Output intersampling approach to direct closed-loop identification

@article{Sun2001OutputIA,
  title={Output intersampling approach to direct closed-loop identification},
  author={Lianming Sun and Hiromitsu Ohmori and Akira Sano},
  journal={IEEE Trans. Automat. Contr.},
  year={2001},
  volume={46},
  pages={1936-1941}
}
A new direct closed-loop identification method, which uses the output intersampling technique, is proposed in this note. By using the intersampled plant input–output data, the proposed method removes the traditional restrictive identifiability condition, and does not require an external persistently exciting (PE) test signal. 

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