Dynamic variable step size LMS adaptation algorithms – Application to adaptive feedforward noise attenuation
2024 European Control Conference (ECC)(2024)
摘要
The paper explores in detail the use of dynamic adaptation gain/step size
(DAG) for improving the adaptation transient performance of variable step-size
LMS (VS-LMS) adaptation algorithms. A generic form for the implementation of
the DAG within the VS-LMS algorithms is provided. Criteria for the selection of
the coefficients of the DAG filter which is required to be a strictly positive
real transfer operator are given. The potential of the VS-LMS adaptation
algorithms using a DAG is then illustrated by experimental results obtained on
a relevant adaptive active noise attenuation system.
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关键词
Step Size,Adaptive Algorithm,Dynamic Adaptation,Least Mean Square,Variable Step Size,Adaptive Feedforward,Transfer Operator,Adaptive Noise,Control System,Frequency Range,Signal Processing,Active Control,Prediction Error,Transfer Function,Adaptive Control,Automatic Control,Asymptotically Stable,Stability Issues,Gain Values,Noise Suppression,Adaptive Gain,Field Of Signal Processing,Poles And Zeros,Adaptive Control System,Phase Distortion,Adaptive Filter,Noise Control,Estimated Parameter Vector,Conjugate Gradient,Stability Of System
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