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Command Filtered Backstepping

Farrell, J.A., Polycarpou, M., Sharma, M., Wenjie Dong·2009·IEEE Transactions on Automatic Control

Abstract

Implementation of backstepping becomes increasingly complex as the order of the system increases. This increasing complexity is mainly driven by the need to compute command derivatives at each step of the design, with the ultimate step requiring derivatives of the same order as the plant. This article addresses a modification that obviates the need to compute analytic derivatives by introducing command filters in the backstepping design. While the concept of the command filter has previously been introduced in the literature, the main contribution of this technical note is the rigorous analysis of the effect of the command filter on closed-loop stability and performance, and a proof of stability based on Tikhonov's theorem. The implementation approach includes a compensated tracking error that retains the standard stability properties of backstepping approaches.

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Metadata

Authors
Farrell, J. A., Polycarpou, M., Sharma, M., & Dong, W.
Venue
IEEE Transactions on Automatic Control
Published
2009-06
Volume
54
Issue
6
Pages
1391-1395
ISSN
  • 0018-9286 (ISSN-L)
  • 1558-2523
OpenAlex
W2175091750
Cited by
1,257
References
0
FWCI
13.37
Type
journal article
Language
en
Open access
closed

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