Spurious predictions of limit cycles in a non-linear feedback system by the describing function method
作者:
P. E. RAPP,
A. I. MEES,
期刊:
International Journal of Control
(Taylor Available online 1977)
卷期:
Volume 26,
issue 6
页码: 821-829
ISSN:0020-7179
年代: 1977
DOI:10.1080/00207177708928526
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
It is known that the describing function method can fail to predict limit cycles which do in fact exist. We wish to draw attention to a different mode of failure, where the method predicts limit cycles which do not exist. A surprising feature of the example we give is that the linear part of the system has excellent low-pass properties, unlike the linear parts used in examples of the other failure mode.
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