Ralph L. Hollis

Publication Activity (10 Years)

Years Active: 1985-2019
Publications (10 Years): 5

Top Topics

Induction Motor

Motion Planning

Top Venues

Int. J. Robotics Res.

Publications

Fabian Sonnleitner, Roberto Shu, Ralph L. Hollis
The Mechanics and Control of Leaning to Lift Heavy Objects with a Dynamically Stable Mobile Robot. ICRA (2019)
Robert A. MacLachlan, Ralph L. Hollis, Branislav Jaramaz, Cameron N. Riviere, Joseph N. Martel, Kenneth L. Urish
Multirate Kalman filter rejects impulse noise in frequency-domain-multiplexed tracker measurements. IEEE SENSORS (2017)
Greg Seyfarth, Ankit Bhatia, Olaf Sassnick, Michael Shomin, Masaaki Kumagai, Ralph L. Hollis
Initial results for a ballbot driven with a spherical induction motor. ICRA (2016)
Jun Zhang, Ralph L. Hollis
A 2-DOF manipulator for micro-assembly in a minifactory. ROBIO (2016)
Robert A. MacLachlan, Nicholas Parody, Shohin Mukherjee, Ralph L. Hollis, Cameron N. Riviere, Joseph N. Martel, Louis A. Lobes Jr.
Electromagnetic tracker for active handheld robotic systems. IEEE SENSORS (2016)
Bhaskar Vaidya, Michael Shomin, Ralph L. Hollis, George Kantor
Operation of the ballbot on slopes and with center-of-mass offsets. ICRA (2015)
Ankit Bhatia, Masaaki Kumagai, Ralph L. Hollis
Six-stator spherical induction motor for balancing mobile robots. ICRA (2015)
Michael Shomin, Jodi Forlizzi, Ralph L. Hollis
Sit-to-stand assistance with a balancing mobile robot. ICRA (2015)
Bing Wu, Roberta L. Klatzky, Randy Lee, Vikas Shivaprabhu, John M. Galeotti, Mel W. Siegel, Joel S. Schuman, Ralph L. Hollis, George D. Stetten
Psychophysical Evaluation of Haptic Perception Under Augmentation by a Handheld Device. Hum. Factors 57 (3) (2015)
Michael Shomin, Ralph L. Hollis
Fast, dynamic trajectory planning for a dynamically stable mobile robot. IROS (2014)
Michael Shomin, Bhaskar Vaidya, Ralph L. Hollis, Jodi Forlizzi
Human-approaching trajectories for a person-sized balancing robot. ARSO (2014)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
The ballbot: An omnidirectional balancing mobile robot. Int. J. Robotics Res. 33 (6) (2014)
Michael Shomin, Ralph L. Hollis
Differentially flat trajectory generation for a dynamically stable mobile robot. ICRA (2013)
Bertram J. Unger, Roberta L. Klatzky, Ralph L. Hollis
The Physical Basis of Perceived Roughness in Virtual Sinusoidal Textures. IEEE Trans. Haptics 6 (4) (2013)
Umashankar Nagarajan, Ralph L. Hollis
Shape space planner for shape-accelerated balancing mobile robots. Int. J. Robotics Res. 32 (11) (2013)
Hanns Tappeiner, Roberta L. Klatzky, Patrick Rowe, Jorgen Pedersen, Ralph L. Hollis
Bimanual haptic teleoperation for discovering and uncovering buried objects. ICRA (2013)
Masaaki Kumagai, Ralph L. Hollis
Development and control of a three DOF spherical induction motor. ICRA (2013)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Integrated motion planning and control for graceful balancing mobile robots. Int. J. Robotics Res. 32 (9-10) (2013)
Umashankar Nagarajan, Byungjun Kim, Ralph L. Hollis
Planning in high-dimensional shape space for a single-wheeled balancing mobile robot with arms. ICRA (2012)
Masaaki Kumagai, Ralph L. Hollis
Development and control of a three DOF planar induction motor. ICRA (2012)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Integrated planning and control for graceful navigation of shape-accelerated underactuated balancing mobile robots. ICRA (2012)
Randy Lee, Bing Wu, Roberta L. Klatzky, Vikas Shivaprabhu, John M. Galeotti, Samantha Horvath, Mel W. Siegel, Joel S. Schuman, Ralph L. Hollis, George D. Stetten
Hand-Held Force Magnifier for Surgical Instruments: Evolution toward a Clinical Device. AE-CAI (2012)
George D. Stetten, Bing Wu, Roberta L. Klatzky, John M. Galeotti, Mel W. Siegel, Randy Lee, Francis Mah, Andrew Eller, Joel S. Schuman, Ralph L. Hollis
Hand-Held Force Magnifier for Surgical Instruments. IPCAI (2011)
Bertram J. Unger, Ralph L. Hollis, Roberta L. Klatzky
