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:

**2006 (Volume 16)**

Number 4

**Laplace transforms for MIMO SD systems with delay**

B.P. Lampe(University of Rostock, Department of Computer Science and Electrical Engineering, Rostock, Germany) | E.N. Rosenwasser(St. Petersburg State University of Ocean Technology, Department of Automation, St. Petersburg, Russia) |

**keywords:** sampled-data systems, linear control systems, MIMO, Laplace transforms, time delay

**General adaptive observer-based fuzzy control of uncertain nonaffine systems**

A. Boulkroune(Department of Automatic Control, University of Jijel, Jijel, Algeria) | M. Tadjine(Department of the Electric Engineering, LCP, ENP, Algiers, Algeria) | M. M'Saad, M. Farza(GREYC, CNRS, Université de Caen, Cedex, France) |

*adaptive fuzzy output feedback control based on any adaptive fuzzy observer*(adaptive fuzzy high-gain observer, adaptive fuzzy sliding mode observer, ...) for a class of single-input-single-output

*SISO uncertain or ill-defined nonaffine nonlinear system*. Indeed, the corrective term of the proposed observer involves a well defined design function which is shown to be satisfied by the commonly used high-gain based observers, namely for the usual high-gain observers and the sliding modes observers together with their implementable versions.

*The design of the underlying update law as well as the robust control term is based on an appropriate filtering of the output tracking error*. This particularly allows to overcome the output observation error filtering or the necessity of the famous strictly positive real (SPR) condition.

**keywords:** general observer, fuzzy adaptive control, nonaffine systems

**On controversial superiority of delta operator models for small sampling periods**

Ryszard Gessing(Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland) |

**keywords:** digital control, discrete-time systems, delta operator models, shift operator models

**Optimal control strategy of variable wind speed generator based on Artificial Neural Networks**

Lilia Jerbi, Lotfi Krichen, Abderrazak Ouali(National School of Engineering of Sfax, Advanced Control and Energy Management, Tunisia) |

**keywords:** wind energy, doubly fed induction generator, radial basis neural network, active and reactive power control

**Robust linear controller for dynamic object with two-dimensional uncertain parameters space**

Krzysztof Oprzedkiewicz(AGH University of Science and Technology, Cracow, Poland) |

**keywords:** uncertain-parameter systems, interval systems, robust control

**Multiobjective optimization of a fuzzy PID controller**

A. Soukkou(Department of Electronics, University of Jijel, Jijel, Algeria) | A. Khellaf(Department of Electronics, Setif University, Algeria) | S. Leulmi(Department of Electrotechnics, Skikda University, Algeria) |

**keywords:** neural networks, genetic algorithms, fuzzy-PID control, nonlinear PI/PD

**State estimation for nonlinear discrete-time delay systems**

El Houssine Labriji, Fouad Lahmidi, Abdelwahed Namir(Département de Mathématiques et Informatique, Faculté des Sciences Ben M'sik, Casablanca, Morocco) |

**keywords:** delay, discrete-time system, distributed-parameter system, fixed-point theory, observability, nonlinear system

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