Abstract
Multimode compound guidance is the important research direction of the future intelligent ammunition development. For the fusion of seeker’s pitch and azimuth deviations in laser, millimeter wave, and infrared three-mode compound guidance, a grey relational belief degree least squares method is proposed in this study. Angle measurement models are firstly constructed for the three guidance modes. Grey relational degrees among the data of different modes are calculated to construct the grey relational matrix. And then, the grey relational matrix is used as the probability distribution between different modes. The belief degree of each mode is calculated in real time according to evidence theory in the fusion process. Finally, the least squares fusion result based on the grey relational belief degree is obtained. In simulation experiments, compared with weighted least square method, the fusion approach in this study achieves a lower root mean square error.
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