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Realisation of nonreciprocal transmission and absorption using wave-based active noise control

Realisation of nonreciprocal transmission and absorption using wave-based active noise control
Realisation of nonreciprocal transmission and absorption using wave-based active noise control
Nonreciprocal acoustic devices typically break reciprocity by introducing nonlinearities or directional biasing. However, these devices are generally not fully adaptable and often use resonant cavities, which only exhibit nonreciprocal behaviour over a narrow bandwidth. Therefore, to overcome these challenges, this paper investigates how wave-based active control can be used to achieve broadband nonreciprocal behaviour in a one-dimensional environment. Wave-based controller architectures are described for both transmission and absorption control and, through simulation and experimental implementations, it is shown that they can achieve broadband nonreciprocal behaviour. Importantly, the direction of nonreciprocal behaviour can be straightforwardly reversed.
2691-1191
Tan, Joe
c8eccdaa-8e07-4f69-9dcc-c2cbd16c251d
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Daley, Stephen
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6
Tan, Joe
c8eccdaa-8e07-4f69-9dcc-c2cbd16c251d
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Daley, Stephen
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6

Tan, Joe, Cheer, Jordan and Daley, Stephen (2022) Realisation of nonreciprocal transmission and absorption using wave-based active noise control. JASA Express Letters, 2 (5). (doi:10.1121/10.0010454).

Record type: Article

Abstract

Nonreciprocal acoustic devices typically break reciprocity by introducing nonlinearities or directional biasing. However, these devices are generally not fully adaptable and often use resonant cavities, which only exhibit nonreciprocal behaviour over a narrow bandwidth. Therefore, to overcome these challenges, this paper investigates how wave-based active control can be used to achieve broadband nonreciprocal behaviour in a one-dimensional environment. Wave-based controller architectures are described for both transmission and absorption control and, through simulation and experimental implementations, it is shown that they can achieve broadband nonreciprocal behaviour. Importantly, the direction of nonreciprocal behaviour can be straightforwardly reversed.

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Accepted/In Press date: 19 April 2022
Published date: 10 May 2022

Identifiers

Local EPrints ID: 457522
URI: http://eprints.soton.ac.uk/id/eprint/457522
ISSN: 2691-1191
PURE UUID: d8d4b4b4-0276-4ddc-9474-06c294161306
ORCID for Jordan Cheer: ORCID iD orcid.org/0000-0002-0552-5506

Catalogue record

Date deposited: 09 Jun 2022 17:35
Last modified: 10 Jun 2022 01:40

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Contributors

Author: Joe Tan
Author: Jordan Cheer ORCID iD
Author: Stephen Daley

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