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Controller Reduction: Concepts and Approaches

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2 Author(s)
Anderson, Brian D.O. ; Department of Systems Engineering, Research School, of Physical Sciences, Australian National University, G.P.O. Box 4, Canberra, A.C.T., Australia. ; Liu, Y.

This paper considers the problem of passing from a linear time-invariant high order controller designed for a linear time-invariant plant (of presumably high order) to a low order approximation of the controller. The approximation problem is often best posed as a frequency weighted L¿ approximation problem. Many different controller representations are possible, giving different performance of the various reduction algorithms.

Published in:

American Control Conference, 1987

Date of Conference:

10-12 June 1987