www.kut.ac.kr

2010

Ildar Farkhatdinov, Jee-Hwan Ryu “Stability Analysis of Mobile Robot Teleoperation with Variable Force Feedback Gain”, Proc. of Eurohaptics 2010, Amsterdam, Netherlands, July 2010, Lecture Notes in Computer Science, Haptics: Generating and Perceiving Tangible Sensations, Springer. PDF

H. King, B. Hannaford, K. W. Kwok, G-Z. Yang, P. Griffiths, A. M. Okamura, I. Farkhatdinov, J-H. Ryu, G. Sankaranarayanan, V. S. Arikatla, K. Tadano, K. Kawashima, A. Peer, T. Schau©¬, M. Buss, L. M. Miller, D. Glozman, J. Rosen, T. Low, “Plugfest 2009: Global Interoperability in Telerobotics and Telemedicine,” Proc. of IEEE ICRA 2010, Alaska, USA. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, Jinung An, “A Preliminary Experimental Study on Haptic Teleoperation of Mobile Robot with Variable Force Feedback Gain,” Proc. of IEEE Haptics Symposium 2010, March 24-25, Boston, USA. Best Poster Award. PDF

Ildar Farkhatdinov I. G., Poduraev Yu. V., Ryu Jee-Hwan, "Experimental Study of Position, Speed and Combined Position-Speed Control in the Teleoperation of Mobile Robot," Journal "Mechatronics, Automation, Control.", N1, 2010, pages 70-78. ISSN 1684-6427. PDF

2009

Ildar Farkhatdinov, Jee-Hwan Ryu and Jury Poduraev “Rendering of Environmental Force Feedback in Mobile RobotTeleoperation based on Fuzzy Logic,” Proceedings of the IEEE International Symposium on Computational Intelligence in Robotics and Automation (CIRA 2009), Daejeon, Korea. PDF

Ye-Seul Kim, Jee-Hwan Ryu “Performance analysis of Teleoperation systems with different Haptic and Video time-delay,” Proceedings of the ICROS-SICE International Joint Conference 2009, Fukuoka, JAPAN. PDF

Ba Hai Nguyen, Jee-Hwan Ryu, “Semi-Experimental Results on a Measured Current Based Method for Reproducing Realistic Steering Feel of Steer-By-Wire Systems,” 15th Asia Pacific Automotive Engineering Conference (APAC15), 26-28 October 2009 , Hanoi, Vietnam, 2009.

Ba Hai Nguyen, Jee-Hwan Ryu, Van-Dung Do, “Velocity Estimation For Haptic Applications,” The 2009 International Forum on Strategic Technologies (IFOST2009), Hochiminh, Vietnam, 2009. PDF

Ba Hai Nguyen, Hai-Bac Ngo, Jee-Hwan Ryu, “Novel Robust Control Algorithm of DC Motors,” The 6th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI 2009), Seoul, Korea, 2009. PDF

Bei Bei Han, Jee-Hwan Ryu, Il-Kyun Jung “FPGA Based Time Domain Passivity Observer and Passivity Controller,” Proceedings of the IEEE/ASME International Coneference on Advanced Intelligent Mechatronics 2009, Singapore. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu “Development of Educational System forAutomotive Engineering based on Augmented Reality,” Proceedings of the ICEE & ICEER 2009 International Conference on Engineering Education and Research 2009 , Korea. PDF

Ba-Hai Nguyen, Jee-Hwan Ryu “Direct Current Measurement Based Steer-By-Wire Systems for Realistic Driving Feeling,” Proceedings of the IEEE International Symposium on Industrial Electronics 2009, Seoul, Korea. PDF

Ildar Farkhatdinov, Vadim Balashov, Jee-Hwan Ryu and Jury Poduraev “A Comparative Study of Indirect and Direct Workspace Representation in Human-Robot Interaction,” Proceedings of the 13th IFAC Symposium on Information Control Problems in Manufacturing (IFAC INCOM 2009), Moscow, Russia. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, Jury Poduraev “A user study of command strategies for mobile robot teleoperation,” Journal on Intelligent Service Robotics: Volume 2, Issue 2 (2009), Page 95. PDF. Original paper available at SpringerLink

