藤田 吾郎

研究成果

年別の研究成果 1994 1997 2000 2002 2006 2007 2008 2009 2010 2011 2012 2013 2014 2017 2018 2022 2023

• 165 Article
• 86 Conference contribution
• 11 Paper
• 3 Conference article
• 1 その他
  • 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2006

  Countermeasure for Stop Idling Policy for Automobile Power System

  Nishimura, R., Kobayashi, K., Fujita, G. & Fukada, T., 2006 9月 1, In: International Universities Power Engineering Conference (UPEC 2006).

  研究成果: Article › 査読

• Design Consideration and Verification by Experiment of Rotary Frequency Converter

  Takemoto, Y., Fujita, G., Yokoyama, R., Koyanagi, K., Funabashi, T. & Chen, W., 2006 7月 1, In: nternational Conference on Electrical Engineering (ICEE) 2006.

  研究成果: Article › 査読

• Discussion on Operation of FACTS Device Regarding Mode Controllability

  Nakao, S., Fujita, G., Shirai, G., Yokoyama, R. & Chen, W., 2006 7月 1, In: International Conference on Electrical Engineering (ICEE) 2006.

  研究成果: Article › 査読

• Discussion on reduction of power fluctuation by distributed generation in micro grid

  Shinji, T., Sekine, T., Kashiwagi, T., Akisawa, A., Fujita, G. & Matsubara, M., 2006 10月 16, In: IEEJ Transactions on Power and Energy. 126, 1, p. 14-20+2

  研究成果: Article › 査読

  • Distributed power generation 100%
  • Renewable energy resources 79%
  • Gas turbines 34%
  • Wind power 34%
  • Frequency stability 25%
  30 被引用数 (Scopus)

• Electric Licenced Engineer and School Education

  Fujita, G. & Nakamura, A., 2006, In: Journal of the Institute of Electrical Engineers of Japan. 126, 6, p. 382-385 4 p.

  研究成果: Article › 査読

• Evaluation Of Microgrid Supply and Demand Stability for Different Interconnections

  Uno, Y., Fujita, G., Yokoyama, R., Matubara, M., Toyoshima, T. & Tsukui, T., 2006 11月 1, In: First International Power & Energy Conference (PECon 2006).

  研究成果: Article › 査読

• Experimental study on improvement of transient stability with braking resistor

  Iida, S., Imamura, S., Shirai, G. & Fujita, G., 2006 9月 18, In: IEEJ Transactions on Power and Energy. 126, 9, p. 894-900 7 p.

  研究成果: Article › 査読

  • Braking 100%
  • Resistors 96%
  • Electric industry 76%
  • Synchronous generators 54%
  • Power markets 51%

• Simulation and Experimental Researches on Medium-Frequency Power Supply for Magnetron Sputtering

  Chen, W., Rao, Y. & Fujita, G., 2006 8月 1, In: Default journal.

  研究成果: Article › 査読

• Suitable Control and Supply of Micro Grid by Installation of Battery

  Matsubara, M., Fujita, G., Shinji, T., Yamakami, T., Akisawa, A., Kashiwagi, T. & Yokoyama, R., 2006 7月 1, In: International Conference on Electrical Engineering (ICEE) 2006.

  研究成果: Article › 査読

• Various Power Conversion Equipment for Railroad

  Tada, K., Shinoda, K., Kato, Y., Fujita, G. & Hiroyama, N., 2006, In: Journal of the Institute of Electrical Engineers of Japan. 126, 8, p. 550-553 4 p.

  研究成果: Article › 査読
• 2005

  Application of Visualization Method for Power System

  Kajihara, M., Fujita, G., Yokoyama, R., Shirai, G., Koyanagi, K. & Funabashi, T., 2005, In: IEEJ Transactions on Power and Energy. 125, 4, p. 350-356 7 p.

  研究成果: Article › 査読

  • Visualization 100%
  • Reactive power 60%
  • Computer systems 56%
  • Electric potential 33%
  1 被引用数 (Scopus)

• Damping Control of TCSC in Large-Scale Power System

  Nakao, S., Fujita, G. & Shirai, G., 2005 9月 1, In: International Universities Power Engineering Conference (UPEC 2005).

