2016 (vol. 26) - Number 4

*Andrzej Ruszewski:*

Practical and asymptotic stability of fractional discrete-time scalar systems described by a new model

*D. Krokavec, A. Filasova, P. Liscinsky:*

On fault tolerant control structures incorporating fault estimation

*Sundarapandian Vaidyanathan:*

Hyperchaos, adaptive control and synchronization of a novel 4-D hyperchaotic system with two quadratic nonlinearities

*H. Górecki, M. Zaczyk:*

Analytic solutions of transcendental equations with application to automatics

*F. Mnif:*

Predictor-based stabilization for chained form systems with input time delay

*S. Daniar, R. Aazami, M. Shiroei:*

Multivariable predictive control considering time delay for load-frequency control in multi-area power systems

*T. Kaczorek:*

Analysis and comparison of the stability of discrete-time and continuous-time linear systems

*M. Rachik, M. Lhous:*

An observer-based control of linear systems with uncertain parameters

*L. Malinski:*

Identification of stable elementary bilinear time-series model

*V.V. Huynh:*

New observer-based control design for mismatched uncertain systems with time-delay

ACS Abstract:

**2010 (Volume 20)**

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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