自动补偿技术在平台惯导系统状态切换中的应用研究

Application of auto-compensation technology to the switches of INS states

平台式惯导系统作为一种弱阻尼系统在状态切换过程中会产生超调,这些超调会降低导航系统的精度.文中以实际研制的惯导系统为研究对象,在对惯导系统状态切换过程中的超调现象进行详尽分析和研究的基础上,采用自动补偿技术减小状态切换过程中的超调现象.计算机仿真和工程试验的结果表明:该方法能够在不引入新的稳态误差的情况下,大大减小平台式惯导系统状态切换过程中的超调,具有重要的工程实际应用价值.

Switches of inertial navigation system （INS） states can cause system overshoot and impair precision because INS is a weak closed-loop system. Based on detailed analysis of this phenomenon, auto-compensation technology was used to eliminate overshoot of the system. ＇Computer simulations and field experiments show that the technology can eliminate the system overshoot greatly without introducing new steady-state error. Results prove this method effective and predictable.