Wednesday, February 25, 2009

Curriculum Vitae

Issarachai Ngamroo, PhD
Associate Professor

Educations

  • B.Eng (Electrical Engineering), King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand, 1992
  • M.Eng (Electrical Engineering), Osaka University, Osaka, Japan, 1997
  • PhD (Electrical Engineering), Osaka University, Osaka, Japan, 2000

Work Address

Department of Electrical Engineering, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand Tel. (02) 326-4550 Fax (02) 326-4550

Work Experiences

  • Apr. 1997 – Mar. 2000: Teaching Assistant and Research Assistant, Department of Electrical Engineering and Superconductivity Center, Osaka University, Japan
  • May 2000 – Jan. 2001: Lecturer of Electrical Engineering, Sirindhorn International Institute of Technology (SIIT), Thammasat University (TU), Pathumthani, Thailand
  • Feb. 2001 – Dec. 2003: Assistant Professor of Electrical Engineering, SIIT,TU
  • Jan. 2004 – Oct. 2006: Associate Professor of Electrical Engineering, SIIT,TU
  • Dec. 2006 – Present: Associate Professor, Department of Electrical Engineering, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Research Areas

  • Power system stability, dynamic & control
  • Robust control application to power system stabilization
  • Wide area monitoring system based on synchronized phasor measurement units

Professional Activities and Social Services

  • Executive Committee Member, Power Engineering Society, IEEE Thailand
  • External Examiner Committee for Graduate Study, Asian Institute of Technology, Chulalongkorn University
  • Editor, Ladkrabang Engineering Journal, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang
  • Associate Editor, ECTI Transactions on Electrical Engineering, Electronics, and Communications, ECTI Association
  • Reviewer, International Journals

- International Journals of Electric Power Systems Research

- International Journal of Electrical Power and Energy Systems

  • Technical Program Committee, International Conferences

- The 2nd IEEE Conference on Industrial Electronics and Applications (ICIEA 2007), May 23-25, 2007, Harbin, China.

- The 3rd IASTED Asian Conference on Power and Energy System (AsiaPES 2007), April 2-4, 2007, Phuket, Thailand.

- The 7th WSEAS International Conference on Power Systems (PE 2007), September 15 – 17, 2007, Beijing, China.

- The 3rd IASME/WSEAS International Conference on the Energy, Environment, Ecosystems, Sustainable Development (EEESD’07), July 24 – 26, 2007, Agios Nikolaos, Crete Island, Greece.

- The 4th IASTED Asian Conference on Power and Energy System (AsiaPES 2008), April 2-4, 2008, Langkawi, Malaysia

- The 8th IASTED International Conference on Power and Energy System (EuroPES 2008), June 23-25, 2008, Corfu, Greece.

- The 9th IASTED International Conference on Power and Energy System (EuroPES 2009), September 7-9, 2009, Palma de Mallorca, Spain

Scholarships, Research Funds and Awards

· Japanese Governmental Scholarship (MONBUSHO), Oct. 1993 – Mar. 2000

· Post-Doctoral Research Grant no. PDF/71/2544, Research Project: “Robust discrete control design of static synchronous series compensator (SSSC) for stabilization of frequency oscillations in an interconnected power system”, funded by the Thailand Research Fund, Jul. 2001 – Jun. 2003

· Research Career Development Grant (TRF Research Scholar) no. RSA4780015, Research Project: “On line monitoring of wide area dynamics between central and southern regions of Thailand power system via synchronized phasor measurement units”, funded by the Thailand Research Fund, Sept. 2004 – Aug.2006

· 12th Thailand Toray Science Foundation (TTSF) Research Grant, Research Project: “Monitoring of power system dynamics between central and northern areas based on phasor measurement units via demand side outlets”, Feb. 2006 – Jan.2007

· Best paper award in Electrical Power Engineering, 29th Electrical Engineering Conference (EECON29) 9-10 November 2006, Paper: “PMU based monitoring of inter-area oscillation in Thailand power system via home power outlets”

· Basic Research Grant (TRF Advanced Research Scholar) no. BRG 5080019, Project Title: “Robust stabilization of deregulated power systems considering adverse effects of renewable energy sources by controllable distributed generations”, August 2007 – July 2010, funded by the Thailand Research Fund.

· Industry Development Research Grant no. IUG 5080015, Project Title: “Development of finite element software prototype for analyzing of resonance problem in hard disk drive component”, October 2007- September 2009, funded by the Thailand Research Fund.

