Journal of Marine Science and Application

, Volume 16, Issue 3, pp 344–351 | Cite as

A comprehensive method for evaluating precision of transfer alignment on a moving base

  • Hongliang Yin (尹洪亮)
  • Bo Xu (徐博)
  • Dezheng Liu (刘德政)
Article

Abstract

In this study, we propose the use of the Degree of Alignment (DOA) in engineering applications for evaluating the precision of and identifying the transfer alignment on a moving base. First, we derive the statistical formula on the basis of estimations. Next, we design a scheme for evaluating the transfer alignment on a moving base, for which the attitude error cannot be directly measured. Then, we build a mathematic estimation model and discuss Fixed Point Smoothing (FPS), Returns to Scale (RTS), Inverted Sequence Recursive Estimation (ISRE), and Kalman filter estimation methods, which can be used when evaluating alignment accuracy. Our theoretical calculations and simulated analyses show that the DOA reflects not only the alignment time and accuracy but also differences in the maneuver schemes, and is suitable for use as an integrated evaluation index. Furthermore, all four of these algorithms can be used to identify the transfer alignment and evaluate its accuracy. We recommend RTS in particular for engineering applications. Generalized DOAs should be calculated according to the tactical requirements.

Keywords

transfer alignment precision assessment degree of alignment Kalman smoothing returns to scale moving base engineering applications comprehensive method 

移动基座传递对准精度评估的综合方法研究

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Copyright information

© Harbin Engineering University and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Hongliang Yin (尹洪亮)
    • 1
    • 2
  • Bo Xu (徐博)
    • 3
  • Dezheng Liu (刘德政)
    • 3
  1. 1.China Ship Research and Development AcademyBeijingChina
  2. 2.Department of Precision InstrumentTsinghua UniversityBeijingChina
  3. 3.School of AutomationHarbin Engineering UniversityHarbinChina

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