摘要
框架式稳定平台中的装调误差影响视线角速度的测量精度。给出了框架轴系偏差的数学描述,在此基础上研究了轴系偏差和陀螺敏感轴交叉耦合情况下三自由度框架式红外稳定平台对视线角速度的计算方法。并比较了这两类装调误差对视线角速度测量精度影响的大小。仿真结果表明,通过对装调误差补偿,视线角速度的测量精度可显著改善。所得结果对新型框架式稳定平台系统的误差指标分配具有重要的参考价值。
Installation errors of a stabilized platform with a frame structure affect the calculation accuracy of the line-of-sight(LOS)angular velocity.Mathematical descriptions for the axis system deviation of frames are given.Based on these,calculation methods for a three degree-of-freedom infrared stabilized platform are studied under the conditions of axis system deviation and cross coupling of sensitive axes of gyros.The influences on the measuring accuracy of LOS angular velocity caused by these two kinds of installation errors are compared.It is shown by simulation results that compensating for installation errors can effectively improve the measuring accuracy of LOS angular velocity.The results are important for error index decomposition for the design of a late-model-stabilized platform with a frame structure.
作者
陈争
付奎生
丁海山
CHEN Zheng;FU Kuisheng;DING Haishan(China Airborne Missile Academy,Luoyang 471009,China;Aviation Key Laboratory of Science and Technology on Airborne Guided Weapons,Luoyang 471009,China)
出处
《红外技术》
CSCD
北大核心
2021年第2期110-115,共6页
Infrared Technology
基金
中国空空导弹研究院创新基金(CKJ0000)。
关键词
稳定平台
装调误差
框架轴系
视线角速度
stabilized platform
installation error
axis system
LOS angular velocity
