Robust LFC design using mixed H2/Hinf technique
This paper addresses a new decentralized robust control design for load-frequency control (LFC) in multi-area power systems. The LFC problem is considered as a multi-objective problem and formulated via a mixed H2/H∞ control technique, then it is easily carried out to synthesis the desired robust controllers by solving standard linear matrix nequalities (LMI). A three-area power system example with a wide range of load changes is given to illustrate the proposed approach. The results are compared with pure H∞ method. It is shown that the designed controllers maintain the robust performance, minimize the effect of disturbances and specified uncertainties, effectively.
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|Item Type:||Conference Paper|
|Keywords:||LFC, mixed H2/H∞ control, power system, LMI, robust performance|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2004 (please consult author)|
|Deposited On:||28 Aug 2008|
|Last Modified:||09 Jun 2010 23:03|
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