GOTOH Yuji

FacultyFaculty of Science and Technology
PositionAssociate Professor
 

Profile

Faculty

    Faculty of Science and TechnologyAssociate Professor

Name

    GOTOH Yuji

Degree(1)

  • 岡山大学, Sep. 2002

Address

    700 Dannoharu, +81-97-554-7795, goto-yuujioita-u.ac.jp, http://www.en.oita-u.ac.jp/~gotouyuji-ken/

Education

Classes

  • 2007, Electric Macinery
  • 2007, Energy Conversion Engineering
  • 2007, Power Electric Circuit
  • 2007
  • 2007, Energy System Design
  • 2007, Introduction ot the Energy Engineering Course
  • 2007, Energy Science
  • 2007, Experiments of the Energy Engineering Course II
  • 2008, Electric Macinery
  • 2008, Energy Conversion Engineering
  • 2008, Power Electric Circuit
  • 2008, Industrial English
  • 2008, Energy System Design
  • 2008, Introduction ot the Energy Engineering Course
  • 2008, Energy Science
  • 2008, Experiments of the Energy Engineering Course II
  • 2009, Electric Macinery
  • 2009, Energy Conversion Engineering
  • 2009, Power Electric System Engineering
  • 2009, Industrial English
  • 2009, Energy System Design
  • 2009, Introduction ot the Energy Engineering Course
  • 2009, Energy Science
  • 2009, Experiments of the Energy Engineering Course II
  • 2009, Electromagnetic Inspection Method
  • 2010, Industrial English
  • 2010, Energy Conversion Engineering
  • 2010, Power Electric System Engineering
  • 2010, Control engineering II
  • 2010, Energy System Design
  • 2010, Experiments of the Energy Engineering CourseI
  • 2010, Experiments of the Energy Engineering CourseI
  • 2010, Electric Macinery
  • 2010, Machine work control training
  • 2010, Energy Science
  • 2010, Experiments of the Energy Engineering CourseII
  • 2010, Electromagnetic Inspection Method
  • 2011, Industrial English
  • 2011, Energy Conversion Engineering
  • 2011, Power Electric System Engineering
  • 2011, Control engineering II
  • 2011, Energy System Design
  • 2011, Experiments of the Energy Engineering CourseI
  • 2011, Experiments of the Energy Engineering CourseI
  • 2011, Electric Macinery
  • 2011, Machine work control training
  • 2011, Energy Science
  • 2011, Experiments of the Energy Engineering CourseII
  • 2011, Electromagnetic Inspection Method
  • 2012, machine electrical engineering
  • 2012, Industrial English
  • 2012, Energy Conversion Engineering
  • 2012, Power Electric System Engineering
  • 2012, Control engineering II
  • 2012, Energy System Design
  • 2012, Experiments of the Energy Engineering CourseI
  • 2012, Experiments of the Energy Engineering CourseI
  • 2012, Electric Macinery
  • 2012, Machine work control training
  • 2012, Energy Science
  • 2012, Experiments of the Energy Engineering CourseII
  • 2012, Electromagnetic Inspection Method
  • 2013, Industrial English
  • 2013, Energy Conversion Engineering
  • 2013, Power Electric System Engineering
  • 2013, Control engineering II
  • 2013, Energy System Design
  • 2013, Experiments of the Energy Engineering CourseI
  • 2013, Experiments of the Energy Engineering CourseI
  • 2013, Electric Macinery
  • 2013, Machine work control training
  • 2013, Energy Science
  • 2013, Experiments of the Energy Engineering CourseII
  • 2013, Electromagnetic Inspection Method
  • 2014
  • 2014
  • 2014
  • 2014
  • 2014
  • 2014
  • 2014

Research Achievements

Field of Study

    Measurement engineering, Electromagnetism non-destructive testing

Research content keyword

    3D electromangetic analysis, Flux Leakage Testing, Eddy Current Testing

Research Title

  • Development of non-destructive inspection technique of steel material using electromagnetism phenomenon, In this research, the electromagnetic non-destructive inspection of steel material is studied.In an electromagnetic inspection, the eddy current and nonlinear magnetic flux are generated in steel materials.At this laboratory, both the nonlinear magnetic field analysis of the three dimension finite element method and the verification experiment are conducted., 1998
  • Development of non-destructive inspection technique of steel material using electromagnetism phenomenon, In this research, the electromagnetic non-destructive inspection of steel material is studied.In an electromagnetic inspection, the eddy current and nonlinear magnetic flux are generated in steel materials.At this laboratory, both the nonlinear magnetic field analysis of the three dimension finite element method and the verification experiment are conducted.

