Effects of reference-command preview as humans learn to control dynamic systems

Amelia J.S. Sheffler, S. Alireza Seyyed Mousavi, Erik Hellstrom, Mrdjan Jankovic, Mario A. Santillo, T. M. Seigler, Jesse B. Hoagg

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

We present results from an experiment in which 22 human subjects each interact with a dynamic system 40 times over a one-week period. For each interaction, a subject performs a command-following task. The reference commands are the same for all subjects but different on each trial. The subjects are divided into 2 groups. One group performs the command-following task without reference-command preview, and the other group is provided with l-s preview of the reference command. We use the experimental results to examine the effects of reference-command preview. We also present a subsystem identification algorithm to model the control strategies that each subject uses on each trial. For the group with l-s preview, the average identified feedforward time delay is approximately 26 ms over the last ten trials, whereas the average identified feedforward time delay is approximately 284 ms over the last ten trials for the group without preview. For the group with preview, the average identified feedforward controller approximates the inverse dynamics of the system with which the subjects interact better after 40 trials than on the first trial. In contrast, for the group without preview, the average identified feedforward controller does not approximate the inverse dynamics of the system better after 40 trials.

Original languageEnglish
Title of host publication2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019
Pages4199-4204
Number of pages6
ISBN (Electronic)9781728145693
DOIs
StatePublished - Oct 2019
Event2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019 - Bari, Italy
Duration: Oct 6 2019Oct 9 2019

Publication series

NameConference Proceedings - IEEE International Conference on Systems, Man and Cybernetics
Volume2019-October
ISSN (Print)1062-922X

Conference

Conference2019 IEEE International Conference on Systems, Man and Cybernetics, SMC 2019
Country/TerritoryItaly
CityBari
Period10/6/1910/9/19

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Human-Computer Interaction

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