2020 (vol. 30) - Number 3

*M.A. Hammami, N.H. Rettab:*

On the region of attraction of dynamical systems: Application to Lorenz equations

*J. Rudy, J. Pempera, C. Smutnicki:*

Improving the TSAB algorithm through parallel computing

*Chiranjibe Jana, Madhumangal Pal , Guiwu Wei:*

Multiple Attribute Decision Making method based on intuitionistic Dombi operators and its application in~mutual fund evaluation

*S. Ogonowski, D. Bismor, Z. Ogonowski:*

Control of complex dynamic nonlinear loading process for electromagnetic mill

*N.A. Baleghi, M.H. Shafiei:*

An observer-based controller design for nonlinear discrete-time switched systems with~time-delay and affine parametric uncertainty

*Amine El Bhih, Youssef Benfatah, Mostafa Rachik:*

Exact determinantions of maximal output admissible set for a class of~semilinear discrete systems

*Archana Tiwari, Debanjana Bhattacharyya, K.C. Pati:*

Controllabilty and stability analysis on a group associated with Black-Scholes equation

*A. Sambas, I.M. Moroz, S. Vaidyanathan:*

A new 4-D hyperchaotic system with no equilibrium, its multistability, offset boosting and circuit simulation

*A.S.S. Abadi, P.A. Hosseinabadi, S. Mekhilef, A. Ordys:*

A new strongly predefined time sliding mode controller for a class of cascade high-order nonlinear systems

ACS Abstract:

**1998 (Volume 7)**

Number 3/4

**On some characterization of invariant and decoupling zeros of singular systems**

Jerzy Tokarzewski(Military University of Technology, Poland ) |

*(E,A,B,C,D)*, where

*E*is singular but the pencil

*sE-A*is regular, is presented. These zeros are characterized as invariant zeros of an appropriate linear system

*S(A,B,C,D)*. Several numerical examples are included to illustrate the proposed results as well as to discuss different definitions of zeros.

**Location problems from the multiple criteria perspective: efficient solutions**

Włodzimierz Ogryczak(Warsaw University, Poland ) |

**keywords:** Discrete Location Problem, Multiple Criteria, Efficiency.

**Diagnostics of processes in decentralized structures**

Jan Maciej Kościelny(Warsaw University of Technology, Poland ) |

Formalized description of an object of diagnosis as well as general rules for diagnosis formulation have been presented in the paper. The method of hierarchical description of the object of diagnosis has been given. Decentralized structures have feedbacks between the subobjects that cause symptoms of faults in one subobject to appear in other ones. Rules for fault isolation in such structures have been presented. Considerations are illustrated with help of examples.

**keywords:** diagnostics, fault isolation, industrial processes,large-scale systems, decomposition, hierarchical structures.

**Optimal design of control law under uncertainty by dynamic programming**

Mariusz Siomak and Krzysztof Malinowski(Warsaw University of Technology, Poland ) |

All numerical results were obtained on the CRAY 6416 super-server installed in Computing Center of the Warsaw University of Technology.

**The central control accuracy theorem for internal model control and its applications**

Krzysztof Latawiec, Czesław Marciak and Janusz Wrzuszczak(Technical University of Opole, Poland ) |

**keywords:** internal model control, multivariable control, control accuracy, predictive control, robust control, nonsquare multivariable systems.

**An outline of the linear control system synthesis by a proper, stable rational functions approach**

Radosław Ładziński(Warsaw University of Technology, Poland ) |

The main objective of the paper is to show that this form of representation with simultaneous parametrization of all linear controllers that provide internal stability of the closed-loop system can be achieved in the simplest and most natural way by analysing the system shown in Fig. 3 - the so-called basic structure.

Problems of choosing the parameter to meet some important design specifications, viz. a robust asymptotic tracking of the reference signal with disturbance and noise rejection are also considered and illustrated by two representative examples covering the area of continuous- and discrete-time systems.

**Automatic generation control of multi area interconnected power system considering nonlinearity due to governor dead band**

Abani Mohan Panda(Indira Gandhi Institute of Technology, India ) |

**keywords:** Mathematical modeling, Optimization, Automatic generation control, Power systems and plant.

**The use of the MTS method for programming of Simatic S7-200 controllers**

Tadeusz Mikulczyński, Zdzisław Samsonowicz and Rafał Więcławek(Technical University of Wrocław, Poland ) |

**A neuro-fuzzy approach to system modelling Part II. Applications**

Marian B. Gorzałczany(Kielce University of Technology, Poland) |

**keywords:** Fuzzy sets, artificial neural networks, neuro-fuzzy systems, fuzzy neural networks, fuzzy models, identification methods, fuzzy controllers.

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