Papers

  • 1997, 電気学会論文誌A, 1997
  • 1997, 非破壊検査, 1997
  • 1999, 非破壊検査, 1999
  • 2001, 非破壊検査, 2001
  • 2001, 非破壊検査, 2001
  • 2002, 非破壊検査, 2002
  • 2002, 電気学会論文誌A, 2002
  • 2002, 3-D nonlinear eddy current analysis of factors affecting evaluation of alternating flux leakage testing, International Journal of Applied Electromagnetics and Mechanics, 2002
  • 2002, 3-D nonlinear eddy current analysis of alternating flux leakage testing -analysis of one crack and two cracks-, IEEE Transactions on Magnetics, 2002
  • 2002, 非破壊検査, 2002
  • 2003, 電気学会論文誌D, 2003
  • 2003, Study on problems in detecting plural cracks by alternating flux leakage testing using 3-D nonlinear eddy current analysis, IEEE Transactions on Magnetics, 2003
  • 2004, Proposal of detecting method of plural cracks and their depth by alternating flux leakage testing –3-D nonlinear eddy current analysis and experiment-, IEEE Transactions on Magnetics, 2004
  • 2004, Examination of electromagnetic inspection of surface hardness –3-D nonlinear FEM analysis considering non-uniform permeability and conductivity–, IEEE Transactions on Magnetics, 2004
  • 2005, Electromagnetic non-destructive testing of rust region in steel, IEEE Transactions on Magnetic, 2005
  • 2005, Detection of plural cracks in steel using horizontal coils –3D FEM analysis considering hysteresis and non-uniformity of steel –, 電気学会論文誌A, 2005
  • 2006, Proposal of Detecting Method of Outer Side Crack by Alternating Flux Leakage Testing using 3-D Non-Linear FEM, IEEE Transactions on Magnetics, 2006
  • 2006, Magnetic Non-destructive Inspection of Retained Austenite in Cast Iron, IEEE Transactions on Magnetics, 2006
  • 2007, 3D FEM Analysis of Electromagnetic Inspection of Outer Side Defects on Steel Tube using Inner Coil, IEEE Transactions on Magnetics, 2007
  • 2007, Measurement of Thickness of Nickel-Layer on Steel using Electromagnetic Method, IEEE Transactions on Magnetics, 2007
  • 2007, 電気学会誌, 2007
  • 2008, Evaluation of Detecting Method With AC and DC Excitations of Opposite-Side Defect in Steel Using 3-D Nonlinear FEM Taking the Minor Loop Into Account, IEEE Transactions on Magnetics, 2008
  • 2008, 3D Nonlinear Finite Element Analysis of Electromagnetic Inspection of Defects in Steel, Electromagnetic Nondestructive Evaluation, 2008
  • 2009, Verification of Measurement Method of Current Distribution in Polymer Electrolyte Fuel Cells, The Electrochemical Society Transaction, 2009
  • 2009, Electromagnetic inspection method of outer side defect on small and thick steel tube using both ac and dc magnetic fields., IEEE Transactions on Magnetics, 2009
  • 2010, Evaluation of Electromagnetic Inspection of Hardened Depth of Spheroidal Graphite Cast Iron using 3-D Nonlinear FEM, IEEE Transactions on Magnetics, 2010
  • 2010, Electromagnetic Inspection of Outer Side Defect on Steel Tube with Steel Support using 3D Nonlinear FEM Considering Non-Uniform Permeability and Conductivity, IEEE Transactions on Magnetics, 2010
  • 2010, Examination of Electromagnetic Inspection of Retained Austenite in the High Chromium Cast Iron- 3-D Nonlinear FEM Analysis Considering Non-Uniform Permeability -, IEEE Transactions on Magnetics, 2010
  • 2011, Electromagnetic Inspection Technique of Thickness of Nickel-Layer on Steel Plate without Influence of Lift-Off Between Steel and Inspection Probe, IEEE Transactions on Magnetics, 2011
  • 2011, Proposal of Electromagnetic Inspection Method of Outer Side Defect on Steel Tube with Steel Support Plate using Optimal Differential Search Coils, IEEE Transactions on Magnetics, 2011
  • 2011, 非破壊検査, 2011
  • 2011, Electromagnetic Inspection Method of Slack of High Tension Bolt, IEEE Transactions on Magnetics, 2011
  • 2011, Proposal of Electromagnetic Inspection Method of Hardened Depth of Steel using 3-D Nonlinear FEM Taking Account of Hysteresis, IEEE Transactions on Magnetics, 2011
  • 2012, Measurement Technique of Distribution of Power Generation Current Using Static Magnetic Field around Polymer Electrolyte Fuel Cell by 3D Inverse Problem FEM, Materials Transactions, 2012
  • 2012, 鋳造工学, 2012
  • 2012, 非破壊検査, 2012
  • 2013, Proposed Non-Contact Inspection Method of Tip Position of Nasogastric Tube using Static Magnetic Field, 非破壊検査(掲載決定), 2013
  • 2013, Proposal of Electromagnetic Inspection Method of Tensile Strength in Steel Without Influence of Lift-Off Between Steel and Inspection Probe, IEEE Transactions on Magnetics, 2013
