Keynote, Distinguished, Plenary, Invited Lectures

1. S. K. Mazumder, N. Gajanur, M. Abbaszada, M. Ursino, M. Russel, P. McCluskey, and A. Sarwat, "PV inverter reliability: Some lessons learnt," Invited Presentation, Photovoltaic Reliability Workshop, 2024.
2. S. K. Mazumder and D. Chatterjee, “Advanced power-electronics control for practicing engineers,” Invited Tutorial, IEEE Applied Power Electronics Conference, 2024.
3. S. K. Mazumder and R. Adapa, "State of existing and emerging technology on SST based substation and cyber challenges", Invited Presentation, Industry Session Presentation, IEEE Applied Power Electronics Conference, 2024.
4. S. K. Mazumder and M. Shadmand, " Control architecture and cyber vulnerability of SST systems", Invited Presentation, Industry Session Presentation, IEEE Applied Power Electronics Conference, 2024.
5. J. Balda, S. K. Mazumder, and X. Song, "Hardware design challenges of SST-based substations for cybersecurity at the physical layer," Invited Presentation, Industry Session Presentation, IEEE Applied Power Electronics Conference, 2024.
6. S. K. Mazumder, "Some new innovations in power electronics," Invited Lecture, Indian Institute of Technology Delhi, December 2023.
7. S. K. Mazumder, "Innovations in power-electronic controls, topology, and reliability using multiscale optimality," Keynote Lecture, 11th National Power Electronics Conference, Indian Institute of Technology at Guwahati, December 2023.
8. S. K. Mazumder, "Control of power electronics: From performance to reliability," Keynote Lecture, IEEE Design Methodologies Conference, September 2023.
9. S. K. Mazumder, "An overview of multi-scale device level control in power electronics using electrical and photonic device technologies," Invited Lecture, The Power Electronics and Energy Conversion Workshop, Sandia National Laboratory, August 2023.
10. S. K. Mazumder, "Device centric advanced power-electronics control," Invited Lecture,  IEEE PELS-IES, PES-IAS Delhi Chapter and IEEE Education Society Delhi Chapter, Indian Institute of Technology at Delhi, November 2022.
11. S. K. Mazumder, "Optically controlled power semiconductor devices for smart grid," Keynote Lecture, IEEE Power India International Conference, November 2022.
12. S. K. Mazumder, "Multi-scale control of power electronics at the semiconductor device level," Keynote Lecture, IEEE India Council International Conference, November 2022.
13. S. K. Mazumder, "An overview of utility and mechanisms of photonics for power electronics," Invited Lecture, ARPA-E Workshop: Ultra-Fast-Triggered Semiconductors for Enhanced System Resiliency, October 2022.
14. S.K. Mazumder, “Multi-scale control of power-electronic systems,” Keynote Lecture, IEEE 23rd Workshop on Control and Modeling for Power Electronics​, June 2022.
15. S.K. Mazumder, "DC fast charger using wide-bandgap power electronics for long-range electric vehicles", Invited Presentation, Microchip Technology Inc., March 2022.
16. L. Chang and S.K. Mazumder, "Introduction to power electronic technologies in distributed energy resources," Invited Tutorial, Power America, August 3, 2021. (Presentation)
17. S.K. Mazumder, "Multi-scale control of power electronics", Invited Webinar presentation, IEEE Power Electronics Society, December 2021.
18. S.K. Mazumder, "Control resilience and cybersecurity analytics of power electronics dominated grids", Invited Presentation, IEEE Energy Conversion Congress and Exposition, October 2021.
19. S.K. Mazumder, "Integrated power components and subsystems: Wide-bandgap devices for power-electronic DERs", Invited Presentation, IEEE Energy Conversion Congress and Exposition, October 2021.
20. S.K. Mazumder, "Multi-scale control and modeling of power-electronic systems and networks", Keynote Lecture, The 23^rd European Conference on Power Electronics and Applications (EPE'21), September 2021. (Leading Power Electronics Conference in Europe)
21. S.K. Mazumder, "DC fast charger using wide-bandgap power electronics for long-range electric vehicles", Keynote Lecture, IEEE International Conference on DC Microgrids, July 2021.
