Analysis and controller-design of time-delay systems using TDS-CONTROL. A tutorial and manual

P Appeltans, W Michiels - arXiv preprint arXiv:2305.00341, 2023 - arxiv.org
TDS-CONTROL is an integrated MATLAB package for the analysis and controller-design of
linear time-invariant (LTI) dynamical systems with (multiple) discrete delays, supporting both …

On Smith predictor based controllers for plants with time delay and multiple unstable modes

MO Yegin, H Özbay - Systems & Control Letters, 2023 - Elsevier
This work proposes an extension of the Smith predictor to design stabilizing controllers for
linear time-invariant (LTI) time-delay single-input single-output (SISO) systems with multiple …

PID and low‐order controller design for guaranteed delay margin and pole placement

H Özbay, AN Gündes - … Journal of Robust and Nonlinear Control, 2022 - Wiley Online Library
This article provides a simple low‐order controller design method (including PID controllers
as special cases) for a class of unstable systems. First, PID controller design is considered …

On Stable H∞ controller design for plants with infinitely many unstable zeros and poles

HU Ünal - Automatica, 2022 - Elsevier
In this work, stable H∞ controller design problem for linear time-invariant single-input single-
output plants, which have infinitely many open-right-half-plane zeros and possibly infinitely …

Closed-form H-infinity optimal control for a class of infinite-dimensional systems

C Bergeling, KA Morris, A Rantzer - Automatica, 2020 - Elsevier
H-infinity optimal control and estimation are addressed for a class of systems governed by
partial differential equations with bounded input and output operators. Diffusion equations …

Controller redesign for delay margin improvement

AN Gündeş, H Özbay - Automatica, 2020 - Elsevier
Two important design objectives in feedback control are steady-state error minimization and
delay margin maximization. For many practical systems it is not possible to have infinite …

Strong stabilization in classical control via adjustment of fractional powers into integers

AH Faruqi, A Chatterjee - arXiv preprint arXiv:2312.01920, 2023 - arxiv.org
We address stabilization of linear time-invariant (LTI), single-input single-output (SISO)
systems in the Laplace domain, with a stable controller in a single feedback loop. Such …

On the relations between stability optimization of linear time-delay systems and multiple rightmost characteristic roots

W Michiels, SI Niculescu, I Boussaada… - Mathematics of Control …, 2024 - Springer
Several recent results on spectrum-based analysis and control of linear time-invariant time-
delay system concern the characterization and exploitation of situations where the so-called …

On dead-time compensation in repetitive control

L Mirkin - IEEE Control Systems Letters, 2020 - ieeexplore.ieee.org
The note studies the stabilization problem for a SISO continuous-time plant, where the
feedback loop contains a fixed infinite-dimensional repetitive element and a “primary …

Finite Dimensional Stabilizing Controllers for a Class of Distributed Parameter Systems This work was supported in part by TUBITAK project no 123E233.

MO Yeg̃in, H Özbay - 2024 American Control Conference …, 2024 - ieeexplore.ieee.org
This paper considers finite dimensional controller design problem for a class of distributed
parameter systems. It is assumed that the transfer function of the plant can be written in …