2018 (vol. 28) - Number 2

*E. Roszkowska:*

Hybrid motion control for multiple mobile robot systems

*C. Civelek:*

Stability analysis of engineering/physical dynamic systems using residual energy function

*M. Ziolko, M. Nowak:*

Design of transmultiplexer integer filters

*S. Vaidyanathan, S. Jafari, V.-T. Pham, A.T. Azar:*

A 4-D chaotic hyperjerk system with a hidden attractor, adaptive backstepping control and circuit design

*T. Kaczorek:*

An extension of Klamka's method to positive descriptor discrete-time linear systems with bounded inputs

*A. Ratajczak:*

Motion planning for nonholonomic systems with earlier destination reaching

*K.C. Patra, B.K. Dakua:*

Investigation of limit cycles and signal stabilization of two dimensional systems with memory type nonlinear elements

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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