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An LMI approach to fixed order LTR controller

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4 Author(s)
Shafai, B. ; Northeastern Univ., Boston, MA, USA ; Uddin, V. ; Niemann, H.H. ; Stoustrup, J.

In this paper the problem of optimal ℋ norm approximation of an LTR controller with specified poles is considered. A structurally predefined fixed order LTR controller is introduced which has the same dimension as the number of transmission zeros. It is shown that the design problem can be reduced into an equivalent convex optimization problem involving LMI which can be solved efficiently. We demonstrate the performance of this LTR controller by comparing it to a functional observer-based LTR controller of the same dimension

Published in:

Decision and Control, 1996., Proceedings of the 35th IEEE Conference on  (Volume:4 )

Date of Conference:

11-13 Dec 1996