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弹道学报  2014 

基于卡尔曼滤波的轴向加速度动态误差补偿方法

Keywords: 轴向加速度,卡尔曼滤波,误差补偿

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Abstract:

为了减小高速旋转弹上加速度传感器的量测误差,提出了基于质点弹道模型的比例系数卡尔曼滤波估计算法。结合转速的实时测量,对加速度传感器输出数据进行动态补偿,得到了轴向加速度的测量值。蒙特卡洛模拟仿真和外场试验证实了理论分析的正确性和误差消除方法的有效性。外场试验表明,轴向加速度测量值相对雷达测量值误差的均值小于0.05g,均方差小于0.32g,轴向加速度测量误差的均值由0.1g降低到0.01g的量级,大幅度地提高了轴向加速度测量精度。

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