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Optimal multirate filtering with its application in estimation of the current of a transformer

  • Department of Automatic Control
  • Beijing Institute of Technology
  • Department of Electronics
  • Hebei Normal University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents a real time multirate multisensor state fusion estimation algorithm, where data from multisensors are fused without interpolation or augmentation of state or measurement dimensions, in which different sensors may have different sampling rates and may encounter missing measurements. The state model is formulated at the highest sampling rate, and the measurement equations for each sensor are known. The generated state estimation algorithm is optimal in the sense of linear minimum variance, and the simulation on the estimation of the current of a simple two-coil transformer illustrate its' feasibility and effectiveness.

Original languageEnglish
Title of host publicationProceedings of the 30th Chinese Control Conference, CCC 2011
PublisherIEEE Computer Society
Pages4977-4981
Number of pages5
ISBN (Print)9789881725592
Publication statusPublished - 2011

Publication series

NameProceedings of the 30th Chinese Control Conference, CCC 2011

Keywords

  • Data fusion
  • Kalman filter
  • Multirate
  • State estimation
  • Transformer

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