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Robust stability of multi‐loop continuous time self‐tuning controllers
Author(s) -
Gawthrop P. J.
Publication year - 1990
Publication title -
international journal of adaptive control and signal processing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.73
H-Index - 66
eISSN - 1099-1115
pISSN - 0890-6327
DOI - 10.1002/acs.4480040504
Subject(s) - control theory (sociology) , robustness (evolution) , weighting , transfer function , robust control , stability (learning theory) , singular value , computer science , self tuning , loop (graph theory) , control engineering , control system , engineering , mathematics , control (management) , pid controller , physics , artificial intelligence , temperature control , chemistry , acoustics , biochemistry , quantum mechanics , machine learning , eigenvalues and eigenvectors , electrical engineering , gene , combinatorics
The results of an earlier paper concerning global robustness of single‐loop self‐tuning controllers are extended to include multiple self‐tuning controllers operating in a multiple‐interacting‐loop environment. The robust stability is shown to depend on the singular value loci of a certain transfer function matrix. The need for control weighting to ensure global robust stability is emphasized.