A -spectral factorization approach for H∞ estimation problems in discrete time

2002 ◽  
Vol 47 (12) ◽  
pp. 2108-2113 ◽  
Author(s):  
P. Colaneri ◽  
A. Ferrante
Keyword(s):  
Discrete Time ◽  
Spectral Factorization ◽  
Factorization Approach ◽  
Estimation Problems

A Spectral Factorization Approach to the Discrete-Time Singular LQ Regulation Problem

2011 ◽  
Author(s):  
Wataru Kase ◽  
Yasuhiko Mutoh
Keyword(s):  
Discrete Time ◽  
Spectral Factorization ◽  
Phase Image ◽  
Minimum Phase ◽  
Factorization Approach ◽  
Lq Problem

In this paper, a solution to the discrete-time singular LQ problem for a non-square plant will be discussed. It will be shown that the solution is given by an inverted interactorizing gain for the minimum phase image of some squarizing systems. An interactor matrix plays an important role for deriving the minimum phase image.

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