Vibration Suppression on the Composite Laminated Plates Subjected to Aerodynamic and Harmonic Excitations Based on the Nonlinear Piezoelectric Shunt Damping

Zhou, Kai; Hu, Zhengmin

doi:10.1016/j.apm.2023.04.026

Cited by 12 publications

(2 citation statements)

References 50 publications

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“…The implementation of linearly [1][2][3][4] or non-linearly [5] shunted piezoelectric elements in smart structures for vibration reduction is often associated with the surface application [6,7] of transducers onto plate like structures. An inductive shunt in series with a piezo transducer results in an electrical circuit resonance, which interacts with the dynamics of the host structure.…”

Section: Introductionmentioning

confidence: 99%

Implementation of tunable frequency-dependent stiffness elements via integrated shunted piezoelectric stacks

Van Damme,

Weber,

Schmied

et al. 2024

Smart Mater. Struct.

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Piezoelectric transducers applied on or integrated in structures, combined with appropriate circuits have been extensively investigated as a smart approach to the mitigation of resonant vibrations with high relative amplitudes. A resonant shunt circuit consisting of the capacitive piezoelectric transducer and an inductance can be configured to target specific eigenmodes of a structure, if appropriately placed and tuned. Their effect is expressed in terms of mechanical impedance of the host structure, allowing for the exchange of energy between the mechanical and electrical domain, to dramatically affect the dynamic response of the structure. By re-framing the function of resonant shunted piezoelectric transducers as frequency dependent variable stiffness elements, this paper investigates their capability to realize a frequency dependent structural mechanical connectivity, where the load path within a lattice structure can be interrupted at will for specific frequencies by tunable null-stiffness components. Here, we offer the numerical and experimental verification of this idea, by demonstrating the ability to significantly affect the dynamic response of a unit cell of an adaptive lattice metamaterial, even away from a structural resonance. In the latter case, the null-stiffness shunt leads to an additional resonance peak in the truss’ dynamic response. Its realization as additively manufactured component points to the feasibility of such structures in real life.

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Section: Introductionmentioning

confidence: 99%

Implementation of tunable frequency-dependent stiffness elements via integrated shunted piezoelectric stacks

Van Damme,

Weber,

Schmied

et al. 2024

Smart Mater. Struct.

View full text Add to dashboard Cite

show abstract

“…In the past decades, vibration suppression techniques leveraging piezoelectric (PE) materials have gained significant attention due to their exceptional coupling performance and light weight properties [1][2][3]. Among these techniques, the PE shunt absorber, achieved by connecting shunt circuits to the electrodes of PE elements, is one of the most intensively studied strategies [4,5]. Forward [6] proposed the * Author to whom any correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

A nonlinear piezoelectric shunt absorber with tunable piecewise linear negative capacitance

Zhang,

Li,

Sun

et al. 2024

Smart Mater. Struct.

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In recent years, extensive research has been devoted to nonlinear piezoelectric shunt circuits for mitigating structural vibrations. However, existing studies have primarily concentrated on polynomial nonlinearity, particularly cubic nonlinearity. This paper develops a tunable non-smooth piezoelectric shunt absorber to suppress structural vibrations under harmonic excitation. We enhance the conventional resonant circuit by introducing a piecewise linear negative capacitor, which is implemented using a pair of diodes and voltage sources. The stationary response of the non-smooth system is derived using the complexification-averaging method. The effects of critical voltage and excitation intensity on the damping performance are investigated subsequently. Furthermore, we apply an adaptive control method based on the gradient descent algorithm with adaptive moment estimation (Adam) to the nonlinear circuit, improving its damping performance and enabling adaptation to changes in excitation intensity. Experimental results validate the effectiveness of the proposed adaptive nonlinear circuit, demonstrating superior stationary performance compared to linear resonant shunt circuits across a broad bandwidth of frequencies, especially at off-resonant frequencies.

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Optimization analysis of the intentional mistuning mode of the blisk with piezoelectric shunt damping patches

Shen,

Sun,

et al. 2023

J Braz. Soc. Mech. Sci. Eng.

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Vibration Suppression on the Composite Laminated Plates Subjected to Aerodynamic and Harmonic Excitations Based on the Nonlinear Piezoelectric Shunt Damping

Cited by 12 publications

References 50 publications

Implementation of tunable frequency-dependent stiffness elements via integrated shunted piezoelectric stacks

Implementation of tunable frequency-dependent stiffness elements via integrated shunted piezoelectric stacks

A nonlinear piezoelectric shunt absorber with tunable piecewise linear negative capacitance

Optimization analysis of the intentional mistuning mode of the blisk with piezoelectric shunt damping patches

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