International Journal of Control, Automation, and Systems

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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A Modified Weighted Least Squares Range Estimator for ASM (Anti-Ship Missile) Application

  • Whang Ick-Ho (Guidance and Control Department 3-1-3, Agency for Defense Development) ;
  • Ra Won-Sang (Guidance and Control Department 3-1-3, Agency for Defense Development) ;
  • Ahn Jo-Young (Guidance and Control Department 3-1-3, Agency for Defense Development)
  • Published : 2005.09.01
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Abstract

A practical recursive WLS (weighted least squares) algorithm is proposed to estimate relative range using LOS (line-of-sight) information for ASM (anti-ship missile) application. Apart from the previous approaches based on the EKF (extended Kalman filter), to ensure good convergence properties in long range engagement situations, the proposed scheme utilizes LOS rate measurements instead of conventionally used LOS angle measurements. The estimation error property for the proposed filter is investigated and a simple error compensator is devised to enhance its estimation error performances. Simulation results indicate that the proposed filter produces very accurate range estimates with extremely small computations.

Keywords

References

  1. T. L. Song, 'A stochastic analysis of a modified gain extended kalman filter with applications to estimation with bearings only measurements,' IEEE Trans. on Automatic Control, vol. 30, no. 10, pp. 940-949, 1985 https://doi.org/10.1109/TAC.1985.1103821
  2. M. J. Moorman and T. E. Bullock, 'A stochastic perturbation analysis of bias in the extended kalman filter as applied to bearings-only estimation,' Proc. of IEEE Conference on Decision and Control, pp. 3778-3783, 1992
  3. N. Peach, 'Bearings-only tracking using a set of range-parameterized extended Kalman filters,' IEE Proc. Control Theory Appl., vol. 142, no. 1, pp. 73-80, 1995
  4. R. Karlsson and F. Gustafsson, 'Range estimation using angle-only target tracking with particle filters,' Proc. of American Control Conference, pp. 25-27, 2001
  5. T. L. Song and T. Y. Um, 'Practical guidance for homing missiles with bearings-only tracking,' IEEE Trans. on Aerospace and Electronics Systems, vol. 32, pp. 434-443, 1996 https://doi.org/10.1109/7.481284