Abstract:The bandgap generated in piezoelectric metamaterials with resonant shunt circuits unveils a great potential for vibration control. This paper presents a piezoelectric metamaterial with the capability of broadband vibration attenuation by adaptive bandgap tuning. Unlike the widely used synthetic impedance circuit, a self-tuning resonant shunt circuit by integrating a microcontroller-driven digital potentiometer into the synthetic inductor circuit is developed to achieve the bandgap adjustment of the piezoelectr… Show more
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