An observer design for linear systems with unknown inputs
作者:
N. KOBAYASHI,
T. NAKAMIZO,
期刊:
International Journal of Control
(Taylor Available online 1982)
卷期:
Volume 35,
issue 4
页码: 605-619
ISSN:0020-7179
年代: 1982
DOI:10.1080/00207178208922642
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
A method is presented for designing an observer for the state of a linear time-invariant system with unknown inputs. The structure algorithm developed by Silverman is applied to obtain the observer which estimates the maximum estimable subspace of the state. It is shown that the observer equation can be derived from the maximum uncontrollable subspace of the original system with the aid of a left inverse for a transposed linear system. This leads us to the necessary and sufficient condition for the existence of a state observer. An application to the insensitivity observer synthesis is also included.
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