Correction to ´Lyapunov stability designs for switching regulator/low-pass filter system´

Author

Brooks, M.L.

Author_Institution

Litton Data Systems, Van Nuys, CA, USA

Volume

28

Issue

3

fYear

1992

fDate

7/1/1992 12:00:00 AM

Firstpage

881

Lastpage

884

Abstract

It is noted that the results obtained in the above-titled paper (ibid., vol.25, no.5, p.602-610, Sept. 1989) are erroneous since the Lyapunov matrix equation was not solved correctly and completely. Also, erroneous conclusions resulted because a solution to the ten simultaneous equations which result from the evaluation of that equation was not obtained. These errors are corrected and the Lyapunov simultaneous equations are solved. From the design of this fourth-order system, a comparison of the Lyapunov and Routh-Hurwitz methodologies for achieving asymptotic stability is obtained. It is shown that a design per the second method of Lyapunov simplifies the stability design calculations for this higher-order system.<>

Keywords

Lyapunov methods; control system synthesis; low-pass filters; power supply circuits; stability; voltage regulators; Lyapunov matrix equation; Lyapunov stability designs; Routh-Hurwitz; asymptotic stability; fourth-order system; low-pass filter; switching regulator; Asymptotic stability; Equations; Error correction; Lyapunov method;

fLanguage

English

Journal_Title

Aerospace and Electronic Systems, IEEE Transactions on

Publisher

ieee

ISSN

0018-9251

Type

jour

DOI

10.1109/7.256309

Filename

256309