2008

Beibei Han, Jee-Hwan Ryu “An Injecting Method of Physical Damping to Haptic Interfaces Based on FPGA,” Proceedings of the International Conference on Control, Automation and Systems (ICCAS 2008), Seoul, Korea. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, Jury Poduraev “A Feasibility Study of Time-Domain Passivity Approach for Bilateral Teleoperation of Mobile Manipulator,” Proceedings of the International Conference on Control, Automation and Systems (ICCAS 2008), Seoul, Korea. PDF

Jee-Hwan Ryu (editor). Parallel manipulators. New developments. I-Tech Education and Publishing, Vienna, Austria. ZIP about

Ildar Farkhatdinov, Jee-Hwan Ryu “Teleoperation of multi-robot and multi-property systems,” Proceedings of the IEEE International conference on industrial informatics (INDIN 2008), Daejon, Korea. PDF

Jee-Hwan Ryu “Stable Teleoperation with Time Domain Passivity Approach,” Proceedings of the 17th IFAC World Congress 2008, Seoul, Korea. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, Jury Poduraev “Control Strategies and Feedback Information in Mobile Robot Teleoperation,” Proceedings of the 17th IFAC World Congress 2008, Seoul, Korea. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu “Switching of Control Signals in Teleoperation Systems: Formalization and Application,” Proceedings of the 2008 IEEE/ASME International Conference on Advanced Intelligent Mechatronics July 2 - 5, 2008, Xi'an, China. PDF

Igor Gaponov, Jee-Hwan Ryu, Seong-Joo Choi, Hyun-Chan Cho, Jury Poduraev, “Telerobotic System for Cell Manipulation,” Proceedings of the 2008 IEEE/ASME International Conference on Advanced Intelligent Mechatronics July 2 - 5, 2008, Xi'an, China. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, “A Study on the Role of Force Feedback for Teleoperation of Industrial Overhead Crane,” EuroHaptics 2008, Madrid, Spain. PDF

Ba Hai Nguyen, Jee-Hwan Ryu, “Development of a Observe-By-Wire System for Forklifts Using Haptic Interfaces,” International Conference on Smart Manufacturing Application, April. 9-11, 2008 in KINTEX, Gyeonggi-do, Korea. PDF

2007

Yong-Duk Kim, Bum-Joo Lee, Jee-Hwan Ryu, and Jong-Hwan Kim, “Landing Force Control for Humanoid Robot by Time-Domain Passivity Approach,” IEEE TRANSACTIONS ON ROBOTICS, VOL. 23, NO. 6, DECEMBER 2007, pp 1294-1301. PDF

Ildar Farkhatdinov, Jee-Hwan Ryu, “A User Study of a Mobile Robot Teleoperation,” In Proc. of the 4th International Conference on Ubiquitous Robots and Ambient Intelligence, Pohang, POSTECH, Korea. PDF

Ildar Farkhatdinov, Jee Hwan Ryu, "Hybrid Position-Position and Position-Speed Command Strategy for the Bilateral Teleoperation of a Mobile Robot," International Conference on Control, Automation and Systems 2007, Oct. 17-20, 2007 in COEX, Seoul, Korea PDF

Jee-Hwan Ryu, C. Preusche, “Stable Bilateral Control of Teleoperators Under Time-varying Communication Delay: Time Domain Passivity Approach,” IEEE ICRA’07. PDF

Jee-Hwan Ryu, "Bilateral Control with Time Domain Passivity Approach Under Time-varying Communication Delay," in Proc. of IEEE ICAR'07, Jeju, Korea. PDF

Jee-Hwan Ryu, "Bilateral Control with Time Domain Passivity Approach Under Time-varying Communication Delay" In Proc. of the 16th IEEE International Conference on Robot & Human Interactive Communication, August 26 ~ 29, 2007/ Jeju, Korea. PDF

2006

Yong-Duk Kim, Bum-Joo Lee, Jeong-Ki Yoo, Jong-Hwan Kim, and Jee-Hwan Ryu, “Landing Force Controller for a Humanoid Robot: Time-Domain Passivity Approach,” 2006 IEEE Conference on Systems, Man, and Cybernetics October 8-11, 2006, Taipei, Taiwan, pp. 4237-4242, 2006.  PDF

