- Integrated Planning and Control for Graceful Navigation of Shape-Accelerated Underactuated Balancing Mobile Robots
Umashankar Nagarajan, George A. Kantor, and Ralph Hollis
Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), May, 2012, pp. 136-141.
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- Planning in High-dimensional Shape Space for a Single-wheeled Balancing Mobile Robot with Arms
Umashankar Nagarajan, Byungjun Kim, and Ralph Hollis
Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), May, 2012, pp. 130-135.
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- Hybrid Control for Navigation of Shape-Accelerated Underactuated Balancing Systems
George A. Kantor and Ralph Hollis
Proceedings of the 49th IEEE Conference on Decision and Control, December, 2010.
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- Hybrid Control for Navigation of Shape-Accelerated Underactuated Balancing Systems
Umashankar Nagarajan, George A. Kantor, and Ralph Hollis
IEEE Conference on Decision and Control (CDC), December, 2010, pp. 3566-3571.
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- Human-Robot Physical Interaction with Dynamically Stable Mobile Robots
Umashankar Nagarajan, George A. Kantor, and Ralph Hollis
Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2009), May, 2009, pp. 281-282.
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- State Transition, Balancing, Station Keeping and Yaw Control for a Dynamically Stable Single Spherical Wheel Mobile Robot
Umashankar Nagarajan, Anish Mampetta, George A. Kantor, and Ralph Hollis
Proceedings of the IEEE International Conference on Robotics & Automation (ICRA 2009), May, 2009, pp. 998 - 1003.
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- Trajectory Planning and Control of a Dynamically Stable Single Spherical Wheeled Mobile Robot
Umashankar Nagarajan, George A. Kantor, and Ralph Hollis
Proceedings of the IEEE International Conference on Robotics & Automation (ICRA 2009), May, 2009, pp. 3743-3748.
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- A Dynamically Stable Single-Wheeled Mobile Robot with Inverse Mouse-Ball Drive
Tom Lauwers, George A. Kantor, and Ralph Hollis
Proceedings of the 2006 IEEE International Conference on Robotics and Automation (ICRA '06), May, 2006, pp. 2884 - 2889.
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- One is Enough!
Tom Lauwers, George A. Kantor, and Ralph Hollis
Proc. Int'l. Symp. for Robotics Research, October, 2005.
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- Teleoperation Mediated Through Magnetic Levitation: Recent Results
Bertram Unger, Roberta Klatzky, and Ralph Hollis
Proceedings of Mechatronics and Robotics (MechRob '04), September, 2004, pp. 1453 - 1457.
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- Design and operation of a force-reflecting magnetic levitation coarse-fine teleoperation system
Bertram Unger and Ralph Hollis
Proceedings of the 2004 IEEE International Conference on Robotics and Automation (ICRA '04), May, 2004, pp. 4147 - 4152.
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- Free-roaming planar motors: toward autonomous precision planar mobile robots
Tom Lauwers, Z.K. Edmondson, and Ralph Hollis
Proceedings of the 2004 IEEE International Conference on Robotics and Automation (ICRA '04), May, 2004, pp. 4498 - 4503.
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- A Telemanipulation System for Psychophysical Investigation of Haptic Interaction
Bertram Unger, Roberta Klatzky, and Ralph Hollis
Proc. Int'l Conf. on Robotics and Automation (ICRA '03), September, 2003, pp. 1253 - 1259.
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- Progress Towards a Clinically Useful Sonic Flashlight
George D. Stetten, Damion Michael Shelton, Wilson Chang, Robert Joseph Tamburo, V. Chib, Constantine Aaron Cois, Ralph Hollis, Alfred Rizzi, L. Lobes, and D. Schwartzman
Biomedical Imaging Research Opportunities Workshop, January, 2003.
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- Virtual Peg-In-Hole Performance using a 6-DOF Magnetic Levitation Haptic Device: Comparison with Real Forces and with Visual Guidance Alone
Bertram Unger, Alex Nicolaidis, Peter Berkelman, A. Thompson, S. Lederman, Roberta Klatzky, and Ralph Hollis
Proceedings of the 10th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS 2002), March, 2002
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- Distributed Coordination in Modular Precision Assembly Systems
Alfred Rizzi, Jay Gowdy, and Ralph Hollis
, Vol. 20, No. 10, October, 2001, pp. 819 - 838.
