Research on line of sight angular rate estimation of strapdown seeker

Jianan Wang; Xiaole Peng; Zhihao Wang

doi:10.1117/12.2660853

16 December 2022 Research on line of sight angular rate estimation of strapdown seeker

Jianan Wang, Xiaole Peng, Zhihao Wang

Proceedings Volume 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022); 125002C (2022) https://doi.org/10.1117/12.2660853
Event: 5th International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 2022, Chongqing, China

Abstract

With the rapidly development of global military, missiles play an increasingly important role in modern war. The realization of precise guidance for missiles has become an important problem to be solved at present, and the seeker is an important equipment to realize precise guidance. The traditional gimbal seeker has many disadvantages such as large volume, high cost and complex structure, so the strapdown seeker appears. Although the strapdown seeker can effectively solve the problems above, there are problems such as high noise, attitude coupling, phase matching, etc. So, strapdown seeker requires higher estimation algorithm than traditional gimbal seeker. In order to improve the filtering accuracy, this paper adds an adaptive link to the unscented Kalman filter to form an adaptive unscented Kalman filter. Finally, through simulation and comparison, it is found that the filtering accuracy after adding adaptation is a little higher than that before adding adaptation.

Citation Download Citation

Jianan Wang, Xiaole Peng, and Zhihao Wang "Research on line of sight angular rate estimation of strapdown seeker", Proc. SPIE 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 125002C (16 December 2022); https://doi.org/10.1117/12.2660853

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KEYWORDS

Filtering (signal processing)

Missiles

Error analysis

Signal detection

Target detection

Algorithm development

Signal processing

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