文章基本信息

标题：Shaping multisine excitation for closed-loop identification of a flexible transmission
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作者：Bassem Boukhebouz ; Guillaume Mercère ; Mathieu Grossard 等
期刊名称：IFAC PapersOnLine
印刷版ISSN：2405-8963
出版年度：2021
卷号：54
期号：7
页码：643-648
DOI：10.1016/j.ifacol.2021.08.433
语种：English
出版社：Elsevier
摘要：AbstractIn this paper, a heuristic solution is suggested to tune a bounded amplitude multisine control signal in a closed-loop setup. The solution consists in the combination of two algorithms: (i) a first one that minimizes the Crest Factor of the control signal and (ii) a second one to shape the spectrum of the control signal so that it converges to a desired signal via the tuning of the reference spectrum. Considering a flexible motor-to-joint mechanical transmission, an illustrative example based on simulated data shows that the suggested solution allows to avoid nonlinear distortions created by the control signal bounds, thus improving the estimation of the frequency response function.
关键词：KeywordsSystem identificationexcitation designclosed-loop identificationfrequency response functionCrest Factor