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Engineering and Technology

D-Index
36
Citations
4856
World Ranking
8758
National Ranking
2427

Overview

Ralph L. Hollis is affiliated with Carnegie Mellon University in the United States. Their research primarily spans the field of Engineering, with a particular focus on Control and Systems Engineering, Biomedical Engineering, Computer Vision and Pattern Recognition, Mechanical Engineering, and Aerospace Engineering. The body of work covers interdisciplinary topics involving robotics and human motion among other areas.

The main topics of Ralph L. Hollis's research include:

  • Robotic Locomotion and Control
  • Robotic Path Planning Algorithms
  • Robotic Mechanisms and Dynamics
  • Control and Dynamics of Mobile Robots
  • Human Motion and Animation
  • Augmented Reality Applications
  • Teleoperation and Haptic Systems

The scientist has contributed to several recent papers, demonstrating a focus on robotics, mobile manipulation, and sensor calibration. These papers include:

  • Momentum based Whole-Body Optimal Planning for a Single-Spherical-Wheeled Balancing Mobile Manipulator, 2021, 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
  • Wheelchair Maneuvering with a Single-Spherical-Wheeled Balancing Mobile Manipulator, 2024, arXiv (Cornell University)
  • Interactive Navigation with Adaptive Non-prehensile Mobile Manipulation, 2024, arXiv (Cornell University)
  • Wallbounce: Push wall to navigate with Contact-Implicit MPC, 2024, arXiv (Cornell University)
  • Calibration and Characterization of Electromagnetic Position and Orientation Trackers, 2025, IEEE Sensors Journal

Frequent co-authors collaborating with Ralph L. Hollis include Cunxi Dai, Roberto Shu, Zhongyu Li, and Xiaohan Liu, indicating ongoing partnerships in the research community.

The scientist's work is published in a range of venues that reflect the multidisciplinary nature of their research. Frequent publication venues are:

  • arXiv (Cornell University)
  • 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
  • IEEE Sensors Journal
  • Journal of Orthopaedic Research®
  • IEEE Robotics and Automation Letters

Best Publications

  • A dynamically stable single-wheeled mobile robot with inverse mouse-ball drive

    T.B. Lauwers;G.A. Kantor;R.L. Hollis

  • Input-output system for computer user interface using active magnetic levitation

    Ralph L. Hollis;Septimiu E. Salcudean

  • A six-degree-of-freedom magnetically levitated variable compliance fine-motion wrist: design, modeling, and control

    R.L. Hollis;S.E. Salcudean;A.P. Allan

  • What you can see is what you can feel-development of a visual/haptic interface to virtual environment

    Y. Yokokohji;R.L. Hollis;T. Kanade

  • On the Emulation of Stiff Walls and Static Friction With a Magnetically Levitated Input/Output Device

    S. E. Salcudean;T. D. Vlaar

  • The ballbot: An omnidirectional balancing mobile robot

    Umashankar Nagarajan;George Kantor;Ralph Hollis

  • State transition, balancing, station keeping, and yaw control for a dynamically stable single spherical wheel mobile robot

    Umashankar Nagarajan;Anish Mampetta;George A. Kantor;Ralph L. Hollis

  • Trajectory planning and control of an underactuated dynamically stable single spherical wheeled mobile robot

    Umashankar Nagarajan;George Kantor;Ralph L. Hollis

  • Design and control of a force-reflecting teleoperation system with magnetically levitated master and wrist

    S.E. Salcudean;N.M. Wong;R.L. Hollis

  • Toward a tele-nanorobotic manipulation system with atomic scale force feedback and motion resolution

    R.L. Hollis;S. Salcudean;D.W. Abraham

  • WYSIWYF Display: A Visual/Haptic Interface to Virtual Environment

    Yasuyoshi Yokokohji;Ralph L. Hollis;Takeo Kanade

  • Toward machine mediated training of motor skills. Skill transfer from human to human via virtual environment

    Y. Yokokohji;R.L. Hollis;T. Kanade;K. Henmi

  • Agile assembly architecture: an agent based approach to modular precision assembly systems

    A.A. Rizzi;J. Gowdy;R.L. Hollis

  • A six degree-of-freedom magnetically levitated variable compliance fine motion wrist

    R. L. Hollis;A. P. Allan;S. Salcudean

  • One Is Enough

    Tom Lauwers;George Kantor;Ralph L. Hollis

  • DESIGN OF A HEMISPHERICAL MAGNETIC LEVITATION HAPTIC INTERFACE DEVICE

    Peter J. Berkelman;Zack J. Butler;Ralph L. Hollis

  • Contact sensor-based coverage of rectilinear environments

    Z.J. Butler;A.A. Rizzi;R.L. Hollis

  • Dynamic balancing mobile robot

    Ralph L. Hollis

  • Lorentz Magnetic Levitation for Haptic Interaction: Device Design, Performance, and Integration with Physical Simulations:

    Peter J. Berkelman;Ralph L. Hollis

  • Interacting with virtual environments using a magnetic levitation haptic interface

    P.J. Berkelman;R.L. Hollis;S.E. Salcudean

  • A force-reflecting teleoperation system with magnetically levitated master and wrist

    S.E. Salcudean;N.M. Wong;R.L. Hollis

Frequent Co-Authors

Alfred A. Rizzi
Alfred A. Rizzi Boston Dynamics (United States)
Roberta L. Klatzky
Roberta L. Klatzky Carnegie Mellon University
Septimiu E. Salcudean
Septimiu E. Salcudean University of British Columbia
Takeo Kanade
Takeo Kanade Carnegie Mellon University
Russell H. Taylor
Russell H. Taylor Johns Hopkins University
Cameron N. Riviere
Cameron N. Riviere Carnegie Mellon University
Joel S. Schuman
Joel S. Schuman Wills Eye Hospital
Jodi Forlizzi
Jodi Forlizzi Carnegie Mellon University
Thomas H. DiStefano
Thomas H. DiStefano Centipede Systems
Tsuneo Yoshikawa
Tsuneo Yoshikawa Ritsumeikan University

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