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MIMO LPV State-Space Identification of Open-Flow Irrigation Canal Systems

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  • Yolanda Bolea
  • Nicolas Chefdor
  • Antoni Grau

Abstract

Canal systems are complex nonlinear, distributed parameter systems with changing parameters according to the operating point. In this paper, a linear parameter-varying (LPV) state-space canal control model is obtained by identification in a local way using a multimodel approach. This LPV identification procedure is based on subspace methods for different operating points of an irrigation canal covering the full operation range. Different subspace algorithms have been used and compared. The model that best represents the canal behavior in a precise manner has been chosen, and it has been validated by error functions and analysis correlation of residuals in a laboratory multireach pilot canal providing satisfactory results.

Suggested Citation

  • Yolanda Bolea & Nicolas Chefdor & Antoni Grau, 2012. "MIMO LPV State-Space Identification of Open-Flow Irrigation Canal Systems," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-16, November.
    • Handle: RePEc:hin:jnlmpe:948936
    DOI: 10.1155/2012/948936
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