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Alternative Approach to Alleviate Passivity Violations of Rational-Based Fitted Functions.
- Source :
-
IEEE Transactions on Power Delivery . Jun2019, Vol. 34 Issue 3, p1161-1170. 10p. - Publication Year :
- 2019
-
Abstract
- This paper presents an efficient approach to enforce passivity of rational-based fitted systems. The origin of non-passivity is thoroughly reviewed and analyzed. The proposed approach identifies and modifies, from the original non-passive rational approximation, only the partial fractions that generate passivity violations. It is shown in this paper that these partial fractions generally correspond to out-of-band poles. As for proper-type rational approximations, a new method is proposed to force the constant matrix to be positive-definite. The proposed approach is verified via three case studies with highly non-passive conditions. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08858977
- Volume :
- 34
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Power Delivery
- Publication Type :
- Academic Journal
- Accession number :
- 136696741
- Full Text :
- https://doi.org/10.1109/TPWRD.2019.2896982