  • 2013, Evaluation of Electromagnetic Measuring Technique of Tip Position of Nasogastric Tube using Evolution Strategy, IEEE Transactions on Magnetics, 2014
  • 2014, Analysis of Electromagnetic Inspection Method of Opposite Side Carburization Depth in Steel Plate Taking Account of Minor Loop, IEEE Transactions on Magnetics, 2014
  • 2014, Non-destructive inspection of ferromagnetic pipes based on the discrete Fourier coefficients of magnetic flux leakage, Journal of Applied Physic, 2014
  • 2014, Application of Minimum Variance Beamformer for Estimation of Tip Position of a Nasogastric Tube, IEEE Transactions on Magnetics, 2014
  • 2014, Evaluation of Electromagnetic Inspection of Outer Side Defect on Small Diameter and Thick Steel Tube with Steel Support using 3D Nonlinear FEM, IEEE Transactions on Magnetics, 2014
  • Phenomenon Elucidation of Mutual Induction Type Eddy Current Testing Consisting of Cube Exiting Coil and Spiral Thin Search Coil, 計測自動制御学会論文集, 2015
  • Proposal of Non-contacting Inspection Method of Tip Position of Nasogastric Tube Using Alternating Magnetic Field, 計測自動制御学会論文集, 2015
  • 2015, Evaluation of Generation Current inside Membrane Electrode Assembly in Polymer Electrolyte Fuel Cell using Static Magnetic Field around Fuel Cell, ECS Transactions, 2015
  • 2015, Improving Estimation Accuracy of Nasogastric Tube Tip Position Using Predata, IEEE Transactions on Magnetics, 2015
  • 2016, Examination of non-contacting measurement method of power generation current inside single polymer electrolyte cell using simulated annealing, ECS Transactions, 2016
  • 2016, Estimation of localized current anomalies in polymer electrolyte fuel cells from magnetic flux density measurements, Applied Physics Reviews, 2016
  • 2016, Proposal of slack inspection method of high tension bolt of hexagon head using alternating magnetic field, International Journal of Applied Electromagnetics and Mechanics, 2016
  • Examination of Inspecting Method of Opposite Side Defect in Steel Plate using AC and DC Magnetic Field, International Journal of Applied Electromagnetics and Mechanics, 2016
  • 2016, 鋳造工学, 2016
  • 2016, 計測自動制御学会論文集, 2016
  • 2016, 非破壊検査, 2016
  • 2016, 計測自動制御学会論文集, 2016
  • Nondestructive Testing Method Using Synthetic Magnetic Field of Large Static and Small Alternating Magnetic Field for Detecting Opposite Side Flaws in Spheroidal Graphite Cast Iron, 鋳造工学, 2017
  • 2017, Proposal of Electromagnetic Inspection of Opposite Side Defect in Steel using 3-D Nonlinear FEM Taking Account of Minor loop and Residual Magnetism, IEEE Transactions on Magnetics, 2017
  • 2017, Slack Inspection Method of High Tension Bolt using Electromagnetic Field without Influence of Lift-off Between Bolt Head and Inspection Sensor, IEEE Transactions on Magnetics, 2017
  • 2018, Testing Method of Opposite Side Defects in Spheroidal Graphite Cast Iron Plate Using Square Wave Magnetic Field with DC Bias, 鋳造工学, 2018
  • 2017, A Gastric Tube Monitoring System for Clinical Applications, IEEE Transactions on Magnetics, 2017
  • 2017, Proposal of Thickness Measurement Method of Steel Plate with High Lift-Off using Pulsed Magnetic Field, IEEE Transactions on Magnetics, 2017
  • 2017, 燃料電池, 2017
  • 2018, Proposal of Evaluation Method of Power Generation Current and Defect inside MEA By Inverse Problem Analysis Using Static Magnetic Field Around PEFC, ECS Transactions, 2018
  • 2018, Detection Method of Defect in PEFC using Magnetic Sensor, ECS Transactions, 2018
  • 2018, Improving Tip Position Estimation Performance of Gastric Tube by Compensating Geomagnetic Field with Offset Coils, IEEE Transactions on Magnetics, 2018
  • 2018, Detecting Method of Hardened Depth in Surface Hardened Steel by Magnetic Field on Steel, IEEE Transactions on Magnetics, 2018
  • 2018, Electromagnetic Inspection for Detecting Defect of Underground Part of Road Sign Pillar, IEEE Transactions on Magnetics, 2018
  • 2018, Level set method-based identification of locations and shapes of fuel cell defects, SICE Journal of Control, Measurement, and System Integration, 2018
  • 2018, Electromagnetic Inspection Method of Carburization Depth Inside and Outside of Heating Furnace Steel Tube, International Journal of Applied Electromagnetics and Mechanics, 2019
  • 2018, Proposal of Evaluation Method of Opposite Side Depth on Steel Plate Using Magnetic Field of Square Wave on Direct Current Bias, International Journal of Applied Electromagnetics and Mechanics, 2019

