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A Routh-Padé approximation method to derive a two-dimensional (2-D) reduced-order model for a class of 2-D separable-denominator continuous-time system is presented. The proposed method preserves initial power-series-expansion-coefficients/Markov-parameters of the system as well as minimizes the errors of subsequent power-series-expansion-coefficients and/or Markov-parameters of the 2-D system and those of the model while preserving stability. VEGA is used for optimization.
Computer Science and Automation Engineering (CSAE), 2011 IEEE International Conference on (Volume:4 )
Date of Conference: 10-12 June 2011