Abstract
A class of identification algorithms for the closed-loop identification problem is discussed based on the output inter-sampling scheme. It is illustrated that the inter-sampled linear plant has a special single-input multiple-output model structure with common control input, and the inter-sampled output has cyclostationary property. Thus it can be clarified that the identifiability of the algorithm can be guaranteed by the multiple model structure in the time domain, and the cyclostationary property can be used to eliminate the correlation between the plant input and output noise in the frequency domain even though no persistently exciting reference signal is available. Some simulation and experiment results demonstrate the effectiveness of the proposed algorithms.
Published Version
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