CAD of nonlinear controllers for nonlinear systems

This paper describes a new software package developed for designing nonlinear controllers for nonlinear systems. The package has been developed in the MATLAB and SIMULINK environment. With a powerful graphical user interface, it incorporates several nonlinear controller design methods based on the sinusoidal-input describing function method. Users of this package can easily design and compare different controller algorithms so that they can implement appropriate nonlinear controllers to meet their needs.