激光陀螺捷联惯性导航系统的精密温控设计与验证

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在激光陀螺捷联惯性导航系统的工作过程中,外界环境温度的变化会对系统内加速度计的测量精度产生干扰,进而影响导航精度。因此为了提高捷联惯性导航系统的导航精度,需要对其工作环境进行精密的温度控制。根据对捷联惯性导航系统中加速度计的热学分析,可以得知当温控精度达到0.01℃时,加速度计的输出精度可以达到1×10-5 m/s2。本文对加速度计的误差特性进行了理论分析,同时搭建了一套多级精密温度控制系统,通过理论分析与基于实际温控系统的实验,验证了温度控制的理论并且研究了其在不同工作环境下的工作性能。
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