22. L. Voss, S.K. Mazumder, R. Nemanich, and R. Grivickas, "WBG and UWBG photoconductive switching", Invited Lecture, IEEE International Symposium on Power Electronics for Distributed Generation Systems, June 2021.
23. S.K. Mazumder, "New innovations in control of power-electronic systems", Keynote Lecture, IEEE International Conference on Electrical and Computer Engineering, December 2020.
24. S.K. Mazumder, “Fast dc battery charger for EVs", Invited Panel Presentation, Panel on Sustainable Mobility Technologies, Vaishwik Bharatiya Vaigyanik Summit (VAIBHAV) Summit, October 8, 2020. ('VAIBHAV Summit' is planned with the Indian Diaspora working in the World's top universities & R&D organisations to strengthen the factors enabling the outcome driven research and education. With Indian roots, global outlook and experience, accomplished scientists, researchers and academicians of Indian descent, around the world can play a vital part in the "AatmaNirbhar Bharat" (self-dependent India) initiative promulgated by the Prime Minister of India.)
25. K. Mazumder, “Differential-mode converters”, Invited Lecture, Special Session on Sustainable Energy Systems and Energy Sustainability, IEEE Energy Conversion Congress and Exposition, 2020.
26. S.K. Mazumder, “Multi-scale control of power-electronic systems”, Keynote Lecture, IEEE Conference on Power Electronics and Renewable Energy, October 2019.
27. S.K. Mazumder, “Multi-scale control of power-electronic systems”, Invited Tutorial, IEEE Energy Conversion Congress and Exposition, 2019.
28. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, Microsoft, Seattle, July 2019.
29. S.K. Mazumder, “Next-generation device- and network-centric control/modeling of power-electronic systems and networks”, Keynote Lecture, IEEE International Symposium on Power Electronics for Distributed Generation Systems, June 2019.
30. S.K. Mazumder, “Fast dc battery charger for EVs: Confluence of advanced power electronics and wide-bandgap devices”, Keynote Lecture, IEEE International Conference on DC Microgrids, May 2019.
31. S.K. Mazumder, “Control of power electronics systems using predictive switching sequences and switching transitions” Keynote Lecture, College of Engineering at Pune, December 2018.
32. S.K. Mazumder, “EV battery supercharger: Confluence of advanced power electronics and next-generation SiC devices“, Invited Presentation, Indian Institute of Technology at Mumbai, December 2018.
33. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, University of Toronto, Canada, October 2018.
34. S.K. Mazumder et al., “Device level control of power electronics systems”, Invited Tutorial, IEEE Industrial Electronics Conference, October 2018.
35. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, University of Arkansas at Fayetteville, USA, October 2018.
36. S.K. Mazumder and D. Chatterjee, “Switching-sequence-based control of a higher-order power-electronic system driving a pulsating load”, Invited Presentation, Office of Naval Research Workshop, University of Michigan at Ann Arbor, September 2018.
37. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, Charlotte, North Carolina, USA, June 2018.
38. S.K. Mazumder, “Wide-bandgap power-electronics technology and controls”, Keynote Lecture, IEEE INDICON, December 2017.
39. S.K. Mazumder, “Device- and network-centric control and modeling of power-electronic systems and networks”, Keynote Lecture, IEEE Southern Power Electronics Conference, December 2017.
40. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, Indian Institute of Technology, Delhi, India, December 2017.
41. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, Indian Institute of Science, Bangalore, India, December 2017.
42. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, University of Santiago, Chile, December 2017.
43. S.K. Mazumder, “Nonlinear analysis of power-electronic systems and networks”, IEEE PELS Distinguished Lecture, Rockford, Illinois, September 2017.
44. S.K. Mazumder, “Emerging challenges in control and modeling of power-electronic systems and networks”, Keynote Lecture, IEEE Symposium on Power Electronics for Distributed Generation Systems, April 2017.
45. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, ABB / North Carolina State University, USA, November 2016.
