Disturbance localization for left invertible linear periodic discrete-time systems

 
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Disturbance localization for left invertible linear periodic discrete-time systems (EN)

Paraskevopoulos, PN (EN)
Arvanitis, KG (EN)

N/A (EN)

The disturbance localization problem for left invertible linear periodic discrete-time systems is solved using periodic state feedback controllers. The proposed technique is of algebraic nature and has the following two main characteristics: (i) It yields simple algebraic criteria for testing the solvability of the problem, as compared to known geometric criteria, which may not be so easy to check. (ii) It derives analytically the general expressions of all periodic controllers admissible for disturbance localization, as compared to known techniques, which lead to nonanalytic parametrizations of the admissible controllers via constructive procedures. Moreover, for the aforementioned class of periodic systems, the state feedback simultaneous disturbance localization and stabilization or pole placement problem is treated, and conditions for its solvability are established, on the basis of a decentralized control approach, that makes use of the equivalence between the above problem and the stabilization or pole placement problem of a general proper multichannel system by decentralized static output feedback. (C) 1997 Elsevier Science B.V. (EN)

journalArticle

Left invertibility (EN)
POLE ASSIGNMENT (EN)
Periodic state feedback (EN)
Disturbance localization (EN)
INVARIANT PLANTS (EN)
Periodic structure algorithm (EN)
MEMORYLESS OUTPUT-FEEDBACK (EN)
Linear periodic systems (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Systems and Control Letters (EN)

1997


ELSEVIER SCIENCE BV (EN)



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