Functional and dual observer based prescribed-time control of linear systems by periodic delayed feedback
In this paper the prescribed-time output feedback stabilization of linear systems is addressed
using both a functional observer, which includes the reduced-order observer as a special …
using both a functional observer, which includes the reduced-order observer as a special …
Implementation-oriented filtered PID control: Optimization of robustness margins
Q Mao, Y Xu, J Chen, TT Georgiou - Automatica, 2023 - Elsevier
In this paper, we investigate the gain and phase robustness of PID control in stabilizing
linear time-invariant (LTI) systems subject to gain and phase variations. We consider …
linear time-invariant (LTI) systems subject to gain and phase variations. We consider …
On controllers performance for a class of time-delay systems: Maximum decay rate
G Oaxaca-Adams, R Villafuerte-Segura - Automatica, 2023 - Elsevier
This paper states some results aiming at finding the parameters of a controller that provides
the maximum decay rate of the closed-loop response for a linear time-invariant time-delay …
the maximum decay rate of the closed-loop response for a linear time-invariant time-delay …
Time-delay-aware power coordinated control approach for series hybrid electric vehicles
L Yang, W Wang, C Yang, M Wang, Y Chen, Z Jiang… - Energy, 2024 - Elsevier
Abstract Series hybrid electric vehicles (S-HEVs) have attracted extensive attention thanks to
the simple structure and excellent efficiency, which power transfer rely on high-voltage …
the simple structure and excellent efficiency, which power transfer rely on high-voltage …
Over-order multiplicities and their application in controlling delay dynamics. On zeros' distribution of linear combinations of Kummer hypergeometric functions
A series of recent works have shown that, for a system of linear functional differential
equations, a spectral value having a multiplicity exceeding the order of the system tends to …
equations, a spectral value having a multiplicity exceeding the order of the system tends to …
[HTML][HTML] A fast design technique for robust industrial controllers
L Celentano - Journal of the Franklin Institute, 2023 - Elsevier
This paper provides a new fast design method for robust industrial controllers via majorant
systems in the frequency domain. The proposed methodology allows to establish several …
systems in the frequency domain. The proposed methodology allows to establish several …
Multiplicity–Induced–Dominancy property for second–order neutral differential equations with application in oscillation damping
This paper addresses the exponential stability of linear time-delay systems of neutral type. In
general, it is quite a challenge to establish conditions on the parameters of the system in …
general, it is quite a challenge to establish conditions on the parameters of the system in …
Mid property for delay systems: Insights on spectral values with intermediate multiplicity
This paper focuses on the problem of multiplicity induced dominancy (MID) for a class of
linear time-invariant systems represented by delay-differential equations. If the problem of …
linear time-invariant systems represented by delay-differential equations. If the problem of …
Beyond linear limits: Design of robust nonlinear PID control
C Zhao, D Wang, W Xue - Automatica, 2025 - Elsevier
The classical PID controller is the most basic feedback control algorithm in engineering
systems, while its limitation in stabilizing nonlinear control systems has been rarely explored …
systems, while its limitation in stabilizing nonlinear control systems has been rarely explored …
General stabilization approach of the low-order controller for both SISO systems and MIMO systems with multiple time delays
The stabilization of the system with multiple time delays is much more difficult than that of the
rational system since the delay multiplicity complicates the system analysis. For an arbitrarily …
rational system since the delay multiplicity complicates the system analysis. For an arbitrarily …