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- Efstathios N. Antoniou, Antonis-Ioannis G. Vardulakis, Nicholas P. Karampetakis
- 1997 European Control Conference (ECC)
- 1997

In this paper we investigate the behavior of the discrete time AR (Auto Regressive) representations over a finite time interval, in terms of the finite and infinite spectral structure of the… (More)

- Efstathios N. Antoniou, Antonis-Ioannis G. Vardulakis
- IMA J. Math. Control & Information
- 2005

Given a right coprime MFD of a strictly proper plant P (s) = NR (s)DR (s) 1 with DR (s) column proper a simple numerical algorithm is derived for the computation of of all polynomial solutions [XL… (More)

- Antonis-Ioannis G. Vardulakis, Christina Kazantzidou
- IEEE Transactions on Automatic Control
- 2009

A result originally reported by Hammer for linear time invariant (LTI) single input-single output systems and concerning an invariant and a canonical form of the transfer function matrix of the… (More)

- Antonis-Ioannis G. Vardulakis, Nicholas P. Karampetakis, Efstathios N. Antoniou, Evangelia Tictopoulou
- 2007 European Control Conference (ECC)
- 2007

We review the realization theory of polynomial (transfer function) matrices via “pure” generalized state space models. The concept of an irreducible at infinity generalized state space realization of… (More)

- George F. Fragulis, Antonis-Ioannis G. Vardulakis
- Kybernetika
- 1994

We consider the concept of Reachability for systems described by PMDs, generalizing various known results from the theory of generalized state space systems using time domain analysis,which takes… (More)

- Nicholas P. Karampetakis, Antonis-Ioannis G. Vardulakis, A. Clive Pugh
- Kybernetika
- 1995

- A. Clive Pugh, Nicholas P. Karampetakis, Antonis-Ioannis G. Vardulakis, G. E. Hayton
- Kybernetika
- 1994

- Antonis-Ioannis G. Vardulakis, Christina Kazantzidou
- Systems & Control Letters
- 2016

- Efstathios N. Antoniou, Antonis-Ioannis G. Vardulakis
- Automatica
- 1999

In this note we study the effect of constant pseudostate feedback on the internal properness of a linear multivariable system, described by an ARMA model. It is shown that the existence of a constant… (More)

- Antonis-Ioannis G. Vardulakis, Nicholas P. Karampetakis, Efstathios N. Antoniou, Stavros Vologiannidis
- 2008 IEEE International Conference on Computer…
- 2008

It is well known that descriptor systems or generalized state-space systems are the natural framework for the study of physical, electrical mechanical, interconnected, economical and social systems.… (More)