2020 (vol. 30) - Number 4

*A.B. Malinowska, R. Kamocki, R. Almeida, T. Odzijewicz:*

On the existence of optimal consensus control for the fractional Cucker--Smale model

*R. Grymin, W. Bożejko, J. Pempera, M. Wodecki, Z. Chaczko:*

Algorithm for solving the Discrete-Continuous Inspection Problem

*T. Kaczorek, A. Ruszewski:*

Global stability of discrete-time nonlinear systems with descriptor standard and fractional positive linear parts and scalar feedbacks

*R. Arora, K. Gupta:*

Fuzzy goal programming technique for multi-objective indefinite quadratic bilevel programming problem

*P. Nowak, J. Czeczot, P. Grelewicz:*

Tuning rules for industrial use of the second-order Reduced Active Disturbance Rejection Controller

*M.I. Gomoyunov:*

Optimal control problems with a fixed terminal time in linear fractional-order systems

*Muhafzan, A. Nazra, L. Yulianti, Zulakmal, R. Revina:*

On LQ optimization problem subject to fractional order irregular singular systems

*M. Blizorukova, V. Maksimov:*

On one algorithm for reconstruction of an disturbance in a linear system of ordinary differential equations

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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