Applying Michelson-interferometer based optical fiber sensors for active control of road noise in a car

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2024-09-29 DOI:10.1016/j.apacoust.2024.110316

Chenguang Wang , Feng Li , Pengju Zhang , Xiaojun Qiu , Weikang Jiang , Sheng Wu , Pinxi Mo

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引用次数: 0

Abstract

Active noise control (ANC) technology is a promising solution for reducing road noise in cars, where the quality of reference signals is critical for improving the performance. In this paper, an optical fiber sensor based on Michelson interferometer is proposed to obtain the vibration reference signal for active control of road noise in a car. First, the principle of this optical fiber sensor is introduced, then the feasibility of using optical fiber sensor for active control of sound radiation from a panel of an enclosure is verified, where the spectrum, coherence and impulse response of the optical fiber sensor are reported and compared with that of an accelerometer. Finally, the optical fiber sensor is applied in a car for active control of road noise and the simulation results based on the measured data are presented. The research demonstrates the potential of using the proposed optical fiber sensor for active control of road noise in a car by discussing its advantages and weakness.

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应用基于迈克尔逊干涉仪的光纤传感器主动控制汽车路噪

主动噪声控制（ANC）技术是降低汽车道路噪声的一种有前途的解决方案，而参考信号的质量对于提高性能至关重要。本文提出了一种基于迈克尔逊干涉仪的光纤传感器，用于获取振动参考信号，实现对汽车路噪的主动控制。首先介绍了这种光纤传感器的原理，然后验证了使用光纤传感器对来自外壳面板的声音辐射进行主动控制的可行性，报告了光纤传感器的频谱、相干性和脉冲响应，并与加速度计的频谱、相干性和脉冲响应进行了比较。最后，将光纤传感器应用于汽车，对道路噪声进行主动控制，并展示了基于测量数据的模拟结果。该研究通过讨论所提出的光纤传感器的优点和缺点，展示了将其用于汽车路噪主动控制的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.