A simple connection between closed-loop transient response and open-loop frequency response
作者:
J.C.West,
J.Potts,
期刊:
Proceedings of the IEE - Part II: Power Engineering
(IET Available online 1953)
卷期:
Volume 100,
issue 75
页码: 201-212
年代: 1953
DOI:10.1049/pi-2.1953.0083
出版商: IEE
数据来源: IET
摘要:
The phase-margin concept of the behaviour of the Nyquist diagram in the vicinity of the critical point is extended to give a more generalized formula. This relates the damping of the principal oscillatory mode of a closed-loop feedback system to the shape of the Nyquist diagram. All the quantities involved can be obtained from this diagram without further mathematical analysis or graphical construction on the diagram.A theoretical foundation for the formula is given and experimental verification is included.
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