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:

**2010 (Volume 20)**

Number 1

**State estimate based control design using the unified algebraic approach**

A. Filasova(Department of Cybernetics and Artificial Intelligence, Technical University of Kosice, Slovak Republic) | D. Krokavec(Department of Cybernetics and Artificial Intelligence, Technical University of Kosice, Slovak Republic) |

**keywords:** state feedback, linear estimation, linear matrix inequalities, constrains

**Nonlinear response of a harmonically driven oscillator in magnetic field**

P. Przybyłowicz(nstitute of Construction Machinery Engineering, Warsaw University of Technology, Poland) | T. Szmidt(nstitute of Construction Machinery Engineering, Warsaw University of Technology, Poland) |

**keywords:** nonlinear vibrations, oscillator, chaos, stability, magnetic damping

**Robust output predictive sequential controller design**

V. Vesely(Faculty of Electrical Engineering and IT, URPI, Slovak University of Technology, Bratislava, Slovak Republic) | D. Rosinova(Faculty of Electrical Engineering and IT, URPI, Slovak University of Technology, Bratislava, Slovak Republic) |

**keywords:** model predictive control, robust control, parameter dependent quadratic stability, Lyapunov function, polytopic system, sequential approach

**Evaluation of the Shunt Active Power Filter apparent power ratio using particle swarm optimization**

A. Kouzou(Electrical Department, University Centre of Djelfa, Algeria) | M.O. Mahmoudi(LCP, National Polytechnic School, Algiers, Algeria) | M.S. Boucherit(LCP, National Polytechnic School, Algiers, Algeria) |

**keywords:** effective apparent power, shunt active power filter, particle swarm optimization, harmonics, unbalanced voltages, unbalanced load

**The influence of the piezoelements placement on the active vibration damping of smart truss**

Z. Gosiewski(Faculty of Mechanical Engineering, Department of Automatics and Robotics, Technical University of Białystok, Poland) | A.P. Koszewnik(Faculty of Mechanical Engineering, Department of Automatics and Robotics, Technical University of Białystok, Poland) |

Vibrations control in truss structures reaches a great practical interest, mainly in modern structures of huge space vehicles and aircrafts. Two demands essences are required in design of such structures. The first is the excellent dynamic behavior, in order to guarantee the stability of the structure and high precision pointing. The second is the necessity to obtain light structures, in order to reduce the cost. However, these two requirements are often contradictory, because light structures have low degrees of internal damping, which hinders the accuracy requirements.

These difficulties can be overcome by applying recently developed advanced materials, as for instance piezoelectric materials. Several researchers have proved that piezoelectric material can effectively counteract the vibrations. Appropriate assurance active damping of these vibrations can be achieved by optimal location of the piezo elements in the structure.

**keywords:** vibrations, piezo-stack actuator, active truss, modal mass, modal stiffness

**Lyapunov functional for a linear system with two delays both retarded and neutral type**

J.Duda(Institute of Automatic Control, AGH University of Science and Technology, Krakow, Poland) |

**keywords:** Lyapunov functional, time delay system, neutral system, LTI system

**Suppression of vibration with optimal actuators and sensors placement**

L. Starek, D. Starek, P. Solek(Institute of Applied Mechanics and Mechatronics, Slovak University of Technology, Bratislava, Slovak Rep.) | A. Starekova(Institute of Mathematics, Slovak University of Technology, Bratislava, Slovak Rep.) |

**keywords:** optimal location, vibration suppression, actuator, sensor

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