46. S.K. Mazumder, “Some emerging challenges in control and modeling of power-electronic systems and networks”, Invited Presentation,National Science Foundation Power Electronics Workshop, November 2016.
47. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, National University of Singapore, Singapore, July 2016.
48. S.K. Mazumder, “Control of power electronic systems using predictive switching sequences and switching transitions”, IEEE Power Electronics Society Distinguished Lecture, Vellore Institute of Technology, India, July 2016.
49. S.K. Mazumder, “Control of power electronic systems at the device level”, Keynote Lecture, First IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems, July 2016.
50. S.K. Mazumder, “Need for new approaches to modeling switching power electronics for microgrid and their Impact on new stability analysis and control approaches”, Invited Panel Lecture, IEEE Power Engineering Society General Meeting, July 2016.
51. S.K. Mazumder, “Next generation control of naval power electronics systems”, Invited Presentation, Office of Naval Research Workshop, New Mexico, July 2016.
52. S.K. Mazumder, “Recent breakthroughs in power-electronic controls”, Keynote Lecture, IEEE INDICON, December 2015.
53. S.K. Mazumder, “Differential mode microinverter - a low cost solution for India′s solar energy market”, Keynote Lecture, Central Board of Irrigation and Power (India), December 2015.
54. S.K. Mazumder, “Recent developments in optically-switched wide-bandgap power semiconductor devices”, Invited Presentation, International Conference on Recent Trends in Materials and Devices, December 2015.
55. S.K. Mazumder, Moderator for Townhall Meeting on Advances in SiC and GaN based devices, packaging, and systems comprising Cree, GE, Infineon, GaN Systems, APEI, United Technologies, IEEE Energy Conversion Congress and Exposition, 2015.
56. S.K. Mazumder, “Next generation power electronics, controls, and device technologies for smart/micro grid”, Invited Lecture, Power System Operation Corporation Ltd. (India), December 2015.
57. S.K. Mazumder, “Recent breakthroughs in power-electronic controls: a device perspective and new applications/solutions”, Invited IEEE Seminar Series Presentation, Florida International University, Fall 2015.
58. S.K. Mazumder et al., “Next generation time-domain control of power electronics systems using predictive switching sequences”, Invited Tutorial, IEEE Energy Conversion Congress and Exposition, 2015.
59. S.K. Mazumder, “Switching-sequence and switching-transition based control for power electronics”, Invited Presentation, Tufts University, August 2015.
60. S.K. Mazumder et al.,”Recent breakthroughs in controls for power electronics”, Invited Tutorial, IEEE Applied Power Electronics Conference, 2015.
61. S.K. Mazumder et al.,”Recent breakthroughs in controls for power electronics”, Invited Tutorial, IEEE American Control Conference, 2015.
62. S.K. Mazumder, “Recent breakthroughs in controls of power electronics systems”, Invited Presentation,University of California at San Diego, February 2015.
63. S.K. Mazumder, “Next-generation power electronics, controls, and device technologies for smart/micro grid“, Keynote Lecture, Central Board of Irrigation and Power, premier Government of India Institution, December 2014.
64. S.K. Mazumder, “Next-generation control for power-electronic systems”, Invited Lecture, Delhi Technological University, December 2014.
65. S.K. Mazumder et al., “Control of power-electronics systems: a device perspective”, Invited Tutorial, IEEE International Conference on Power Electronics, Drives, and Energy Systems, 2014.
66. S.K. Mazumder et al., “Control of power electronic systems: a device perspective”, Invited Tutorial, IEEE Conference on Decision and Control, December 2014.
67. S.K. Mazumder and P.R. Kumar, “Microgrid”, Invited Presentation, National Science Foundation Workshop on Energy Cyber Physical Systems, November 2014.
68. S.K. Mazumder et al., “Control of power electronic systems: a device perspective”, Invited Tutorial, IEEE Industrial Electronics Conference, October 2014.
69. L. Chang and S.K. Mazumder, “Grid interconnection standards for distributed resources and microgrids“, Invited Industry Session Presentation, IEEE Applied Power Electronics Conference, 2014.
