Abstract
This paper presents a frequency-shaped model order reduction for continuous-time multivariable systems with application to closed-loop model order reduction. The problem is first given an algebraic form by the means of the A-transform - a transformation based on the Chebyshev series expansion - and then solved through the least squares approach. The salient feature of the proposed method is the implicit weighting due to both the A-transform method and the particular implementation of the least squares procedure.
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