· AUN/SEED-Net Cooperative Research Grant Support, Research Project Title: Design of robust power system damping controller using genetic algorithm-based fixed-structure H∞ loop shaping control, Japanese co-investigator: Professor Tadahiro Goda, Kyushu University, June 2007- March 2009, funded by the AUN/SEED-Net, JICA.

· Center of Excellence for Innovative Energy Systems, Feb 2009 – Jan 2014, funded by the KMITL Research Fund.

List of Publications

A. International Journals

1. I. Ngamroo, Cuk Supriyadi A. N., S. Dechanupaprittha and Y. Mitani (2009). Power oscillation suppression by robust SMES in power system with large wind power penetration. Physica C: Superconductivity and Its Applications, Volume 469, Issue 1, 1 January 2009, pp. 44-51.

2. S. Dechanupaprittha, N. Sakamoto, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2009). Design and analysis of robust SMES controller for stability enhancement of interconnected power system taking coil size into consideration. IEEE Transactions on Applied Superconductivity. (Accepted)

3. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani, and I. Ngamroo, (2009). A practical design of power system damping controller for stability enhancement of interconnected power system based on synchronized phasor measurements. Journal of Electrical Engineering & Technology. (Accepted)

4. Cuk Supriyadi A.N. and I. Ngamroo (2008). Parameters tuning of robust power system stabilizer in an interconnected power system with wind power penetrations. Journal of Cybernetics and Systems, Vol.1, No.2, December 2008, pp.83-88.

5. I. Ngamroo, B. Somritvanitcha and K. Hongesombut (2008). Incorporating ObjectStab library and fuzzy logic toolbox for design of power system damping controller. Computer Applications in Engineering Education, Vol. 16, Issue 4, pp. 243 – 255.

6. S. Pothiya and I. Ngamroo (2008). Optimal fuzzy logic-based PID controller for load-frequency control including superconducting magnetic energy storage units. Energy Conversion and Management, Volume 49, Issue 10, October 2008, pp. 2833-2838.

7. S. Pothiya, I. Ngamroo and W. Kongprawechnon (2008). Application of multiple tabu search algorithm to solve the dynamic economic dispatch considering the generator constraints. Energy Conversion and Management, Vol. 49, Issue 4, April 2008, pp. 506-516.

8. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani, and I. Ngamroo, (2008) A practical design of a fuzzy SMES controller based on synchronized phasor measurement for interconnected power systemsใ International Journal of Emerging Electric Power Systems, Vol. 9, Iss. 3, Article 5.

9. N. Voraphonpiput, I. Ngamroo and S. Chatratana (2007) Control system design for a STATCOM using complex transfer function. WSEAS Transactions on Power Systems, Issue 7, Vol. 2, July 2007, pp. 155-161.

10. I. Ngamroo, C. Taeratanachai, S. Dechanupaprittha and Y. Mitani (2007). Enhancement of load frequency stabilization effect of superconducting magnetic energy storage by static synchronous series compensator based on H∞ control. Energy Conversion and Management, Vol. 48, pp. 1302-12.

11. I. Ngamroo, S. Dechanupaprittha, and Y. Mitani (2007). PMU based monitoring of inter-area oscillation in Thailand power system via home power outlets. ECTI Transactions on Electrical Engineering, Electronics, and Communications, Special section on paper selected from EECON29, Vol. 5, No. 2, pp. 199-204.

12. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2007). Stabilization of tie-line power flow by robust SMES controller for interconnected power system with wind farms. IEEE Transactions on Applied Superconductivity, Vol. 17, Issue 2, Part 2, June 2007, pp. 2365-2368.

13. I. Ngamroo, J. Tippayachai and S. Dechanupaprittha (2006). Robust decentralised frequency stabilisers design of static synchronous series compensators by taking system uncertainties into consideration. International Journal of Electrical Power and Energy Systems. Vol. 28, pp. 513-524.

14. I. Ngamroo (2006). Dynamic compensation observer-based sliding mode stabilizer design for wind turbine generator. WSEAS Transactions on Systems. Issue 12, Vol. 5, pp. 2751-2758.

15. S. Pothiya, I. Ngamroo, S. Runggeratigul and P. Tantasawas (2006). Design of optimal fuzzy logic based PI controller using multiple tabu search algorithm for load frequency control. International Journal of Control, Automation, and Systems, Special Issue on Intelligent Control. Vol. 4, pp.155-164.