Yong-Duk Kim, Bum-Joo Lee, Jeong-Ki Yoo, Jong-Hwan Kim, and Jee-Hwan Ryu, “Compensation for the Landing Impact Force of a Humanoid Robot by Time Domain Passivity Approach,” 2006 IEEE Int. Conf. on Robotics & Automation, pp. 1225-1230, 2006. PDF

Blake Hannaford and Jee-Hwan Ryu, “Time Domain Passivity Control of Haptic Interfaces,” U.S. Patent No. 7,027,965 B2, Apr. 11, 2006. PDF

2005

Jee-Hwan Ryu, “Time Domain Passivity Approach for Soft and Deformable Environments,” Journal of Control, Automation, and Systems Engineering, Vol. 12, No. 5, pp. 457-463. PDF

Jee-Hwan Ryu, Blake Hannaford, Dong-Soo Kwon, and Jong-Hwan Kim, “A Simulation/Experimental Study of the Noisy Behavior of the Time Domain Passivity Controller,” IEEE Trans. on Robotics, Vol. 21, No. 4, pp. 733-741. SCI Impact Factor: 2.103 PDF

Jee-Hwan Ryu, Carsten Preusche, Blake Hannaford, and Gerd Hirzinger, “Time Domain Passivity Control with Reference Energy Behavior,” IEEE Trans. on Control Systems Technology, Vol. 13, No. 5, pp. 737-742. SCI Impact Factor: 1.157 PDF

Yong-Jae Kim, Jee-Hwan Ryu, and Jong-Hwan Kim, “Egocentric Uncertainty Map for Mobile Robot Navigation using Univector Field Method,” Submitted to the Journal of Robotic Systems, February 2005.

Jee-Hwan Ryu, Jong-Hwan Kim; Dong-Soo Kwon; Hannaford B., "A Simulation/Experimental Study of the Noisy Behavior of the Time Domain Passivity Controller for Haptic Interfaces," Proceedings of the 2005 IEEE International Conference on Robotics and Automation, 2005.PDF

Jee-Hwan Ryu and Jong-Hwan Kim, “Time Domain Passivity Approach for Soft and Deformable Environments,” 2005 Int. Conf. on Control, Automation and Systems, pp. 107-112, 2005. Best Presentation Award. PDF

Jee-Hwan Ryu and Jong-Hwan Kim, “Stable and High Performance Teleoperation with Time Domain Passivity Control: Reference Energy Following Scheme,” 2005 Int. Conf. on Advanced Robotics, pp. 782-787. PDF

Jee-Hwan Ryu, Jong-Hwan Kim, Dong-Soo Kwon and Blake Hannaford, “A Simulation/Experimental Study of the Noisy Behavior of the Time Domain Passivity Controller,” 2005 IEEE Int. Conf. on Robotics & Automation, pp. 4332-4337. PDF

2004

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Stability Guaranteed Control: Time Domain Passivity Approach,” IEEE Trans. on Control Systems Technology, Vol. 12, No. 6, pp. 860-868, 2004. (Full paper) SCI Impact Factor: 1.157 PDF

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Control of a Flexible Manipulator with Noncollocated Feedback: Time Domain Passivity Approach,” IEEE Trans. on Robotics (The successor of IEEE Trans. on Robotics and Automation), Vol. 20, No. 4, pp. 776-780, 2004. SCI Impact Factor: 2.103 PDF

Jee-Hwan Ryu, Yoon Sang Kim and Blake Hannaford, “Sampled and Continuous Time Passivity and Stability of Virtual Environments,” IEEE Trans. on Robotics (The successor of IEEE Trans. on Robotics and Automation), Vol. 20, No. 4, pp. 772-776, 2004. SCI Impact Factor: 2.103 PDF

Jong-Hwan Kim, Dong-Han Kim, Yong-Jae Kim, Kui-Hong Park, Jae-Ho Park, Choon-Kyoung Moon, Jee-Hwan Ryu, Kiam Tian Seow, Kyoung-Chul Koh, “Humanoid Robot Hansaram: Recent Progress and Developments,” Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol. 8, No. 1, pp. 45-55, 2004. PDF

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Stable Teleoperation with Time Domain Passivity Control,” IEEE Trans. on Robotics and Automation, Vol. 20, No. 2, pp. 365-373, 2004. SCI Impact Factor: 2.103 PDF

Jong-Hwan Kim, Jee-Hwan Ryu, Kang-Hee Lee, Boem-Sahng Ryuh, “A Ubiquitous Robot System,” Journal of the Korea Society of Precision Engineering, Vol. 21, No. 7, pp. 7-14, 2004. 

