NDLI: An adaptive system model of human precision grip

Content Provider	IEEE Xplore Digital Library
Author	Engeberg, E.D.
Copyright Year	2012
Description	Author affiliation: The University of Akron, OH, USA (Engeberg, E.D.)
Abstract	Eight human test subjects attempted to make the position signal from an instrumented manipulandum match a pyramidical desired position signal displayed on a computer monitor. The eight test subjects used the manipulandum with three different levels of stiffness. A transfer function was developed to represent the human-manipulandum system from the data on the first step, when the test subjects initially displaced the manipulandum to learn the stiffness of the system. Another transfer function was formed from the data on the subsequent steps in the pyramidical trajectory, after significant displacement of the manipulandum occurred. Neither of these transfer functions accurately model the system dynamics for the duration of the experiments. For this reason, an adaptive system model is developed to account for the learning process of the human test subjects as they displaced the manipulandum to gain knowledge of the system stiffness. The adaptive system model was subsequently validated by comparison to the human test subject data. An examination of the average absolute error between the position predicted by the adaptive model and the actual experimental data yields an overall average error of 0.26mm for all three levels of stiffness. A statistical analysis shows that the adaptive model predicts a significantly lower amount of error than the other two transfer functions.
Starting Page	431
Ending Page	437
File Size	870523
Page Count	7
File Format	PDF
ISBN	9781467308083
e-ISBN	9781467308090
e-ISBN	9781467308076
DOI	10.1109/HAPTIC.2012.6183827
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-04
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptation models Humans Transfer functions Data models Mathematical model Adaptive systems Trajectory perception Attention cognition dynamic systems and control human performance
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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