16. C. Taeratanachai and I. Ngamroo (2006) Robust frequency stabilization of isolated wind diesel hybrid power systems using H∞ control. WSEAS Transactions on Power Systems. Issue 6, Vol. 1, pp.1014-1021.

17. B. Somritvanitcha, I. Ngamroo and K. Hongesombut (2006). An incorporated use of fuzzy logic toolbox and modelica library to design SSSC damping controller. ECTI Transactions on Computer and Information Technology, Special Section on Papers Selected from ECTI-CON 2006.

18. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2006). A heuristic-based design of robust SMES controller taking system uncertainties into consideration. IEEJ Transactions on Electrical and Electronic Engineering, Vol. 1, Issue 3, pp. 255-267.

19. S. Dechanupaprittha, Komsan Hongesombut, Y. Mitani and I. Ngamroo (2006). Frequency stabilization of interconnected power system with wind farms by controllable distributed generator. Journal of The Institution of Engineers, Singapore, Special Issue IPEC2005. No. 8.

20. I. Ngamroo (2005). Robust decentralized frequency stabilizers design for SMES taking into consideration system uncertainties. Electric Power Systems Research. Vol. 74, No. 2, pp. 281-292.

21. I. Ngamroo (2005). Robust frequency stabilisation by coordinated SMES with SSSC. International Journal of Emerging Electric Power Systems. Vol. 3, No. 1, Article 1031.

22. I. Ngamroo (2005). An optimization technique of robust load frequency stabilizers for SMES. Energy Conversion and Management. Vol. 46, pp.3060-3090.

23. I. Ngamroo and S. Dechanupaprittha (2005). Robust decentralized design of power system stabilizers considering system uncertainties. Optimal Control Applications and Methods, Vol. 26, pp. 35-53.

24. C. Vorakulpipat, M. Leelajindakrirerk and I. Ngamroo (2005). Robust decentralized design of H¥-based frequency stabilizer of SMES. International Energy Journal, Vol. 6, No. 1, pp. 59-70.

25. W. Ongsakul, S. Dechanupaprittha and I. Ngamroo (2004). Constrained economic dispatch by deterministic tabu search approach. European Transactions on Electrical Power, Vol. 14, pp. 377-391.

26. W. Ongsakul, S. Dechanupaprittha and I. Ngamroo (2004). Parallel tabu search for constrained economic dispatch. IEE Proceedings, Generation, Transmission and Distribution, Vol. 151,pp.157-166.

27. I. Ngamroo and W. Kongprawechnon (2003). A robust controller design of SSSC for stabilization of frequency oscillations. Electric Power Systems Research, Vol. 67, No. 3, pp. 161-176.

28. I. Ngamroo (2002). A stabilization of frequency oscillation in a parallel AC-DC interconnected power system via an HVDC link. ScienceAsia, Vol. 28, No. 2, pp. 173-180.

29. J. Tippayachai, W. Ongsakul and I. Ngamroo (2002). Parallel micro genetic algorithm for constrained economic dispatch. IEEE Transactions on Power Systems, Vol. 17, No. 3, pp. 790 -797.

30. I. Ngamroo, Y. Mitani and K. Tsuji (2000). Application of solid-state phase shifter to stabilization of system frequency in power system. Electrical Engineering in Japan, Vol. 132, pp.19-29.

31. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Application of SMES coordinated with solid-state phase shifter to LFC. IEEE Transactions on Applied Superconductivity, Vol. 9, pp. 322-325.

32. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Robust frequency stabilization controller design of solid-state phase shifter using H¥ control via normalized coprime factorization approach. IEEJ Transactions on Power and Energy, Vol.119-B, No.12, pp.1437-1445.

33. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Application of solid-state phase shifter to stabilization of system frequency power system. IEEJ Transactions on Power and Energy, Vol.119-B, pp.901- 908.

B. International Conferences

1. C. S. Ali Nandar, I. Ngamroo, S. Kaitwanidvilai, A. Kunakorn, T. Hashiguchi and T. Goda (2008). Design of robust power system stabilizer using genetic algorithm-based fixed- structure H∞ loop shaping control. Proceedings of The 17th World Congress of International Federation of Automatic Control (IFAC2008), 6-11 July 2008, Seoul, Korea, Paper ThA1.55, pp.11086-11091.

2. C. S. Ali Nandar, I. Ngamroo, S. Kaitwanidvilai, A. Kunakorn, T. Hashiguchi and T. Goda (2008). Robust pitch controller design in hybrid wind-diesel power generation system. Proceedings of The 3rd International Conference on Industrial Electronics and Applications (ICIEA2008), 3-5 June 2008, Singapore, Paper Conf130a461, pp. 1054-1059.

