Biomedical Systems and Robotics, Keynote talk, National Conference on Man Machine Interaction, Chennai, India, Apr, 2014

Robotic Compensation of Tremor in Microsurgery, Invited talk, Indian Institute of Technology,  Hyderabad, India, Mar 2014.

Time Frequency Decomposition and Phase Synchrony with EEG for BCI Applications,

Invited talk, Korea Institute of Science and Technology,  Seoul, South Korea, October, 2013.

Physiological Tremor Compensation for Surgical Robotics,

Invited talk, Brain-Surgery robotics Research Center Symposium,  Daegu, South Korea, April, 2013.

Modeling and Observers Design for Control and Biomedical Applications,

Invited talk, LAMIH, CNRS, University de Valenciennes, France, July, 2012.

Brain Signal Processing and Research Opportunities in South Korea

Plenary talk, Department of Electrical Engineering, RVRJC College of Engineering, Guntur, INDIA, Jan, 2010.

Signal Processing in Surgical and Rehabilitation Robotics

Invited Talk, GIST Information Mechatronics Week, Gwangju Institute of Science & Technology, Gwangju, Korea, September, 25, 2009. 
　

Sliding Mode Observers for State and Unknown Input Estimations

Graduate Research Seminar, School of Electrical Engineering, Xian Jiatong University, Xian, China, May 14, 2009.

Research in Nonlinear Control and Signal Processing

Research Seminar, School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu, South Korea, October, 29, 2008.

Signal Processing in Surgical and Rehabilitation Robotics

Research Seminar, Department of Biomedical Engineering, University of Eindhoven, Eindhoven, Netherlands, October, 24, 2008. 

Research Opportunities in Singapore and South East Asia

Invited talk, Department of Electrical Engineering, RVRJC College of Engineering, Guntur, INDIA, May, 2007.