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Träfflista för sökning "WFRF:(Alexander T.) srt2:(1992-1994)"

Sökning: WFRF:(Alexander T.) > (1992-1994)

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1.
  • Medvedev, Alexander, et al. (författare)
  • A systematic synthesis of a neural network-based smoother
  • 1992
  • Ingår i: Proceedings of the 1992 IEEE International Symposium on Intelligent Control. - New York : IEEE Communications Society. - 0780305469 ; , s. 147-151
  • Konferensbidrag (refereegranskat)abstract
    • A feedforward neural network (FNN) implementation of a finite-memory smoother (FMS) is proposed. For a linear time-invariant dynamic system with measurement and process white noise, a single-layer FNN with delayed inputs is found to possess the same structure as the FMS designed by the least-squares method. The FNN-based FMS features definite speed advantages over conventional approaches and intrinsically finite process memory. Due to its parallel structure and absence of state vector integration, the FNN suffices for real-time applications. A numerical example illustrates the design procedure
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2.
  • Medvedev, Alexander, et al. (författare)
  • Continuous finite-memory deadbeat observer
  • 1992
  • Ingår i: Proceedings of the 1992 American Control Conference. - : IEEE Communications Society. - 0780302109 ; , s. 1800-1806
  • Konferensbidrag (refereegranskat)abstract
    • A significant class of model-based control approaches uses Kalman filters or Luenberger observers to estimate the plant state vector. Infinite dynamic observer memory inflicts a phenomenon generally referred to as divergence. To overcome this drawback, a structure that intrinsically has finite process memory and does not need state vector integration is proposed in this paper. The observer uses a finite number of delayed input/output measurements to reconstruct the state vector with zero error being provided with a process history over its largest time-delay. This property resembles the deadbeat observer performance for discrete time systems. Moreover, the largest time-delay value puts a natural limit to the observer memory. The Luenberger observer analogy proved to be a useful tool for the observer analysis and paves the way toward observer optimization.
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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refereegranskat (2)
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Medvedev, Alexander (2)
Toivonen, Hannu T. (2)
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Luleå tekniska universitet (2)
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Engelska (2)
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1992 (2)

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