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首页> 外文期刊>Composite Structures >Robust passive control methodology and aeroelastic behavior of composite panels with multimodal shunted piezoceramics in parallel
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Robust passive control methodology and aeroelastic behavior of composite panels with multimodal shunted piezoceramics in parallel

机译：多模式分流压电陶瓷复合板的鲁棒被动控制方法和气动力行为平行

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The increasing use of composite materials in the aeronautical industry has made it possible to build lighter structures with better mechanical properties. Since lighter structures tend to be more flexible, undesirable vibrations and noise are increased and strategies that improve the aeroelastic stability are key issues to be addressed. With the use of intelligent materials, it is possible that the structure has the ability to dissipate energy and stabilize itself when subjected to external dynamic loadings imposed by airflow. This work demonstrates the feasibility of using a passive control tool to increase the supersonic flutter boundary of composite panels using a multimodal shunted piezoceramic in parallel topology. For an application of industrial interest, uncertainties in the electrical parameters of the shunt circuit are considered in the control system design. Numerical applications are presented and the main features and capabilities of the proposed methodology are highlighted.
机译：在航空工业中越来越多地利用复合材料，使得具有更好的机械性能的打火机结构。由于较轻的结构倾向于更加灵活，因此增加了不希望的振动和噪音，并且提高空气弹性稳定性的策略是要解决的关键问题。随着智能材料的使用，该结构可能具有散发能量的能力，并且当受到气流施加的外部动态载荷时稳定自身。这项工作展示了使用被动控制工具的可行性，以增加使用多模分流压电的压电晶的复合板的超音速颤动边界。为了应用工业利益，在控制系统设计中考虑了分流电路的电气参数的不确定性。提出了数值应用，突出显示了所提出的方法的主要特征和能力。

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