Designing Controller Using Stable Krylov Subspace Method

Kumar Nikhil, Dr. Vijaya Laxmi, Dr. Dinesh Chandra

doi:10.17762/pae.v57i9.2001

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Published: Dec 15, 2020

DOI: https://doi.org/10.17762/pae.v57i9.2001

Kumar Nikhil, Dr. Vijaya Laxmi, Dr. Dinesh Chandra

Abstract

In this work, a method for reduction of higher order system (HOS) into a low order model has been developed through modified Krylov subspace (MK-S) method, which is a combination of Routh-Padé approximation (RPA) method and Krylov subspace method. A low order controller has been then developed for this reduced order model (ROM). The controller is then implemented to the HOS and the performance of the HOS is evaluated. The comparison between responses of HOS and ROM has been done for some example problems and presented in the results. The results validate the efficacy of the designed low order controller for the higher order systems using proposed method.

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Vol. 57 No. 9 (2020): Volume 57 No. 9 (2020)

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