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This paper reports results from the ongoing research on MOM devices as nonlinear analog blocks in circuits and systems. Here the describing function of a MOM device V-I characteristic is calculated step by step, and also the stability of MLC circuits when the memristor is time varying is discussed.
Recently a fourth circuit element, predicted four decades ago, has been discovered by HP researchers. This device, known as the memristor, is basically a resistance with memory that can be used as a tunable gain in control systems. In this paper the memristor experimental characteristic is modeled with a describing function and used to predict oscillations in closed loop systems with linear plants.
After three decades of research, an electronic device that belongs to the class of nonlinear systems known as memristive systems has been found. In this paper an I/O linearization approach to memristive systems is proposed and illustrated with the actual memristor equations.
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