2015
DOI: 10.1109/tcyb.2014.2384525
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Methods for Multiloop Identification of Visual and Neuromuscular Pilot Responses

Abstract: In this paper, identification methods are proposed to estimate the neuromuscular and visual responses of a multiloop pilot model. A conventional and widely used technique for simultaneous identification of the neuromuscular and visual systems makes use of cross-spectral density estimates. This paper shows that this technique requires a specific noninterference hypothesis, often implicitly assumed, that may be difficult to meet during actual experimental designs. A mathematical justification of the necessity of… Show more

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Cited by 9 publications
(15 citation statements)
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References 38 publications
(55 reference statements)
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“…This can be approached either by using small rapid transient perturbations [158], or by using continuous perturbations to estimate full-bandwidth admittance. The latter technique has been used to estimate the arm NMS admittance during aircraft control [159]. A particularly useful technique to design continuous force perturbations is the ReducedPower Method [129], which allows full-bandwidth admittance estimates while evoking unperturbed low-bandwidth control behavior.…”
Section: A Haptic Shared Control/neuromuscular Adaptationsmentioning
confidence: 99%
“…This can be approached either by using small rapid transient perturbations [158], or by using continuous perturbations to estimate full-bandwidth admittance. The latter technique has been used to estimate the arm NMS admittance during aircraft control [159]. A particularly useful technique to design continuous force perturbations is the ReducedPower Method [129], which allows full-bandwidth admittance estimates while evoking unperturbed low-bandwidth control behavior.…”
Section: A Haptic Shared Control/neuromuscular Adaptationsmentioning
confidence: 99%
“…2 were estimated, at the input frequencies ω i of the target and disturbance signals. An instrumental-variable multiloop system identification technique was used, based on Fourier coefficients [20], [30]. The same method was used to derive the preview tracking model, see [19], [20] for a complete derivation.…”
Section: ) Tracking Performancementioning
confidence: 99%
“…Three different identification techniques are used in this paper: a CSD-based method, an ARX method, and a novel CSD-ML method [20,28]. These three methods were tested and compared in a previous study dealing with a compensatory tracking task without haptic aids [28].…”
Section: Modeling and Identification Of Pilot Control Behaviormentioning
confidence: 99%
“…The first is based on cross-spectral density analysis (CSD-based method) and has been commonly used for identifying pilot responses [21,27]. However, a recent work showed that the CSD-based method might provide a biased estimate of neuromuscular response if a noninterference hypothesis is not fulfilled [28]. In the same study two novel approaches were proposed to overcome this issue [20,28]: a method based on autoregressive models with exogenous inputs (ARX method), and an adapted version of CSD for a multiloop tracking task (CSD-ML method).…”
Section: Introductionmentioning
confidence: 99%
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