Title :
Improved describing function for hysteresis
Author :
Atkinson, P. ; Thomas, P.J.
Author_Institution :
University of Reading, Department of Engineering & Cybernetics, Reading, UK
Abstract :
A new and more accurate approximation for the describing function for hysteresis with saturation is described. This is based on a set of parallelograms with flat tops and gives rise to a single point on the Nyquist diagram which then becomes the stability bound.
Keywords :
describing functions; hysteresis; limit cycles; nonlinear control systems; stability; Nyquist diagram; describing function; hysteresis; limit cycles; nonlinear control systems; stability bound;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19750108
