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Evaluation of Tactile Feedback Methods for Wrist Rotation Guidance
Third Quarter 2012 (vol. 5 no. 3)
pp. 240-251
ASCII Text
x 
 
Andrew A. Stanley, Katherine J. Kuchenbecker, "Evaluation of Tactile Feedback Methods for Wrist Rotation Guidance," IEEE Transactions on Haptics, vol. 5, no. 3, pp. 240-251, Third Quarter, 2012.
 
 
BibTex
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@article{ 10.1109/TOH.2012.33,
author = {Andrew A. Stanley and Katherine J. Kuchenbecker},
title = {Evaluation of Tactile Feedback Methods for Wrist Rotation Guidance},
journal ={IEEE Transactions on Haptics},
volume = {5},
number = {3},
issn = {1939-1412},
year = {2012},
pages = {240-251},
doi = {http://doi.ieeecomputersociety.org/10.1109/TOH.2012.33},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Haptics
TI - Evaluation of Tactile Feedback Methods for Wrist Rotation Guidance
IS - 3
SN - 1939-1412
SP240
EP251
EPD - 240-251
A1 - Andrew A. Stanley,
A1 - Katherine J. Kuchenbecker,
PY - 2012
KW - Wrist
KW - Actuators
KW - Tactile sensors
KW - Servomotors
KW - Vibrations
KW - Humans
KW - Trajectory
KW - human factors.
KW - Wearable tactile devices
KW - tactile rendering
KW - motion guidance
VL - 5
JA - IEEE Transactions on Haptics
ER -
 
Andrew A. Stanley, University of Pennsylvania, Philadelphia and Stanford University, Stanford
Katherine J. Kuchenbecker, University of Pennsylvania, Philadelphia
Tactile motion guidance systems aim to direct the user's movement toward a target pose or trajectory by delivering tactile cues through lightweight wearable actuators. This study evaluates 10 forms of tactile feedback for guidance of wrist rotation to understand the traits that influence the effectiveness of such systems. We present five wearable actuators capable of tapping, dragging across, squeezing, twisting, or vibrating against the user's wrist; each actuator can be controlled via steady or pulsing drive algorithms. Ten subjects used each form of feedback to perform three unsighted movement tasks: directional response, position targeting, and trajectory following. The results show that directional responses are fastest when direction is conveyed through the location of the tactile stimulus or steady lateral skin stretch. Feedback that clearly conveys movement direction enables subjects to reach target positions most quickly, though tactile magnitude cues (steady intensity and especially pulsing frequency) can also be used when direction is difficult to discern. Subjects closely tracked arbitrary trajectories only when both movement direction and cue magnitude were subjectively rated as very easy to discern. The best overall performance was achieved by the actuator that repeatedly taps on the subject's wrist on the side toward which they should turn.

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Index Terms:
Wrist,Actuators,Tactile sensors,Servomotors,Vibrations,Humans,Trajectory,human factors.,Wearable tactile devices,tactile rendering,motion guidance
Citation:
Andrew A. Stanley, Katherine J. Kuchenbecker, "Evaluation of Tactile Feedback Methods for Wrist Rotation Guidance," IEEE Transactions on Haptics, vol. 5, no. 3, pp. 240-251, Third Quarter 2012, doi:10.1109/TOH.2012.33
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