LMI Approach to Stability of Direct Form Digital Filters Utilizing Single Saturation Overflow Nonlinearity
Vimal Singh · IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing · 2007
A criterion for the elimination of limit cycles in direct form digital filters utilizing single saturation overflow nonlinearity is presented. The criterion takes the form of linear matrix inequality and, hence, is computationally tractable. An example showing the effectiveness of the present criterion is given.