期刊
ENTROPY
卷 19, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/e19120648
关键词
Kalman filter; alpha-jerk model; maximum correntropy criterion; non-Gaussian noise; robustness; influence function; kernel size
资金
- National Defense Technology Foundation of China [3101065]
- National Natural Science Foundation of China (NSFC) [61773021, 61703408, 61573367]
- Student Research Innovation Scholarship of Hunan Province [CX2014B010]
As one of the most critical issues for target track, alpha-jerk model is an effective maneuver target track model. Non-Gaussian noises always exist in the track process, which usually lead to inconsistency and divergence of the track filter. A novel Kalman filter is derived and applied on alpha-jerk tracking model to handle non-Gaussian noise. The weighted least square solution is presented and the standard Kalman filter is deduced firstly. A novel Kalman filter with the weighted least square based on the maximum correntropy criterion is deduced. The robustness of the maximum correntropy criterion is also analyzed with the influence function and compared with the Huber-based filter, and, moreover, the kernel size of Gaussian kernel plays an important role in the filter algorithm. A new adaptive kernel method is proposed in this paper to adjust the parameter in real time. Finally, simulation results indicate the validity and the efficiency of the proposed filter. The comparison study shows that the proposed filter can significantly reduce the noise influence for alpha-jerk model.
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