Roughness Perception in Virtual Textures. IEEE Trans. Haptics 4 (2) (2011)
Masaaki Kumagai, Ralph L. Hollis
Development of a three-dimensional ball rotation sensing system using optical mouse sensors. ICRA (2011)
Bing Wu, Roberta L. Klatzky, Ralph L. Hollis
Force, Torque, and Stiffness: Interactions in Perceptual Discrimination. IEEE Trans. Haptics 4 (3) (2011)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Hybrid control for navigation of shape-accelerated underactuated balancing systems. CDC (2010)
Hanns Tappeiner, Sarjoun Skaff, Tomas Szabo, Ralph L. Hollis
Remote haptic feedback from a dynamic running machine. ICRA (2009)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Human-robot physical interaction with dynamically stable mobile robots. HRI (2009)
Umashankar Nagarajan, Anish Mampetta, George Kantor, Ralph L. Hollis
State transition, balancing, station keeping, and yaw control for a dynamically stable single spherical wheel mobile robot. ICRA (2009)
Hanns Tappeiner, Roberta L. Klatzky, Bertram J. Unger, Ralph L. Hollis
Good vibrations: Asymmetric vibrations for directional haptic cues. WHC (2009)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Trajectory planning and control of an underactuated dynamically stable single spherical wheeled mobile robot. ICRA (2009)
Umashankar Nagarajan, George Kantor, Ralph L. Hollis
Human-robot physical interaction with dynamically stable mobile robots. HRI (2009)
Vinithra Varadharajan, Roberta L. Klatzky, Bertram J. Unger, Robert H. Swendsen, Ralph L. Hollis
Haptic Rendering and Psychophysical Evaluation of a Virtual Three-Dimensional Helical Spring. HAPTICS (2008)
Bertram J. Unger, Ralph L. Hollis, Roberta L. Klatzky
The Geometric Model for Perceived Roughness Applies to Virtual Textures. HAPTICS (2008)
Ralph L. Hollis
Maglev haptics: butterfly haptic's new user interface technology. SIGGRAPH New Tech Demos (2008)
Bertram J. Unger, Ralph L. Hollis, Roberta L. Klatzky
JND Analysis of Texture Roughness Perception using a Magnetic Levitation Haptic Device. WHC (2007)
Tom Lauwers, George Kantor, Ralph L. Hollis
A Dynamically Stable Single-wheeled Mobile Robot with Inverse Mouse-ball Drive. ICRA (2006)
Tom Lauwers, George Kantor, Ralph L. Hollis
One Is Enough!. ISRR (2005)
Bertram J. Unger, Ralph L. Hollis
Design and Operation of a Force-reflecting Magnetic Levitation Coarse-fine Teleoperation System. ICRA (2004)
Tom Lauwers, Zack K. Edmondson, Ralph L. Hollis
Free-roaming Planar Motors: Toward Autonomous Precision Planar Mobile Robots. ICRA (2004)
Bertram J. Unger, Roberta L. Klatzky, Ralph L. Hollis
A telemanipulation system for psychophysical investigation of haptic interaction. ICRA (2003)
Bertram J. Unger, A. Nicolaidis, Peter J. Berkelman, A. Thompson, Susan J. Lederman, Roberta L. Klatzky, Ralph L. Hollis
Virtual Peg-in-Hole Performance Using a 6-DOF Magnetic Levitation Haptic Device: Comparison with Real Forces and with Visual Guidance Alone. Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (2002)
Bertram J. Unger, A. Nicolaidis, Peter J. Berkelman, A. Thompson, Roberta L. Klatzky, Ralph L. Hollis
Comparison of 3-D haptic peg-in-hole tasks in real and virtual environments. IROS (2001)
Alfred A. Rizzi, Jay Gowdy, Ralph L. Hollis
Distributed Coordination in Modular Precision Assembly Systems. Int. J. Robotics Res. 20 (10) (2001)
H. Benjamin Brown, Patrick M. Muir, Alfred A. Rizzi, Maria C. Sensi, Ralph L. Hollis
A precision manipulator module for assembly in a minifactory environment. IROS (2001)
Zack J. Butler, Alfred A. Rizzi, Ralph L. Hollis
Cooperative Coverage of Rectilinear Environments. ICRA (2000)
Peter J. Berkelman, Ralph L. Hollis
Lorentz Magnetic Levitation for Haptic Interaction: Device Design, Performance, and Integration with Physical Simulations. Int. J. Robotics Res. 19 (7) (2000)
Zack J. Butler, Alfred A. Rizzi, Ralph L. Hollis
Simulation and Experimental Evaluation of Complete Sensor-Based Coverage in Rectilinear Environments. ISER (2000)