3. C. S. Ali Nandar, I. Ngamroo, A. Kunakorn, S. Dechanupaprittha, M.Watanabe, Y. Mitani, T. Hashiguchi and T. Goda (2008). Inverse additive perturbation-based optimization of robust PSS in an interconnected power system with wind farms. Proceedings of SICE Annual Conference 2008, International Conference on Instrumentation, Control and Information Technology, 20-22 August, Tokyo, Japan, pp.237-240.

4. C. S. Ali Nandar, I. Ngamroo, S. Kaitwanidvilai, A. Kunakorn, T. Hashiguchi and T. Goda (2008). H∞ loop shaping-based robust control design of PSS and TCSC for dynamic stability enhancement. Proceedings of The 2008 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2008), 14-17 May 2008, Krabi, Thailand, Vol. 2, pp.965-968.

5. S. Vachirasricirikul, I. Ngamroo and S. Kaitwanidvilai (2008). Design of robust SVC for voltage control in an isolated wind–diesel hybrid power system. Proceedings of The 2008 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2008), 14-17 May 2008, Krabi, Thailand, Vol. 2, pp.1053-1056.

6. S. Dechanupaprittha, N. Sakamoto, K. Hongesombut, M. Watanabe, Y. Mitani and I.Ngamroo (2008). Design and analysis of robust SMES controller for stability enhancement of interconnected power system taking coil size into consideration. Proceedings of Applied Superconductivity Conference 2008 (ASC 2008), 17-22 August 2008, Chicago, USA, Paper No. 3LPE04.

7. S. Dechanupaprittha, C. Li, M. Watanabe, Y. Mitani, K. Hongesombut and I. Ngamroo (2008). A practical approach to tuning of SMES controller based on synchronized phasor measurements for interconnected power systems with wind farms. Proceedings of International Conference on Sustainable Energy Technologies (ICSET 2008), 24-27 November 2008, Singapore, pp. 1161-1166.

8. C.S. Ali Nandar, I. Ngamroo, S. Dechanupaprittha, M. Watanabe, Y. Mitani (2008). Wide area robust power system stabilizer design based on synchronized phasor measurement units.Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 4-5 November 2008, Bangkok, Thailand, pp.1-6.

9. C. S. Ali Nandar, I. Ngamroo, S. Dechanupaprittha, M. Watanabe, Y. Mitani (2008). Suppression of tie-line power oscillation using robust SMES controller in interconnected power systems with wind farms. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 4-5 November 2008, Bangkok, Thailand, pp.7-12.

10. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani, I. Ngamroo (2008). Metaheuristic-based robust controller design of distributed energy resources for stabilization of interconnected power system based on synchronized phasor measurements. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 4-5 November 2008, Bangkok, Thailand, pp.25-31.

11. A. Sanethon, S. Kanprachar, S. Kaitwanidvilai, A. Kunakorn and I. Ngamroo (2008). A new edge detection technique for an automatic visual inspection system using genetic algorithms. Proceedings of 2008 IEEE International Conference on Robotics and Biomimetics (IEEE ROBIO 2008) 14-17 December 2008, Bangkok, Thailand. (Accepted for presentation)

12. I. Ngamroo , P. Lappanakul, N. Voraphonpiput, S. Dechanupaprittha, Y. Mitani and J. Sakulrat (2007). Dynamic event analysis using synchronized PMUs via 220 V wall outlets. Proceedings of The 8th International Power Engineering Conference (IPEC2007), 3-6 December 2007, pp. 1177-1182, Singapore.

13. S. Pothiaya, I. Ngamroo, W. Kongprawechnon (2007). Design of optimal fuzzy logic-based PID controller using multiple tabu search algorithm for AGC including SMES units. Proceedings of The 8th International Power Engineering Conference (IPEC2007), 3-6 December 2007, pp. 1183-1188 Singapore.

14. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2007). “A practical design of fuzzy SMES controller based on synchronized phasor measurement for interconnected power system. Proceedings of The 8th International Power Engineering Conference (IPEC2007), 3-6 December 2007, pp. 113-118, Singapore.

15. C. S. Ali Nandar, I. Ngamroo, S. Kaitwanidvilai, A. Kunakorn, T. Hashiguchi and T. Goda (2007). Robust power system stabilizer design based on genetic algorithm-fixed-structure H∞ loop shaping control. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 19-20 November 2007, Bangkok, Thailand, pp.7-12.

16. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2007). Coordinated design of power system damping controllers for stability enhancement of multi-area power system based on wide-area synchronized phasor measurements. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 19-20 November 2007, Bangkok, Thailand, pp.19-24.

17. M. Luengcharuthon, I. Ngamroo, S. Dechanupaprittha, M. Watanabe and Y. Mitani (2007). Synchronized phasor measurement units based-wide area monitoring system in Thailand power network via 220 V wall outlets. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 19-20 November 2007, Bangkok, Thailand, pp.25-30.

18. M. Watanabe, K. Higuma, Y. Mitani and I. Ngamroo (2007). Analyses of power system dynamics in Southeast Asia power network based on multiple synchronized phasor measurements. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 19-20 November 2007, Bangkok, Thailand, pp.37-42.

19. M. Hojo, Y. Mitani, H. Ukai, O. Saeki and I. Ngamroo (2007). A study on behaviors of phase differences and frequency deviations in Thailand power system by wide area phasor measurement system. Proceedings of IEEJ-IET Joint Symposium on Advanced Technology in Power Systems, 19-20 November 2007, Bangkok, Thailand, pp.43-46.

20. I. Ngamroo, A. Kunakorn, M. Leelajindakrirerk, Y. Mitani, S. Dechanupapritta, M. Watanabe, T. Hashiguchi, Y. Ota, H. Ukai, J. Sakulrat, A. Sode-Yome, T. Tanasaksiri (2007). Analysis of power system event using synchronized PMUs in Thailand power network. Proceedings of 3rd IASTED Asian Conference on Power and Energy Systems (AsiaPES 2007), special session on application of phasor measurement unit to monitoring wide area power system dynamics, 2-4 April, 2007, Phuket, Thailand, Paper No. 560-817.

21. K. Higuma, S. Dechanupaprittha, H. Morimoto, M. Watanabe, Y. Mitani and I. Ngamroo (2007). Test results of evaluating eigen-characteristics of interarea power swing mode derived from PMU data in Thailand system. Proceedings of 3rd IASTED Asian Conference on Power and Energy Systems (AsiaPES 2007), special session on application of phasor measurement unit to monitoring wide area power system dynamics, 2-4 April, 2007, Phuket, Thailand, Paper No. 560-816.

22. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2007). Practical design of SMES controller for improving power system stability based on wide area synchronized phasor measurement. Proceedings of 3rd IASTED Asian Conference on Power and Energy Systems (AsiaPES 2007), special session on application of phasor measurement unit to monitoring wide area power system dynamics, 2-4 April, 2007, Phuket, Thailand, Paper No. 560-819.

23. N. Voraphonpiput, I. Ngamroo and S. Chatratana (2007). Control system design for a STATCOM using complex transfer function. Proceedings of the 7th WSEAS International Conference on Instrumentation, Measurement, Circuits and Systems (IMCAS ’07), 15-17 April 2007, Hangzhou, China, Paper No. 560-225.

24. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani, and I. Ngamroo (2007). Design of SMES controller for improving stabilization of interconnected power system based on synchronized phasor measurement. Proceedings of IEEE Lausanne Power Tech 2007 Conference (Power Tech 2007), 1-5 July 2007, Lausanne, Switzerland, Paper No. 471.

25. K. Higuma, S. Dechanupaprittha, M. Watanabe, Y. Mitani, I. Ngamroo (2007). Analysis of power system stability derived from PMU data using demand side outlets in Thailand power system. Proceedings of The International Conference on Electrical Engineering 2007 (ICEE 2007), 8-12 July 2007, Hong Kong, Paper ICEE-278.

26. I. Ngamroo, Y. Mitani, S. Dechanupaprittha, K. Hongesombut, P. Jintakosonwit, Y. Ota, H. Ukai, J. Sakulrat, A. Sode-yome, M. Watanabe (2006). Detection of power system oscillations using synchronized phasor measurement units through home power outlets. Proceedings of the 7th IET International Conference on Advances in Power System Control, Operation and Management (APSCOM 2006), 31 October – 2 November 2006, Hong Kong, Paper No. 326.

27. S. Dechanupaprittha, Y. Mitani, M. Watanabe, K. Hongesombut, I. Ngamroo (2006). A heuristic-based design of fuzzy SMES controller for stabilization of interconnected power system. Proceedings of the 7th IET International Conference on Advances in Power System Control, Operation and Management (APSCOM 2006), 31 October – 2 November 2006, Hong Kong, Paper No. 325.

