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Augmented Complex Least Mean Square/Fourth Algorithm for Adaptive Frequency Estimation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

In order to solve frequency estimation of three-phase unbalanced power system, we propose an augmented complex least mean square/fourth (ACLMS/F) algorithm. The least mean square/fourth (LMS/F) algorithm combines advantages of least mean square (LMS) algorithm and least mean fourth (LMF) algorithm, which has superior performance in noisy environments. The Clarke's αβ transformation was used to get the information of three-phase voltage signal simultaneously, so the proposed algorithm will have better robustness. To improve the performance in unbalanced power systems, the widely linear modelling is introduced into the traditional complex-valued adaptive algorithm. The performance of ACLMS/F is texted in some situations usually appearing in the power system.

Original languageEnglish
Title of host publicationProceedings of the 16th IEEE Conference on Industrial Electronics and Applications, ICIEA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1221-1225
Number of pages5
ISBN (Electronic)9781665422482
DOIs
StatePublished - Aug 1 2021
Externally publishedYes
Event16th IEEE Conference on Industrial Electronics and Applications, ICIEA 2021 - Chengdu, China
Duration: Aug 1 2021Aug 4 2021

Publication series

NameProceedings of the 16th IEEE Conference on Industrial Electronics and Applications, ICIEA 2021

Conference

Conference16th IEEE Conference on Industrial Electronics and Applications, ICIEA 2021
Country/TerritoryChina
CityChengdu
Period08/1/2108/4/21

Funding

ACKNOWLEDGMENT This work was partially supported by National Science Foundation of P.R. China (Grant: 61871461, 61571374, 61433011), Sichuan Science and Technology Program (Grant: 19YYJC0681), and National Rail Transportation Electrification and Automation Engineering Technology Research Center (Grant: NEEC-2019-A02).

Keywords

  • augmented complex least mean square/fourth (ACLMS/F)
  • frequency estimation
  • unbalanced three-phase voltage
  • widely linear modelling

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