Abstract

This paper deals with active vibration control of a plate like smart flexible structure. This plate is equipped with several thin piezoelectric patches. Some of them are used as sensors and the others as actuators. They are optimally positioned and not collocated. The main goal of control is to reduce the most energetic vibrating modes. By using a state-space representation of a MIMO model of the equipped structure, derived from Finite Elements Modeling and modal analysis, a synthesis setup is derived to design an H∞ controller. The resulting controller is reduced and tested experimentally.

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