Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
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Stochastic Dynamic Modeling of Human Visuomotor Tracking Task of an Unstable Virtual Object
Shigeki MatsumotoKatsutoshi YoshidaMunehisa Sekikawa
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JOURNALS OPEN ACCESS

2018 Volume 31 Issue 6 Pages 209-219

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Abstract

We conducted an experiment of a visuomotor tracking task undertaken by human participants and compared it with numerical simulations of the same task performed by a nonlinear stochastic model comprising additive and multiplicative white Gaussian noise, state feedback terms, and a deadband function. We identified the model parameters using particle swarm optimization to minimize squared residuals between the probability density functions (PDFs) of the human and those of the model. All experimentally obtained PDFs were in close agreement with those simulated by the model. We finally propose a reduced model for system identification in order to decrease the number of model parameters and demonstrate that it also reproduces accurate PDFs without prior knowledge of an experimental system.

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© 2018 The Institute of Systems, Control and Information Engineers
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