28. I. Ngamroo (2006). Design of sliding mode stabilizer for wind turbine generator using dynamic compensation observer technique. Proceedings of the 6th WSEAS International Conference on Power Systems (PE’06), 22-24 September 2006, Lisbon, Portugal, Paper No. 517-336.

29. S. Dechanupaprittha, M. Watanabe, Y. Mitani, K. Hongesombut and I. Ngamroo (2006). Stabilization of tie-line power flow by robust SMES controller for interconnected power system with wind farms. Proceedings of Applied Superconductivity Conference 2006 (ASC’2006), 27 August – 1 September 2006, Seattle, USA, Paper No. 5LC07.

30. C. Taeratanachai and I. Ngamroo (2006). H∞ based robust frequency stabilization of isolated wind diesel hybrid power systems. Proceedings of 2006 IASME/WSEAS International Conference on the Energy, Environment, Ecosystems, Sustainable Development (EEESD’06), 11-13 July 2006, Athens, Greece, Paper No. 535-294.

31. T. Sansawatt and I. Ngamroo (2006). Sliding mode control design of TCSC for robust power system stabilization using dynamic compensation observer technique. Proceedings of The 41st International Universities Power Engineering Conference (UPEC 2006), 6-8 September 2006, Newcastle, UK, Vol.2, pp. 447-451.

32. B. Somritvanitcha, I. Ngamroo and K. Hongesombut (2006). An incorporated use of fuzzy logic toolbox and modelica library to design of SSSC damping controller. Proceedings of The 2006 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2006), 10-13 May 2006, Ubon Ratchathani, Thailand, Vol. II, pp 745-748.

33. C. Taeratanachai and I. Ngamroo (2006). H∞ based robust frequency stabilization of isolated wind-diesel hybrid power systems. Proceedings of The 2006 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2006), 10-13 May 2006, Ubon Ratchathani, Thailand, Vol. I, pp 271-274.

34. T. Sansawatt and I. Ngamroo (2006). Sliding mode control design of TCSC for enhancement of power system dynamic stability. Proceedings of The 2006 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2006), 10-13 May 2006, Ubon Ratchathani, Thailand, Vol. I, pp 267-270.

35. I. Ngamroo and W. Kongprawechnon (2005). Design of robust frequency stabilizers of superconducting magnetic energy storages. Proceedings of The 5th International Conference on Information, Communications and Signal Processing (ICICS2005), Special Session in Robust Control and Optimal Control, 6 -9 December 2005, Bangkok, Thailand, pp.464-468.

36. I. Ngamroo, S. Dechanupaprittha, K. Hongesombut, Y. Mitani and A. Kunakorn (2005). Design of robust load-frequency stabilizers of SMES in coordination with SSSC. Proceedings of The 7th International Power Engineering Conference (IPEC2005), 29 November – 2 December 2005, Singapore, Paper FN-2.1.

37. S. Dechanupaprittha, K. Hongesombut, Y. Mitani and I. Ngamroo (2005). Frequency stabilization of interconnected power system with wind farms by controllable distributed generator. Proceedings of The 7th International Power Engineering Conference (IPEC2005), 29 November – 2 December 2005, Singapore, Paper TA-4.5.

38. V. Sidejchayabhon and I. Ngamroo (2005). A fuzzy PI-based frequency controller design of SMES.Proceedings of The 2005 Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology International Conference, (ECTI-CON 2005), 12-13 May 2005, Pattaya, Thailand, Vol.1, pp. 40-43.

39. S. Dechanupaprittha, I. Ngamroo and Y. Mitani (2005). Decentralized design of robust power system stabilizers considering system uncertainties. Proceedings of IEEE St. Petersburg Power Tech Conference 2005 (PowerTech 2005), 27-30 June 2005, St. Petersburg, Russia, Paper No. 396.

40. S. Dechanupaprittha, Y. Mitani and I. Ngamroo (2005). Coordinated design of robust PSS and SVC damping controllers in a multimachine power system. Proceedings of The IASTED International Conference on Energy and Power Systems (EPS 2005), 18-20 April 2005, Krabi, Thailand, pp. 323-328.

41. A. Ngaopitakkul, A. Kunakorn and I. Ngamroo (2005). Discrimination between external short circuits and internal faults in transformer windings using discrete wavelet transforms. Proceedings of IEEE Industry Applications Society 40th Annual General Meeting (IEEE IAS 2005), 2-6 October 2005, Hong Kong, Vol. 1, pp. 448-452.

