Combined frequency and time domain technique for the design of compensators for non-linear feedback control systems
作者:
S. D. KATEBI,
M. R. KATEBIJ,
期刊:
International Journal of Systems Science
(Taylor Available online 1987)
卷期:
Volume 18,
issue 11
页码: 2001-2017
ISSN:0020-7721
年代: 1987
DOI:10.1080/00207728708967171
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Computer based methods are developed for the analysis, synthesis and design of linear compensators for a wide class of single-loop non-linear feedback systems characterized by a separable non-linear element of any general multivalued form. Preliminary analysis is performed in the complex frequency domain applying approximate analytical methods to predict and quantify possible modes of limit cycle operation. Graphical displays are used to determine initial compensator structure which will ensure the avoidance of the critical region in this domain. Subsequently, a numerical synthesis procedure is applied to adjusting the compensator parameters to meet a set of additional time domain functional subject to specified system constraints and, if possible, the absence of autonomous limit-cycle operation.
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