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Active noise control by means of high frequency injection in electric motors

Skoulaxinos, Stefanos; Wheeler, Pat; Vakil, Gaurang

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Stefanos Skoulaxinos


Machine acoustics is an important area of research impacting the quality and comfort of human life. With increased levels of electrification and the wider use of electric motors, the contribution of motor drives towards quieter acoustic systems becomes increasingly important. This paper presents a novel acoustic improvement method involving the use of acoustic waves generated from High Frequency Injection to perform Active Noise Control. Although High Frequency Injection has been used widely in the domain of sensorless motor control, its acoustic generation process has been so far perceived as a negative by-product. This paper presents the analysis and experimental results from the application of the proposed method to the Helicopter Electro-Mechanical Actuation System. Considering the extensive use of motor drives in a number of industries, the proposed practice of High Frequency Injection Active Noise Control can have a significant impact to future applications.

Journal Article Type Article
Acceptance Date Apr 16, 2024
Online Publication Date Apr 29, 2024
Deposit Date May 2, 2024
Publicly Available Date May 2, 2024
Journal IET Electric Power Applications
Print ISSN 1751-8660
Electronic ISSN 1751-8679
Publisher Institution of Engineering and Technology (IET)
Peer Reviewed Peer Reviewed
Keywords aerospace components, AC motors, acoustic noise
Public URL
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