Mixed method for reduction of multivariable systems with various inputs and outputs

Shieh, Leang-San; Wei, Yutai

doi:10.1049/piee.1975.0285

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“…Pade approximation using the Routh-Hurwitz array for stable reduction [12,13]. Dominant Eigen-value concept with continued fraction approach [14,15]. Pade approximation using S.E.…”

Section: Introductionmentioning

confidence: 99%

A Novel Mixed Method Using MM-SE with Change in Routhain Array for Model Order Reduction

Sharma

Sambariya

2021

Preprint

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The system modelling leads towards the higher-order differential equations. These systems are difficult to analyse. Therefore, for ease and understanding, the conversion of higher to lower order is required. The model order reduction(MOR) is a systematic procedure to tackle these kinds of situations. This paper offers a mixed method for MOR using the modified moment matching (MM) and stability equation (SE). The modification is applied in the routhain array of MM. The approach has been verified by examining the error between the original, proposed and compared with reduced order available in the literature. The obtained result has been compared on the basis of step response characteristics and the response indices error.

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“…Pade approximation using the Routh-Hurwitz array for stable reduction [12,13]. Dominant Eigen-value concept with continued fraction approach [14,15]. Pade approximation using S.E.…”

Section: Introductionmentioning

confidence: 99%