Discrete-time observability for distributed parameter systems
作者:
TOSHIHIRO KOBAYASHI,
期刊:
International Journal of Control
(Taylor Available online 1980)
卷期:
Volume 31,
issue 1
页码: 181-193
ISSN:0020-7179
年代: 1980
DOI:10.1080/00207178008961036
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The aim of this paper is to study the observability for systems described by first-order evolution equations and for those described by second-order evolution equations in the case of discrete-time observations. For the systems with a finite number of sensors we present necessary and sufficient conditions for observability. We show that these distributed parameter systems are never finite-step observable. We give the restricted sets of the initial-state spaces whose elements areN-step observable. We also investigate the relations between the systems with discrete-time observations and the systems with continuous-time observations from the viewpoint of observability Moreover, we see the essential difference between the parabolic case and the hyperbolic case.
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