Books

  • 2009, Magnetic Particle Testing, (社)日本非破壊検査協会, 2009

Industrial Property

  • 2016
  • 2010
  • 2016, Quenching depth measurement method and quenching depth measurement apparatus
  • 2017

Prizes

  • Excellent paper announcement prize, The Japan Society of Applied Electromagnetics and Mechanics, 1997
  • Excellent paper announcement prize award, The Japan Society for Non-Destructive Inspection, 2000
  • Research encouragement prize, The Society for Practical Technology Education, 2005
  • Institute of Electrical Engineers of Japan paper announcement prize B award, Institute of Electrical Engineers of Japan, 2006
  • Service prize award, Kurume National College of Technology, 2006
  • The Japan Society for Non-Destructive Inspection, May 2010
  • The Japan Society for Non-Destructive Inspection, May 2012

Learned Societies to Belong

  • Institute of Electrical Engineers of Japan
  • The Japanese Society for Non-Destructive Inspection
  • The Japan Society of Applied Electromagnetics and Mechanics
  • The Society for Practical Technology Education
  • Japan Foundry Engineering Society
  • Compumag Society

Grant-in-aid for Scientific Research

  • The electromagnetism non-destructive test of the steel pipe external surface defect in a power generation plant with an inner coil, two years
  • Research on current distribution the non-contacting measurement within a fuel cell electrode side, two years
  • Three years
  • Three years
  • five years
  • Three years
  • Three years

Collaborative Research and Sponsored Research

  • 2007, 原子力発電の二次系鋼管や熱交換器内の伝熱鋼管外面欠陥検査手法の開発
  • 2008, 電磁現象を利用した原子力発電プラント内における鋼管減肉検査手法の開発
  • 2009, 直流磁界と微小交流磁界を併用した原子力発電プラント状態監視検査
  • 2009, 固体高分子形燃料電池内部における発電電流分布の非接触測定法
  • 2009, 焼入れ鋼材の焼入れ深さ測定手法に関する研究
  • 2009, 電磁ボルト軸力計の研究に対する研究
  • 2009, 空間磁界及び逆問題的解析を併用した固体高分子形燃料電池内部の発電電流分布非接触測定法の開発
  • 2013, 高周波焼入れ後のシャフトの傷の漏洩磁束探傷法による検出の研究
  • 2013, 太陽電池パネルにおいて、磁力誘電を利用した電流測定の研究

Social Contribution

Social Activities

  • 2008, Manager, Surface inspection subcommittee, The Japanese Society for Non-Destructive Inspection
  • 2009, Manager, Surface inspection subcommittee, The Japanese Society for Non-Destructive Inspection
  • 2010, Manager, Surface inspection subcommittee, The Japanese Society for Non-Destructive Inspection
  • 2011, Manager, Applied Electromagnetic inspection, The Japanese Society for Non-Destructive Inspection
  • 2012, Manager, Applied Electromagnetic inspection, The Japanese Society for Non-Destructive Inspection
  • 2013, Manager, Applied Electromagnetic inspection, The Japanese Society for Non-Destructive Inspection


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