Abstract

This paper proposes the Sliding Mode Control (SMC) approach in order to control the nonlinear system. A nonlinear model of a five degree of freedom (DOF) flywheel energy storage system (FESS) obtained using Lagrange's equation is introduced. The SMC approach is proposed not only to out-perform the proportional integral differential (PID) control but also to show some advantages. Firstly, a robust stabilization problem for a class of nonlinear systems is considered. Secondly, conservatism of PID approach is reduced and robustness of the system is also enhanced in this study. Finally, a numerical example has been obtained and compared with the conventional PID control.

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