2003
DOI: 10.1088/0964-1726/12/1/303
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A broadband controller for shunt piezoelectric damping of structural vibration

Abstract: In this paper a broadband active shunt technique for controlling vibration in piezoelectric laminated structures is proposed. The effect of the negative capacitance controller is studied theoretically and then validated experimentally on a piezoelectric laminated simply supported plate. The 'negative capacitance controller' is similar in nature to passive shunt damping techniques, as a single piezoelectric transducer is used to dampen multiple modes. While achieving comparable performance to that of the passiv… Show more

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Cited by 186 publications
(145 citation statements)
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“…In [14], the authors tested different negative C-shunt circuits for the application of this approach e.g., in order to change the stiffness of a PVDF material. In [15], a similar circuit is used in series with a resistance. Figure 3 shows the principle scheme of a negative C-shunted piezoelectric element.…”
Section: Negative C-shuntmentioning
confidence: 99%
“…In [14], the authors tested different negative C-shunt circuits for the application of this approach e.g., in order to change the stiffness of a PVDF material. In [15], a similar circuit is used in series with a resistance. Figure 3 shows the principle scheme of a negative C-shunted piezoelectric element.…”
Section: Negative C-shuntmentioning
confidence: 99%
“…However, it is permissible to assume a simplified model of the transducer where internal resistance is omitted. In this case internal resistance of the transducer, which usually is in the range 50 -100 Ω (Behrens & Fleming, 2003) is negligibly small in comparison to the resistance of externally applied electric circuit (400 kΩ), so it was omitted. Taking into account an equivalent circuit of the piezoelectric transducer presented in Fig.…”
Section: Mechatronic System With Broad-band Piezoelectric Vibration Dmentioning
confidence: 99%
“…Modeling and Investigation of One-Dimensional Flexural Vibrating Mechatronic Systems with Piezoelectric Transducers 37 RC circuit with a harmonic voltage source generated by the transducer (Behrens & Fleming, 2003;Moheimani & Fleming, 2006). Fig.…”
Section: Mechatronic System With Broad-band Piezoelectric Vibration Dmentioning
confidence: 99%
“…A simple shunt damping technique, which has shown success in controlling structural vibration over a wide frequency band, is the negative capacitance shunt [19][20][21][22][23]30,31]. Although, inherently, it is a feedback control technique [21], many researchers have used the negative capacitance shunt to cancel the inherent capacitance of the piezoelectric patch in order to increase the power dissipation in the resistive element [19,24,25].…”
Section: Introductionmentioning
confidence: 99%