Tracking Voltage Flicker Envelope Using Cumalant-Based RLS Algorithm with Variable Forgetting Factor

The cumalant-based RLS algorithm with variable forgetting factor is introduced in this paper as effective approach for tracking the voltage flicker envelope. The improved RLS algorithm uses the fourth-order cumulant-based mean-squared-error (MSE) criterion in place of correlation-based MSE criterion...

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Veröffentlicht in:Applied Mechanics and Materials Jg. 281; S. 568 - 572
Hauptverfasser: Chen, Han, Chen, Xiao Dong, Liu, Miao, Jin, Xiao Ming, Qu, Zu Yi, Ma, Qian, Li, Da Lu
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Zurich Trans Tech Publications Ltd 01.01.2013
Schlagworte:
Voltage Flicker Envelope
Variable Forgetting Factor
Gaussian Noise
RLS Algorithm
Higher-Order Cumulant
ISBN:9783037855928, 3037855924
ISSN:1660-9336, 1662-7482, 1662-7482
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Zusammenfassung:The cumalant-based RLS algorithm with variable forgetting factor is introduced in this paper as effective approach for tracking the voltage flicker envelope. The improved RLS algorithm uses the fourth-order cumulant-based mean-squared-error (MSE) criterion in place of correlation-based MSE criterion, in order to suppress the Gaussian noise. For tracking nonstationary voltage flicker waveform, variable forgetting factor (VFF) can be applied to adjust the tracking performance and convergence performance of algorithm. Two cases of flicker with constant amplitude and frequency and varying amplitude and frequency are used to verify the performance of algorithm.
Bibliographie:Selected, peer reviewed papers from the 2nd International Conference on Mechanical Engineering, Materials and Energy (ICMEME 2012), October 26-27, 2012, Dalian, China
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ISBN:9783037855928
3037855924
ISSN:1660-9336
1662-7482
1662-7482
DOI:10.4028/www.scientific.net/AMM.281.568