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首页> 外文期刊>Aerospace science and technology >Calibration of cross quadratic term of gyro accelerometer on centrifuge and error analysis
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Calibration of cross quadratic term of gyro accelerometer on centrifuge and error analysis

机译：离心机上陀螺加速度计交叉二次项的标定及误差分析

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摘要

In order to calibrate the cross quadratic term of gyro accelerometer on precision centrifuge precisely and effectively, the original mechanism of cross quadratic term is analyzed at first, then the calibration model of gyro accelerometer on centrifuge is established, and the calibration method is designed afterwards. Based on the method, the precise input specific force and input angular rate of gyro accelerometer tested on centrifuge are given, and the dynamic errors of centrifuge are compensated, simultaneously the static errors of centrifuge are restrained. Applying this method in real calibration, the cross quadratic term is identified successfully which improves the calibration accuracy of second-order coefficient, and finally the effectiveness of method is verified through error analysis. (C) 2015 Elsevier Masson SAS. All rights reserved.
机译：为了准确有效地校准陀螺加速度计的正交误差项，首先分析了正交误差的原始机理，然后建立了陀螺加速度计的离心率校准模型，然后设计了校准方法。该方法给出了在离心机上测试得到的陀螺加速度计的精确输入比力和输入角速率，补偿了离心机的动态误差，同时抑制了离心机的静态误差。将该方法应用于实际标定，成功地识别了二次项，提高了二阶系数的标定精度，最后通过误差分析验证了该方法的有效性。 （C）2015 Elsevier Masson SAS。版权所有。

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