Identifying the nonlinear mechanical behaviour of micro-speakers from their quasi-linear electrical response

Zilletti, Michele; Marker, Arthur; Elliott, Stephen J.; Holland, Keith

doi:10.1016/j.ymssp.2016.10.018

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Laum Cnrs Umr 66131

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Cited by 2 publications

(1 citation statement)

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“…as suggested in [25] and later demonstrated in [26], the damping R ms can also vary with instantaneous velocity and/or displacement [27,28].…”

Section: Laum Cnrs Umr 6613mentioning

confidence: 72%

Modelling nonlinear viscoelastic behaviours of loudspeaker suspensions-like structures

Maillou

Lotton

Novák

et al. 2018

Journal of Sound and Vibration

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Mechanical properties of an electrodynamic loudspeaker are mainly determined by its suspensions (surround and spider) that behave nonlinearly and typically exhibit frequency dependent viscoelastic properties such as creep effect. The paper aims at characterizing the mechanical behaviour of electrodynamic loudspeaker suspensions at low frequencies using nonlinear identification techniques developed in recent years. A Generalized Hammerstein based model can take into account both frequency dependency and nonlinear properties. As shown in the paper, the model generalizes existing nonlinear or viscoelastic models commonly used for loudspeaker modelling. It is further experimentally shown that a possible input-dependent law may play a key role in suspension characterization. The archived file is not the final published version of the article B.

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“…as suggested in [25] and later demonstrated in [26], the damping R ms can also vary with instantaneous velocity and/or displacement [27,28].…”

Section: Laum Cnrs Umr 6613mentioning

confidence: 72%

Modelling nonlinear viscoelastic behaviours of loudspeaker suspensions-like structures

Maillou

Lotton

Novák

et al. 2018

Journal of Sound and Vibration

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Theoretical transient analysis of a hearing aid feedback canceller with a saturation type nonlinearity in the direct path

Costa

2017

Computers in Biology and Medicine

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Identifying the nonlinear mechanical behaviour of micro-speakers from their quasi-linear electrical response

Cited by 2 publications

References 12 publications

Modelling nonlinear viscoelastic behaviours of loudspeaker suspensions-like structures

Modelling nonlinear viscoelastic behaviours of loudspeaker suspensions-like structures

Theoretical transient analysis of a hearing aid feedback canceller with a saturation type nonlinearity in the direct path

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