Line-of-sight angular rate accuracy analysis of strapdown imaging seeker

	Line-of-sight angular rate accuracy analysis of strapdown imaging seeker
	Sun, T.; H. Chu; L. Guo; Y. Chen; B. Zhang; Y. Zhang and H. Jia
	2015
发表期刊	Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument
卷号	36 期号:7 页码:1479-1487
摘要	In order to analyze line-of-sight(LOS) angular rate accuracy factors of the strapdown imaging seeker, LOS angular rate accuracy calculations algorithm is proposed. LOS angular rate estimation algorithm is derived, and "differential + Steady state Kalman" algorithm is used to estimate body LOS angular rate. The error sensitivity of each error source is analyzed in detail using the error theory, and LOS angular rate accuracy calculation algorithm is presented. The error characteristic and causes of body LOS angle, body angular rate, attitude and body LOS angular rate are investigated. The verification system of the LOS angular rate accuracy calculation algorithm is established and experiment is carried out. Results show that estimation accuracies of the LOS elevation angular rate and the azimuth angular rate are 0.273/s and 0.235/s, experimental results are 0.281/s and 0.242/s, and relative errors are 2.85% and 2.89%, respectively. Experimental results also verify the correctness and accuracy of the algorithm. The results can be used to the whole strapdown imaging guidance and control system design process, and it provides a theoretical basis for the accuracy of the LOS angular rate estimation and indicator allocation. , 2015, Science Press. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56353
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Sun, T.,H. Chu,L. Guo,et al. Line-of-sight angular rate accuracy analysis of strapdown imaging seeker[J]. Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument,2015,36(7):1479-1487.
APA	Sun, T.,H. Chu,L. Guo,Y. Chen,B. Zhang,&Y. Zhang and H. Jia.(2015).Line-of-sight angular rate accuracy analysis of strapdown imaging seeker.Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument,36(7),1479-1487.
MLA	Sun, T.,et al."Line-of-sight angular rate accuracy analysis of strapdown imaging seeker".Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument 36.7(2015):1479-1487.

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