Ralph Hollis

Carnegie Mellon University, IBM Research - Thomas J. Watson Research Center, IBM (United States), Robotics Research (United States), Zhejiang University

Papers

56

Total Citations

1,846

H-Index

21

About

No biography available yet.

Research Focus

Computer science56 · 1,846 citations
Artificial intelligence50 · 1,790 citations
Robot45 · 1,673 citations
Engineering41 · 1,580 citations
Mobile robot26 · 1,113 citations
Simulation21 · 1,095 citations
Control theory (sociology)21 · 1,077 citations
Control (management)18 · 985 citations
Mathematics18 · 912 citations
Control engineering18 · 811 citations
Physics18 · 751 citations
Motion control5 · 589 citations

Key Achievements

21
H-Index
56
Papers
1,846
Total Citations
33
Avg Citations/Paper
🏆 Most Cited Paper
A dynamically stable single-wheeled mobile robot with inverse mouse-ball drive
261 citations · 2006
📈 Most Prolific Year: 2002 (8 Papers)
🤝 Key Collaborators: 55
🏛 Institutions: Carnegie Mellon University, IBM Research - Thomas J. Watson Research Center, IBM (United States), Robotics Research (United States), Zhejiang University

Top Papers

  1. 1
    A dynamically stable single-wheeled mobile robot with inverse mouse-ball drive
    261 citations · 2006
  2. 2
    A six-degree-of-freedom magnetically levitated variable compliance fine-motion wrist: design, modeling, and control
    195 citations · 1991
  3. 3
    The ballbot: An omnidirectional balancing mobile robot
    120 citations · 2013
  4. 4
    State transition, balancing, station keeping, and yaw control for a dynamically stable single spherical wheel mobile robot
    105 citations · 2009
  5. 5
    Trajectory planning and control of an underactuated dynamically stable single spherical wheeled mobile robot
    101 citations · 2009
  6. 6
    One Is Enough!
    90 citations · 2007
  7. 7
    Design and control of a force-reflecting teleoperation system with magnetically levitated master and wrist
    83 citations · 1995
  8. 8
    Contact sensor-based coverage of rectilinear environments
    79 citations · 1999
  9. 9
    Precise manipulation with endpoint sensing
    46 citations · 1985
  10. 10
    Cooperative coverage of rectilinear environments
    42 citations · 2002

Key Collaborators

GKGeorge Kantor10 shared papersUNUmashankar Nagarajan9 shared papersARA.A. Rizzi7 shared papersMSMichael Shomin6 shared papersZBZack Butler6 shared papersAAAlfred A. Rizzi5 shared papersMKMasaaki Kumagai3 shared papersABA. Brennemann3 shared papersSESeptimiu E. Salcudean3 shared papersJGJay Gowdy3 shared papersTLTom Lauwers3 shared papersAQA. Quaid3 shared papersCNCameron N. Riviere2 shared papersPBPeter Berkelman2 shared papersJNJoseph N. Martel2 shared papersLALouis A. Lobes2 shared papersRPRobert P. Hammer2 shared papersABAnkit Bhatia2 shared papersMAMark A. Lavin2 shared papersJFJodi Forlizzi2 shared papers
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