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SUMMARY:Optimal Steady-State Control with Application to Secondary Frequen
 cy Control of Power Systems - John Simpson-Porco (University of Waterloo)
DTSTART:20190430T090000Z
DTEND:20190430T100000Z
UID:TALK123352@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The optimal steady-state control problem is that of designing 
 a feedback controller for a multivariable system which regulates selected 
 system variables to the solution of a constrained optimization problem\, d
 espite parametric modelling uncertainty and unmeasured exogenous disturban
 ces. For example\, an instance of this problem occurs in the design of sec
 ondary frequency control systems\, where control resources should be optim
 ally used subject to the elimination of frequency deviations and restorati
 on of inter-area tie-line flows. We present a constructive design framewor
 k that reduces the OSS control problem to a more classical control problem
  of output regulation (tracking and disturbance rejection). Robustness iss
 ues which arise in the constructive procedure are discussed\, leading to a
  solution of the OSS control problem for the case where the plant is LTI w
 ith structured parametric uncertainty and unknown disturbances are constan
 t in time. We apply the results to frequency control of power systems show
  that the OSS control framework recovers several recent decentralized and 
 distributed secondary frequency controllers from the literature. <br> <br>
  Collaborators: Liam S. P. Lawrence (UWaterloo) and Enrique Mallada (JHU)
LOCATION:Seminar Room 1\, Newton Institute
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