiho Ikeda

    Proc. of the 10th International Conference on Fast Sea Transportation   477 - 490   2009.10

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    Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

  • An Experimental Study on Parametric Rolling of a High Speed Trimaran in Head Sea Reviewed

    Katayama, T., Taniguchi, T., and Umeda, N.

    Proc. of the 10th International Conference on Stability of Ships and Ocean Vehicles   541 - 548   2009.06

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    Publishing type：Research paper (international conference proceedings)   International / domestic magazine：International journal  

  • A Study on Viscous Effects of Roll Damping for Multi-Hull High-Speed Craft Reviewed

    Katayama, T., Taniguchi, T.

    Journal of the Japan Society of Naval Architects and Ocean Engineers   ( 8 )   147 - 154   2008.12

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    International / domestic magazine：Domestic journal  

    DOI： 10.2534/jjasnaoe.8.147

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MISC

  • 2024S-OS8-5 Motion Analysis of Fully Wind-Powered Ship by Using CFD International journal

    Yasuda Akane, Taniguchi Tomoki, Katayama Toru

    Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers   38 ( 0 )   259 - 262   2024.05（ eISSN:24241628 ）

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    DOI： 10.14856/conf.38.0_259

  • 2024S-GS15-1 Study on Wear Estimation for Single Point Mooring Chain International journal

    Katayama Toru, Hasunuma Ryoya, Yamamoto Yusuke, Taniguchi Tomoki, Fukute Yusuke

    Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers   38 ( 0 )   525 - 528   2024.05（ eISSN:24241628 ）

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

    DOI： 10.14856/conf.38.0_525

  • Research and Development on Fundamental and Safety Assessment Technologies for Ocean Renewable Energies OA International journal

    Fujiwara, T., Chujo, T., Taniguchi, T., Haneda, A., Hirao, S. C., Umeda, J., et al.

    23 ( 5 )   1 - 25   2023.12

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    Publishing type：Internal/External technical report, pre-print, etc.   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Study on Optimal Angle of Attack for Two Sails with Hull considering Aerodynamic Interaction International journal

    Yasuda, A., Taniguchi, T., Katayama, T.

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   261 - 268   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Frequency Response Analysis of Wave Energy Converter Using Gaussian Process Regression International journal

    Umeda, J., Taniguchi, T., Katayama, T.

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   733 - 737   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Numerical Simulation Strategy of Full-scale Ship Roll Decay Motion International journal

    Nguyen Thi Ha Phuong, Tomoki Taniguchi, Toru Katayama

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   365 - 371   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Study on Effects of Propulsion on Hydrodynamic Forces acting on Hull and Lower-hull of Outboard Engine by using CF International journal

    Katayama, T., Nanami, T., Taniguchi, T.: Ozeki, S., Watanabe, T.

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   607 - 613   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Study on Characteristics of Thrust and Rudder force by Outboard Engine at Slow Forward Speed International journal

    Katayama, T, Yamauchi, S, Hatakenaka, H, Ogura, K, Kinugasa, M, Taniguchi, T

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   373 - 378   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • Development of Free Running Model of High-speed Planing Craft with Outboard Engine International journal

    Katayama, T., Ogura, K., Kinugasa, M., Taniguchi, T.

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 37 )   379 - 381   2023.11

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • 海域水深と変位制約を考慮した波力発電装置の発電性能評価—Evaluations of Power Generation Performance Considering Finite Depth Effect and Displacement Constraints for Wave Energy Converters

    梅田 隼, 谷口 友基

    日本船舶海洋工学会講演会論文集 Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers   ( 36 )   585 - 589   2023.06（ ISSN:2185-1840 ）

  • Review and Proposal of Design Wave Determination method International journal

    Yamamoto, Y., Goto, M., Kodama, R., Taniguchi, T., Katayama, T.

    Conference Proceedings of The Japan Society of Naval Architects and Ocean Engineers   ( 36 )   373 - 374   2023.06

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • 波エネルギー変換装置用横磁束型リニアジェネレータの実時間制御実験 International journal

    労凱宇, 古関隆章, 大西亘, 梅田隼, 谷口友基, 藤原敏文, 後藤博樹

    交通・電気鉄道/リニアドライブ合同研究会   TER-23-034 ( LD-23-034 )   2023.01

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • EXPERIMENTAL VALIDATION OF NONLINEAR MODEL PREDICTIVE CONTROL FOR FLOATING POINT ABSORBER TYPE WAVE ENERGY CONVERTER WITH LINEAR GENERATOR

    Taniguchi, T., Umeda, J., Nimura, T., Fujiwara, T.

