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      Fixed zeros of decentralized control systems

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      Author(s)
      ÜÜnyelioglu, K. A.
      Özgüner, Ü.
      Özgüler, A. B.
      Date
      2000
      Source Title
      IEEE Transactions on Automatic Control
      Print ISSN
      0018-9286
      Publisher
      IEEE
      Volume
      45
      Issue
      1
      Pages
      146 - 151
      Language
      English
      Type
      Article
      Item Usage Stats
      204
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      195
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      Abstract
      This paper considers the notion of decentralized fixed zeros for linear, time-invariant, finite-dimensional systems. For an N-channel plant that is free of unstable decentralized fixed modes, an unstable decentralized fixed zero of Channel i (1 ≤ i ≤ N) is defined as an element of the closed right half-plane, which remains as a blocking zero of that channel under the application of every set of N - 1 controllers around the other channels, which make the resulting single-channel system stabilizable and detectable. This paper gives a complete characterization of unstable decentralized fixed zeros in terms of system-invariant zeros.
      Keywords
      Closed loop control systems
      Decentralized control
      Matrix algebra
      Optimal control systems
      Poles and zeros
      System stability
      Theorem proving
      Decentralized fixed zeros
      Transfer matrix
      Linear control systems
      Permalink
      http://hdl.handle.net/11693/25101
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/9.827373
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      • Department of Electrical and Electronics Engineering 4012
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