An improved approach to stability analysis of fixed-point digital control systems under finite word length effects

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Title:	An improved approach to stability analysis of fixed-point digital control systems under finite word length effects
Authors:	柯賢儒;Ko, Hsien-Ju
Contributors:	光電與通訊學系
Keywords:	"ﬁnite word-length (FWL);stability criterion;closed-loop;normal-form"
Date:	2010-08
Issue Date:	2012-11-26 02:21:54 (UTC+0)
Abstract:	"This paper presents an improved approach to analyze the stability of the digital closed-loop control systems under ﬁnite word-length (FWL) effects. This approach can effectively evaluate the least bits that the digital controllers should be implemented to preserve the stability of the closed-loop systems. The conservativeness in the stability analysis in terms of word length can be released by using normal-form transformation. Finally, the numerical simulations will be provided to verify the proposed approach."
Relation:	Proceedings of the SICE Annual Conference
Appears in Collections:	[Department of Photonics and Communication Engineering] Journal Article

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