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Analysis of position and isometric joysticks for powered wheelchair driving

Cooper, RA and Jones, DK and Fitzgerald, S and Boninger, ML (2000) Analysis of position and isometric joysticks for powered wheelchair driving. IEEE Transactions on Biomedical Engineering, 47 (7). 902 - 910. ISSN 0018-9294

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Abstract

The control interface is one of the most critical components of the electric-powered wheelchair (EPW). The control interface must accommodate the user's limitations and maximize the user's abilities. This study extended Fitts' Law for target-acquisition to a continuously updated target. The extended Fitts' Law was used to examine EPW driving with a standard position sensing joystick and a prototype isometric joystick (IJ). The extended Fitts' Law provides insight into the difficulty of performing target-acquisition tasks with an EPW. The test results showed significant differences (p < 0.05) among the two types of joysticks for selected measures of information processing capacity, movement time, root-mean-square-error, and average velocity while performing turning maneuvers. The mean values indicate that the IJ may provide superior turning performance.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Cooper, RARCOOPER@pitt.eduRCOOPER
Jones, DK
Fitzgerald, S
Boninger, MLboninger@pitt.eduBONINGER
Centers: Other Centers, Institutes, Offices, or Units > Human Engineering Research Laboratories
Date: 12 July 2000
Date Type: Publication
Journal or Publication Title: IEEE Transactions on Biomedical Engineering
Volume: 47
Number: 7
Page Range: 902 - 910
DOI or Unique Handle: 10.1109/10.846684
Schools and Programs: School of Health and Rehabilitation Sciences > Rehabilitation Science and Technology
Refereed: Yes
ISSN: 0018-9294
MeSH Headings: Algorithms; Biomedical Engineering; Electricity; Equipment Design; Humans; Wheelchairs
PubMed ID: 10916261
Date Deposited: 03 Oct 2012 20:34
Last Modified: 02 Feb 2019 16:57
URI: http://d-scholarship.pitt.edu/id/eprint/14581

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