Small-gain stability theorems for positive Lur’e inclusions

Christopher Guiver, Hartmut Logemann, Björn Rüffer

Research output: Contribution to journalArticlepeer-review

3 Citations (SciVal)

Abstract

Stability results are presented for a class of differential and difference inclusions, so-called positive Lur’e inclusions which arise, for example, as the feedback interconnection of a linear positive system with a positive set-valued static nonlinearity. We formulate sufficient conditions in terms of weighted one-norms, reminiscent of the small-gain condition, which ensure that the zero equilibrium enjoys various global stability properties, including asymptotic and exponential stability. We also consider input-to-state stability, familiar from nonlinear control theory, in the context of forced positive Lur’e inclusions. Typical for the study of positive systems, our analysis benefits from comparison arguments and linear Lyapunov functions. The theory is illustrated with examples.
Original languageEnglish
Pages (from-to)249-289
Number of pages41
JournalPositivity
Volume23
Issue number2
Early online date23 Aug 2018
DOIs
Publication statusPublished - 1 Apr 2019

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