Preliminary Two Dimensional Haptic Thresholds and Task Performance Enhancements

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11th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'03)

Los Angeles, California, U.S.A.

March 22-March 23

ISBN: 0-7695-1890-7

	ASCII Text	x
	Gregory S. Lee, Blake Hannaford, "Preliminary Two Dimensional Haptic Thresholds and Task Performance Enhancements," Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on, pp. 85, 11th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'03), 2003.

	BibTex	x
	@article{ 10.1109/HAPTIC.2003.1191238, author = {Gregory S. Lee and Blake Hannaford}, title = {Preliminary Two Dimensional Haptic Thresholds and Task Performance Enhancements}, journal ={Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on}, volume = {0}, year = {2003}, isbn = {0-7695-1890-7}, pages = {85}, doi = {http://doi.ieeecomputersociety.org/10.1109/HAPTIC.2003.1191238}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on TI - Preliminary Two Dimensional Haptic Thresholds and Task Performance Enhancements SN - 0-7695-1890-7 SP EP A1 - Gregory S. Lee, A1 - Blake Hannaford, PY - 2003 KW - null VL - 0 JA - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on ER -

Gregory S. Lee, University of Washington

Blake Hannaford, University of Washington

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/HAPTIC.2003.1191238

Many tasks may be per ormed with greater efficiency and speed with haptic assistance. Using the Penbased Haptic Display, a low-power, low-friction, and high-precision device, we performed two separate experiments to measure two properties of human/haptic interactions. In the first experiment, we measured the level of force at which a subject may detect the presence of haptic feedback at a 71% accuracy level using a converging adaptive threshold algorithm. The average haptic threshold of eleven subjects was 20.8 milliNewtons. The second experiment quantifies changes in task performance using Fitts? Law. We measured improvements at three force levels compared to no force.

Citation:

Gregory S. Lee, Blake Hannaford, "Preliminary Two Dimensional Haptic Thresholds and Task Performance Enhancements," haptics, pp.85, 11th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'03), 2003

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