Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/2357
標題: 使用正規化組合式演算法減少主動噪音控制系統中之干擾
Disturbance Reduction in Active Noise Control Systems Using Normalized Combinatorial Algorithm
作者: 陳盈助
Chen, Ying-Chu
關鍵字: active noise control (ANC);主動噪音控制;disturbance;normalized combinatorial algorithm;干擾;正規化組合式演算法
出版社: 機械工程學系所
引用: [1] Lueg, P., “Process of Silencing Sound Oscillations”, U.S. Patent, No.2043416, 1936. [2] Widrow, B. and Hoff, M. E., “Adaptive Switching Circuits”, IRE WESCON Conv. Rec, part 4, pp. 96-104, 1960. [3] Burgess, J. C., “Active Adaptive Sound Control in a Duct: A Computer Simulation”, J. Acoust. Soc. Am., Vol. 70, pp. 715-726, 1981. [4] Kuo, S. M. and Morgan, D. R., Active Noise Control Systems: Algorithms and DSP Implementations, 605 Third Avenue, New York, 10158-0012, 1996. [5] Elliott, S. J., Signal Processing for Active Noise Control, London, U.K.: Academic, 2001. [6] Liao, Ching-Wen and Lin, Jong-Yih, “New FIR filter-based adaptive algorithm incorporating with commutation error to improve active noise control performance”, Automatica, ScienceDirect, Vol. 43, pp. 325-331, 2007. [7] Kuo, S. M. and Ji, M., “Passband disturbance reduction in periodic active noise control systems”, IEEE Trans, Speech Audio Process., Vol. 4, No. 2, pp. 96-103, 1996. [8] Zhang, M., Lan, H. and Ser, W., “Cross-updated active noise control system with online secondary path modeling”, IEEE Trans, Speech Audio Process., Vol. 9, No. 5, pp. 598-602, 2001. [9] Sun, X and Kuo, S. M., “Active Narrowband Noise Control Systems Using Cascading Adaptive Filters”, IEEE Trans, Speech Audio Process., Vol. 15, No. 2, pp. 586-592, 2007. [10] 林瑋宸,受制於干擾之窄頻主動式噪音控制系統,國立中興大學機械工程研究所,碩士論文,2008。
摘要: 
在實際應用的主動噪音控制系統中,誤差麥克風所擷取到的干擾,會使控制器產生不準確的抗噪訊號,而降低系統的消音性能。本篇論文提出了正規化組合式演算法來解決干擾造成的問題,藉由組合一組適應性濾波器作為鑑別器,線上鑑別出第一路徑,以便估算出干擾之大小,進而將干擾從誤差麥克風的訊號中消除。為了能有較好的穩定性,控制器與鑑別器選擇了正規化收斂常數的設計,並利用收斂性分析訂出挑選收斂常數的準則。以此準則挑選出幾組收斂常數,由電腦模擬出應用這幾組收斂常數的主動噪音控制系統之消音效果,最後以實驗結果驗證應用此架構的主動噪音控制系統,能夠在有干擾的情況下保持良好的消音性能。
URI: http://hdl.handle.net/11455/2357
其他識別: U0005-2407200915272600
Appears in Collections:機械工程學系所

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