New Approach for Stability of Perturbed DC-DC Converters


Vol. 9, No. 1, pp. 61-67, Jan. 2009
10.6113/JPE.2009.9.1.61


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 Abstract

In this paper, a simple technique is presented for robust stability testing of perturbed DC-DC converters, having multilinear uncertainty structure. It gives necessary and sufficient condition of robust stability. It is based on the corollary of Routh criterion and gridding of parameters. The previous work based on parametric control theory using Kharitonov’s theorem and Hermite Biehler theorem gives conservative results and only the sufficient condition of stability [1-5,16-17], where as the proposed method provides necessary and sufficient condition for robust stability and it is computationally efficient. The superiority of the method is compared with Edge theorem.


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Cite this article

[IEEE Style]

Y. V. Hote, D. R. Choudhury, J. R. P. Gupta, "New Approach for Stability of Perturbed DC-DC Converters," Journal of Power Electronics, vol. 9, no. 1, pp. 61-67, 2009. DOI: 10.6113/JPE.2009.9.1.61.

[ACM Style]

Yogesh V. Hote, D. Roy Choudhury, and J. R. P. Gupta. 2009. New Approach for Stability of Perturbed DC-DC Converters. Journal of Power Electronics, 9, 1, (2009), 61-67. DOI: 10.6113/JPE.2009.9.1.61.