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Robust control with stable proportional-integral-plus controllers

  • University of Nottingham
  • Queen's University Belfast
  • Alstom

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper considers robust control with a stable controller using proportional-integral-plus control techniques. A formulation of robust PIP controllers is proposed on the basis of parametric pole assignment. The robustness function in the frequency domain is minimised using the freedom provided by parametric pole assignment. It shows how to combine time-domain performance specifications provided by pole assignment and robust performance specifications in the frequency domain considered by H°° control to realise joint optimum robustness. This paper also builds upon the existing PIP design philosophy, introducing a design step which stabilises the PIP controller. This design strategy not only stabilises the controller, but also ensures that the equivalent closed-loop transfer function of the system remains identical to that of the original PIP closed-loop system.

Original languageEnglish
Title of host publication2001 European Control Conference, ECC 2001
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3201-3206
Number of pages6
ISBN (Electronic)9783952417362
DOIs
StatePublished - 2001
Externally publishedYes
Event6th European Control Conference, ECC 2001 - Porto, Portugal
Duration: 4 Sep 20017 Sep 2001

Publication series

Name2001 European Control Conference, ECC 2001

Conference

Conference6th European Control Conference, ECC 2001
Country/TerritoryPortugal
CityPorto
Period4/09/017/09/01

Keywords

  • Stabilisation
  • proportional-integral-plus control
  • robust control

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