Computation of invariant zeros of linear, time-invariant, multivariable systems
作者:
R. V. PATEL,
期刊:
International Journal of Systems Science
(Taylor Available online 1976)
卷期:
Volume 7,
issue 10
页码: 1171-1180
ISSN:0020-7721
年代: 1976
DOI:10.1080/00207727608941995
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
In this paper a numerical method is presented for computing the invariant zeros of a controllable linear, time-invariant, multivariable system described by the 4-tuplo (A, B, C, D) or the triple (A, B, C). The method is based on the fact. that a controllable system can be made maximally unobservable by means of state variable feedback, thereby causing the cancellation of the invariant zeros by an equal number of the system poles. The invariant zeros are obtained as the eigenvalues of a matrix of the same dimension as the number of invariant zeros. The method is applicable to both multivariable as well as single-input, single-output systems. Examples are given to illustrate the use of the method.
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