Multiplicity-induced-dominancy in parametric second-order delay differential equations: Analysis and application in control design

I Boussaada, SI Niculescu, A El-Ati… - … and Calculus of …, 2020 - esaim-cocv.org
This work revisits recent results on maximal multiplicity induced-dominancy for spectral
values in reduced-order time-delay systems and extends it to the general class of second …

Design of simple nonovershooting controllers for linear high order systems with or without time delay

H Du, B Feng, J Shen, D Li - Scientific Reports, 2024 - nature.com
In this paper, we mainly considered the problem of nonovershooting control of high order
systems with or without time delay by simple controllers. As basic principles for …

Control of cascaded series dead-time processes with ideal achievable disturbance attenuation using a predictors-based structure

BC Torrico, JS Barros, FJS Vasconcelos… - Journal of Process …, 2024 - Elsevier
This paper proposes a cascade series control structure and design for two series processes
represented by first-order plus dead-time FOPDT models. The proposed controller uses two …

Robust stability of thermal control systems with uncertain parameters: the graphical analysis examples

R Matušů, L Pekař - Applied Thermal Engineering, 2017 - Elsevier
This paper is intended to present the investigation of robust stability for integer order or
fractional order feedback control loops affected by parametric uncertainty and time-delay (s) …

Computation of All Robustly Stabilizing PID Controllers Based on H-∞ Robust Stability Condition

R Menak, N Tan - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper, the computation of all robustly stabilizing Proportional-Integral-Derivative (PID)
controllers for Single-Input-Single-Output (SISO) Linear Time Invariant (LTI) systems …

Proportional retarded controller to stabilize underactuated systems with measurement delays: Furuta pendulum case study

T Ortega-Montiel, R Villafuerte-Segura… - Mathematical …, 2017 - Wiley Online Library
The design and tuning of a simple feedback strategy with delay to stabilize a class of
underactuated mechanical systems with dead time are presented. A linear time‐invariant …

A ring for description and control of time-delay systems

L Pekař - WSEAS Transactions on Systems, 2012 - publikace.k.utb.cz
This contribution aims a revision and extension of the ring of retarded quasipolynomial
meromorphic functions (RMS) for description and control of time-delay systems (TDS). The …

Data Driven Approach to Determine Linear Stability of Delay Differential Equations Using Orthonormal History Functions

S Tiwari, J Shaik… - Journal of …, 2024 - asmedigitalcollection.asme.org
Delay differential equations (DDEs) appear in many applications, and determining their
stability is a challenging task that has received considerable attention. Numerous methods …

[PDF][PDF] On Simple Algebraic Control Design and Possible Controller Tuning for Linear Systems with Delays

L Pekař - Int. J. Mech, 2018 - researchgate.net
This paper is aimed at possible controller tuning of infinite-dimensional controllers of a
predictor (compensator) type obtained from an algebraic-based controller structure design …

[PDF][PDF] On the optimal pole assignment for time-delay systems

L Pekař - International Journal of Mathematical Models and …, 2013 - researchgate.net
The well-known fact about linear time-invariant time-delay systems (LTI-TDS) is that these
systems have an infinite spectrum. Not only plants themselves but also the whole control …