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Robotics and Automation Lab Haptic glove with distributed force

Most existing haptic gloves are complicated user interfaces with remotely located actuators. More compact and simpler haptic gloves would greatly increase our ability to interact with virtual worlds in a more natural way.

This research explored the design of a compact force feedback glove using a new finger mechanism and magnetorheological (MR) brakes as passive actuators that oppose human finger motion. The glove reduced task completion time by 61% and could support up to 17 N fingertip force along with 11.9 N and 18.7 N middle and proximal digit forces.

R-Glove-1

Finger mechanism consists of two consecutive four-bar linkages. The mechanism allowed reduction of number of actuators and application of distributed forces at the bottom surface of user’s fingers when an object was grasped in a virtual environment.

 

Publications 

  • “Haptic Glove with MR-brakes for distributed finger Force Feedback,” Presence, MIT Press , vol. 18, no. 6, December 2009.
  • “Haptic gloves with compact finger mechanism using active and passive actuation,” Proceedings of the ASME 2009 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2009 , San Diego, CA, 2009 .
  • “Finger mechanism of a haptic glove for force feedback in virtual environments,” Proceedings of the ASME International Mechanical Engineering Congress and Exposition , November, Seattle, WA, 2007.