| Presentation | 2004/1/9 Analysis of Linear and Nonlinear Filtered-X LMS Algorithms for Active Control of Multitonal Noise Yoichi HINAMOTO, Hideaki SAKAI, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In the presence of tonal noise generated by periodic noise source like rotating machines, the filtered-X LMS algorithm is used for active control of such noises. However, the algorithm is derived under the assumption of slow adaptation limit and the exact analysis of the algorithm is restricted to the case of one real sinusoid in the literature. In this paper for the general case of arbitrary number of sources, the characteristic polynomial of the equivalent linear system describing the filtered-X LMS algorithm is derived and a method for calculating the stability limit is proposed. Also, a new nonlinear algorithm free from the above assumption is proposed. Simulation results show that in the early stage of adaptation the nonlinear algorithm gives faster decay of errors. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Filtered-X LMS Algorithm / Active Noise Control / Convergence Analysis / Secondary Path / Multitonal Noise / Nonlinear |
| Paper # | DSP2003-192 |
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| Conference Information | |
| Committee | DSP |
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| Conference Date | 2004/1/9(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Digital Signal Processing (DSP) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of Linear and Nonlinear Filtered-X LMS Algorithms for Active Control of Multitonal Noise |
| Sub Title (in English) | |
| Keyword(1) | Filtered-X LMS Algorithm |
| Keyword(2) | Active Noise Control |
| Keyword(3) | Convergence Analysis |
| Keyword(4) | Secondary Path |
| Keyword(5) | Multitonal Noise |
| Keyword(6) | Nonlinear |
| 1st Author's Name | Yoichi HINAMOTO |
| 1st Author's Affiliation | Department of Systems Science, Graduate School of Informatics, Kyoto University() |
| 2nd Author's Name | Hideaki SAKAI |
| 2nd Author's Affiliation | Department of Systems Science, Graduate School of Informatics, Kyoto University |
| Date | 2004/1/9 |
| Paper # | DSP2003-192 |
| Volume (vol) | vol.103 |
| Number (no) | 547 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |