Publication:
Plant identification via adaptive combination of transversal filters

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2006-09
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Elsevier
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Abstract
For least mean-square (LMS) algorithm applications, it is important to improve the speed of convergence vs the residual error trade-off imposed by the selection of a certain value for the step size. In this paper, we propose to use a mixture approach, adaptively combining two independent LMS filters with large and small step sizes to obtain fast convergence with low misadjustment during stationary periods. Some plant identification simulation examples show the effectiveness of our method when compared to previous variable step size approaches. This combination approach can be straightforwardly extended to other kinds of filters, as it is illustrated with a convex combination of recursive least-squares (RLS) filters.
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Least mean square (LMS), Adaptive algorithms, Convex combination, Plant identification
Bibliographic citation
Signal Processing, Vol. 86, No 9, pp. 2430-2438, Sep. 2006