Improving intersample behavior in discrete-time system inversion: with application to LTI and LPTV systems

Jurgen C.D. van Zundert (Corresponding author), Wataru Ohnishi, Hiroshi Fujimoto, Tom Oomen

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Discrete-time system inversion for perfect tracking goes at the expense of intersample behavior. The aim of this article is the development of a discrete-time inversion approach that improves continuous-time performance by also addressing the intersample behavior. The approach balances the on-sample and intersample behavior and provides a whole range of new solutions, with stable inversion and multirate inversion as special cases. The approach is successfully applied to a linear periodically time-varying system in both simulations and experiments. The approach improves the intersample behavior through discrete-time system inversion and outperforms existing approaches.

Originele taal-2Engels
Artikelnummer8902055
Pagina's (van-tot)55-65
Aantal pagina's11
TijdschriftIEEE/ASME Transactions on Mechatronics
Volume25
Nummer van het tijdschrift1
Vroegere onlinedatum2019
DOI's
StatusGepubliceerd - feb 2020

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