Jee-Hwan Ryu, “Removing the Noisy Behavior of the Time Domain Passivity Controller,” Journal of Control, Automation, and Systems Engineering, Vol. 12, No. 4, pp. 380-388.

Jee-Hwan Ryu, “Stable Haptic Interaction with Reference Energy Following Scheme,” Journal of Control, Automation, and Systems Engineering, Vol. 12, No. 3, pp. 277-283. 

2003

Jee-Hwan Ryu, Blake Hannaford, Carsten Preusche and Gerd Hirzinger, “Time Domain Passivity Control with Reference Energy Behavior,” IEEE/RSJ International Conference on Intelligent Robots and Systems, Las Vegas, pp. 2932-2937, 2003. PDF

Carsten Preusche, Gerd Hirzinger, Jee-Hwan Ryu and Blake Hannaford, “Time Domain Passivity Control for 6 Degrees of Freedom Haptic Displays,” IEEE/RSJ International Conference on Intelligent Robots and Systems, Las Vegas, pp. 2944-2949, 2003. PDF

Jee-Hwan Ryu, Yoon Sang Kim and Blake Hannaford, “Sampled and Continuous Time Passivity and Stability of Virtual Environments,” IEEE Int. Conf. on Robotics & Automation, Taiwan, pp. 822-827, 2003. PDF

Blake Hannaford, Jee-Hwan Ryu, Dong-Soo Kwon, Yoon-Sang Kim and Jae-Bok Song, “Testing Time Domain Passivity Control of Haptic Enabled Systems,” In “Experimental Robotics”, Bruno Siciliano and Paolo Dario (Eds), Springer Tracts in Advanced Robotics Series 5, pp. 550-559, 2003.

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Control of a Flexible Manipulator with Noncollocated Feedback: Time Domain Passivity Approach,” In “Control Problems in Robotics,” Antonio Bicchi, Henrik I. Christensen, and Domenico Prattichizzo (Eds), Springer Tracts in Advanced Robotics Series 4, pp. 121-134, 2003. PDF

Robotic Hands in Space, Electrical Engineering Kaleidoscope Annual Research Review, A publication of the Electrical Engineering Department, University of Washington, 2003.

2002

Blake Hannaford and Jee-Hwan Ryu, “Time Domain Passivity Control of Haptic Interfaces,” IEEE Trans. on Robotics and Automation, Vol. 18, No. 1, pp. 1-10, 2002. (Full paper) SCI Impact Factor: 2.103 SCI Times Cited: 8 PDF

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Stability Guaranteed Control: Time Domain Passivity Approach,” IEEE/RSJ International Conference on Intelligent Robots and Systems, Switzerland, pp. 2115-2121, 2002. PDF

Blake Hannaford, Jee-Hwan Ryu, Dong-Soo Kwon, Yoon-Sang Kim and Jae-Bok Song, “Testing Time Domain Passivity Control of Haptic Enabled Systems,” 2002 International Symposium on Experimental Robotics, Italy. 

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Stable Teleoperation with Time Domain Passivity Control,” IEEE Int. Conf. on Robotics & Automation, Washington DC, USA, pp. 3260-3265, 2002. PDF

Jee-Hwan Ryu, Dong-Soo Kwon and Blake Hannaford, “Control of a Flexible Manipulator with Noncollocated Feedback: Time Domain Passivity Approach,” The 2nd Joint CSS/RAS International Workshop on Control Problems in Robotics and Automation, Dec 14, Las Vegas, pp. 89-101, 2002. PDF

2001

Jee-Hwan Ryu, Dong-Soo Kwon, “A Novel Adaptive Bilateral Control Scheme using Similar Closed-loop Dynamic Characteristics of Master/Slave Manipulators,” Journal of Robotic Systems, Vol. 18, No. 9, pp. 533-543, 2001. SCI Impact Factor: 0.459 PDF

