Suppression of Limit Cycles in Interfered Digital Filters with Generalized Overflow Nonlinearities

摘要

This paper is concerned with the problem of the suppression of overflow oscillations in fixed-point state-space interfered digital filters using generalized overflow nonlinearities. The proposed linear matrix inequalities-based criteria not only assure asymptotic stability, but also minimize the effect of external interference to a prescribed attenuation level. The usefulness of the criteria is illustrated by numerical examples.