平台摇摆对卡尔曼滤波跟踪精度的影响

doi:10.7527/S1000-6893.2016.0249

Abstract

Abstract:

The model for the target relative movement coordinate system and movement tracking is built to study the influence of platform swaying on the target's movement status captured by the tracking system. Base on the theory of strapdown vertical datum system compensating, the compensating model for the swaying angle is developed. The compensating model is applicable for the strapdown vertical datum system after theoretical derivation of the compensating algorithm. The influence on accuracy of Kalman filter tracking of platform swaying is analyzed by contrasting the difference between different tracking modes of compensating. The main influence on the accuracy of Kalman filter tracking under the condition of platform swaying is figured out to be the increase of model error, which may cause the divergence of the filter. The simulation model is built to prove the correctness of the conclusion, and the simulation result can provide theoretical reference for improving the ship-based tracking theory.

Key words: platform swaying, relative movement tracking model, strapdown vertical datum system, Kalman filter tracking, model error

CLC Number:

CHENG Han, CHEN Weiyi, XIE Zhiliang. Influence of platform swaying on accuracy of Kalman filter tracking[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(6): 320589-320589.

References

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Influence of platform swaying on accuracy of Kalman filter tracking

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