Simple scheme for internal model based control

G. Weiss*, D. Neuffer, D. H. Owens

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


We propose a very simple method for tracking and disturbance rejection, when the reference and disturbance signals are superpositions of finitely many sinusoids (including constants). The internal model is a convex combination of partial internal models for the individual frequencies of interest. The stabilizing compensator is designed by solving a weighted sensitivity H problem, which is independent of the frequencies involved, or of their number. The results remain valid for infinite-dimensional plants. We comment also on the robustness properties of such control systems.

Original languageEnglish
Pages (from-to)630-634
Number of pages5
JournalIEE Conference Publication
Issue number455
StatePublished - Jan 1998
Externally publishedYes
EventProceedings of the 1998 International Conference on Control. Part 2 (of 2) - Swansea, UK
Duration: 1 Sep 19984 Sep 1998


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