A convex parametrization of risk-adjusted stabilizing controllers

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    Abstract

    The focal point of this paper is the synthesis of controllers under risk-specifications. In recent years there has been a growing interest in the development of techniques for controller design where, instead of requiring that the performance specifications are met for every possible value of admissible uncertainty, it is required that the risk of performance violation is below a small well-defined risk level. In contrast to previous work, where the search for the controller gains is done using randomized algorithms, the results in this paper show that for a class of uncertain linear time invariant systems, the search for the "risk-adjusted" controller can be done efficiently using deterministic algorithms. More precisely, for the case when the characteristic polynomial of the closed loop system depends affinely on the uncertainty, we provide a convex parametrization of "risk-adjusted" stabilizing controllers.

    Original languageEnglish (US)
    Pages (from-to)1829-1835
    Number of pages7
    JournalAutomatica
    Volume39
    Issue number10
    DOIs
    StatePublished - Oct 2003

    All Science Journal Classification (ASJC) codes

    • Control and Systems Engineering
    • Electrical and Electronic Engineering

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