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PI output feedback control of differential linear repetitive processes

PI output feedback control of differential linear repetitive processes
PI output feedback control of differential linear repetitive processes
Repetitive processes are characterized by a series of sweeps, termed passes, through a set of dynamics defined over a finite duration known as the pass length. On each pass an output, termed the pass profile, is produced which acts as a forcing function on, and hence contributes to, the dynamics of the next pass profile. This can lead to oscillations which increase in amplitude in the pass-to-pass direction and cannot be controlled by standard control laws. Here we give new results on the design of physically based control laws. These are for the sub-class of so-called differential linear repetitive processes which arise in applications areas such as iterative learning control. They show how a form of proportional-integral (PI) control based only on process outputs can be designed to give stability plus performance and disturbance rejection.
0005-1098
1442-1445
Sulikowski, B
ce04e038-a46c-42fc-b23e-a21ce55f5b3d
Galkowski, K
65b638be-b5a5-4e25-b1b8-e152c08a1cbb
Rogers, E
611b1de0-c505-472e-a03f-c5294c63bb72
Sulikowski, B
ce04e038-a46c-42fc-b23e-a21ce55f5b3d
Galkowski, K
65b638be-b5a5-4e25-b1b8-e152c08a1cbb
Rogers, E
611b1de0-c505-472e-a03f-c5294c63bb72

Sulikowski, B, Galkowski, K and Rogers, E (2008) PI output feedback control of differential linear repetitive processes. Automatica, 44, 1442-1445.

Record type: Article

Abstract

Repetitive processes are characterized by a series of sweeps, termed passes, through a set of dynamics defined over a finite duration known as the pass length. On each pass an output, termed the pass profile, is produced which acts as a forcing function on, and hence contributes to, the dynamics of the next pass profile. This can lead to oscillations which increase in amplitude in the pass-to-pass direction and cannot be controlled by standard control laws. Here we give new results on the design of physically based control laws. These are for the sub-class of so-called differential linear repetitive processes which arise in applications areas such as iterative learning control. They show how a form of proportional-integral (PI) control based only on process outputs can be designed to give stability plus performance and disturbance rejection.

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Published date: 2008
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 264534
URI: http://eprints.soton.ac.uk/id/eprint/264534
ISSN: 0005-1098
PURE UUID: af10d041-63f4-46c0-8a73-b9a23e8ad208
ORCID for E Rogers: ORCID iD orcid.org/0000-0003-0179-9398

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Date deposited: 19 Sep 2007
Last modified: 19 Nov 2019 02:01

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