42. S. Dechanupaprittha, K. Hongesombut, M. Watanabe, Y. Mitani and I. Ngamroo (2005). Design of robust SMES controller in a multimachine power system by using hybrid TS/EP. Proceedings of The 15th Power Systems Computation Conference, (PSCC '05), 22-26 August 2005, Liege, Belgium.

43. K. Hongesombut, S. Dechanupaprittha, Y. Mitani and I. Ngamroo (2005). Robust power system stabilizer tuning based on multiobjective design using hierarchical and parallel micro genetic algorithm. Proceedings of The 15th Power Systems Computation Conference, (PSCC '05), 22-26 August 2005, Liege, Belgium.

44. S. Dechanupaprittha, I. Ngamroo, K. Pasupa, J. Tippayachai, K. Hongesombut and Y. Mitani (2004). New heuristic-based design of robust power system stabilizers. Proceedings of 2004 International Conference on Power System Technology (POWERCON 2004), 21-24 November 2004, Singapore, Vol.1, pp.618-623.

45. K. Hongesombut, Y. Mitani, S. Dechanupaprittha, I. Ngamroo, K. Pasupa and J. Tippayachai (2004). Power system stabilizer tuning based on multiobjective design using hierarchical and parallel micro genetic algorithm. Proceedings of 2004 International Conference on Power System Technology (POWERCON 2004), 21-24 November 2004, Singapore, Vol.1, pp. 402-407

46. C. Vorakulpipat, M. Leelajindakrirerk and I. Ngamroo (2004). Robust decentralized design of H∞ based frequency stabilizer of SMES. Proceedings of International Conference on Electric Supply Industry in Transition: Prospects and Issues for Asia, 14-16 January 2004, AIT, Thailand, Vol. 1, pp. 44-56.

47. J. Tippayachai, W. Ongsakul and I. Ngamroo (2003). Non-convex economic dispatch by enhanced tabu search algorithm. Proceedings of 2003 IEEE Power Engineering Society General Meeting, 13-17 July 2003, Toronto, Canada, paper no. 510.

48. S. Dechanupaprittha, A. Patanapakdee and I. Ngamroo (2003). An HVDC-based controller design for stabilization of frequency oscillation. Proceedings of 2003 IEEE International Symposium on Circuits and Systems (ISCAS2003), 25-28 May 2003, Bangkok, Thailand, Vol. 3, pp. 379-382.

49. S. Dechanupaprittha and I. Ngamroo (2002). Design of robust power system stabilizers in a multimachine power system using tabu search algorithm. Proceedings of The 2002 IEEE International Conference on Industrial Technology, (ICIT’02), 11-14 December 2002, Bangkok, Thailand, Vol. 1, pp.291-296.

50. S. Dechanupaprittha and I. Ngamroo (2002). A tabu search algorithm to optimal weight selection in design of robust H∞ power system stabilizer. Proceedings of The 2002 International Technical Conference on Circuits/Systems, Computers and Communications, (ITC-CSCC 2002), 16-19 July 2002, Phuket, Thailand, Vol. 1, pp.486-489.

51. I. Ngamroo (2002). A stabilization frequency oscillations using a power modulation of control of HVDC link in a parallel AC-DC interconnected system. Proceedings of The Power Conversion Conference Osaka 2002, (PCC Osaka 2002), 2-5 April 2002, Osaka, Japan, Vol.3, pp. 1405-1410.

52. I. Ngamroo (2001). Application of static synchronous series compensator to stabilization of frequency oscillations in an interconnected power system. Proceedings of 2001 IEEE International Symposium on Circuits and Systems (ISCAS 2001), 6-9 May 2001, Sydney, Australia, Vol. 2, pp. 113-116.

53. I. Ngamroo (2001). Design of robust H∞ PSS via normalized coprime factorization approach. Proceedings of 2001 IEEE International Symposium on Circuits and Systems (ISCAS 2001), 6-9 May 2001, Sydney, Australia, Vol. 2, pp. 129-132.

54. W. Ongsakul, S. Dechanupaprittha and I. Ngamroo (2001). Tabu search algorithm for constrained economic dispatch. Proceedings of 2001 International Conference on Power Systems, (ICPS 2001), 3-5 September 2001, Wuhan, China, pp. 428-433.

