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Effects of Force Feedback and Arm Compliance on Teleoperation for a Hygiene Task,
(Georgia Institute of Technology, 2010-07)
Teleoperated assistive robots with compliant arms may be well-suited to tasks that require contact with people and operation within human environments. However, little is known about the effects of force feedback and ...
Whole-arm Tactile Sensing for Beneficial and Acceptable Contact During Robotic Assistance
(Georgia Institute of Technology, 2013-06)
Many assistive tasks involve manipulation near the care-receiver's body, including self-care tasks such as dressing, feeding, and personal hygiene. A robot can provide assistance with these tasks by moving its end effector ...
Fast Reaching in Clutter While Regulating Forces Using Model Predictive Control
(Georgia Institute of Technology, 2013-10)
Moving a robot arm quickly in cluttered and unmodeled workspaces can be difficult because of the inherent risk of high impact forces. Additionally, compliance by itself is not enough to limit contact forces due to ...
Reaching in clutter with whole-arm tactile sensing
(Georgia Institute of Technology, 2013-04)
Clutter creates challenges for robot manipulation, including a lack of non-contact trajectories and reduced visibility for line-of-sight sensors. We demonstrate that robots can use whole-arm tactile sensing to perceive ...
Visual Odometry and Control for an Omnidirectional Mobile Robot with a Downward-Facing Camera
(Georgia Institute of Technology, 2010-10)
An omnidirectional Mecanum base allows for more flexible mobile manipulation. However, slipping of the Mecanum wheels results in poor dead-reckoning estimates from wheel encoders, limiting the accuracy and overall utility ...
Tactile Sensing over Articulated Joints with Stretchable Sensors
(Georgia Institute of Technology, 2013-04)
Biological organisms benefit from tactile sensing across the entire surfaces of their bodies. Robots may also be able to benefit from this type of sensing, but fully covering a robot with robust and capable tactile sensors ...