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Norm-optimal control of time-varying discrete repetitive processes

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2 Author(s)
Omer, E.A. ; Div. of Eng., Colorado Sch. of Mines, Golden, CO, USA ; Moore, K.L.

This paper extends the norm-optimal control design methodology of iterative learning control to the case of time-varying discrete repetitive processes. As a first contribution, starting from a lifting-based formulation, we show a novel iteration-domain state-space description for discrete-repetitive processes. We then pose and solve the norm-optimal control problem for this class of systems. We present solutions for three cases: optimal regulation, two-degree-of-freedom optimal tracking, and optimal robust servomechanism-based tracking of iteration-invariant reference signals.

Published in:

Intelligent Control (ISIC), 2011 IEEE International Symposium on

Date of Conference:

28-30 Sept. 2011