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conference paper
Closed-loop identification of MIMO systems: a new look at identifiability and experiment design
2007
Proceedings of European Control Conference 2007
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.
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ECC07_BGM_final.pdf
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openaccess
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