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An intuitive approach for feedback active noise controller design

机译:反馈有源噪声控制器设计的直观方法

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摘要

A simple and effective approach for designing feedback controllers is proposed based on analyzing the waterbed effect of the feedback active noise control system. By flattening the noise amplification due to the waterbed effect in the whole disturbance amplification frequency band intuitively, the designed feedback controller can suppress the disturbance amplification to almost the minimum value for the given disturbance attenuation and ensure good stability of the system. Being compared with the existing approaches, the main advantage of the proposed approach is its simplicity for implementation, which avoids complicated weight function selections and the numerical optimizations of the existing approaches. Detailed design procedures and implementation of the digital controller are illustrated, simulation and experiment results are provided to show the effectiveness of the proposed approach.
机译:在分析反馈有源噪声控制系统的水床效应的基础上,提出了一种简单有效的反馈控制器设计方法。通过直观地将整个干扰放大频带中由于水床效应引起的噪声放大平坦化,设计的反馈控制器可以将干扰放大抑制到给定干扰衰减的几乎最小值,并确保系统的良好稳定性。与现有方法相比,该方法的主要优点是易于实现,避免了复杂的权函数选择和现有方法的数值优化。详细说明了数字控制器的设计程序和实现,并提供了仿真和实验结果,以证明该方法的有效性。

著录项

  • 来源
    《Applied Acoustics》 |2013年第1期|160-168|共9页
  • 作者单位

    Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China;

    Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China;

    Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    waterbed effect; feedback; active noise control; controller design;

    机译:水床效应;反馈;主动噪声控制;控制器设计;

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