  研究成果: Article › 査読

• Doubly-Fed Rotary Frequency Converter for Power Supply and Demand Control

  Nakamura, A., Ono, T., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2005 9月 1, In: International Universities Power Engineering Conference (UPEC 2005).

  研究成果: Article › 査読

• Oscillation reduction method of shaft torque which is associated with instantaneous voltage drop for private generation system

  Okazaki, A., Fujita, G., Nakano, T., Koyanagi, K., Funabashi, T., Yokoyama, R. & Kakinoki, T., 2005 6月, In: International Energy Journal. 6, 1 PART 1, p. 185-195 11 p.

  研究成果: Article › 査読

  • Torque 100%
  • Electric potential 70%
  • Turbogenerators 37%
  • Torque control 37%
  • Gas turbines 29%

• Overview of Fuel Cell for Power System

  Fujita, G., 2005, In: IEEJ Transactions on Power and Energy. 125, 11, p. 1024-1027 4 p.

  研究成果: Article › 査読

  • Fuel cells 100%
  • Renewable energy resources 89%
  • High temperature operations 79%
  • Solid oxide fuel cells (SOFC) 60%
  • Thermal energy 55%
• 2004

  Approach of OPF Regarding Stability Evaluation and Visualization

  Kajihara, M., Fujita, G., Shirai, G. & Yokoyama, R., 2004 11月 1, In: ICPS2004 (International Conference on Power Systems 2004).

  研究成果: Article › 査読

• Improvement of Load Frequency Control After Deregulation Using Doubly-Fed Rotary Frequency Converter

  Nakamura, A., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2004 11月 1, In: ICPS2004 (International Conference on Power Systems 2004).

  研究成果: Article › 査読

• Improvement of Transient Stability Using Dynamic Braking Resistor and Shunt Capacitor for Various Fault Points

  Imamura, S., Shirai, G., Yokoyama, R. & Fujita, G., 2004 7月 1, In: ICEE 2004 Sapporo.

  研究成果: Article › 査読

• Multi-Machine Power Systems Stabilizing Control Using Output Feedback Excitation System

  Numajiri, T., Shirai, G., Yokoyama, R., Machi, S. & Fujita, G., 2004 1月 1, In: IFAC2004.

  研究成果: Article › 査読

• Power System Stability Improvement Using Doubly-Fed Rotary Frequency Converter

  Nakamura, A., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2004 7月 1, In: ICEE 2004 Sapporo.

  研究成果: Article › 査読

• Shaft torque observer and excitation control for turbine-generator torsional oscillation

  Kakinoki, T., Yokoyama, R., Fujita, G., Koyanagi, K., Funabashi, T. T. & Lee, K. Y., 2004 3月, In: Electric Power Systems Research. 68, 3, p. 248-257 10 p.

  研究成果: Article › 査読

  • Turbogenerators 100%
  • Gas turbines 79%
  • Turbines 70%
  • Torque 66%
  • Measurement errors 46%
  9 被引用数 (Scopus)

• Shaft Torque Observer and Excitation for Turbine - Generator Torsional Oscillation

  Kakinoki, T., Yokoyama, R., Koyanagi, K., Funabashi, T., Lee, K. Y. & Fujita, G., 2004 1月 1, In: Electric Power Systems Research. p. 248-257

  研究成果: Article › 査読

  9 被引用数 (Scopus)
• 2003

  Eigenvalue Analysis in TCSC Design for Oscillation Control

  Yoshihara, S., Shirai, G., Fujita, G. & Yokoyama, R., 2003 9月 1, In: The 3rd IASTED International Conference on Power and Energy Systems.

  研究成果: Article › 査読

• Shaft Torque Estimation Model for Private Generation System

  Kakinoki, T., Yokoyama, R. & Fujita, G., 2003 1月 1, In: IEEJ Transactions on Power and Energy. 123, 5, p. 616-623 8 p.

