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Suboptimal periodic control: A describing function approach

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3 Author(s)
Bertele, U. ; Politecnico di Milano, Milan, Italy ; Guardabassi, G. ; Ricci, S.

This paper deals with a periodic optimization problem. Specifically, an optimal (suboptimal) periodic control for a single-input single-output time-invariant linear system is shown to be easily obtainable via a describing function approach. This also allows pointing out some interesting features of the problem and the significant role played by the concept of resonance frequency.

Published in:

Automatic Control, IEEE Transactions on  (Volume:17 ,  Issue: 3 )