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Multirate Multisensor Data Fusion Algorithm for State Estimation with Cross-Correlated Noises

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Knowledge Engineering and Management

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 214))

Abstract

This paper is concerned with the optimal state estimation problem under linear dynamic systems when the sampling rates of different sensors are different. The noises of different sensors are cross-correlated and coupled with the system noise of the previous step. By use of the projection theory and induction hypothesis repeatedly, a sequential fusion estimation algorithm is derived. The algorithm is proven to be optimal in the sense of Linear Minimum Mean Square Error(LMMSE). Finally, a numerical example is presented to illustrate the effectiveness of the proposed algorithm.

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Acknowledgments

The corresponding author of this article is Liping Yan, whose work was supported by the NSFC under grants 61004139 and 91120003, the Scientific research base support, and the outstanding youth foundation of Beijing Institute of Technology. The work of Yuanqing Xia and Mengyin Fu was supported by the NSFC under grants 60974011 and 60904086, respectively. The work of Bo Xiao was supported by Beijing Natural Science Foundation under Grant 4123102, and the innovation youth foundation of Beijing University of Posts and Telecommunications.

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Authors and Affiliations

  1. Key Laboratory of Intelligent Control and Decision of Complex Systems, School of Automation, Beijing Institute of Technology, 100081, Beijing, China

    Yulei Liu, Liping Yan, Bo Xiao, Yuanqing Xia & Mengyin Fu

Authors
  1. Yulei Liu
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  2. Liping Yan
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  3. Bo Xiao
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  4. Yuanqing Xia
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  5. Mengyin Fu
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Corresponding author

Correspondence to Yulei Liu .

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Editors and Affiliations

  1. Department of Computer Science and Technology, Tsinghua University, Beijing, China, People's Republic

    Fuchun Sun

  2. School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China, People's Republic

    Tianrui Li

  3. Department of Computer Science and Techn, Tsinghua University, Beijing, China, People's Republic

    Hongbo Li

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Liu, Y., Yan, L., Xiao, B., Xia, Y., Fu, M. (2014). Multirate Multisensor Data Fusion Algorithm for State Estimation with Cross-Correlated Noises. In: Sun, F., Li, T., Li, H. (eds) Knowledge Engineering and Management. Advances in Intelligent Systems and Computing, vol 214. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37832-4_3

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  • DOI: https://doi.org/10.1007/978-3-642-37832-4_3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-37831-7

  • Online ISBN: 978-3-642-37832-4

  • eBook Packages: EngineeringEngineering (R0)

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