70. S.K. Mazumder and T. Geyer, “Recent breakthroughs in controls for power electronics”, Invited Tutorial, European Power Electronics Conference, August 2014.
71. S.K. Mazumder, “Energy cyber-physical systems (e-CPS): evolving opportunities and emerging needs”, Invited Presentation, PEEC-NSF Workshop, IEEE Power Engineering Society General Meeting, July 2014.
72. S.K. Mazumder and P.R. Kumar, “Energy cyber-physical systems (e-CPS): evolving opportunities and emerging needs”, National Science Foundation Workshop of Power and Energy Education, July 2014.
73. S.K. Mazumder, “A paradigm shift in power electronics control”, Keynote lecture, ST Microelectronics, May 2014.
74. S.K. Mazumder, “Control of power-electronic systems: a device perspective”, Invited Presentation, Department of Electrical and Computer Engineering, Texas A&M University, February 2014.
75. S.K. Mazumder, “Emerging needs for evolving hybrid cyber-physical energy systems”, Invited Talk, Ninth Annual Carnegie Mellon Conference on the Electricity Industry, Carnegie Mellon University, February 2014.
76. S.K. Mazumder, “Optically-switched wide-bandgap power semiconductor devices and device-transition control”, Plenary Paper, International Workshop on the Physics of Semiconductor Devices, December 2013.
77. S.K. Mazumder, P.R. Kumar, J. Mitra, J. Bentsman, and P. Yu, “Control of energy and information in stationary and mobile power networks”, Plenary Presentation, National Science Foundation hosted National Workshop on Energy Cyber-Physical Systems, December 2013.
78. S.K. Mazumder and P.R. Kumar, “Boolean microgrid: first discrete energy and data transfer based cyber-physical energy system”, Invited Presentation, National Science Foundation Workshop on Energy Cyber Physical Systems, December 2013.
79. S.K. Mazumder, “Switching-sequence and switching-transition based control of power electronic systems”, Invited Lecture, Delhi Technological University, December 2013.
80. S.K. Mazumder, “Robust devices and compact power electronics for next generation energy-storage and power systems”, Invited Presentation, Electrical Energy Storage Applications and Technologies, Department of Energy and Sandia National Laboratory, October 2013.
81. S.K. Mazumder, “Boolean microgrid: a novel concept in cyber-physical systems”, Invited Panel Presentation, IEEE Power Engineering Society General Meeting, July 2013.
82. J. Mitra, S.K. Mazumder, S. Backhaus, and O. Faruque, “A Lyapunov function based remedial action screening tool using real-time data“, Invited DOE Poster Presentation for Advanced Grid Modeling Workshop,Oak Ridge National Laboratory, February 2013.
83. S.K. Mazumder and A. Rahnamaee, “Novel hybrid modulation for high-frequency-link inverters for renewable energy”, Plenary Paper, IEEE India International Conference on Power Electronics, December 2012.
84. S.K. Mazumder, “Novel technologies for next-generation smart grid”, Invited Presentation, National Science Foundation Workshop on Educational issues related to Energy Education and Research, November 2012.
85. S.K. Mazumder, “Nonlinear control and stability of converters and systems”, Invited Tutorial, IEEE Industrial Electronics Conference, November 2012.
86. S.K. Mazumder, “Optically-switched very-high-voltage SiC single-bias high-frequency thyristor for energy-efficient and economic massive grid penetration of renewables and energy storage”, Inaugural Clean Energy Trust Show Case, University of Chicago, October 2012.
87. S.K. Mazumder, A. Agarwal, and D. Grider, “Optically-switched 15-kV SiC Single-Bias High-Frequency Thyristor), Invited Exhibit Presentation, Advanced Research Project Agency- Energy (ARPA-E), February 2012.
88. S.K. Mazumder, “Very-high-voltage optically-triggered bipolar power devices for transformerless MW-class solar inverters”, Invited Presentation, National Science Foundation sponsored US-Egypt Joint Workshop on Solar Energy Systems and Materials, 2012.
89. S.K. Mazumder, “Switching-sequence and switching-transition control for power electronics”, Invited Presentation, Department of Electrical Engineering, Michigan State University, November 2011.
