Operational transfer path analysis based on neural network

Park, Uyeup; Kang, Yeon June

doi:10.1016/j.jsv.2024.118364

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2024

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Cited by 3 publications

References 33 publications

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A novel method for vibration signal transmission and attenuation analysis in complex planetary gearboxes

Wei,

Cao,

Shi

et al. 2024

Sci. China Technol. Sci.

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A novel method for vibration signal transmission and attenuation analysis in complex planetary gearboxes

Wei,

Cao,

Shi

et al. 2024

Sci. China Technol. Sci.

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Statistically Data-Driven Operational Transfer Path Analysis

Song,

Cheng,

Yang

et al. 2024

Preprint

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Sound source identification of a cylindrical shell by merging near-field acoustic holography with operational transfer path analysis

Wang,

Zhang,

Chen

2024

J. vibroeng.

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The purpose of this paper is to propose a new sound source identification method to identify and separate the sound sources generated by the cross-coupled vibration sources inside the cylindrical shell structure. Near-field acoustic holography (NAH) has fundamentally changed sound source identification in that it has enabled the identification of sound sources and the visualization of the 3-D sound field. Nevertheless, the NAH technique is still unable to identify the vibration sources inside a structure and also finds it difficult to identify the contribution of a single sound source to sound fields due to cross-coupling among the vibration sources. To overcome these limitations, a modified operational transfer path analysis (OPA) technique has also been proposed, which can address the cross-coupling between vibration sources. In practice, however, a single identification method often appears to be inadequate. Thus, in this paper, a novel method of merging the NAH technique and the modified OPA technique has been adopted and used to identify the structure-borne sound source of a cylindrical shell. Finally, the adaptability of the proposed method has been demonstrated by numerical simulations and experimentally and it has been shown that the novel method can not only compute the sound field distribution of a cylindrical surface, but also reconstruct other 3-D field distributions, and moreover, can locate a sound source and predict the sound field.

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Operational transfer path analysis based on neural network

Cited by 3 publications

References 33 publications

A novel method for vibration signal transmission and attenuation analysis in complex planetary gearboxes

A novel method for vibration signal transmission and attenuation analysis in complex planetary gearboxes

Statistically Data-Driven Operational Transfer Path Analysis

Sound source identification of a cylindrical shell by merging near-field acoustic holography with operational transfer path analysis

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