Robert R. Christensen

Inertial-Force Feedback for the Treadport Locomotion Interface

John M. Hollerbach, Yangming Xu, Sanford G. Meek, 2000, Presence: Teleoperators & Virtual Environments.

Design Specifications for the Second Generation Sarcos Treadport Locomotion Interface

John M. Hollerbach, Stephen C. Jacobsen, Robert R. Christensen, 2000, Dynamic Systems and Control: Volume 2.

Torso Force Feedback Realistically Simulates Slope on Treadmill-Style Locomotion Interfaces

John M. Hollerbach, Yangming Xu, William B. Thompson, 2001, Int. J. Robotics Res..

Slope Display on a Locomotion Interface

John M. Hollerbach, Robert R. Christensen, David Tristano, 1999, ISER.