Dead-time compensation for the first-order dead-time processes: towards a broader overview

M Huba, P Bistak, D Vrancic, K Zakova - Mathematics, 2021 - mdpi.com
The article reviews the results of a number of recent papers dealing with the revision of the
simplest approaches to the control of first-order time-delayed systems. The concise …

A model-based approach to automated validation and generation of PLC code for manufacturing equipment in regulated environments

D McCarthy, D McMorrow, NP O'Dowd, CT McCarthy… - Applied Sciences, 2022 - mdpi.com
Validation is a critical stage of the equipment design process as it provides documentary
evidence that the equipment is performing as per specification and ensures consistent …

Tuning rules for unstable dead-time processes

RCS Rodrigues, AKR Sombra, BC Torrico… - European Journal of …, 2021 - Elsevier
Despite many advances in the field of dead-time compensators (DTCs) for unstable first-
order plus dead-time (UFOPDT) processes, the tuning, in general, is manually carried out …

2DOF IMC and smith-predictor-based control for stabilised unstable first order time delayed plants

M Huba, P Bistak, D Vrancic - Mathematics, 2021 - mdpi.com
The article brings a brief revision of the two-degree-of-freedom (2-DoF) internal model
control (IMC) and the 2-DoF Smith-Predictor-based (SP) control of unstable systems. It …

Some practical issues in the smith predictor design for FOTD systems

M Huba - 2017 4th International Conference on Control …, 2017 - ieeexplore.ieee.org
The paper develops and summarizes some of the most important points of a successful
Smith predictor design for the first order time delayed systems. Starting with discussion of …

Evaluating performance limits in FOTD plant control

M Huba, D Vrančić, T Huba - IFAC-PapersOnLine, 2016 - Elsevier
The paper deals with first order time delayed plant control. It starts with introducing and
comparing several alternative approaches comprising PI control and some model based …

Improving noise attenuation in modified filtered Smith predictor

M Huba, D Vrančič - 2020 Cybernetics & Informatics (K&I), 2020 - ieeexplore.ieee.org
This article deals with experimental evaluation of filtered Smith-predictor-inspired
constrained dead time compensator (DTC) in thermal process control. In the simplest case it …

Nonlinear control of liquid level

P Ťapák, M Huba - IFAC Proceedings Volumes, 2012 - Elsevier
The paper shows organization and overview of assignments on nonlinear P and PI control of
the liquid level in a single tank associated with exact linearization, its modification …

Limits of a simplified controller design based on integral plus dead time models

M Huba, I Bélai - … of the Institution of Mechanical Engineers …, 2018 - journals.sagepub.com
This article presents design and evaluation of filtered proportional–integral controllers and
filtered Smith predictor–inspired constrained dead time compensators. Both are based on …

Comparing approaches to constrained design of integrating controllers

M Huba, P Ťapák - IFAC Proceedings Volumes, 2012 - Elsevier
The paper discusses challenges related to design and education of the simplest integrating
controllers for systems with the dominant first order plants and possible long dead time that …