Time and frequency domain convergence properties in iterative learning control
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- 1 January 2002
- journal article
- research article
- Published by Taylor & Francis in International Journal of Control
- Vol. 75 (14) , 1114-1126
Abstract
The convergence properties of iterative learning control (ILC) algorithms are considered. The analysis is carried out in a framework using linear iterative systems, which enables several results from the theory of linear systems to be applied. This makes it possible to analyse both first-order and high-order ILC algorithms in both the time and frequency domains. The time and frequency domain results can also be tied together in a clear way. Results are also given for the iterationvariant case, i.e. when the dynamics of the system to be controlled or the ILC algorithm itself changes from iteration to iteration.Keywords
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