Abstract
Vibration control for a smart carbon fiber reinforced plastics (CFRP) composite beam actuated by piezoceramics (PZT) and electro-rheological fluids (ERF) is investigated in this paper. Since the application of linear control theory to the vibration control is very difficult due to the intensive nonlinearity of the ERF actuator, a fuzzy model of the controlled element containing two actuators is constructed. In this study, the time delay of the response of the actuator is also taken into consideration. A controller for vibration suppression of the composite beam is designed based on the fuzzy model for guaranteeing stability of the vibration control system. The effect of the control system is verified by experiment and simulation.
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