CUED Publications database

Identification of externally positive systems

Grussler, C and Umenberger, J and Manchester, IR (2018) Identification of externally positive systems. In: UNSPECIFIED pp. 6549-6554..

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We consider identification of externally positive linear discrete-time systems from input/output data. The proposed method is formulated as a semidefinite program, and is guaranteed to identify models that are ellipsoidal cone-invariant and, consequently, externally positive. We demonstrate empirically that this cone-invariance approach can significantly reduce the conservatism associated with methods that enforce internal positivity as a sufficient condition for external positivity.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div F > Control
Depositing User: Cron Job
Date Deposited: 13 Nov 2018 01:53
Last Modified: 02 Sep 2021 05:58
DOI: 10.1109/CDC.2017.8264646