The effect of tracking resolution on the stability of a headtracker equipped active headrest noise control system
The effect of tracking resolution on the stability of a headtracker equipped active headrest noise control system
Previous research has shown that by utilising headtracking to update the head position and the corresponding plant responses in an active noise cancelling headrest application improves the performance of the controller. Although it is desirable for the headtracker to track the user’s head as accurately as possible, there is a trade-off to be paid in the complexity of the calibration process when utilising a large number of plant responses. This paper presents an investigation into the effect of tracking resolution for a local active noise control system operating in the presence of head movements. It is shown, through numerical simulations, that increasing the tracking resolution increases the upper frequency of stable control performance. It is also shown that the tracking resolution is more sensitive for some geometrical regions than others, which may inform the design of an efficient headtracking calibration procedure.
International Institute of Acoustics and Vibration
Lai, Chung Kwan
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Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Shi, Chuang
c46f72bd-54c7-45ee-ac5d-285691fccf81
Lai, Chung Kwan
564519dc-b054-427f-9256-a454f796b1a9
Cheer, Jordan
8e452f50-4c7d-4d4e-913a-34015e99b9dc
Shi, Chuang
c46f72bd-54c7-45ee-ac5d-285691fccf81
Lai, Chung Kwan, Cheer, Jordan and Shi, Chuang
(2024)
The effect of tracking resolution on the stability of a headtracker equipped active headrest noise control system.
In 30th International Congress on Sound & Vibration.
International Institute of Acoustics and Vibration.
7 pp
.
(In Press)
Record type:
Conference or Workshop Item
(Paper)
Abstract
Previous research has shown that by utilising headtracking to update the head position and the corresponding plant responses in an active noise cancelling headrest application improves the performance of the controller. Although it is desirable for the headtracker to track the user’s head as accurately as possible, there is a trade-off to be paid in the complexity of the calibration process when utilising a large number of plant responses. This paper presents an investigation into the effect of tracking resolution for a local active noise control system operating in the presence of head movements. It is shown, through numerical simulations, that increasing the tracking resolution increases the upper frequency of stable control performance. It is also shown that the tracking resolution is more sensitive for some geometrical regions than others, which may inform the design of an efficient headtracking calibration procedure.
Text
effectTrackingResHeadtrackingLocalControl
- Accepted Manuscript
More information
Accepted/In Press date: 25 March 2024
Venue - Dates:
30th International Congress on Sound and Vibration, , Amsterdam, 2025-06-08 - 2025-06-11
Identifiers
Local EPrints ID: 490672
URI: http://eprints.soton.ac.uk/id/eprint/490672
PURE UUID: b17de41e-2f76-420b-8d1b-2a6b9127bbd4
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Date deposited: 03 Jun 2024 16:39
Last modified: 04 Jun 2024 02:07
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Contributors
Author:
Chung Kwan Lai
Author:
Chuang Shi
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