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Meng Xiangtao, Cai Chunlong. 罗经回路在船用航姿系统中的应用与工程实现[J]. Chinese Journal of Ship Research, 2008, 3(6): 61-65. DOI: 10.3969/j.issn.1673-3185.2008.06.015
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Meng Xiangtao, Cai Chunlong. 罗经回路在船用航姿系统中的应用与工程实现[J]. Chinese Journal of Ship Research, 2008, 3(6): 61-65. DOI: 10.3969/j.issn.1673-3185.2008.06.015
Meng Xiangtao, Cai Chunlong. 罗经回路在船用航姿系统中的应用与工程实现[J]. Chinese Journal of Ship Research, 2008, 3(6): 61-65. DOI: 10.3969/j.issn.1673-3185.2008.06.015
Citation:
Meng Xiangtao, Cai Chunlong. 罗经回路在船用航姿系统中的应用与工程实现[J]. Chinese Journal of Ship Research, 2008, 3(6): 61-65. DOI: 10.3969/j.issn.1673-3185.2008.06.015
罗经回路在船用航姿系统中的应用与工程实现
Meng Xiangtao
,
Cai Chunlong
Graphical Abstract
Graphical Abstract
Abstract
Abstract
由惯性导航原理的特性可知,纯惯性无阻尼航姿系统的误差将出现明显的周期性振荡,并随时间发散,如水平姿态误差体现出傅科周期调制舒勒周期振荡,方位误差体现出地球周期振荡。若在水平回路中加入阻尼网络,可使其舒勒周期振荡衰减,傅科周期振荡也将随之消失,再加入方位阻尼,就能完成内全阻尼网络的设计。文章将平台精对准中罗经回路的思想引入到捷联航姿系统中,并通过改变原有航姿算法以达到内全阻尼的目的,最后的数字仿真结果表明,该新算法可使航姿系统不依赖任何外部信息就能使姿态精度得到提高。
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