CEC Faculty Articles

Title

A Subspace Algorithm for Balanced State Space System Identification

Document Type

Article

Date

11-1993

Publication Title

IEEE Transactions on Automatic Control

ISSN or ISBN

0018-9286

Volume

38

Issue

11

First Page

1727

Last Page

1729

Description

n an earlier paper ([SI), an algorithm has been introduced for identifying multivariable linear systems directly from input-output data. This new algorithm falls in the class of so-called subspace methods and resembles impulse response based realization algorithms. In this note, we extend this algorithm by incorporating a balancing step, such that the identified model is always in balanced coordinates. With this modification, one obtains a data driven counterpart for Kung’s realization algorithm.

DOI

10.1109/9.262050

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