Vibration Control by Means of Piezoelectric Actuators Shunted withLRImpedances: Performance and Robustness Analysis

This paper deals with passive monomodal vibration control by shunting piezoelectric actuators to electric impedances constituting the series of a resistance and an inductance. Although this kind of vibration attenuation strategy has long been employed, there are still unsolved problems; particularly, this kind of control does suffer from issues relative to robustness because the features of the electric impedance cannot be adapted to changes of the system. This work investigates different algorithms that can be employed to optimise the values of the electric components of the shunt impedance. Some of these algorithms derive from the theory of the tuned mass dampers. First a performance analysis is provided, comparing the attenuation achievable with these algorithms. Then, an analysis and comparison of the same algorithms in terms of robustness are carried out. The approach adopted herein allows identifying the algorithm capable of providing the highest degree of robustness and explains the solutions that can be employed to resolve some of the issues concerning the practical implementation of this control technique. The analytical and numerical results presented in the paper have been validated experimentally by means of a proper test setup.

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Comparison of Active and Hybrid Vibration Confinement With Conventional Active Vibration Control

Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise ◽

10.1115/detc99/vib-8303 ◽

1999 ◽

Author(s):

Lawrence R. Corr ◽

William W. Clark

Keyword(s):

Vibration Control ◽

Control Method ◽

Numerical Study ◽

Active Vibration Control ◽

Piezoelectric Actuators ◽

Control Technique ◽

Flexible Beam ◽

Velocity Feedback ◽

Active Vibration ◽

Piezoelectric Actuators And Sensors

Abstract This paper presents a numerical study in which active and hybrid vibration confinement is compared with a conventional active vibration control method. Vibration confinement is a vibration control technique that is based on reshaping structural modes to produce “quiet areas” in a structure as opposed to adding damping as in conventional active or passive methods. In this paper, active and hybrid confinement is achieved in a flexible beam with two pairs of piezoelectric actuators and sensors and with two vibration absorbers. For comparison purposes, active damping is achieved also with two pairs of piezoelectric actuators and sensors using direct velocity feedback. The results show that both approaches are effective in controlling vibrations in the targeted area of the beam, with direct velocity feedback being slightly more cost effective in terms of required power. When combined with passive confinement, however, each method is improved with a significant reduction in required power.

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A Novel Semi-Active Multi-Modal Vibration Control Law for a Piezoceramic Actuator

Journal of Vibration and Acoustics ◽

10.1115/1.1547682 ◽

2003 ◽

Vol 125 (2) ◽

pp. 214-222 ◽

Cited By ~ 81

Author(s):

Lawrence R. Corr ◽

William W. Clark

Keyword(s):

Vibration Control ◽

Flexible Structures ◽

Experimental Tests ◽

Control Technique ◽

Practical Implementation ◽

Control Law ◽

Energy Rate ◽

Piezoceramic Actuator ◽

Control Scheme ◽

Modal Vibration

In this paper, a novel semi-active energy rate multi-modal vibration control technique is developed for a piezoceramic actuator coupled to a switching resistor/inductor shunt. The technique works by briefly connecting a resistor/inductor shunt to a piezoceramic actuator in order to apply the necessary signed charge to allow energy dissipation. The switch timing is determined by a control scheme that observes the rate of energy change in controlled modes. The control scheme is developed in the paper, and is simplified to enable practical implementation. This new multi-modal control law is applied to both a simple numerical and an experimental test structure. The results from the numerical and experimental tests show that the energy rate multi-mode control law is able to dissipate energy from one, two and three modes of the flexible structures using a single actuator.

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Development in Vibration Control Technique Using Tuned Mass Dampers

International Journal of Mechanical and Production Engineering Research and Development ◽

10.24247/ijmperdjun2020177 ◽

2020 ◽

Vol 10 (3) ◽

pp. 1913-1922

Author(s):

Charanjeet Singh Tumrate et al., Charanjeet Singh Tumrate et al., ◽

Keyword(s):

Vibration Control ◽

Control Technique ◽

Tuned Mass Dampers

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Guidelines for the layout and tuning of piezoelectric resonant shunt with negative capacitances in terms of dynamic compliance, mobility and accelerance

Journal of Intelligent Material Systems and Structures ◽

10.1177/1045389x20986991 ◽

2021 ◽

pp. 1045389X2098699

Author(s):

Marta Berardengo ◽

Stefano Manzoni ◽

Olivier Thomas ◽

Marcello Vanali

Keyword(s):

