Development and experimental verification of a robust active noise control system for a diesel engine in submarines

被引：17
|
作者：
Sachau, D. [1 ]
Jukkert, S. [1 ]
Hoevelmann, N. [2 ]
机构：
[1] Helmut Schmidt Univ, Dept Mech Engn, D-22043 Hamburg, Germany
[2] ThyssenKrupp Marine Syst GmbH, D-24143 Kiel, Germany
来源：
JOURNAL OF SOUND AND VIBRATION | 2016年 / 375卷
基金：
美国国家航空航天局;
关键词：
EXHAUST SYSTEM; ACOUSTICAL IMPEDANCE; MEAN FLOW; BLACK BOX; MUFFLER; DUCTS; IMPLEMENTATION; CANCELLATION; ALGORITHM;
D O I：
10.1016/j.jsv.2016.04.016
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents the development and experimental validation of an ANC (active noise control)-system designed for a particular application in the exhaust line of a submarine. Thereby, tonal components of the exhaust noise in the frequency band from 75 Hz to 120 Hz are reduced by more than 30 dB. The ANC -system is based on the feedforward leaky FxLMS-algorithm. The observability of the sound pressure in standing wave field is ensured by using two error microphones. The noninvasive online plant identification method is used to increase the robustness of the controller. Online plant identification is extended by a time-varying convergence gain to improve the performance in the presence of slight error in the frequency of the reference signal. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1 / 18
页数：18
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