A design procedure for the exact H siso‐robust performance problem

R. E. Nordgren, Matthew Franchek, O. D.I. Nwokah

    Research output: Contribution to journalArticlepeer-review

    8 Scopus citations

    Abstract

    Presented in this paper is a loop-shaping solution to the H robust performance problem for a class of SISO systems. The key feature of this work is the explicit incorporation of phase information into the controller synthesis to facilitate loop-shaping over all frequencies. Consequently, a significant reduction in the required controller gain/bandwidth is achieved. It is also shown that the optimal solution, in the sense of controller gain/bandwidth minimization, to the robust performance problem is that which makes μ = 1 over all frequencies. This is different from the usual definition of optimality in the H/μ literature. An example is included for completeness.

    Original languageEnglish (US)
    Pages (from-to)107-118
    Number of pages12
    JournalInternational Journal of Robust and Nonlinear Control
    Volume5
    Issue number2
    DOIs
    StatePublished - 1995

    Keywords

    • H
    • QFT
    • loop shaping
    • μ‐synthesis

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • General Chemical Engineering
    • Biomedical Engineering
    • Aerospace Engineering
    • Mechanical Engineering
    • Industrial and Manufacturing Engineering
    • Electrical and Electronic Engineering

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