Active Noise Cancellation Health Management Method

IF 1.3 4区 医学 Q3 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Noise & Health Pub Date : 2023-05-25 DOI:10.3397/nc_2023_01_1039
Frank C. Valeri, Simona De Cesaris, Christoph Kolb, Rolf Schirmacher
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Abstract

Ensuring the robustness of vehicle systems and features is a key aspect of customer satisfaction and therefore is of vital importance to Original Equipment Manufacturers (OEMs). Both initial quality and quality over the life of the vehicle are important aspects to customers. Therefore, some features and systems require an active approach at monitoring system health. The intent of Active Noise Cancellation (ANC) systems in vehicles is to increase the customer's perception of vehicle refinement and brand quality. Due to the nature of ANC system operation, it is critical that the system does not go divergent resulting in unwanted noise being heard by the customer. So, a method to monitor the ANC system operation and performance is required to ensure robustness. Despite tuning ANC systems considering expected vehicle build tolerances, vehicle aging and customer specific use cases, an ANC system can occasionally still go divergent in the field. An ANC audit procedure is included in the system software to verify functionality and performance at End of Line (EOL), repair centers or verified though an Over the Air (OTA) procedure. This type of procedure can verify the vehicle's acoustic cavity response and update ANC tuning parameters to account for any changes. This paper will show vehicle examples of why an ANC health monitoring system is needed and how we developed, implemented, and utilized an ANC audit procedure to improve ANC system robustness and customer satisfaction.
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主动噪声消除健康管理方法
确保车辆系统和功能的稳健性是客户满意度的一个关键方面,因此对原始设备制造商(oem)至关重要。对客户来说,车辆的初始质量和整个使用寿命的质量都是重要的方面。因此,一些功能和系统需要主动监控系统运行状况的方法。车辆主动噪声消除(ANC)系统的目的是提高客户对车辆精致和品牌质量的感知。由于ANC系统运行的性质,系统不会发散,从而导致用户听到不必要的噪音,这一点至关重要。因此,需要一种监控ANC系统运行和性能的方法来确保鲁棒性。尽管根据预期的车辆制造公差、车辆老化和客户特定用例对ANC系统进行了调整,但ANC系统偶尔仍会在该领域出现分歧。系统软件中包含ANC审计程序,以验证线端(EOL)、维修中心的功能和性能,或通过空中(OTA)程序进行验证。这类程序可以验证车辆的声腔响应,并根据任何变化更新ANC调谐参数。本文将展示一些车辆示例,说明为什么需要ANC健康监测系统,以及我们如何开发、实施和利用ANC审计程序来提高ANC系统的稳健性和客户满意度。
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
Noise & Health
Noise & Health AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
CiteScore
2.10
自引率
14.30%
发文量
27
审稿时长
6-12 weeks
期刊介绍: Noise and Health is the only International Journal devoted to research on all aspects of noise and its effects on human health. An inter-disciplinary journal for all professions concerned with auditory and non-auditory effects of occupational, environmental, and leisure noise. It aims to provide a forum for presentation of novel research material on a broad range of topics associated with noise pollution, its control and its detrimental effects on hearing and health. It will cover issues from basic experimental science through clinical evaluation and management, technical aspects of noise reduction systems and solutions to environmental issues relating to social and public health policy.
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