Signal Stabilization of a Memory Type Nonlinearity

[+] Author and Article Information
A. K. Mahalanabis

Institute of Radiophysics, Calcutta University, Calcutta, India

R. Oldenburger

Automatic Control Center, School of Mechanical Engineering, Purdue University, Lafayette, Ind.

J. Basic Eng 89(2), 321-326 (Jun 01, 1967) (6 pages) doi:10.1115/1.3609603 History: Received July 05, 1966; Online November 03, 2011


The dual input describing function (DIDF) is derived here by statistical methods for the difficult case of a memory type nonlinearity. Special mathematical techniques are used to simplify the problem so that closed form solutions can be obtained. The DIDF is employed to determine the effect of an external sinusoidal signal on system limit cycles. The theoretical results are verified by tests on an analogue computer.

Copyright © 1967 by ASME
Topics: Signals , Computers , Cycles
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