一种基于H2范数的振动主动控制的传感器和执行器放置技术

P. Ambrosio, F. Ripamonti, F. Resta, F. Braghin
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引用次数: 2

摘要

在智能结构振动主动控制中,作动器和传感器的布置是控制系统设计的关键。本文的目标是提出一种用于执行器和传感器放置的H2范数方法,该方法不仅旨在最大化受控模式的范数,而且通过考虑剩余模式并最小化其H2范数来减少溢出问题。在三面固定的方形碳纤维板的有限元模型上,讨论了压电片致动器和加速度传感器的最优致动器和传感器配置。最后,在执行器和传感器定位的下游,应用了众所周知的IMSC控制逻辑来测试最优定位。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A sensor and actuator placement technique for active vibration control using H2 norm
In Active Vibration Control of smart structures, the actuator and sensor placement is a key point of the control system design. The objective of this paper is to propose an H2 norm approach for the actuator and sensor placement, which aims not only to maximize the norms of the controlled modes but also to reduce spillover problems by taking into account the residual modes and minimizing their H2 norms. It discusses optimal actuator and sensor configuration on a finite element model of a square carbon fiber plate fixed on three sides with piezoelectric patch actuators and acceleration sensors. Finally, downstream the actuator and sensor positioning, the well known IMSC control logic have been applied in order to test the optimal positioning.
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