    Grand Renewable Energy 2022 International Conference   2022.12

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    Authorship：Lead author  

  • Advantage of Motion Estimation of Point Absorber Type Wave Energy Converter

    Jun Umeda, Tomoki Taniguchi, Kaiyu Lao, Takafumi Koseki, Toshifumi Fujiwara

    ( 35 )   505 - 517   2022.11

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  • Kane型運動方程式を用いた浮体式ポイントアブソーバー型波力発電装置の定式化と波浪中運動評価 International journal

    Taniguchi, T., Umeda, J.

    2022.07

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    Authorship：Lead author   Publishing type：Lecture material (seminar, tutorial, course, lecture, etc.)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • 並進動揺型波力発電装置を対象とした 実時間最適制御法の水槽模型試験による検証 Invited International journal

    Taniguchi, T., Fujiwara, T., Umeda, J., Nimura, T., Katayama, T.

    Bulletin of The Japan Society of Naval Architects and Ocean Engineers   ( 103 )   2022.07

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    Authorship：Lead author   Publishing type：Article, review, commentary, editorial, etc. (other)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • 横磁束形リニア波力発電機システムの評価用水槽実験結果 International journal

    労凱宇, 古関隆章, 大西亘, 梅田隼, 谷口友基, 藤原敏文, 後藤博樹

    交通・電気鉄道/リニアドライブ合同研究会   ( LD-22-048 )   5 - 10   2022.01

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    Publishing type：Research paper, summary (national, other academic conference)   Kind of work：Joint Work   International / domestic magazine：Domestic journal  

  • 高性能航行型AUVの開発

    岡本 章裕, 谷口 友基, 佐藤 匠, 平尾 春華, 稲葉 祥梧, 梅田 隼

    水路 : 日本水路協会機関誌 : quarterly journal / 日本水路協会 [編]   ( 198 )   13 - 18   2021.07（ ISSN:0287-4660 ）

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  • Underwater Cruise Simulation of an Autonomous Underwater Vehicle Using Non-linear Model Predictive Control

    Miyazawa, K, Taniguchi, T, Umeda, J, Arima, M

    Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers   ( 30 )   2020（ ISSN:2185-1840 ）

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    Publishing type：Research paper, summary (national, other academic conference)  

    J-GLOBAL

  • Real-Time Optimal Control of Point Absorber Type Wave Energy Converter with Onshore Bench Test System OA

    Taniguchi, T, Fujiwara, T, Umeda, J, Nimura, T

    Papers of National Maritime Research Institute   20 ( 3 )   2020（ ISSN:2188-6598 ）

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    Authorship：Lead author   Publishing type：Internal/External technical report, pre-print, etc.  

    J-GLOBAL

  • Scale Factor of a Linear Generator on Wave Energy Converters

    Umeda, J., Taniguchi, T., Fujiwara, T.

    Conference Proceedings of the Japan Society of Naval Architects and Ocean Engineers, (29), 2019   ( 29 )   2019（ ISSN:2185-1840 ）

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Presentations

  • 計測誤差を1/5以下にできる洋上風況観測浮体ブイ向け低動揺プラットフォーム開発 Domestic conference

    谷口 友基

    第21回海洋エネルギーシンポジウム2024  2024.09  佐賀大学海洋エネルギー研究所

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    Presentation type：Oral presentation (general)  

    Venue：佐賀大学 理工学部 8号館5階 国際環境科学セミナー室  

  • Marine Energy Potential and Weather Window Characteristics Around Japanese Coast Domestic conference

    Taniguchi, T.

    2023.09 

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    Presentation type：Oral presentation (general)  

  • A Study on Stability for Semi-submergible Type Floating Offshore Wind Turbine Domestic conference

    Taniguchi, T., Kokubun, K., and Nimura, T.

    General meeting of National Maritime Research Institute  2013 

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    Presentation type：Oral presentation (general)  

Industrial Property Rights

  • WAVE POWER GENERATION SYSTEM

    Inoue, S., Taniguchi, T., Fujiwara, T., Umeda, J.

    　More details

    property_type：Patent 

    Application no：特願2018-18565 

    Announcement no：特開2019-135391 

    Patent/Registration no：特許7029796 

  • REAL TIME CONTROL METHOD OF WAVE FORCE POWER GENERATOR AND WAVE FORCE POWER GENERATION SYSTEM

    Fujiwara, T., Taniguchi, T.

