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A New Decentralised Controller Design Method with Application to Power System Stabiliser Design

journal contribution
posted on 2023-06-07, 23:17 authored by Tai Yang, J H Zhang, H Yu
It is known that decentralised stabilising controller design for a large-scale system can be translated into an equivalent problem of decentralised controller design for a multi-input multi-output (MIMO) control system. This paper shows that, subject to a condition based on the structured singular values, each local controller can be designed independently. The stability condition for the overall system can be easily stated as the achievement of a sufficient interaction margin, introduced in earlier work, together with a sufficient gain and phase margin, defined using classical feedback theory during each independent design. The suggested design approach is applied to the decentralised design of a power-system stabiliser for a model of a practical 10-machine power system. The potentials and limitations of the suggested design approach in its current form, and possibilities for further research, are also discussed in this paper.

History

Publication status

  • Published

Journal

Control Engineering Practice

Publisher

Control Engineering Practice

Issue

4

Volume

7

Page range

537-545

ISBN

0967-0661

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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