The use of zeros and zero-directions in model reduction
作者:
U. SHAKED,
N. KARCANIAS,
期刊:
International Journal of Control
(Taylor Available online 1976)
卷期:
Volume 23,
issue 1
页码: 113-135
ISSN:0020-7179
年代: 1976
DOI:10.1080/00207177608922144
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The concept of zeros and zero-directions of a linear time-invariant multivariable system is applied to the problem of shifting eigenvectors into the kernel of the information extraction mapC. By making the maximum number of the closed system modes unobservable, a lower-order transfer-function matrix is obtained. The state feedback structure reducing the model to one of lower dimensions does not exploit all of the degrees of freedom. A part of them are used for pole allocation of the remaining observable poles using a dyadic feedback technique. The suggested technique is applied to reduce a broad class of multivariable systems into first-order multivariable systems. Finally, a dynamical structure realizing the same objectives is introduced.
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