Richard T. DeLuca, Alfred A. Rizzi, Ralph L. Hollis
Force-Based Interaction for Distributed Precision Assembly. ISER (2000)
Wing-Choi Ma, Alfred A. Rizzi, Ralph L. Hollis
Optical Coordination Sensor for Precision Cooperating Robots. ICRA (2000)
Michael L. Chen, Shinji Kume, Alfred A. Rizzi, Ralph L. Hollis
Visually Guided Coordination for Distributed Precision Assembly. ICRA (2000)
Gregory A. Fries, Alfred A. Rizzi, Ralph L. Hollis
Fluorescent Dye Based Optical Position Sensing for Planar Linear Motors. ICRA (1999)
Yasuyoshi Yokokohji, Ralph L. Hollis, Takeo Kanade
WYSIWYF Display: A Visual/Haptic Interface to Virtual Environment. Presence Teleoperators Virtual Environ. 8 (4) (1999)
Peter J. Berkelman, Ralph L. Hollis, David Baraff
Interaction with a Realtime Dynamic Environment Simulation Using a Magnetic Levitation Haptic Interface Device. ICRA (1999)
Zack J. Butler, Alfred A. Rizzi, Ralph L. Hollis
Integrated Precision 3-DOF Position Sensor for Planar Linear Motors. ICRA (1998)
Arthur E. Quaid, Ralph L. Hollis
3-DOF Closed-Loop Control for Planar Linear Motors. ICRA (1998)
Alfred A. Rizzi, Jay Gowdy, Ralph L. Hollis
Agile assembly architecture: an agent based approach to modular precision assembly systems. ICRA (1997)
Arthur E. Quaid, Yangsheng Xu, Ralph L. Hollis
Force characterization and commutation of planar linear motors. ICRA (1997)
Yasuyoshi Yokokohji, Ralph L. Hollis, Takeo Kanade
What You Can See is What You Can Feel - Development of Visual/Haptic Interface to Virtual Environment. VRAIS (1996)
Arthur E. Quaid, Ralph L. Hollis
Cooperative 2-DOF robots for precision assembly. ICRA (1996)
Yasuyoshi Yokokohji, Ralph L. Hollis, Takeo Kanade
Vision-based visual/haptic registration for WYSIWYF display. IROS (1996)
Septimiu E. Salcudean, N. M. Wong, Ralph L. Hollis
Design and control of a force-reflecting teleoperation system with magnetically levitated master and wrist. IEEE Trans. Robotics Autom. 11 (6) (1995)
Andrew E. Brennemann, Robert Hammer, William V. Jecusco II, Ralph L. Hollis
Sensor based registration and stacking of electronic substrate layers. IEEE Robotics Autom. Mag. 2 (4) (1995)
Peter J. Berkelman, Ralph L. Hollis, Septimiu E. Salcudean
Interacting with virtual environments using a magnetic levitation haptic interface. IROS (1) (1995)
Andrew E. Brennemann, Ralph L. Hollis
Magnetic and optical-fluorescence position sensing for planar linear motors. IROS (3) (1995)
Andrew E. Brennemann, Robert Hammer, Ralph L. Hollis, William V. Jecusco II
Accurate Alignment of Laminate Materials Using Sensor-Based Robot Techniques. ICRA (1994)
Sang-Rok Oh, Ralph L. Hollis, Septimiu E. Salcudean
Precision Assembly with a Magnetically Levitated Wrist. ICRA (1) (1993)
Ralph L. Hollis, Robert Hammer
Real and virtual coarse-fine robot bracing strategies for precision assembly. ICRA (1992)
Robert Hammer, Ralph L. Hollis, C. H. An, F. Henriks
Design and control of an air-bearing supported three degree-of-freedom fine positioner. ICRA (1992)
Septimiu E. Salcudean, N. M. Wong, Ralph L. Hollis
A force-reflecting teleoperation system with magnetically levitated master and wrist. ICRA (1992)
Ralph L. Hollis, Septimiu E. Salcudean, A. Peter Allan
A six-degree-of-freedom magnetically levitated variable compliance fine-motion wrist: design, modeling, and control. IEEE Trans. Robotics Autom. 7 (3) (1991)
T. E. Weber, Ralph L. Hollis
A vision based correlator to actively damp vibrations of a coarse-fine manipulator. ICRA (1989)
Septimiu E. Salcudean, Ralph L. Hollis
A magnetically levitated fine motion wrist: kinematics, dynamics and control. ICRA (1988)
Andrew E. Brennemann, Ralph L. Hollis, Mark A. Lavin, Bela L. Musits
Sensors for robotic assembly. ICRA (1988)
Russell H. Taylor, Ralph L. Hollis, Mark A. Lavin
Precise Manipulation with Endpoint Sensing. IBM J. Res. Dev. 29 (4) (1985)
Ralph L. Hollis
A planar XY robotic fine positioning device. ICRA (1985)