Boundary control of a flexible beam with output constraint under saturation input
by Chuyang Yu; Haojie Lin; Xuyang Lou; Jiajia Jia
International Journal of Modelling, Identification and Control (IJMIC), Vol. 42, No. 2, 2023

Abstract: This paper focuses on the problem of saturated boundary control for a flexible beam system with unknown disturbances and output constraint. It is aimed to suppress the vibration of the flexible beam system with unknown disturbances and input saturation, and make the pitch of the boundary output remain in the constraint. In order to satisfy the system constraint, an auxiliary term is established and a barrier Lyapunov function is applied. Two boundary controllers with a barrier term and an auxiliary term are constructed to prove the uniform ultimate boundedness of the state of the flexible beam. Numerical simulations are given to verify the effectiveness of the proposed control methods.

Online publication date: Fri, 10-Mar-2023

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