Robustness of full order and restricted structure optimal control systems

Grimble, M.J. (2004) Robustness of full order and restricted structure optimal control systems. International Journal of Systems Science, 35 (6). pp. 375-388. ISSN 0020-7721

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Abstract

A simple method for modifying and improving the robustness of LQG optimal controllers is considered. A sensitivity costing term is introduced into the cost index and a fictitious disturbance signal, which affects robustness margins, is discussed. The influence is somewhat different on full-order and restricted-structure designs, and this is explored. Finally, the effect of a coloured measurement noise model on the robustness of the solution is investigated.

  • Item type:Article
    ID code:7057
    Dates:
    Date
    Event
    May 2004
    Published
    Keywords:continuous time systems, control system synthesis, linear quadratic Gaussian control, linear systems, optimal control, robust control, sensitivity, Electrical engineering. Electronics Nuclear engineering, Control and Systems Engineering, Computer Science Applications, Theoretical Computer Science
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Strathprints Administrator
    Date deposited:27 Oct 2008
    Last modified:20 Jan 2021 17:22
    URI:https://strathprints.strath.ac.uk/id/eprint/7057
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