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:

**2009 (Volume 19)**

Number 1

**Axial dispersion models and their basic properties**

D. Bartova, B. Jakes, J. Kukal(Institute of Chemical Technology, Prague, Czech Republic) |

Mathematical description of models including initial and boundary conditions, transfer function, model transient response to Dirac impulse as weighting (impulse) function, model transient response to step function as step response are included in this study. There are also included further characteristics of impulse function: raw moments up to 4th order, variance, variation coefficient, skewness , kurtosis, location and value of mode. Complete set of these characteristics for all studied models is collected (model-by-model) in seven tables.

The authors declare several properties of weighting function as key ones: value of 1st raw (dimensional) moment, parametric values and mode properties, related to dependence on Peclet number. The plots of parametric values and mode properties vs. Peclet number are mentioned in the paper for four studied axial dispersion models.

**keywords:** axial dispersion, flow models, basic properties, moments, mode

**Zeros and the output-zeroing problem in linear systems with time delay in control vector**

J. Tokarzewski(Warsaw University of Technology, Poland) |

**keywords:** linear systems with time delay in control vector, state-space methods, output-zeroing problem, invariant zeros

**Novel digital PWM strategies of multilevel voltage source inverters**

D. Beriber, A. Talha(University of Sciences and Technology Houari Boumediene, Algeria) | E. Berkouk, M. Boucherit(Ecole Nationale Polytechnique d'Alger, Algeria) | B. Francois(Ecole Centrale de Lille, France) |

**keywords:** multilevel NPC inverter, generating function, connection function, PWM strategies, algebraic modulation

**Differential evolution applied to parameter estimation of induction motor**

B. Subudhi, D. Jena(Department of Electrical Engineering, NIT, India) |

**keywords:** differential evolution, induction motor, parameter estimation

**Neural network parallel force/position control of robot manipulators under environment and robot dynamics uncertainties**

F. Ferguene, N, Achour, R. Toumi(LRPE, Faculty of Electronics and Computer Science, Algeria) |

**keywords:** force/position control, parallel control, PID control, neural network controllers, adaptive control, robot manipulators

**Experimental investigations of human-operator as a pressure force regulator in man-hand tool system**

Z. Basista, M. Ksiazkiewicz, J. Tarnowski(Cracow University of Technology, Poland) |

**keywords:** man-machine system, manual control, human-operator, hand-tool

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