engleski

Describing Function and Error Estimation for Class of Nonlinear Systems with Fuzzy elements

The procedure for approximate analytical determination of describing function of nonlinear systems with odd static characteristics is presented in the paper. Generalized mathematical expressions for determining such describing function with error estimation are given. The procedure is illustrated on determination of describing function, and corresponding error estimation, of Mamdani fuzzy element and nonlinear system with fuzzy element and saturation nonlinearity.

Describing function; Nonlinear systems; Fuzzy elements

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