Novel Criterion for Preventing Overflow Oscillations in Fixed-Point Digital Filters With State Saturation

被引：5

作者：

Agarwal, Neha ^{[1
]}

Kar, Haranath ^{[1
]}

机构：

[1] Motilal Nehru Natl Inst Technol, Elect & Commun Engn Dept, Prayagraj 211004, India

来源：

IEEE SIGNAL PROCESSING LETTERS | 2022年 / 29卷

关键词：

Asymptotic stability; Stability criteria; Arithmetic; Symmetric matrices; Signal processing algorithms; Digital filters; Trajectory; Digital filter; global asymptotic stability; linear matrix inequality; Lyapunov method; saturation arithmetic; DISCRETE-TIME-SYSTEMS; ASYMPTOTIC STABILITY; IMPLEMENTATION; MINIMIZATION; REALIZATION; ELIMINATION; OPERATOR; FORM;

D O I：

10.1109/LSP.2022.3176489

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter presents a novel global asymptotic stability (GAS) criterion for fixed-point digital filters (DFs) employing saturation overflow arithmetic. The criterion is developed using an improved characterization of saturation nonlinearities (as prevailing in the DF under study) and Lyapunov theory. The criterion outperforms a series of existing criteria.

引用

页码：1287 / 1291

页数：5

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