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A Quadratic Interpolation-Based Variational Bayesian Algorithm for Measurement Information Lost in Underwater Navigation

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  • Yuan Yang
  • Jiacheng Tang
  • Haoqian Huang
  • Xiaoguo Zhang
  • Tingting Zhang
  • Yujin Kuang

Abstract

The main challenges of sequential estimations of underwater navigation applications are the internal/external measurement noise and the missing measurement situations. A quadratic interpolation-based variational Bayesian filter (QIVBF) is proposed to solve the underwater navigation problem of measurement information missing or insufficiency. The quadratic interpolation is used to improve the observed vector for the precision and stability of sequential estimations when the environment is changed or the measurement information is lost. The state vector, the predicted error covariance matrix, and the measurement noise matrix are derived based on the variational Bayesian method. Simulation results demonstrate the superiority of the proposed QIVBF compared with the traditional algorithm under the condition of measurement information lost by autonomous underwater vehicles.

Suggested Citation

  • Yuan Yang & Jiacheng Tang & Haoqian Huang & Xiaoguo Zhang & Tingting Zhang & Yujin Kuang, 2020. "A Quadratic Interpolation-Based Variational Bayesian Algorithm for Measurement Information Lost in Underwater Navigation," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-10, December.
    • Handle: RePEc:hin:jnlmpe:6666411
    DOI: 10.1155/2020/6666411
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