Closed-loop identification of MIMO systems: a new look at identifiability and experiment design

This paper addresses a question raised by a leading expert in the identification of multivariable systems: “Is it necessary to excite all reference signals for the identification of a multivariable system operating in closed loop with a linear time-invariant controller?” On the basis of earlier results on identifiability of closed-loop systems, he conjectured that this was necessary. We show that it is not, on the basis of a careful re-examination of the notions of identifiability and informative experiments for closed-loop systems.


Published in:
Proceedings of European Control Conference 2007
Presented at:
European Control Conference 2007, Kos, Greece, July, 2007
Year:
2007
Publisher:
European Union Control Association
Keywords:
Laboratories:




 Record created 2009-01-13, last modified 2018-03-17

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