Time-delay systems: an overview of some recent advances and open problems

JP Richard - automatica, 2003 - Elsevier
After presenting some motivations for the study of time-delay system, this paper recalls
modifications (models, stability, structure) arising from the presence of the delay …

Some frequency-domain approaches to the model reduction of delay systems

JR Partington - Annual Reviews in Control, 2004 - Elsevier
We review a selection of techniques which have been found effective in the H2 and H∞
model reduction of delay systems, modeled using transfer functions. These include Fourier …

Laguerre functions approximation for model reduction of second order time-delay systems

X Wang, Y Jiang, X Kong - Journal of the Franklin Institute, 2016 - Elsevier
This paper presents a Laguerre-based model reduction method for time-delay systems,
which naturally retains the second-order-structure of original systems. We expand time …

Optimal feedback control for linear systems with input delays revisited

Y Zhou, Z Wang - Journal of Optimization Theory and Applications, 2014 - Springer
The design problem of optimal feedback control for linear systems with input delays is very
important in many engineering applications. Usually, the linear systems with input delays …

[PDF][PDF] Rational approximations for time-delay systems: case studies

L Pekar, E Kureckova - … of the 13th WSEAS international conference …, 2011 - academia.edu
Linear time-invariant time-delay systems (LTI-TDS) constitute a widespread family of plants
and systems, not only limited to industrial ones. They can be represented by Laplace …

[PDF][PDF] Control of Time Delay Systems–An Algebraic Approach

L Pekař - English Doctoral Thesis, Faculty of Applied Informatics …, 2013 - researchgate.net
The presented dissertation thesis is focused on control of single-input single-output time
delay systems by algebraic means in the ring of special meromorphic functions, on its use in …

Contribution à l'identification des systèmes à retards et d'une classe de systèmes hybrides

KI Taarit - 2010 - theses.hal.science
Les travaux présentés dans cette thèse concernent le problème d'identification des
systèmes à retards et d'une certaine classe de systèmes hybrides appelés systèmes" …

[PDF][PDF] Does the higher order mean the better internal delay rational approximation?

L Pekař, E Kurečková - … Journal of Mathematics and Computers in …, 2012 - researchgate.net
The aim of this contribution is to test by simulations whether the higher order rational
approximation for exponential elements in linear time-invariant time-delay systems (LTI …

Time-Delay Approximation: Its Influence on the Structure and Performance of the IMC-PI/PID Controller

PV Gopi Krishna Rao, MV Subramanyam… - … Devices: Proceedings of …, 2015 - Springer
Proportional integral (PI) and proportional integral derivative (PID) controllers have been at
the heart of control engineering practice for several decades. 95% of the controllers …

[PDF][PDF] Series: SYSTEMS RESEARCH Volume 68

J Gutenbaum - rcin.org.pl
In most control textbooks, as well as in many textbooks of electrical and electronics
engineering, the notions of steady–state and transient response are introduced at an …