National Changhua University of Education Institutional Repository : Item 987654321/18326
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题名: Development of a Multiple Channel Active Noise Cancellation System for Car Cabins
作者: Chen, Hsiuhong;Wu, Jian-Da;Bai, Mingsian R.
贡献者: 車輛科技研究所
关键词: Acoustics;Active noise control;Car cabin;DSP
日期: 2003
上传时间: 2014-04-29T07:26:13Z
出版者: Inderscience Publishers
摘要: This paper describes the development of a multiple-channel active noise cancellation system for car cabins. Various active techniques are compared in terms of control structures and control algorithms. The filtered-x least-mean-square algorithm with synthetic reference and the linear quadratic gaussian control are employed for controller synthesis. Feedback, feedforward and hybrid configurations are adopted as the major control structures. The plant model is identified using a frequency-domain method. The controllers are implemented by using a digital signal processor. Experiments are carried out to evaluate the proposed techniques for attenuation of the internal field in a car cabin. The experimental results indicate that the hybrid control structure yields the best performance in terms of noise attenuation and convergence speed.
關聯: International Journal of Vehicle Design, 33(4): 422-439
显示于类别:[車輛科技研究所] 期刊論文

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