New method of obtaining reduced-order models for linear multivariable systems

New method of obtaining reduced-order models for linear multivariable systems

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A new approach for model reduction is presented which may be considered as the generalisation of the Padé-approximation technique. It is based on the generation of successive partial realisations of a high-order multivariable system in state-variable form, and is computationally straightforward.


    1. 1)
      • C.F. Chen , L.S. Shieh . A novel approach to linear model simplification. Proc. JACC , 454 - 461
    2. 2)
      • M.J. Bosley , F.P. Lees . A survey of simple transfer function diviations from high-order state-variable models. Automatica , 765 - 775
    3. 3)
      • Shamash, Y.: 1973, Ph.D. thesis, University of London, Imperial College of Science & Technology.
    4. 4)
      • Y. Shamash . Model reduction using the Routh stability criterion and the Padé approximation technique. Int. J. Control , 475 - 484
    5. 5)
      • Ho, B.L., Kalman, R.E.: `Effective construction of linear state-variable models from input-output functions', Proceedings of 3rd Allerton conference on circuit and system theory, 1965, p. 449–459.
    6. 6)
      • L.M. Silverman . Realisation of linear dynamical systems. IEEE Trans. , 554 - 567
    7. 7)
      • P. Rózsa , N.K. Sinha . Efficient algorithm for irreducible realization of a rational matrix. IEEE Trans. , 739 - 751

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