  研究成果: Article › 査読

  • Torque 100%
  • Turbogenerators 21%
  • Turbines 15%
  • Control systems 11%
  7 被引用数 (Scopus)
• 2002

  Clearing Time Influence of Voltage Sags on Rotating Machine Interfaced Distributed Generator

  Otoguro, H., Funabashi, T., Koyanagi, K., Fujita, G. & Yokoyama, R., 2002 7月 1, In: ICEE 2002 JEJU.

  研究成果: Article › 査読

• Decentralized exciter stabilizing control for multimachine power systems

  Niioka, S., Yokoyama, R., Fujita, G. & Shirai, G., 2002 4月 15, In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 139, 1, p. 35-43 9 p.

  研究成果: Article › 査読

  • Decomposition 100%
  • Electric power system interconnection 89%
  • Feedback 87%
  • Decentralized control 81%
  • Controllers 74%
  1 被引用数 (Scopus)

• Decentralized Excitor Stabilizing Control for Multimachine Power System

  Niioka, S., Yokoyama, R., Shirai, G. & Fujita, G., 2002 1月 1, In: Electrical Engineering in Japan. 139, p. 35-43

  研究成果: Article › 査読

  3 被引用数 (Scopus)

• Frequency Control by Rotary Frequency Converter for Wind Farm in Interconnected Power System

  Fujita, G., Ezaki, K., Nakano, T., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2002 7月 1, In: ICEE 2002 JEJU.

  研究成果: Article › 査読

• Observer-based Excitation Control of Turbine Shaft Oscillation

  Kakiniki, T., Yokoyama, R., Fujita, G., Koyanagi, K. & Funabashi, T., 2002 1月 1, In: IEEE Winter Meeting 2002.

  研究成果: Article › 査読

• PSS Design for Damping of Inter-area Power Oscillations by Coherency-based Equivalent Model

  Leu, C., Ishimaru, M., Yokoyama, R., Koyanagi, K., Funabashi, T. & Fujita, G., 2002 7月 1, In: ICEE 2002 JEJU.

  研究成果: Article › 査読

• Shaft Torque Reduction on In-house Type Generation System under Fluctuation Load

  Kakinoki, T., Yokoyama, R., Fujita, G., Koyanagi, K. & Funabashi, T., 2002 7月 1, In: ICEE 2002 JEJU.

  研究成果: Article › 査読

• Some Topics on Protection and Control of Distributed Resources

  Funabashi, T., Koyanagi, K., Fujita, G. & Yokoyama, R., 2002 11月 1, In: MED 2002.

  研究成果: Article › 査読
• 2001

  A Study on a New Rotary Frequency Converter for Wind Farm Power System

  Komatsu, T., Fujimitsu, M., Koyanagi, K., Funabashi, T., Fujita, G., Furukawa, R. & Yokoyama, R., 2001 7月 1, In: The International Conference on Electrical Engineering 2001 (ICEE2001).

  研究成果: Article › 査読

• Decentralized load frequency based on H_∞ control

  Ishii, T., Shirai, G. & Fujita, G., 2001 8月 1, In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 136, 3, p. 28-38 11 p.

  研究成果: Article › 査読

  • Control theory 100%
  • Control systems 61%
  • Decentralized control 59%
  • Robust control 50%
  • Frequency response 45%
  20 被引用数 (Scopus)

• Decentralized Load Frequency Based on H∞　Control

  T.Ishii, T. I., G.Shirai, G. S., G.Fujita, G. F. & Fujita, G., 2001 3月 1, In: Electrical Engineering in Japan. 36, p. 28-38

  研究成果: Article › 査読

  15 被引用数 (Scopus)

• Shaft Torque Observer for Generator Control

  Kakiniki, T., Yokoyama, R., Fujita, G., Nakano, T., Koyanagi, K., Funabashi, T. & Nara, H., 2001 7月 1, In: The International Conference on Electrical Engineering 2001 (ICEE2001).