    　More details

    property_type：Patent 

    Application no：特願2019-025942 

    Announcement no：特開2020-133460 

Collaborative research (seeds) keywords

  • Motion Dynamics of Floating body

    Category：Machinery / Measuring Equipment 

  • Wave Energy Converter

    Category：Machinery / Measuring Equipment 

  • Ocean engineering

    Category：Machinery / Measuring Equipment 

  • Tank test

    Category：Machinery / Measuring Equipment 

  • Naval architecture

    Category：Machinery / Measuring Equipment 

Grant-in-Aid for Scientific Research

  • 油圧式発電機構を持った浮体式波力発電装置の複合物理領域モデリング

    Grant-in-Aid for Scientific Research(C)  2027

  • 油圧式発電機構を持った浮体式波力発電装置の複合物理領域モデリング

    Grant-in-Aid for Scientific Research(C)  2026

  • 油圧式発電機構を持った浮体式波力発電装置の複合物理領域モデリング

    Grant-in-Aid for Scientific Research(C)  2025

  • Multi-physical Modelling of Floating Type Wave Energy Converter

    Grant-in-Aid for Scientific Research(C)  2022.04

  • System design and output energy maximization control of ocean wave linear generators as sustainable fundamental energy source

    Grant-in-Aid for Scientific Research(B)  2019.04

  • Real-Time Optimization Control of a Floating Type Wave Energy Converter

    Grant-in-Aid for Early-Career Scientists  2019.04

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Contract research

  • 計測誤差を１／５以下にできる洋上風況観測浮体ブイ向け低動揺プラットフォーム開発

    国立研究開発法人新エネルギー・産業技術総合開発機構  新エネルギー等のシーズ発掘・事業化に向けた技術研究開発事業／社会課題解決枠フェーズＢ（風力発電利用促進分野）  2025.02

Charge of on-campus class subject

  • 船舶海洋工学プロジェクト2

    2024   Weekly class   Undergraduate

  • 海洋システム工学概論

    2024   Weekly class   Undergraduate

  • 海洋システム工学実験

    2024   Weekly class   Undergraduate

  • 海洋システム機械工作実習

    2024   Weekly class   Undergraduate

  • 船舶流体力学特論

    2024   Weekly class   Graduate school

  • 航空宇宙海洋系特別研究第1

    2024   Intensive lecture   Graduate school

  • 航空宇宙海洋系特別演習第1

    2024   Intensive lecture   Graduate school

  • 航空宇宙海洋系特別演習

    2024   Intensive lecture   Graduate school

  • 初年次ゼミナール

    2024   Weekly class   Graduate school

  • 海洋資源エネルギー工学1

    2024   Weekly class   Undergraduate

  • 海洋システム振動工学

    2024   Weekly class   Undergraduate

  • 船舶海洋工学プロジェクト3

    2024   Weekly class   Undergraduate

  • 船舶海洋工学プロジェクト1

    2024   Weekly class   Undergraduate

  • 海洋システム工学総合演習

    2024   Weekly class   Undergraduate

  • 航空宇宙海洋系特別研究第2

    2024   Intensive lecture   Graduate school

  • 航空宇宙海洋系特別演習第2

    2024   Intensive lecture   Graduate school

  • 航空宇宙海洋系特別研究

    2024   Intensive lecture   Graduate school

  • Introduction to Marine System Engineering

    2023   Weekly class   Undergraduate

  • Dynamics in Marine System Engineering

    2023   Weekly class   Undergraduate

  • Project Exercises: Marine System Engineering 3

    2023   Weekly class   Undergraduate

  • Project Exercises: Marine System Engineering 1

    2023   Weekly class   Undergraduate

  • 航空宇宙海洋系特別研究第2

    2023   Intensive lecture   Graduate school

  • 航空宇宙海洋系特別演習第2

    2023   Intensive lecture   Graduate school

  • Advanced Theory in Ship Hydrodynamics

    2023   Weekly class   Graduate school

  • Laboratory: Marine System Engineering

    2023   Weekly class   Undergraduate

  • Manufacturing Process Laboratory: Marine System Engineering

    2023   Weekly class   Undergraduate

  • Project Exercises: Marine System Engineering 2

    2023   Weekly class   Undergraduate

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Faculty development activities

  • FD会議  2024

    　More details

    月1回開催されるFD会議に出席した．

  • FD会議  2023

    　More details

    月1回開催されるFD会議に出席した．

Number of papers published by graduate students

  • 2024

    Number of undergraduate student / college student presentations：0  Number of graduate students presentations：5

  • 2023

    Number of undergraduate student / college student presentations：0  Number of graduate students presentations：5

Number of instructed thesis, researches

  • 2024

    Number of instructed the graduation thesis：3  Number of graduation thesis reviews：0

    [Number of instructed the Master's Program] (previous term)：5  [Number of instructed the Master's Program] (letter term)：5

    [Number of master's thesis reviews] (chief)：0  [Number of master's thesis reviews] (vice-chief)：0

    [Number of doctoral thesis reviews] (chief)：0  [Number of doctoral thesis reviews] (vice-chief)：1

  • 2023

    Number of instructed the graduation thesis：3  Number of graduation thesis reviews：0

    [Number of instructed the Master's Program] (previous term)：4  [Number of instructed the Master's Program] (letter term)：4

    [Number of master's thesis reviews] (chief)：0  [Number of master's thesis reviews] (vice-chief)：0

    [Number of doctoral thesis reviews] (chief)：0  [Number of doctoral thesis reviews] (vice-chief)：0