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Optimal Preview Control for Linear Discrete-Time Periodic Systems

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  • Fucheng Liao
  • Mengyuan Sun
  • Usman

Abstract

In this paper, the optimal preview tracking control problem for a class of linear discrete-time periodic systems is investigated and the method to design the optimal preview controller for such systems is given. Initially, by fully considering the characteristic that the coefficient matrices are periodic functions, the system can be converted into a time-invariant system through lifting method. Then, the original problem is also transformed into the scenario of time-invariant system. Later on, the augmented system is constructed and the preview controller of the original system is obtained with the help of existing preview control method. The controller comprises integrator, state feedback, and preview feedforward. Finally, the simulation example shows the effectiveness of the proposed preview controller in improving the tracking performance of the close-loop system.

Suggested Citation

  • Fucheng Liao & Mengyuan Sun & Usman, 2019. "Optimal Preview Control for Linear Discrete-Time Periodic Systems," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-11, February.
    • Handle: RePEc:hin:jnlmpe:8434293
    DOI: 10.1155/2019/8434293
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