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- Comparison of 3D Haptic Peg-In-Hole Tasks
in Real and Virtual Environments
Bertram Unger, Alex Nicolaidis, Peter Berkelman, A. Thompson, Roberta Klatzky, and Ralph Hollis
Proceedings of the 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS '01), September, 2001, pp. 1751 - 1756.
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- Distributed Coverage of Rectilinear Environments
Zack Butler, Alfred Rizzi, and Ralph Hollis
Proc. of the
Workshop on the Algorithmic Foundations of Robotics, January, 2001.
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- Force-based Interaction for Distributed Precision Assembly
Richard DeLuca, Alfred Rizzi, and Ralph Hollis
Proc. of the ISER '00 Seventh International Symposium on Experimental Robotics, January, 2001.
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- A precision manipulator module for assembly in a minifactory environment
H. Benjamin Brown, Patrick Muir, Alfred Rizzi, M.C. Sensi, and Ralph Hollis
Proceedings of the 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS '01), 2001, pp. 1030 - 1035.
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- Simulation and Experimental Evaluation of Complete Sensor-based Coverage in Rectilinear Environments
Zack Butler, Alfred Rizzi, and Ralph Hollis
Proc. of the ISER '00 Seventh International Symposium on Experimental Robotics, December, 2000.
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- Lorentz Magnetic Levitation for Haptic Interaction: Device Design, Performance, and Integration with Physical Simulations
Peter Berkelman and Ralph Hollis
The International Journal of Robotics Research, Vol. 19, No. 7, July, 2000, pp. 644 - 667.
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- Cooperative Coverage of Rectilinear Environments
Zack Butler, Alfred Rizzi, and Ralph Hollis
IEEE International Conference on Robotics and Automation 2000, April, 2000, pp. 2722 - 2727.
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- Optical Coordination Sensor for Precision Cooperating Robots
Wing-Choi Ma, Alfred Rizzi, and Ralph Hollis
IEEE International Conference on Robotics and Automation 2000, April, 2000, pp. 1621 - 1626.
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- Visually Guided Coordination for Distributed Precision Assembly
Michael Chen, Shinji Kume, Alfred Rizzi, and Ralph Hollis
IEEE International Conference on Robotics and Automation 2000, April, 2000, pp. 1651 - 1656.
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- Contact Sensor-based Coverage of Rectilinear Environments
Zack Butler, Alfred Rizzi, and Ralph Hollis
IEEE Int'l Symposium on Intelligent Control, September, 1999, pp. 266 - 271.
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- Fluorescent Dye Based Optical Position Sensing for Planar Linear Motors
Gregory Fries, Alfred Rizzi, and Ralph Hollis
IEEE International Conference on Robotics and Automation, May, 1999, pp. 1614 - 1619.
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- Interaction with a Realtime Dynamic Environment Simulation using a Magnetic Levitation Haptic Interface Device
Peter Berkelman, Ralph Hollis, and David Baraff
IEEE International Conference on Robotics and Automation, May, 1999, pp. 3261 - 3266.
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- Miniature Factories for Precision Assembly
Ralph Hollis and Jay Gowdy
International Workshop on
Microfactories, December, 1998, pp. 9 - 14.
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- Miniature Factories: Tabletop Assembly Systems for Mechatronic Products
Ralph Hollis and Jay Gowdy
IARP Micro Robots and Systems Conference, October, 1998.
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- 3-DOF Closed-Loop Control for Planar Linear Motors
Arthur Quaid and Ralph Hollis
IEEE Int'l.
Conf. on Robotics and Automation, May, 1998, pp. 2488 - 2493.
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- Integrated Precision 3-DOF Position Sensor for Planar Linear Motors
Zack Butler, Alfred Rizzi, and Ralph Hollis
Proc. of IEEE Int'l. Conf. on Robotics and Automation, May, 1998, pp. 3109-3114.
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- Opportunities for Increased Intelligence and Autonomy in Robotic Systems for Manufacturing
Alfred Rizzi and Ralph Hollis
Robotics Research, the Eighth International
Symposium of Robotics Research, October, 1997, pp. 141 - 151.
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- Dynamic performance of a hemispherical magnetic levitation haptic interface device
Peter Berkelman and Ralph Hollis
SPIE Int'l Symposium on Intelligent Systems and Intelligent
Manufacturing, September, 1997.