90. S.K. Mazumder, “Integration of next-generation power electronics with multidisciplinary cyber physical smart grid“, Invited Presentation, Department of Electrical Engineering, University of Florida, February 2011.
91. S.K. Mazumder, “Sequence based orbital existence of a class of switching systems”, Plenary Paper, IEEE International Joint Conference of Power Electronics, Drives and Energy Systems, December 2010.
92. S.K. Mazumder, “Advanced power electronics for green energy systems”, Invited Lecture, IEEE INDICON, December 2010.
93. S.K. Mazumder, “Hybrid-modulation based high-power high-frequency and scalable SiC polyphase fuel-cell inverter for power quality and bulk power generation”, Invited Presentation, National Science Foundation ECCS Grantees' Conference, December 2010.
94. S.K. Mazumder, “Photonically-triggered SiC-GaN and superjunction based high-gain, high-temperature, and high-voltage bipolar power transistor”, Invited Presentation, National Science Foundation ECCS Grantees' Conference, December 1, 2010.
95. S.K. Mazumder, “Advanced nonlinear control and stability analysis of power-electronics systems and networks”, Invited Tutorial, IEEE Industrial Electronics Conference, November 2010.
96. S.K. Mazumder, “Smart grid technology”, Invited Presentation, Department of Electrical Engineering, University of Rochester, April 2010.
97. S.K. Mazumder, T. Sarkar, and S.R. Bose, “Photonic modulation of SiC based power semiconductor device switching dynamics using optically triggered power transistor”, Plenary Lecture, International Workshop on the Physics of Semiconductor Devices, December 2009.
98. S.K. Mazumder, J. Bentsman, and P. Yu, ”Self-healing multi-sequence control of interactive power network using evolving hybrid multi-agents under varying communication network capacity constraint“,Invited Position Paper Presentation, National Science Foundation Workshop on Cyber Physical Energy Systems, May 2009.
99. S.K. Mazumder, “Beyond PEBB: control of standalone and networked power electronics at device level using switching sequences and switching transitions”, Invited Presentation, Intelligent Automation Inc., April 2009.
100. S.K. Mazumder, “A novel hybrid modulation scheme for an isolated high-frequency-link fuel cell inverter”, Invited NSF Panel Presentation at the IEEE Power Systems Conference and Exposition, 2009.
101. S.K. Mazumder, “Sequence-based and active-gate controls for power converters: collapsible-boundary and hardware control concepts for IEEE P1676”, Invited Presentation, IEEE P1676 Working Group on Control Architecture for High Power Electronics (1 MW and greater) used in Electric Power Transmission and Distribution Systems, January 2009.
102. A. Agarwal, Q. Zhang, A. Burk, R. Callanan, and S.K. Mazumder, “Prospects of bipolar power devices in silicon carbide“, Invited Paper, IEEE Industrial Electronics Conference, November 2008.
103. S.K. Mazumder, “Sequence based stability and control of interactive power-electronics networks“, Invited Presentation, Department of Electrical Engineering, Carnegie Mellon University, November 2008.
104. S.K. Mazumder, “Sequence based stability and stabilization of switching power converters”, Invited Presentation, Department of Electrical Engineering, University of Alberta, October 2008.
105. S.K. Mazumder, “A novel hybrid modulation scheme for an isolated high-frequency-link fuel cell inverter”, Invited NSF Panel Presentation, IEEE Power Engineering Society, 2008.
106. S.K. Mazumder, “High-performance inverters for alternative-energy systems”, Invited Tutorial, IEEE International Conference on Electro/Information Technology, 2008.
107. S.K. Mazumder, “Global stability methodology for switching power converters”, Invited Tutorial, IEEE Industry Applications Society Conference, 2008.
108. S.K. Mazumder, “All-SiC bidirectional dc/dc converter for plug-in-hybrid-electric vehicles (PHEVs)”, Invited Presentation, Department of Energy Headquarters, October 2007.
109. S.K. Mazumder, “Global stability methodology for switching power converters”, Invited Tutorial, IEEE Power Electronics Specialists Conference, Orlando, Florida, June 2007.
