Synthetic impedance for implementation ofpiezoelectric shunt-damping circuits

Fleming, Andrew J.; Behrens, Sam; Moheimani, S. O. Reza

doi:10.1049/el:20001083

Cited by 158 publications

(133 citation statements)

References 1 publication

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“…Voltage-velocity analogy. By substituting the surface-bonded piezoelectric transducers with the capacitors in Figure 7, and by adopting the constitutive relations (15), the following equations for the mechanically fed analog circuit are derived:…”

Section: Pem Beam Modelsmentioning

confidence: 99%

“…Many e orts have been devoted to simulating huge inductors by means of active electronic circuits. In particular, in Reference [15], an implementation method using a digital signal processor is presented, while in Reference [16] an analog realization exploiting operational ampliÿers and multipliers is addressed. Nevertheless, when considerable structural vibrations are taken into account, several drawbacks can appear in these synthetic inductors due to saturation and non-linearities.…”

Section: Introduction: Overview Of Vibration Suppression Strategiesmentioning

confidence: 99%

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Circuit analog of a beam and its application to multimodal vibration damping, using piezoelectric transducers

Porfiri

Dell’Isola

Mascioli

2004

Circuit Theory & Apps

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SUMMARYIn this paper we solve the synthesis problem of ÿnding a completely passive electric circuit analog to a vibrating beam. The synthesis problem is of interest when one wants to suppress beam mechanical vibrations by using distributed piezoelectric transduction. Indeed, an e ective electromechanical energy transduction is guaranteed when the electric circuit (interconnecting the transducers' terminals) is resonant at all mechanical resonance frequencies and is able to mimic all the mechanical modal shapes. The designed electric circuit behaves as an electric controller of mechanical vibrations (i.e. an electric vibration damper) once suitably endowed with a set of resistors. Because of its completely passive nature, it does not require external power units and stands as an economical means of controlling vibrations.

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Section: Pem Beam Modelsmentioning

confidence: 99%

Section: Introduction: Overview Of Vibration Suppression Strategiesmentioning

confidence: 99%

Circuit analog of a beam and its application to multimodal vibration damping, using piezoelectric transducers

Porfiri

Dell’Isola

Mascioli

2004

Circuit Theory & Apps

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“…This circuit contains a number of passive components, including the resistances R , R 2 , R 3 , R 4 and the capacitance C 2 , as well as an active component, specifically, an operational amplifier that is essential for the circuit to reproduce the desired negative capacitance behavior. This specific circuit layout was chosen as opposed to others (Fleming et al (2000)) because of its simplicity and its effectiveness in the frequency range of interest. The impedance of the circuit in Figure 2 is determined by the formula…”

Section: System Descriptionmentioning

confidence: 99%

Design variables for optimizing adaptive metacomposite made of shunted piezoelectric patches distribution

Tateo

Collet

Ouisse

et al. 2014

Journal of Vibration and Control

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A two-dimensional array of piezoelectric transducer (PZT) shunted on negative capacitance circuit is designed and applied to achieve broadband vibration reduction of a flexible plate over tunable frequency bands. Each surface-bonded patch is connected to a single independent negative capacitance synthetic circuit. A finite element-based design methodology is used to predict and optimize the attenuation properties of the smart structure. The predictions are then experimentally validated by measuring the harmonic response of the plate and evaluating some derived quantity such as the loss factor and the kinetic energy ratio. The validated model is finally used to explore different configurations with the aim of defining some useful design criteria. The results obtained clearly show how the proposed strategy represents a robust and effective solution for the control of vibrations in complex structures.

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“…The synthetic admittance circuit proposed in [24] and [25], and depicted in Fig. 14 is an efficient method for implementing electrical shunts onto piezoelectric transducers.…”

Section: B Implementation Issuesmentioning

confidence: 99%

A survey of recent innovations in vibration damping and control using shunted piezoelectric transducers

Moheimani

2003

IEEE Trans. Contr. Syst. Technol.

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256

174

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Abstract-Research on shunted piezoelectric transducers, performed mainly over the past decade, has generated new opportunities for control of vibration and damping in flexible structures. This is made possible by the strong electromechanical coupling associated with modern piezoelectric transducers. In vibration control applications, a piezoelectric transducer is bonded to, or embedded in a base structure. As the structure deforms, the piezoelectric element strains and converts a portion of the structural vibration energy into electrical energy. By shunting the piezoelectric transducer to an electrical impedance, a part of the induced electrical energy can be dissipated. Hence, the impedance acts as a means of extracting mechanical energy from the base structure. This paper reviews recent research related to the use of shunted piezoelectric elements for vibration damping and control. In particular, the paper presents an overview of the literature on piezoelectric shunt damping and discusses recent observations on the feedback nature of piezoelectric shunt damping systems.

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Synthetic impedance for implementation ofpiezoelectric shunt-damping circuits

Cited by 158 publications

References 1 publication

Circuit analog of a beam and its application to multimodal vibration damping, using piezoelectric transducers

Circuit analog of a beam and its application to multimodal vibration damping, using piezoelectric transducers

Design variables for optimizing adaptive metacomposite made of shunted piezoelectric patches distribution

A survey of recent innovations in vibration damping and control using shunted piezoelectric transducers

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