针对载体运动状态下惯性导航系统(INS)定位精度受加速度计动态性能的影响,提出一种动态环境下的石英加速度计的误差分离测试方法。建立了石英加速度计动态环境下的模型,设计了转台模拟载体机动的工作环境,分析了动态测试原理,并根据测试结果对其性能进行分析。试验结果表明:提出的加速度计动态测试方法可以有效地得到石英加速度计的动态性能指标。
Aiming at the positioning precision of INS is effected by the dynamic performance of the accelerometer when the vehicle is on moving.The testing method based on error esparation is proposed.The model of quartz accelerometer in dynamic environment is built up and the working environment of turntable simulating carrier motor-driven.The dynamic testing principle and the testing results are analyzed.Experimental results show that,the dynamic performance index of accelerometer can be obtained effectively by the proposed accelerameter dynamic testing method.