Continuous-time system representation with exact macro-difference expressions
作者:
EDUARD EITELBERG,
期刊:
International Journal of Control
(Taylor Available online 1988)
卷期:
Volume 47,
issue 5
页码: 1207-1212
ISSN:0020-7179
年代: 1988
DOI:10.1080/00207178808906088
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
A macro-difference equation representation is proposed which is a mixture of finite-difference quotients and integrals over finite time intervals. The choice of the micro or sampling interval length (for the numerical integration accuracy and representation bandwidth) and the choice of the macro interval length (for numerical conditioning/accuracy of the difference quotients and of the resulting equations) are independent. This approach does not need the assumption (which in practical situations is quite unnatural) of zero initial conditions.
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