A note on order reduction by the discrete-time least-squares Padé method

T. Nigel Lucas

doi:10.1243/0959651991540386

A note on order reduction by the discrete-time least-squares Padé method

T. Nigel Lucas

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

It is shown that reduced order models produced by the least-squares Padé method for discrete-time systems can sometimes produce misleading results for step and polynomial inputs. A more representative way of deriving such models is put forward and a numerical example is given to illustrate the points raised in the discussion.

Original language	English
Pages (from-to)	61-64
Number of pages	4
Journal	Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
Volume	213
Issue number	1
DOIs	https://doi.org/10.1243/0959651991540386
Publication status	Published - 1 Feb 1999

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abstract = "It is shown that reduced order models produced by the least-squares Pad{\'e} method for discrete-time systems can sometimes produce misleading results for step and polynomial inputs. A more representative way of deriving such models is put forward and a numerical example is given to illustrate the points raised in the discussion.",

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AB - It is shown that reduced order models produced by the least-squares Padé method for discrete-time systems can sometimes produce misleading results for step and polynomial inputs. A more representative way of deriving such models is put forward and a numerical example is given to illustrate the points raised in the discussion.

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JO - Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering

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