Publications and Patents

The key personal of National SynaMotion Technology published extensive R/D papers and patents in the fields of robotics, biotech, medicals and industrial process automations.

Selected R/D Papers

"Achieving Stable Locomotion of Bipedal Walking Robots with Nonlinear Switching Control," J.J. Hu, G.A. Pratt, Autonomous Robots, (to appear).

"Adaptive Dynamic Control of a Bipedal Walking Robot by Means of Radial Basis Function Neural Networks," J.J. Hu, J.E. Pratt, G.A. Pratt, International Journal of Robotics and Autonomous Systems , (to appear).

"A Vision Based Surgical Tool Tracking Approach for Untethered Surgery Simulation and Training System, " J. English, C.Y. Chang, N. Tardella , J. Hu , International Conference on Medicine Meets Virtual Reality, Los Angles, CA, January 25, 2005.

"A Surgery Simulation Training System with Visual Tool Tracking," J. English, C.Y. Chang, J. Hu , International Conference on Human Machine Interfaces, Bangalore, India, December 20-23, 2004.

"Investigations into Performance of Minimally Invasive Telesurgery with Feedback Time Delays," M.P. Ottensmeyer, J.J. Hu,  J.M. Thompson, J. Ren, T.B. Sheridan,  Presence: Teleoperators and Virtual Environments, No. 5, 2000.

"Nonlinear Switching Control of Bipedal Walking Robots with Provable Stability, " J.J. Hu, G.A. Pratt,  IEEE-RAS International Conference on Humanoid Robots, MIT, Cambridge, MA, September, 2000..

" Reinforcement Learning in Continuous Time and State Space with Neural Networks," J.J. Hu,  Technical Report of MIT Artificial Intelligence Lab, Cambridge, MA, 2000.

" Bipedal Locomotion Control with Rhythmic Neural Oscillators," J.J. Hu, M. Williamson, and G.A. Pratt,  IEEE International Conference on Intelligent Robots and Systems, Kyongju, Korea, October, 1999.

" Self-organizing CMAC Neural Networks and Adaptive Dynamic Control," J.J. Hu and G.A. Pratt, IEEE International Conference on Intelligent Control, Cambridge , MA , September 15-17, 1999 .

" Stable Adaptive Control of a Bipedal Walking Robot with CMAC Neural Networks,"  J.J. Hu, J.E. Pratt, G.A. Pratt, IEEE International Conference on Robotics and Automation, Detroit, MI, May, 1999.

' Virtual Model Based Adaptive Dynamic Control of a Biped Walking Robot," J.J. Hu, J.E. Pratt, G.A. Pratt, International Journal on Artificial Intelligence Tools, Vol. 8, No.3, pp337-348, 1999.

" Adaptive Dynamic Control of a Bipedal Walking Robot with Radial Basis Function Neural Networks," J.J. Hu,  J.E. Pratt, G.A. Pratt, IEEE International Conference on Intelligent Robots and Systems, Victoria, BC, Canada, October, 1998. 

"Adaptive Virtual Model Control of a Bipedal Walking Robot, " J.J. Hu,, J.E. Pratt, H.H. Herr, G.A. Pratt, IEEE International Symposium on Intelligence in Automation and Robotics, Washington D.C., May, 1998.

"Telerobotic Surgery: Stable Force Feedback with Time Delays, " J.J. Hu,  J. Ren, J.M. Thompson, T.B. Sheridan, SPIE International Symposium on Intelligent Systems and Advanced Manufacturing, Boston , November 18-19, 1996 .

"Fuzzy Sliding Control of a Telerobotic System," J.J. Hu,  J. Ren,  T.B. Sheridan, IEEE International Conference on Fuzzy Systems, New Orleans, LA, September, 1996.

Selected Patents

"System for aligning rectangular wafers," J. Ren,  United States Patent. No. 6.195,619 B1.  Feb. 27, 2001.