Active control of vibration intensity flow in a beam in far-field.
نویسندگان
چکیده
منابع مشابه
Active Vibration Suppression of a Smart Beam via PID Control
In this study, a PID controller was designed for the active vibration suppression of a smart beam equipped with PZT (Lead-Zirconate-Titanate) patches. The smart beam is a cantilever aluminium beam having eight symmetrically located surface-bonded piezoelectric patches. In this particular application, a group of PZT patches closed to the root of the beam was used as actuators and from the remain...
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This study is aimed to explore efficiency problems of using PZT patches in active vibration control of beams. The PZT patches are surface-bonded as actuators and strain gages are used as sensors. Distributed moment forcing mode is adopted to derive the control authority of actuators. Uniform beam model is applied when the mass and stiffness of PZT patches are ignored. Stepped beam model is then...
متن کاملActive Vibration Control of Smart Beam under Random Vibrations
Thepresent paper discusses active vibration control of a cantilever beam subjected to random base excitation. The smart materials used are piezoelectric patches for both as sensor and actuator, and actuation based on the surface strains. Finite element model of the smart beam is obtained using Euler-Bernoulli formulation. Positive Position Feedback (PPF) controller is proposed for active dampin...
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ژورنال
عنوان ژورنال: Journal of the Acoustical Society of Japan (E)
سال: 1999
ISSN: 0388-2861,2185-3509
DOI: 10.1250/ast.20.347