2020 (vol. 30) - Number 4
A.B. Malinowska, R. Kamocki, R. Almeida, T. Odzijewicz:
On the existence of optimal consensus control for the fractional Cucker--Smale model
R. Grymin, W. Bożejko, J. Pempera, M. Wodecki, Z. Chaczko:
Algorithm for solving the Discrete-Continuous Inspection Problem
T. Kaczorek, A. Ruszewski:
Global stability of discrete-time nonlinear systems with descriptor standard and fractional positive linear parts and scalar feedbacks
R. Arora, K. Gupta:
Fuzzy goal programming technique for multi-objective indefinite quadratic bilevel programming problem
P. Nowak, J. Czeczot, P. Grelewicz:
Tuning rules for industrial use of the second-order Reduced Active Disturbance Rejection Controller
M.I. Gomoyunov:
Optimal control problems with a fixed terminal time in linear fractional-order systems
Muhafzan, A. Nazra, L. Yulianti, Zulakmal, R. Revina:
On LQ optimization problem subject to fractional order irregular singular systems
M. Blizorukova, V. Maksimov:
On one algorithm for reconstruction of an disturbance in a linear system of ordinary differential equations
ACS Abstract:
Number 3
Observer state feedback control of discrete-time systems with state equality constraints

D. Krokavec (Technical University of Kosice, Kosice, Slovak Republic) | A. Filasova (Technical University of Kosice, Kosice, Slovak Republic) |
keywords: equality constraints, eigenstructure, assignment, state feedback
Computation of positive realization of MIMO hybrid linear systems in the form of second Fornasini-Marchesini model

T. Kaczorek (Bialystok Technical University, Bialystok, Poland) | L. Sajewski (Bialystok Technical University, Bialystok, Poland) |
keywords: hybrid, 2D system, positive, realization, existence, computation
Numerical simulation of feedback controlled fluid-induced instabilities in rotor system supported by hydrodynamic bearings

P. Ferfecki (Center of Advanced Innovation Technologies, SIMD, VSB-TUO, Ostrava, Czech Republic) | R. Sikora, Z. Poruba (Department of Mechanics, VSB-TUO, Ostrava, Czech Republic) |
keywords: rotor system, hydrodynamic bearing instability, kinematic excitation
Robust output feedback Model Predictive Control design

V. Vesely (Slovak University of Technology, Bratislava, Slovak Republic) | D. Rosinova (Slovak University of Technology, Bratislava, Slovak Republic) |
keywords: model predictive control, robust control, parameter dependent quadratic stability, Lyapunov function, polytopic system, decentralized control
Feedback control of three-Level PWM rectifier: Application to the stabilization of DC Voltages of five-level NPC active power filter

T. Abdelkrim, K. Benamrane (Applied Research Unit on Renewable Energies, Industrial Zone, Ghardaia, Algeria) | E.M. Berkouk (Polytechnic National School, Algiers, Algeria) | T. Benslimane (University of Msila, Algeria) |
keywords: active power filter, NPC multilevel inverter, feedback control, PWM current rectifier, clamping bridge filter
Decomposition of the pairs (A,B) and (A,C) of positive discrete-time linear systems

T. Kaczorek (Bialystok Technical University, Bialystok, Poland) |
A new test for checking the reachability (observability) of positive discrete-time linear systems is proposed. Conditions are established under which the unreachable pair (A,B) and the unobservable pair (A,C) of positive discrete-time system can be decomposed into reachable and unreachable parts and observable and unobservable parts, respectively. It is shown that the transfer matrix of the positive system is equal to the transfer matrix of its reachable (observable) part.
keywords: decomposition, positive linear, discrete-time, reachability, observability
Stator inter-turn fault detection of an induction motor using neuro-fuzzy techniques

R.N. Dash (National Institute of Technology, Rourkela, India) | B. Subudhi (National Institute of Technology, Rourkela, India) |
keywords: inter-turn short circuit fault, phase shifts, adaptive neural fuzzy inference systems (ANFISs), neural network, induction motor
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