Criterion for the H∞ Suppression of Overflow Oscillations in Fixed Point Digital Filters Employing Saturation Nonlinearities and External Interference

This paper proposes a novel criterion for suppressing the H ∞ overflow oscillations in fixed point state-space digital filters employing saturation nonlinearities and external interference. The proposed criterion can be used to ensure the exponential stability (ES) and diminish the external interfer...

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Bibliographic Details
Published inFluctuation and noise letters Vol. 21; no. 1
Main Authors Singh, Kalpana, Kandanvli, V. Krishna Rao, Kar, Haranath
Format Journal Article
LanguageEnglish
Published Singapore World Scientific Publishing Company 01.02.2022
World Scientific Publishing Co. Pte., Ltd
Subjects
Criteria
Digital filters
H infinity
Interference
Nonlinearity
Oscillations
Overflow
Saturation
Digital filter
performance
saturation nonlinearity
exponential stability
external interference
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Summary:This paper proposes a novel criterion for suppressing the H ∞ overflow oscillations in fixed point state-space digital filters employing saturation nonlinearities and external interference. The proposed criterion can be used to ensure the exponential stability (ES) and diminish the external interference effects to an H ∞ norm constraint. An example is given to exemplify the utility of the obtained results.
ISSN:0219-4775
1793-6780
DOI:10.1142/S021947752250002X