Smart Structures Innovations Using Robust Control Methods

IF 12.2 1区 工程技术 Q1 MECHANICS
Amalia Moutsopoulou, G. Stavroulakis, M. Petousis, N. Vidakis, A. Pouliezos
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引用次数: 3

Abstract

This study’s goal is to utilize robust control theory to effectively mitigate structural oscillations in smart structures. While modeling the structures, two-dimensional finite elements are used to account for system uncertainty. Advanced control methods are used to completely reduce vibration. Complete vibration suppression is achieved using advanced control techniques. In comparison to traditional control approaches, Hinfinity techniques offer the benefit of being easily adaptable to issues with multivariate systems. It is challenging to simultaneously optimize robust performance and robust stabilization. One technique that approaches the goal of achieving robust performance in mitigating structural oscillations in smart structures is H-infinity control. H-infinity control empowers control designers by enabling them to utilize traditional loop-shaping techniques on the multi-variable frequency response. This approach enhances the robustness of the control system, allowing it to better handle uncertainties and disturbances while achieving desired performance objectives. By leveraging H-infinity control, control designers can effectively shape the system’s frequency response to enhance stability, tracking performance, disturbance rejection, and overall robustness.
采用鲁棒控制方法的智能结构创新
本研究的目的是利用鲁棒控制理论有效地减轻智能结构中的结构振动。在对结构进行建模时,采用二维有限元来考虑系统的不确定性。采用先进的控制方法,彻底降低振动。采用先进的控制技术实现了完全的振动抑制。与传统的控制方法相比,无限技术提供了易于适应多变量系统问题的优点。同时优化鲁棒性能和鲁棒稳定性是一项具有挑战性的任务。在智能结构中实现鲁棒性能以减轻结构振动的一种方法是h -∞控制。H-infinity控制使控制设计人员能够在多变量频率响应上利用传统的环路成形技术。这种方法增强了控制系统的鲁棒性,使其能够更好地处理不确定性和干扰,同时达到预期的性能目标。通过利用h -∞控制,控制设计人员可以有效地塑造系统的频率响应,以增强稳定性、跟踪性能、抗干扰性和整体鲁棒性。
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来源期刊
CiteScore
28.20
自引率
0.70%
发文量
13
审稿时长
>12 weeks
期刊介绍: Applied Mechanics Reviews (AMR) is an international review journal that serves as a premier venue for dissemination of material across all subdisciplines of applied mechanics and engineering science, including fluid and solid mechanics, heat transfer, dynamics and vibration, and applications.AMR provides an archival repository for state-of-the-art and retrospective survey articles and reviews of research areas and curricular developments. The journal invites commentary on research and education policy in different countries. The journal also invites original tutorial and educational material in applied mechanics targeting non-specialist audiences, including undergraduate and K-12 students.
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