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- W2826614012 abstract "Active vibration control of large flexible space structure is a challenging topic in the system dynamics and control of spacecraft. This paper proposes a novel approach for vibration control on a large hoop truss structure, typically used as mesh satellite antenna. First, to suppress the first-order bending modal response of the hoop truss structure with an initial disturbance, a piezoelectric bending actuator with excellent bending actuation performance was carefully designed as a key component of an active vibration control system. Then, the actuating characteristics of the actuator and the dynamic equations of the active structure were analyzed and formulated based on a finite element method. In order to improve the vibration-attenuating effect of the control system, a Mamdani-type fuzzy logic algorithm was employed in a closed-loop control system. Finally, simulations and experiments were implemented to validate the effectiveness of the proposed active control approach and structure. The experimental results showed that the decay time of first-order bending modal response (around 0.34 Hz) of control system reduces by 75% compared with that of the uncontrolled system. The results demonstrate that the proposed active vibration control system has good application potential in controlling the bending modes of a large flexible spacecraft." @default.
- W2826614012 created "2018-07-19" @default.
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- W2826614012 date "2018-07-25" @default.
- W2826614012 modified "2023-10-11" @default.
- W2826614012 title "Active vibration control of a hoop truss structure with piezoelectric bending actuators based on a fuzzy logic algorithm" @default.
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- W2826614012 doi "https://doi.org/10.1088/1361-665x/aad1b6" @default.
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