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https://hdl.handle.net/2440/2855
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Type: | Journal article |
Title: | A study of time-domain FXLMS algorithms with control output constraint |
Author: | Qiu, X. Hansen, C. |
Citation: | Journal of the Acoustical Society of America, 2001; 109(6):2815-2823 |
Publisher: | Amer Inst Physics |
Issue Date: | 2001 |
ISSN: | 0001-4966 1520-8524 |
Statement of Responsibility: | Xiaojun Qiu and Colin H. Hansen |
Abstract: | A single input, single output active noise control system using the time-domain Filtered-X LMS algorithm with output constraint is investigated. The constraint on the output of the control filter is applied by three different methods: the leakage algorithm based on the transformation method using a penalty function; the re-scaling algorithm based on the active set method; and the simple practical (clipping) algorithm which just clips the output if a constraint is encountered. A comparison of the three algorithms shows that the re-scaling algorithm can usually work successfully under the constraint, while the leakage algorithm usually needs a large leakage coefficient to satisfy the constraint with a resulting performance loss. The clipping algorithm has potential problems both with the stability and convergence speed. |
Description: | © 2001 Acoustical Society of America. |
DOI: | 10.1121/1.1367247 |
Published version: | http://dx.doi.org/10.1121/1.1367247 |
Appears in Collections: | Aurora harvest 6 Environment Institute publications Mechanical Engineering publications |
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