The analysis of nonlinear systems can be greatly improved by the use of computer software. In this paper an interactive, user-friendly, graphically oriented toolbox based on Matlab is presented. Nonlinear systems whose nonlinearity is given by a relay are considered, and stability of free and forced oscillations is analyzed using the methods by Hamel, Tsypkin and Paquet. Nonlinear systems with polynomial nonlinearity are also treated and analyzed using Hopf's theorem in the frequency domain. The structure of the code is described and some illustrative examples are presented to validate the software capabilities.

A CAD tool for limit cycle prediction in nonlinear systems

LANDI, ALBERTO;INNOCENTI, MARIO;
1996-01-01

Abstract

The analysis of nonlinear systems can be greatly improved by the use of computer software. In this paper an interactive, user-friendly, graphically oriented toolbox based on Matlab is presented. Nonlinear systems whose nonlinearity is given by a relay are considered, and stability of free and forced oscillations is analyzed using the methods by Hamel, Tsypkin and Paquet. Nonlinear systems with polynomial nonlinearity are also treated and analyzed using Hopf's theorem in the frequency domain. The structure of the code is described and some illustrative examples are presented to validate the software capabilities.
1996
Landi, Alberto; Innocenti, Mario; Paoletti, F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/175560
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