SYSTEMS AND METHODS FOR ABSORPTION TUNING FOR TOTAL WAVE ABSORPTION AND REFLECTION
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United States of America
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Issued Date -
Nov 7, 2024
app pub date -
May 4, 2023
filing date -
May 4, 2023
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Abstract
System, methods, and other embodiments described herein relate to tuning an absorption system based on an exceptional point for a shunted mechanical resonator of the absorption system. In one embodiment, the absorption system includes a first mechanical resonator having a beam connected to a body that is subject to a flexural wave. The first mechanical resonator has a latent absorption. The absorption system includes a first electrical resonator that includes a piezoelectric device, bonded to the beam, that generates electricity in response to the flexural wave propagating through the body. The absorption system also includes a shunting circuit connected to the piezoelectric device and tuned based on a calculated exceptional point for the absorption system. The shunting circuit alters an absorption of the first mechanical resonator and controls a voltage and current shunted to the piezoelectric device to absorb the flexural wave.
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