Jee-Hwan Ryu, Jinil Song, Dong-Soo Kwon, “A nonlinear friction compensation method using adaptive control and its practical application to an in-parallel actuated 6-DOF manipulator,” Control Engineering Practice, Vol. 9, No.2, pp. 159-167, 2001. SCI Impact Factor: 0.536 PDF

Jee-Hwan Ryu, Dong-Soo Kwon and Pan-Mook Lee, “Control of Underwater Manipulators Mounted on an ROV using the Base Force Information,” IEEE Int. Conf. on Robotics & Automation, Seoul, KOREA, May, pp. 3238-3243, 2001. PDF

Blake Hannaford and Jee-Hwan Ryu, “Time Domain Passivity Control of Haptic Interfaces,” IEEE Int. Conf. on Robotics & Automation, Seoul, KOREA, pp. 1863-1869, May 2001. PDF

Blake Hannaford, Jee-Hwan Ryu, Yoon-Sang Kim, “Stable Control of Haptics,” In “Touch in Virtual Environments: Proceedings USC Workshop on Haptic Interfaces,” Margret McLaughlin, Ed., Prentice Hall, Feb. 23, 2001.

Blake Hannaford, Jee-Hwan Ryu, Yoon-Sang Kim, “Chapter 3 Stable Control of Haptics,” In "Touch in Virtual Environments," Margaret L. McLaughlin, Ed., Prentice Hall PTR, IMSC Press Multimedia Series, pp. 47-70, 2001.

2000

Jee-Hwan Ryu, Dong-Soo Kwon and Youngjin Park, “A Robust controller Design Method for a Flexible Manipulator with a Large Time Varying Payload and Parameter Uncertainties,” Journal of Intelligent & Robotic Systems, Vol. 27. pp. 345-361, 2000. SCI Impact Factor: 0.299 SCI Times Cited: 1 PDF

Jee-Hwan Ryu, Dong-Soo Kwon, Pan-Mook Lee, Suk-Won Hong, “Teleoperation Controller Design for an Underwater Manipulator Using a Disturbance observer based H_inf. Control Scheme,” ICASE, Vol.6, No.7, pp. 578-585, 2000. PDF

Jinil Song, Jee-Hwan Ryu, Young-Hun Choi, Dong-Soo Kwon, H.S. Cho, “Nonlinear Friction Compensation using the Information of Integral Controller,” Korea Society of Precision Engineering, Vol.17, No.1, pp. 110-119, 2000. PDF

Jee-Hwan Ryu and Dong-Soo Kwon, “A novel adaptive bilateral control scheme using dual closed-loop dynamic characteristics of master/slave manipulators,” IEEE/RSJ International Conference on Intelligent Robots and Systems, Takamazu, Japan, November, pp. 1173-1178, 2000. PDF

Dong-Soo Kwon, Jee-Hwan Ryu, Pan-Mook Lee and Suk-Won Hong, “Design of a Teleoperation Controller for an Underwater Manipulator,” IEEE Int. Conf. on Robotics & Automation, San Francisco, California, pp. 3114-3119, April 2000. PDF

1999

Jee-Hwan Ryu, Dong-Soo Kwon, Youngjin Park, “A Robust controller Design Method for a Flexible Manipulator with a Time Varying Payload and Parameter Uncertainties,” IEEE Int. Conf. on Robotics & Automation, Detroit, Michigan, May, pp. 413-418, 1999. PDF

1998

Jee-Hwan Ryu, Dong-Soo Kwon, Youngjin Park, “Robust LQ Controller Design for Systems with Structured Uncertainty using Descriptor Form Representation,” Proceedings of the 13th Korea Automatic Control Conference, Pusan, October , Vol. 1, pp. 819-822. 1998. PDF

Jee-Hwan Ryu, Dong-Soo Kwon, Pan-Mook Lee, Suk-Won Hong, “Desing of a Teleoperation Controller for an Underwater Manipulator,” Proceeding of the Dynamics and Control Division & Manufacturing and Design Engineering Division Korea Society of Mechanical Engineers 1999 Annual Autumn Meeting, Daejeon, pp.229-234. PDF

1996

Jee-Hwan Ryu, Youngjin Park, “Design of Robust LQR/LQG controllers by LMIs,” Proceedings of the11th Korea Automatic Control Conference, Pohang, October, Vol. 2, pp. 988-991, 1996.