Stable biased reduced order models using the Routh method of reduction |
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Authors: | Y. SHAMASH |
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Affiliation: | Department of Electrical Engineering , Florida Atlantic University , Boca Baton, Florida, 33431, U.S.A. |
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Abstract: | A generalization of the Routh method of reduction is introduced for obtaining stable reduced order models. The reduced models may be ‘ biased ’ in the sense that they may approximate the initial transient response of the high order system more closely than the steady-state response, and vice-versa. Given the desired order of the reduced model, the method of this paper produces a number of stable reduced models which approximate the high order system. The method is easily extended to multi-variable systems. Examples are given to illustrate the method and to make comparisons with other methods of reduction. |
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