Dynamic Compliance ◽

Practical Implementation ◽

Experimental Campaign ◽

Vibration Attenuation ◽

Circuit Components ◽

Resonant Shunt ◽

Theoretical Results ◽

Shunt Impedance ◽

Piezoelectric Shunt ◽

Shunt Circuit

This paper addresses the vibration attenuation provided by the resonant piezoelectric shunt enhanced by means of negative capacitances. The shunt impedance is composed by one or two negative capacitances, a resistance and an inductance. It is shown that closed analytical formulations, common to all the possible connections of the negative capacitances, can be derived for the tuning of the circuit components and for the prediction of the attenuation in terms of dynamic compliance, mobility and accelerance. The paper also compares the attenuation performance provided by the two possible layouts for the electrical link between the resistance and the inductance, that are series and parallel. Furthermore, this work evidences which shunt configurations offer advantages in terms of practical implementation and the benefits provided by the use of negative capacitances in the shunt circuit. In the last part of the paper, guidelines for the use of resonant shunt are given to the reader and, finally, the theoretical results are validated by means of an experimental campaign showing that it is possible to cancel the resonance on which the resonant shunt is targeted.

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Hybrid Active Vibration Control of Rotorbearing Systems Using Piezoelectric Actuators

Journal of Vibration and Acoustics ◽

10.1115/1.2930303 ◽

1993 ◽

Vol 115 (1) ◽

pp. 111-119 ◽

Cited By ~ 42

Author(s):

A. B. Palazzolo ◽

S. Jagannathan ◽

A. F. Kascak ◽

G. T. Montague ◽

L. J. Kiraly

Keyword(s):

Vibration Control ◽

Search Algorithm ◽

Active Vibration Control ◽

Piezoelectric Actuators ◽

Operating Speed ◽

Speed Range ◽

Active Vibration ◽

Linear Fit ◽

Hybrid Interface ◽

Grid Search Algorithm

The vibrations of a flexible rotor are controlled using piezoelectric actuators. The controller includes active analog components and a hybrid interface with a digital computer. The computer utilizes a grid search algorithm to select feedback gains that minimize a vibration norm at a specific operating speed. These gains are then downloaded as active stiffnesses and dampings with a linear fit throughout the operating speed range to obtain a very effective vibration control.

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Finite element formulation of laminated plate with flexible piezoelectric actuators and vibration control analysis

10.1117/12.880018 ◽

2011 ◽

Cited By ~ 1

Author(s):

Thamilselvan Gopinath ◽

Samikannu Raja ◽

Tadashige Ikeda

Keyword(s):

Finite Element ◽

Vibration Control ◽

Piezoelectric Actuators ◽

Finite Element Formulation ◽

Element Formulation ◽

Control Analysis ◽

Laminated Plate

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Vibration control using a beam-like adaptive tuned vibration absorber with an actuator-incorporated mass element

Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science ◽

10.1243/09544062jmes1301 ◽

2009 ◽

Vol 223 (7) ◽

pp. 1555-1567 ◽

Cited By ~ 10

Author(s):

P Bonello ◽

K H Groves

Keyword(s):

Vibration Control ◽

Effective Mass ◽

Tuning Range ◽

Excitation Frequency ◽

Vibration Absorber ◽

Time Varying ◽

Additional Advantage ◽

Expected Performance ◽

Vibration Attenuation ◽

Tuned Vibration Absorber

An adaptive tuned vibration absorber (ATVA) can retune itself in response to a time-varying excitation frequency, enabling effective vibration attenuation over a range of frequencies. For a wide tuning range the ATVA is best realized through the use of a beam-like structure whose mechanical properties can be adapted through servo-actuation. This is readily achieved either by repositioning the beam supports (‘moveable-supports ATVA’) or by repositioning attached masses (‘moveable-masses ATVA’), with the former design being more commonly used, despite its relative constructional complexity. No research to date has addressed the fact that the effective mass of such devices varies as they are retuned, thereby causing a variation in their attenuation capacity. This article derives both the tuned frequency and effective mass characteristics of such ATVAs through a unified non-dimensional modal-based analysis that enables the designer to quantify the expected performance for any given application. The analysis reveals that the moveable-masses concept offers significantly superior vibration attenuation. Motivated by this analysis, a novel ATVA with actuator-incorporated moveable masses is proposed, which has the additional advantage of constructional simplicity. Experimental results from a demonstrator correlate reasonably well with the theory, and vibration control tests with logic-based feedback control demonstrate the efficacy of the device.

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