55. I. Ngamroo, Y. Mitani and K. Tsuji (2000). H∞ control via normalized coprime factorization approach for robust frequency stabilization controller design of solid-state phase shifter. Proceedings of IFAC/CIGRE Symposium on Power Plants & Power System Control 2000, 26-29 April 2000, Brussels, Belgium, pp. 241-246.

56. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Application of phase shifter to load frequency control and economic load dispatch in loop interconnected power systems. Proceedings of The 13th Power Systems Computation Conference, (PSCC '99), 28 June – 2 July 1999, Trondheim, Norway, Vol. 2, pp. 1171-1177.

57. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Application of overlapping decompositions to control design of solid-state phase shifter for LFC. Proceedings of The 14th World Congress of International Federation of Automatic Control, (IFAC '99), 5-9 July 1999, Beijing, China, Vol. O, IFAC-7c-05-03, pp. 219-224.

58. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Robust control design of solid-state phase shifter for LFC using H∞ control via normalized coprime factorization approach. Proceedings of The 34th University Power Engineering Conference 1999, (UPEC'99),14-16 September 1999, Lieciester, UK, Vol. 1, pp. 70-73.

59. I. Ngamroo, Y. Mitani and K. Tsuji (1999). Robust load frequency control by solid-state phase shifter based on H∞ control design. Proceedings of IEEE PES Winter Meeting 1999, 31 January – 4 February 1999, New York, USA, Vol. 1, pp. 725-730.

60. I. Ngamroo, Y. Mitani and K. Tsuji (1998). LFC & stabilization of multi-area interconnected power system by decentralized control of SMES and solid-state phase shifters. Proceedings of International Conference on Energy Management and Power Delivery 1998, (EMPD '98), 3-5 March 1998, Singapore, Vol. 1, pp. 85-90.

61. I. Ngamroo, Y. Mitani and K. Tsuji (1998). Coordinated SMES with solid-state phase shifter to load frequency control. Proceedings of Applied Superconductivity Conference 1998 (ASC ’98), 13-18 September 1998, Desert Springs Resort, Palm Desert, California, USA, Abstract No. LDB-04.

62. I. Ngamroo, Y. Mitani and K. Tsuji (1997). Application of super-superconducting magnetic energy storage (SuperSMES) for load frequency control. Proceedings of International Conference on Electrical Engineering 1997, (ICEE '97), 29 July – 1 August 1997, Matsue, Japan, pp. 46-49.

63. D. Kamolyabutra, I. Ngamroo, Y. Mitani and K. Tsuji (1997). Power system stabilizing control scheme for the SMES and solid-state phase shifter (SuperSMES). Proceedings of The IASTED International Conference on High Technology in the Power Industry, 27-30 October 1997, Orlando, Florida, USA, pp. 163-168.

C. Book Chapters

1. S. Kaitwanidvilai, A. Jangwanitlert, I. Ngamroo, W. Khanngern, S. Karnprachar (2009). Fixed structure robust loop shaping controller for a buck-boost converter using evolutionary algorithm. Trends in Communication Technologies and Engineering Science, Series: Lecture Notes in Electrical Engineering (LNEE), Springer. (To be published)

2. I. Ngamroo (2008). Robust load-frequency stabilization by superconducting magnetic energy storage and static synchronous series compensator. Energy Conversion: New Research, Edited by Wenzhong Lín, ISBN: 978-1-60456-263-7, Nova Science Publisher Inc., USA.

3. I. Ngamroo and Y. Mitani (2008). Wide-area monitoring of power system oscillations in Thailand power network using synchronized phasor measurement units via demand side outlets. Electric Power System Research Trends, Edited by Michael C. Schmidt, ISBN: 1-60021-978-0, pp.269-294, Nova Science Publisher Inc., USA.

D. Research Reports

1. Research Project: Robust discrete control design of static synchronous series compensator (SSSC) for stabilization of frequency oscillations in an interconnected power system, Jul. 2001 – Jun. 2003, Post-Doctoral Research Grant no. PDF/71/2544 funded by The Thailand Research Fund.

2. Research Project: On line monitoring of wide area dynamics between central and southern regions of Thailand power system via synchronized phasor measurement units, Sept. 2004 – Aug. 2006 Research Career Development Grant (TRF Research Scholar) no. RSA4780015 funded by the Thailand Research Fund.

3. Research Project Monitoring of power system dynamics between central and northern areas based on phasor measurement units via demand side outlets, Feb. 2006 – Jan.2007, 12th Thailand Toray Science Foundation (TTSF) Research Grant.

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