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FEASIBLE OUTPUT FEEDBACK CONTROLLER DESIGN FOR LINEAR SYSTEMS
Author(s) -
FRANGOS C.,
YAVIN Y.
Publication year - 1997
Publication title -
optimal control applications and methods
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.458
H-Index - 44
eISSN - 1099-1514
pISSN - 0143-2087
DOI - 10.1002/(sici)1099-1514(199703/04)18:2<109::aid-oca593>3.0.co;2-z
Subject(s) - linear quadratic gaussian control , control theory (sociology) , weighting , optimal projection equations , controller (irrigation) , linear system , linear quadratic regulator , frequency domain , computer science , matrix (chemical analysis) , iterative method , mathematics , mathematical optimization , optimal control , control (management) , medicine , mathematical analysis , materials science , artificial intelligence , biology , agronomy , composite material , computer vision , radiology
A dynamic controller design method is presented for linear plant models with random initial conditions such that time domain and frequency domain specifications are met. A linear quadratic Gaussian (LQG) controller structure is employed and the state weighting matrix Q and state noise intensity matrix L are taken as the design parameters. A standard search algorithm is applied to compute Q and L such that the design specifications are satisfied. The procedure consists of the iterative solution of an equation where at each iteration step an LQG problem is solved. The resulting controller satisfying all the design specifications is termed a feasible controller. © 1997 John Wiley & Sons, Ltd.