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.

Author(s):Grimble, M.J.
Item type:Article
ID code:7057
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:03 Jan 2019 11:38
URI:https://strathprints.strath.ac.uk/id/eprint/7057
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