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Article

A Novel Narrowband Active Noise Control System with Online Secondary Path Modeling Based on Factor Decomposition and Application in Open Space

Key Laboratory for Optoelectronic Technology and System of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
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Appl. Sci. 2022, 12(2), 926; https://doi.org/10.3390/app12020926
Submission received: 20 December 2021 / Revised: 14 January 2022 / Accepted: 14 January 2022 / Published: 17 January 2022
(This article belongs to the Special Issue Noise Pollution and Environmental Sustainability)

Abstract

Due to the complexity of the coupling between the active noise control (ANC) controller and secondary path estimator, performance analysis of the system becomes particularly difficult. At present, the performance analysis of the system is often based on the fact that the secondary path tends to be stable, and the secondary path fitting error is minimal. However, in the early stage of system operation, or when the secondary path changes suddenly, the secondary path fitting error is significant, which easily causes divergence of the system control. It is still unable to guarantee the step-size bounds of convergence stability. Therefore, factor decomposition was used to analyze the mean weight behavior in this study. This strategy emphasizes the influence of secondary path modeling (SPM) error. The mean square behavior was evaluated using the energy conservation relationship. According to the established theoretical model, the convergence condition of the system was derived and the upper bound of step size suitable for all stages of system operation was obtained. The simulation and experimental results show that the ANC system is quite stable and robust under extreme conditions and has an obvious noise reduction effect in a specific range of open space, which can reach about 20 dB noise reduction.
Keywords: active noise control; factor decomposition; online secondary path modeling; stability condition; quiet space active noise control; factor decomposition; online secondary path modeling; stability condition; quiet space

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MDPI and ACS Style

Li, Y.; Luo, Z.; Xu, Q.; Zheng, W. A Novel Narrowband Active Noise Control System with Online Secondary Path Modeling Based on Factor Decomposition and Application in Open Space. Appl. Sci. 2022, 12, 926. https://doi.org/10.3390/app12020926

AMA Style

Li Y, Luo Z, Xu Q, Zheng W. A Novel Narrowband Active Noise Control System with Online Secondary Path Modeling Based on Factor Decomposition and Application in Open Space. Applied Sciences. 2022; 12(2):926. https://doi.org/10.3390/app12020926

Chicago/Turabian Style

Li, Yinsheng, Zhengqiang Luo, Qing Xu, and Wei Zheng. 2022. "A Novel Narrowband Active Noise Control System with Online Secondary Path Modeling Based on Factor Decomposition and Application in Open Space" Applied Sciences 12, no. 2: 926. https://doi.org/10.3390/app12020926

APA Style

Li, Y., Luo, Z., Xu, Q., & Zheng, W. (2022). A Novel Narrowband Active Noise Control System with Online Secondary Path Modeling Based on Factor Decomposition and Application in Open Space. Applied Sciences, 12(2), 926. https://doi.org/10.3390/app12020926

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