Wyniki wyszukiwania dla: FRACTIONAL-ORDER SYSTEMS

• Fractional-order Systems and Synchronous Generator Voltage Regulator

  Publikacja

  • W. Lubośny
  • Z. Lubośny

  - Acta Energetica - Rok 2015

  Modern regulators of synchronous generators, including voltage regulators, are digital systems, in their vast majority with standard structures contained in the IEEE standard. These are systems described with stationary differential equations of integral order. Differential equations of fractional order are not employed in regulators for synchronous generator control. This paper presents an analysis of the possibilities of using...

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• Fractional Order Models of Dynamic Systems

  Publikacja

  • A. Dzieliński
  • D. Sierociuk

  - Rok 2021

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• Stability of Discrete Fractional Order State-space Systems

  Publikacja

  • A. Dzieliński
  • D. Sierociuk

  - JOURNAL OF VIBRATION AND CONTROL - Rok 2008

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• Frequency response based identification of fractional order dynamical systems

  Publikacja

  • A. Dzielinski
  • G. Sarwas
  • D. Sierociuk
  • T. Skovranek
  • I. Petras

  - Rok 2011

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• Adaptive Feedback Control of Fractional Order Discrete State-Space Systems

  Publikacja

  • A. Dzielinski
  • D. Sierociuk

  - Rok 2005

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• <title>Estimation and control of discrete fractional order states-space systems</title>

  Publikacja

  • D. Sierociuk
  • A. Dzielinski

  - Rok 2006

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• Fractional Variable-Order Derivative and Difference Operators and Their Applications to Dynamical Systems Modelling

  Publikacja

  • A. Dzieliński
  • D. Sierociuk
  • W. Malesza
  • M. Macias
  • M. Wiraszka
  • P. Sakrajda

  - Rok 2022

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• Approximation of Fractional Order Dynamic Systems Using Elman, GRU and LSTM Neural Networks

  Publikacja

  • B. Puchalski
  • T. A. Rutkowski

  - Rok 2020

  In the paper, authors explore the possibility of using the recurrent neural networks (RNN) - Elman, GRU and LSTM - for an approximation of the solution of the fractional-orders differential equations. The RNN network parameters are estimated via optimisation with the second order L-BFGS algorithm. It is done based on data from four systems: simple first and second fractional order LTI systems, a system of fractional-order point...

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• Stability analysis of interconnected discrete-time fractional-order LTI state-space systems

  Publikacja

  • Ł. Grzymkowski
  • D. Trofimowicz
  • T. Stefański

  - International Journal of Applied Mathematics and Computer Science - Rok 2020

  In this paper, a stability analysis of interconnected discrete-time fractional-order (FO) linear time-invariant (LTI) state-space systems is presented. A new system is formed by interconnecting given FO systems using cascade, feedback, parallel interconnections. The stability requirement for such a system is that all zeros of a non-polynomial characteristic equation must be within the unit circle on the complex z-plane. The obtained...

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• Fractional Order Dynamic Positioning Controller

  Publikacja

  • A. Witkowska

  - TransNav - The International Journal on Marine Navigation and Safety of Sea Transportation - Rok 2015

  Improving the performance of Dynamic Positioning System in such applications as station keeping, position mooring and slow speed references tracking requires improving the position and heading control precision. These goals can be achieved through the improvement of the ship control system. Fractional-order calculus is a very useful tool which extends classical, integer-order calculus and is used in contemporary modeling and control...

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