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Dissipativity analysis for fixed-point interfered digital filters
- Authors
- Ahn, Choon Ki; Shi, Peng
- Issue Date
- Apr-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- (Q, S, R)-alpha-dissipativity; Unified framework; Digital filter; Finite word length effect
- Citation
- SIGNAL PROCESSING, v.109, pp.148 - 153
- Indexed
- SCIE
SCOPUS
- Journal Title
- SIGNAL PROCESSING
- Volume
- 109
- Start Page
- 148
- End Page
- 153
- ISSN
- 0165-1684
- Abstract
- This paper is concerned with establishing a new criterion for the (Q S, R)-alpha-dissipativity of fixed-point interfered state-space digital filters with saturation overflow arithmetic. The objective of this paper is to present the H-infinity performance, passivity, and mixed H-infinity/passivity criteria in a unified framework. By tuning the weight matrices, the proposed criterion reduces to the H-infinity performance, passivity, and mixed H-infinity/passivity criteria. Improved criteria are also proposed for reducing the conservatism of the proposed criterion. These criteria are expressed with linear matrix inequalities (LMIs). A numerical example shows the effectiveness of the proposed results. (C) 2014 Elsevier B.V. All rights reserved.
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Related Researcher
- Ahn, Choon ki
- College of Engineering (School of Electrical Engineering)