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Poles and zeros assignment by state feedbacks in positive linear systems [PDF]

open access: yesArchives of Control Sciences, 2021
Poles and zeros assignment problem by state feedbacks in positive continuous-time and discrete-time systems is analyzed. It is shown that in multi-input multi-output positive linear systems by state feedbacks the poles and zeros of the transfer matrices ...
Tadeusz Kaczorek
doaj   +1 more source

Constraints of open-loop crossover frequency with autopilot design for canard-controlled missiles [PDF]

open access: yesZhihui kongzhi yu fangzhen, 2023
The pole assignment method is commonly used in the design of three-loop autopilot, and the constraints for the key parameter that the open-loop crossover frequency was blurred.
WANG Pengju, YANG Yurong
doaj   +1 more source

Pole assignment problem: a structural investigation [PDF]

open access: yesInternational Journal of Control, 1991
Based on the structure of a closed-loop system under a specified feedback pattern, a qualitative analysis of the problem of pole assignability is considered. The problem is first formulated algebraically, in terms of the relation p = g(f) between the vector p of the closed-loop characteristic polynomial coefficients and the vector f of the non-zero ...
Şefikh, A., Sezer, M.E.
openaire   +4 more sources

An approach to suppress low-frequency oscillation in the hybrid multi-Infeed HVDC of mixed H2/H∞ robust-based control theory [PDF]

open access: yesArchives of Electrical Engineering, 2022
A hybrid multi-infeed HVDC (HMIDC) system is composed of line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage-source converterbased high-voltage direct current (VSC-HVDC), whose receiving ends have electrical coupling.
Congshan Li   +5 more
doaj   +1 more source

Lyapunov Spectrum Local Assignability of Linear Discrete Time-Varying Systems by Static Output Feedback

open access: yesIEEE Access, 2021
We consider a linear discrete time-varying input-output system. Our goal is to study the problem of local assignability of the Lyapunov spectrum by static output feedback control.
Adam Czornik   +4 more
doaj   +1 more source

Robust state controller via reflection coefficient assignment; pp. 38–47 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2011
A solution to the robust pole assignment problem via reflection coefficients of polynomials is provided for discrete-time single-input single-output (SISO) and multi-input multi-output (MIMO) linear systems. For SISO systems a robust state controller and
Ülo Nurges
doaj   +1 more source

Multi-Objective Non-Fragile Robust Attitude Control for Flexible Microsatellite Close-Proximity Inspection

open access: yesIEEE Access, 2021
In this paper, the non-fragile robust attitude control problem is investigated for flexible microsatellite close-proximity inspection, with external disturbances, parameter uncertainties and input constraints.
Yi Li
doaj   +1 more source

The generalized pole assignment problem [PDF]

open access: yes1979 18th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes, 1979
For some Linear, strictly proper system given by its transfer function, two dynamic output feedback problems can be posed. The first one is that of using dynamic-output feedback to assign the closed-loop characteristic polynomial and the second that of assigning the closed-loop invariant factors.
T. Djaferis, S. Mitter
openaire   +1 more source

An Algorithm for the Single-Input Pole Assignment Problem [PDF]

open access: yesSIAM Journal on Matrix Analysis and Applications, 1994
[EN] B. N. Datta and K. Datta have proposed an efficient parallel algorithm for the single-input pole assignment problem when the spectrum set to be assigned is pairwise distinct and disjoint from the spectrum of the dynamical matrix. This paper first presents a theoretical analysis of that algorithm and then presents the necessary modifications on it ...
Bru García, Rafael   +2 more
openaire   +3 more sources

On the regulator problem for linear systems over rings and algebras

open access: yesOpen Mathematics, 2021
The regulator problem is solvable for a linear dynamical system Σ\Sigma if and only if Σ\Sigma is both pole assignable and state estimable. In this case, Σ\Sigma is a canonical system (i.e., reachable and observable).
Hermida-Alonso José Ángel   +3 more
doaj   +1 more source

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