  研究成果: Article › 査読

• Visualization of Power System Transient Stability

  Kakinoki, T., Masuyama, Y., Matsumura, T., Nakano, T., Fujita, G. & Yokoyama, R., 2001 7月 1, In: International Conference on Information Technology Based Higher Education and Training 2001 (ITHET2001).

  研究成果: Article › 査読
• 2000

  An Effect of Fault Limiter to Non Utility Generator Shaft Torque Under Voltage Sag

  Funabashi, T., Otoguro, H., Tanabe, T., Fujita, G., Koyanagi, K. & Yokoyama, R., 2000 9月 1, In: University Power Engineering Conference 2000 (UPEC2000).

  研究成果: Article › 査読

• An Influence of Voltage Sag Duration on Non-utility Generator’s Shaft Torque

  Funabashi, T., Otoguro, H., Fujita, G., Koyanagi, K. & Yokoyama, R., 2000 1月 1, In: IEEE PES Winter Meeting 2000.

  研究成果: Article › 査読

• Local Power Flow Based Controller for Large Scale Power System

  Kakinoki, T., Fujita, G., Nakano, T., Goswami, P. K., Yokoyama, R. & Shirai, G., 2000 9月 1, In: University Power Engineering Conference 2000 (UPEC2000).

  研究成果: Article › 査読

• Visualization of Multi-machine System Dynamics

  Kakinoki, T., Shinada, Y., Fujita, G., Nakano, T. & Yokoyama, R., 2000 9月 1, In: University Power Engineering Conference 2000 (UPEC2000).

  研究成果: Article › 査読

• Visualization of subsynchronous Resonance

  Kakinoki, T., Takahashi, K., Fujita, G., Nakano, T. & Yokoyama, R., 2000 7月 1, In: The International Conference on Electrical Engineering2000 (ICEE2K).

  研究成果: Article › 査読
• 1999

  Linear Matrix Inquality Based TCSC Contoroller Considering Load Characterstic

  Ishimaru, M., Shirai, G., Fujita, G. & Yokoyama, R., 1999 8月 1, In: The International Conference on Electrical Engoneering’99(ICEE’99). p. 105-108

  研究成果: Article › 査読

• Performance Assessment on Local Power Flow Based TCSC Contoroller

  Fujita, G., Niioka, S., Yokoyama, R. & Shirai, G., 1999 5月 1, In: International Power Engineering Conference 1999(IPEC’99). p. 236-239

  研究成果: Article › 査読

• Quadrature Booster for Opimistation of Power Flow

  Goswami, P. K., Yokoyama, R. & Fujita, G., 1999 8月 1, In: Budapest PowerTech’99. p. 21-11

  研究成果: Article › 査読

• TCSC Control Based on Linear Matrix Inequality

  Ishimaru, M., Shirai, G., Fujita, G. & Yokoyama, R., 1999 8月 1, In: Budapest PowerTech’99. p. 97-44

  研究成果: Article › 査読
• 1998

  An H-inf based PSS for Multi Machine Stabilization’

  Goswami, P. K., Fujita, G., Yokoyama, R. & Devi, A., 1998 8月 1, In: POWERCON’98.

  研究成果: Article › 査読

• Decentralzed Load Frequency Control Based On H-inf Control with Observer Theory

  Niioka, S., Yokoyama, R., Ishii, T., Shirai, G. & Fujita, G., 1998 7月 1, In: The International Conference on Electrical Engineering’98(ICEE’98). p. 214-217

  研究成果: Article › 査読

• Digital PSS for Multi-machinne Stabillty’

  Goswami, P. K., Fujita, G., Yokoyama, R. & Devi, A., 1998 9月 1, In: Universities Power Engineering Confence’98(UPEC’98). p. 30-32

  研究成果: Article › 査読

• Local Power Flow based Deccentralized TCSC Controller

  Fujita, G., Goswami, P. K. & Yokoyama, R., 1998 8月 1, In: POWERCON’98. p. 353-356

  研究成果: Article › 査読

  1 被引用数 (Scopus)