PSO-SCG-FxRLS: an active control algorithm for improved broadband noise reduction in sparse sound fields

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-07-02 DOI:10.1016/j.apacoust.2025.110912

Jianfeng Luo , Kean Chen , Jiyang Zhang , Hao Li , Yidong Liu , Fenghua Tian , Lei Wang

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引用次数: 0

Abstract

The performance of active noise control (ANC) systems is significantly influenced by the characteristics of the path transfer function. Consequently, the effective utilization of the sparsity inherent in the sound field transfer path response to improve the noise reduction performance of the system has become an important research topic in the current ANC field. This study proposes a sparse-aware conjugate gradient-based filtered-x recursive least squares (SCG-FxRLS) algorithm, for which the convergence is theoretically demonstrated. Additionally, the influence of sparse constraint hyperparameters on the algorithm’s performance is thoroughly analyzed. Subsequently, an online particle swarm optimization (PSO) method suitable for ANC systems is introduced, which is combined with the proposed algorithm to form the PSO-SCG-FxRLS algorithm. This integration enhances the algorithm’s capability to adapt effectively to the sound field characteristics within complex environments. Computational complexity analysis indicates that this algorithm exhibits lower complexity than the traditional FxRLS algorithm, thereby satisfying the computational efficiency requirements of the ANC system. Finally, simulations and experiments were used to verify the effectiveness of the proposed algorithm in various sound field environments.

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PSO-SCG-FxRLS：一种改进稀疏声场宽带降噪的主动控制算法

路径传递函数的特性对主动噪声控制系统的性能有很大影响。因此，如何有效地利用声场传递路径响应固有的稀疏性来提高系统的降噪性能，已成为当前ANC领域的一个重要研究课题。提出了一种基于稀疏感知共轭梯度的滤波-x递归最小二乘（SCG-FxRLS）算法，并从理论上证明了该算法的收敛性。此外，还深入分析了稀疏约束超参数对算法性能的影响。在此基础上，提出了一种适用于ANC系统的在线粒子群优化（PSO）方法，并将其与该算法相结合，形成了PSO- scg - fxrls算法。这种集成增强了算法有效适应复杂环境中声场特征的能力。计算复杂度分析表明，该算法比传统的FxRLS算法具有更低的复杂度，满足了ANC系统的计算效率要求。最后，通过仿真和实验验证了该算法在不同声场环境下的有效性。

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.