Tangent-phase continued-fraction expansion for stable reduced models of linear discrete-time systems
作者:
CHYI HWANG,
CHEN-CHIN SUEN,
期刊:
International Journal of Systems Science
(Taylor Available online 1987)
卷期:
Volume 18,
issue 4
页码: 787-798
ISSN:0020-7721
年代: 1987
DOI:10.1080/00207728708964009
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The tangent-phase continued-fraction expansion for stable reduced models is based on the tangent-phase frequency response to the expansion and the factorization technique to obtain reduced models. In this paper, we propose a new procedure for deriving stable and minimum-phase reduced z-transfer functions by the tangent-phase continued-fraction expansion. The procedure is based on transforming the z-domain tangent-phase function to the p domain, where p = z + z−1−2, and then expanding the p-domain tangent-phase function into a modified continued fraction. An example is given to illustrate the utility of the procedure.
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