Vibration Control of Moving Flexible Member Using Piezoelectric Actuators
Publication: Journal of Engineering Mechanics
Volume 121, Issue 8
Abstract
The active vibration control of a moving flexible member was studied in this work. The equation of motion of flexible members could be expressed as a continuous time-varying state equation in the state space. The matrix of state transition was approximated stepwise by the matrix exponential; in addition, the state equation was discretized to a difference equation to improve the computing efficiency. Furthermore, an optimal control of time-varying procedure system based on the minimization of a quadratic performance index for state vectors and control forces was developed. Active vibration control of a rotating beam was selected as a numerical example in making a comparison with other methods. Active vibration control of a rotating beam using the piezoelectric actuators was carried out as an experiment example.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 121 • Issue 8 • August 1995
Pages: 858 - 864
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Aug 1, 1995
Published in print: Aug 1995
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