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Optimal controllers are fragile

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1 Author(s)
Afolabi, D. ; Dept. of Mech. Eng., Indiana Univ., Indianapolis, IN, USA

Optimal controllers are structurally unstable. The instability is intrinsic because of constrained optimization. This kind of instability is sometimes identified with "fragility" in the control literature. The fragility is related to hidden degeneracies in the polynomials and matrices of the optimized systems, and may detected by looking for certain catastrophe fingerprints.

Published in:

American Control Conference, 2003. Proceedings of the 2003  (Volume:6 )

Date of Conference:

4-6 June 2003