Bandwidth-on-demand motion control

S.J.L.M. Van Loon, B.G.B. Hunnekens, A.S. Simon, N. van de Wouw, W.P.M.H. Heemels

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
1 Downloads (Pure)

Abstract

In this brief, we introduce a 'bandwidth-on-demand' variable-gain control (VGC) strategy that allows for a varying bandwidth of the feedback controller. The proposed VGC can achieve improved performance given time-varying, reference-dependent performance requirements compared with linear time-invariant (LTI) control suffering from design tradeoffs between low-frequency tracking performance and sensitivity to higher-frequency disturbances. The VGC consists of frequency-domain loop-shaped linear filters and a variable-gain element, which depends on reference information. We present easy-to-use controller design guidelines and data-based frequency-domain conditions to verify stability and convergence of the closed-loop system. Moreover, the ability of the 'bandwidth-on-demand' controller to outperform LTI controllers is emphasized through experiments on an industrial nanopositioning motion stage.

Original languageEnglish
Article number7845643
Pages (from-to)265-273
Number of pages9
JournalIEEE Transactions on Control Systems Technology
Volume26
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Motion control
Gain control
Bandwidth
Controllers
Closed loop systems
Feedback
Experiments

Keywords

  • Control design tradeoffs
  • frequency-domain
  • industrial application
  • motion control
  • variable-gain control (VGC)

Cite this

Van Loon, S.J.L.M. ; Hunnekens, B.G.B. ; Simon, A.S. ; van de Wouw, N. ; Heemels, W.P.M.H. / Bandwidth-on-demand motion control. In: IEEE Transactions on Control Systems Technology. 2018 ; Vol. 26, No. 1. pp. 265-273.
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Bandwidth-on-demand motion control. / Van Loon, S.J.L.M.; Hunnekens, B.G.B.; Simon, A.S.; van de Wouw, N.; Heemels, W.P.M.H.

In: IEEE Transactions on Control Systems Technology, Vol. 26, No. 1, 7845643, 01.01.2018, p. 265-273.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Van Loon, S.J.L.M.

AU - Hunnekens, B.G.B.

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