On-line control of a flexible beam using adaptive fuzzy controller and piezoelectric actuators

AUTOR(ES)

Abreu, Gustavo Luiz C. M. de, Ribeiro, José F.

FONTE

Sba: Controle & Automação Sociedade Brasileira de Automatica

DATA DE PUBLICAÇÃO

2003-12

RESUMO

This paper presents a design of adaptive fuzzy controllers applied to the control of vibrations in flexible structures containing distributed piezoelectric actuator patches. The adaptive fuzzy controller is constructed from a set of fuzzy IF-THEN rules whose parameters are adjusted on-line according to some adaptation law. The adaptive law is derived based on the Lyapunov's stability theory. This control methodology is experimentally verified in a steel cantilever test beam and a set of experimental tests are made in the system to verify the efficiency of the adaptive fuzzy controller proposed.

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