远程FxLMS算法在远程位置的声音主动控制

Iman Tabatabaei Ardekani, W. Abdulla, S. Rehman
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引用次数: 1

摘要

可用的自适应控制算法只能在错误麦克风的位置创建一个静默点。在这种情况下,误差麦克风占据了安静点周围建立的一部分安静区,导致安静区空间的无效利用。本文提出了一种新的自适应控制算法,用于远程位置而不是错误麦克风位置的声音主动控制。建立了FxLMS自适应算法在数字控制领域的性能与声学领域主动噪声控制机制的性能之间的联系。首先推导了能使远离误差传声器位置的声压最小的最优控制器的传递函数。为了实现所提出的控制器,然后开发了一种自适应算法,称为Remote FxLMS。不同的计算机仿真表明了该算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Remote FxLMS algorithm for active control of sound in remote locations
Available adaptive control algorithms can only create a silent point at the locations of an error microphone. In this case, the error microphone occupies a part of the zone of quiet established around the silent point, resulting in an ineffective use of space in the zone of quiet. This paper develops a novel adaptive control algorithm for active control of sound in remote locations rather than the locations of error microphones. It establishes a link between the performance of the FxLMS adaptive algorithm in the digital control domain and the performance of the active noise control mechanism in the acoustic domain. The transfer function of an optimal controller that can minimize the acoustic pressure in a location away from the error microphone is first derived. For the realization of the proposed controller, an adaptive algorithm, called Remote FxLMS is then developed. Different computer simulations are used to show the efficiency of the proposed algorithm.
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