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- Magnetic levitation haptic interfaces will impact training and design
Peter Berkelman and Ralph Hollis
SPIE OE Reports, September, 1997
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- Agile Assembly Architecture: An Agent-Based Approach to Modular Precision Assembly Systems
Alfred Rizzi, Jay Gowdy, and Ralph Hollis
IEEE Int'l. Conf. on Robotics and Automation, April, 1997, pp. 1511 - 1516.
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- Force Characterization and Commutation of Planar Linear Motors
Arthur Quaid, Yangsheng Xu, and Ralph Hollis
IEEE International Conference on Robotics and Automation, April, 1997.
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pdf (556KB) | Copyrighted
- Modular Precision Assembly Systems
Ralph Hollis
SPIE Newsletter, , April, 1997,
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- A Visual/Haptic Interface to Virtual Environment: WYSIWYF Display
Yasuyoshi Yokokohji, Ralph Hollis, and Takeo Kanade
The Virtual Reality Society of Japan, Vol. 2, No. 4, 1997, pp. 17-26.
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- Dynamic Performance of a Magnetic Levitation Haptic Device
Peter Berkelman and Ralph Hollis
Proceedings of SPIE Telemanipulation & Telepresence, 1997.
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- Design of a Hemispherical Magnetic Levitation Haptic Interface Device
Peter Berkelman, Zack Butler, and Ralph Hollis
Proceedings of the ASME IMECE Haptic Symposium, November, 1996, pp. 483 - 488.
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- Toward Machine Mediated Training of Motor Skills -Skill Transfer from Human to Human via Virtual Environment-
Yasuyoshi Yokokohji, Ralph Hollis, Takeo Kanade, Kazuyuki Henmi, and Tsuneo Yoshikawa
5th IEEE International Workshop on Robot and Human Communication, November, 1996, pp. 32-37.
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- Vision-based Visual/Haptic Registration for WYSIWYF Display
Y. Yokokohji, Ralph Hollis, and Takeo Kanade
International Conference on Intelligent Robots and Systems, IROS '96, November, 1996, pp. 1386 - 1393.
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- Whither Microbots?
Ralph Hollis
Proc. 7th Int'l. Symp. on Micromachine and Human Science, October, 1996.
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- Cooperative 2-DOF Robots for Precision Assembly
Arthur Quaid and Ralph Hollis
IEEE International Conference on Robotics and Automation, April, 1996.
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pdf (362KB) | Copyrighted
- What you can see is what you can feel. - Development of a visual/haptic interface to virtual environment
Y. Yokokohji, Ralph Hollis, and Takeo Kanade
Proceedings of the IEEE Virtual Reality Annual International Symposium 1996 (VRAIS '96), April, 1996, pp. 46-53.
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- Design and Control of a Force-Reflecting Teleoperation System with Magnetically Levitated Master and Wrist
S. E. Salcudean, N. M. Wong, and Ralph Hollis
IEEE Transactions on Robotics and Automation, Vol. 11, No. 6, December, 1995, pp. 844-858.
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- Sensor-based Registration and Stacking of Electronic Substrate Layers
A. E. Brennemann, R. Hammer, W. V. Jecusco II, and Ralph Hollis
IEEE Robotics and Automation, Vol. 2, No. 4, December, 1995, pp. 30-35.
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- An Architecture for Agile Assembly
Ralph Hollis and Arthur Quaid
American Society of Precision Engineering 10th Annual Mtg, October, 1995.
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- Magnetic and Optical-Fluorescence Position Sensing for Planar Linear Motors
A. E. Brennemann and Ralph Hollis
International Conference on Intelligent Robots and Systems, IROS '95, August, 1995.
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- Interacting with Virtual Environments using a Magnetic Levitation Haptic Interface
Peter Berkelman, Ralph Hollis, and S. E. Salcudean
Proceedings of IROS, 1995.
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- Accurate Alignment of Laminate Materials using Sensor-Based Robot Techniques
A. E. Brennemann, R. Hammer, Ralph Hollis, and W. V. Jecusco
IEEE Int'l Conf. on Robotics and Automation, May, 1994, pp. 2273-2278.
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- Lorentz Levitation Technology: a New Approach to Fine Motion Robotics, Teleoperation, Haptic Interfaces, and Vibration Isolation
Ralph Hollis and S. E. Salcudean
Int'l Symposium for
Robotics Research, October, 1993.
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pdf (489KB) | Copyrighted
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