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Accounting for Out-of-Bandwidth Modes in the Assumed Modes Approach: Implications on Colocated Output Feedback Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Colocated, output feedback is commonly used in the control of reverberant systems. More often than not, the system to be controlled displays high modal density at a moderate frequency, and ...
Practical Limitations in Achieving Shaped Modal Sensors With Induced Strain Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this work is to explore practical limitations associated with the design of distributed modal sensors from induced strain materials for two-dimensional structures and illuminate ...
Dissipative Feedback Control of a Reverberant Enclosure Using a Constant Volume Velocity Source
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Loudspeakers are commonly used as actuators in active noise control applications. In this work, a loudspeaker is compensated so that it approximates a constant volume velocity source over the ...
Piezoelectric Actuators for Distributed Vibration Excitation of Thin Plates: A Comparison Between Theory and Experiment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental results from vibration excitation of a simply supported plate with multiple patches of piezoceramic material bonded to the surface are compared to theoretical predictions for the ...
Experiments on Active Control of Plate Vibration Using Piezoelectric Actuators and Polyvinylidene Fluoride (PVDF) Modal Sensors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experiment was performed to investigate the implementation of shaped PVDF modal sensors on a simply supported rectangular plate to control specific modes of the vibration. The plate was ...
Experimental Robust Control of Structural Acoustic Radiation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work addresses the design and application of robust controllers for structural acoustic control. Both simulation and experimental results are presented. H∞ and μ-synthesis design methods were ...
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