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Vibration control of smart composite structures using shunted piezoelectric systems and neuro-fuzzy techniques

机译:用分流压电系统和神经模糊技术振动控制智能复合结构及神经模糊技术

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摘要

Shunt piezoelectric circuits can be used in several combinations for passive control of smart structures. Resonant shunt circuits with resistors and inductors can control resonant frequencies, by consuming the energy produced from vibrations by passing it to electric components. Such systems are very efficient for single-mode problems; however, when it comes to multi-mode control, their performance drastically deteriorates. The purpose of the present study is the development of optimized resonant shunt piezoelectric circuits, along with an intelligent control system based on adaptive neuro-fuzzy techniques, for vibration suppression of smart composite structures. Shunt circuits are pre-tuned to the first four eigenfrequencies and a neuro-fuzzy control system is developed and used for the activation of the suitable shunt circuit, each time, providing the necessary adaptivity to the whole system.
机译:分流压电电路可用于智能结构的无源控制的几种组合。 具有电阻器和电感器的谐振分流电路可以通过将通过使其传递给电气部件来消耗从振动产生的能量来控制谐振频率。 这种系统对于单模问题非常有效; 但是,在多模式控制方面,它们的性能急剧恶化。 本研究的目的是开发优化的谐振分流压电电路,以及基于自适应神经模糊技术的智能控制系统,用于振动复合结构的振动抑制。 分流电路预先调整到前四个特征频道,并且每次开发并用于激活合适的分流电路的神经模糊控制系统,为整个系统提供必要的适应性。

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