Novel adaptive control system for stable teleoperation via internet

Random delays can cause instability in realtime closed-loop Internet-based telerobotic systems. We propose a novel approach for modeling the end-to-end time delay dynamics of the Internet using system identification, and use it for controlling real-time Internet-based telerobotic operations. When a single model is used, it needs to adapt to the operating conditions before an appropriate control mechanism can be applied. Slow adaptation may result in large transient errors. As an alternative, we propose to use an adaptive multiple model framework, and determine the best model for the current operating conditions to activate the corresponding controller. We employ multivariable wave prediction method to achieve this objective

[1]  Zalman J. Palmor,et al.  Stability properties of Smith dead-time compensator controllers , 1980 .

[2]  Kumpati S. Narendra,et al.  Adaptive control using multiple models , 1997, IEEE Trans. Autom. Control..

[3]  Kumpati S. Narendra,et al.  Nonlinear adaptive control using neural networks and multiple models , 2001, Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334).

[4]  O Smith,et al.  CLOSER CONTROL OF LOOPS WITH DEAD TIME , 1957 .

[5]  Mark W. Spong,et al.  Bilateral control of teleoperators with time delay , 1989 .

[6]  Wayne J. Book,et al.  Teleoperation of a Hydraulic Forklift from a Haptic Manipulator over the Internet , 2002 .

[7]  Tzyh Jong Tarn,et al.  Internet-based remote teleoperation , 1998, Proceedings. 1998 IEEE International Conference on Robotics and Automation (Cat. No.98CH36146).

[8]  Jean-Jacques E. Slotine,et al.  Towards force-reflecting teleoperation over the Internet , 1998, Proceedings. 1998 IEEE International Conference on Robotics and Automation (Cat. No.98CH36146).

[9]  S. Ganjefar,et al.  Teleoperation systems design using augmented wave-variables and Smith predictor method for reducing time-delay effects , 2002, Proceedings of the IEEE Internatinal Symposium on Intelligent Control.

[10]  Tsuneo Yoshikawa,et al.  Bilateral teleoperation under time-varying communication delay , 1999, Proceedings 1999 IEEE/RSJ International Conference on Intelligent Robots and Systems. Human and Environment Friendly Robots with High Intelligence and Emotional Quotients (Cat. No.99CH36289).

[11]  A.R. Sharafat,et al.  A multi-model adaptive control system for teleoperation via Internet , 2004, Proceedings of the 2004 IEEE International Conference on Control Applications, 2004..

[12]  Jean-Jacques E. Slotine,et al.  Stable Adaptive Teleoperation , 1990, 1990 American Control Conference.

[13]  S. Munir,et al.  Internet based teleoperation using wave variables with prediction , 2001, 2001 IEEE/ASME International Conference on Advanced Intelligent Mechatronics. Proceedings (Cat. No.01TH8556).

[14]  Tzyh-Jong Tarn,et al.  A Framework for the Control of Time-Delayed Telerobotic Systems⋆ , 1997 .

[15]  Graham C. Goodwin,et al.  Adaptive filtering prediction and control , 1984 .

[16]  Shahram Payandeh,et al.  A delay prediction approach for teleoperation over the Internet , 2002, Proceedings 2002 IEEE International Conference on Robotics and Automation (Cat. No.02CH37292).

[17]  Alireza Karimi,et al.  Effects of the design parameters of multimodel adaptive control on the performance of a flexible transmission system , 2001 .

[18]  Kumpati S. Narendra,et al.  Adaptation and learning using multiple models, switching, and tuning , 1995 .

[19]  Jean-Jacques E. Slotine,et al.  Using wave variables for system analysis and robot control , 1997, Proceedings of International Conference on Robotics and Automation.

[20]  Paolo Fiorini,et al.  A Design and Control Environment for Internet-Based Telerobotics , 1998, Int. J. Robotics Res..

[21]  Hoang Duong Tuan,et al.  Nonlinear adaptive control of master–slave system in teleoperation☆ , 2003 .

[22]  Wei Wang,et al.  On the stability of a self-tuning controller in the presence of bounded disturbances , 1989 .

[23]  Edoardo Mosca,et al.  Switching supervisory control based on controller falsification and closed-loop performance inference , 2002 .

[24]  K. S. Smith,et al.  Time domain simulation of cycloconverter-fed variable speed AC drives with closed-loop control , 1994 .