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Structural Properties of the Unobservable Subspace

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  • Juan Ignacio Mulero Martínez
  • Alfonso Baños

Abstract

The structural properties of the unobservable subspace are explored. In particular the canonical decomposition of the unobservable subspace as a direct sum of cyclic subspaces as well as the conditions for this subspace to be spectral for the system matrix is studied. These properties are applied to simple input-simple output (SISO) feedback systems by connecting the spectral decomposition of the unobservable subspace to the total cancellation of unobservable modes in the compensator with multiple transmission zeros in the plant.

Suggested Citation

  • Juan Ignacio Mulero Martínez & Alfonso Baños, 2015. "Structural Properties of the Unobservable Subspace," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-11, July.
    • Handle: RePEc:hin:jnlmpe:974654
    DOI: 10.1155/2015/974654
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