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Neural fixed-parameter active noise controller for variable frequency tonal noise

机译:用于频率音调噪声的神经固定参数有源噪声控制器

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摘要

Sound emitted by audible warning devices for emergency vehicles usually exceeds maximum admissible rates of noise in the aspect of occupational health and safety of the crew inside. Therefore, the idea of active noise control systems for emergency vehicles is an important issue. Most of active noise control systems for emergency vehicles developed till now are based on the concept of adaptive control. A major disadvantage of adaptive noise control methods is the lack of robustness for external disturbances. In this paper the concept of robust, fixed-parameter controller for variable frequency tonal noises is presented. The concept is based on a neural network performing a role of intelligent data base for notch filter coefficients.
机译:就内部人员的职业健康和安全而言,应急车辆的声音警告装置发出的声音通常超过最大允许的噪声率。因此,用于应急车辆的主动噪声控制系统的想法是重要的问题。迄今为止,大多数用于应急车辆的主动噪声控制系统都是基于自适应控制的概念。自适应噪声控制方法的主要缺点是缺乏对外部干扰的鲁棒性。在本文中,提出了用于可变频率音调噪声的鲁棒,固定参数控制器的概念。该概念基于神经网络,该神经网络充当陷波滤波器系数的智能数据库。

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