110. S.K. Mazumder, “A ripple-mitigating and energy-efficient fuel cell power-conditioning system”, Invited Presentation, Department of Electrical and Computer Engineering, Ohio State University, February 2007.
111. S.K. Mazumder, “A high-power high-frequency and scalable multi-megawatt fuel-cell inverter for power quality and distributed generation”, Invited Presentation at the High Megawatt Converter Workshop, National Institute of Standards and Technology, January 2007.
112. S.K. Mazumder et al., “Optically-triggered power transistor (OTPT) for fly-by-light (FBL) and EMI-susceptible power electronics”, Plenary Paper, IEEE Power Electronics Specialists Conference, 2006.
113. S.K. Mazumder, “Photonically-triggered power semiconductor devices for EMI-immune power electronics”, Keynote Lecture, IEEE India International Conference on Power Electronics, 2006.
114. S.K. Mazumder, “Robust and intelligent distributed wireless control for interactive power networks”, Invited Presentation, National Science Foundation Workshop at the Tuskegee University, 2006.
115. S.K. Mazumder, “MW fuel-cell inverters: possibilities and issues”, Invited Presentation, Department of Energy Headquarters, May 2006.
116. S.K. Mazumder, “A ripple-mitigating and energy-efficient fuel cell power-conditioning system”, Invited Presentation, Department of Electrical and Computer Engineering, University of Central Florida, January 2006.
117. S.K. Mazumder, “Fuel cell power conditioner for stationary power system: Towards optimal design from reliability, efficiency, and cost standpoint”, Keynote Lecture, ASME Third International Conference on Fuel Cell Science, Engineering and Technology, 2005.
118. S.K. Mazumder, “Wireless control of spatially distributed power electronics systems”, Invited Presentation, Office of Naval Research and Defense Advanced Research Projects Agency, August 2005.
119. S.K. Mazumder, “Nonlinear analysis of interactive power-electronic networks”, Plenary Paper, IEEE International Power Electronics Congress, 2004.
120. S.K. Mazumder, “Power-electronics modeling and electrical-feedback effects on SOFC”, Pacific Northwest National Laboratory, July 2004.
121. S.K. Mazumder, K. Acharya, M.R. von Spakovsky, D. Nelson, D. Rancruel, S. Subramanian, C. Haynes, R. Williams, J. Hartvigsen, S. Elangovan, and C. Mckintyre, “Modeling, interaction analyses, and control and optimization of SOFC power-conditioning system”, Invited Presentation, National Energy Technology Laboratory, February 2004.
122. S.K. Mazumder, “Power electronics for aerospace industry”, Invited Presentation, Hamilton Sunstrand, January 2004.
123. S.K. Mazumder, “An investigation to resolve the interaction between SOFC, power electronics, balance-of-plant system, and application loads”, Invited Presentation, Delphi, June 2003.
124. M.R. von Spakovsky, D. Nelson, and D. Rancruel, S.K. Mazumder, K. Acharya, C. Haynes, and R. Williams, “Investigation of system and component performance and interaction issues for solid-oxide fuel cell based auxiliary power units responding to changes in application load”, Invited Paper, IEEE Industrial Electronics Conference, 2003.
125. S.K. Mazumder, “An investigation to resolve the interaction between SOFC, power electronics, balance-of-plant system, and application loads”, Invited Presentation, Cummins Power Generation, April 2003.
126. S.K. Mazumder, “Collaborative opportunities for power electronics”, Invited Presentation, S&C Electric, February 2002.
127. S.K. Mazumder, A.H. Nayfeh, and D. Boroyevich, “Nonlinear analysis of power-electronic converters: towards stable distributed power systems”, Invited Paper, International Conference on Energy, Automation, and Information Technology, 2001.
128. A.H. Nayfeh and S.K. Mazumder, “Power-electronics converters: a field rich in discontinuities”, Invited Paper, ASME Design Engineering Technical Conferences, 2001.
129. S.K. Mazumder, “Next generation power-electronic systems”, Invited Lecture, International Conference on Control, Instrumentation, and Information Communication, 2001.