| 微型航姿系统中三轴MEMS加速度计组合误差建模方法 |
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| 引用本文： | 陆辰,李荣冰,刘建业,杭义军.微型航姿系统中三轴MEMS加速度计组合误差建模方法[J].测试技术学报,2011,25(1):29-34. |
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| 作者姓名： | 陆辰 李荣冰 刘建业 杭义军 |
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| 作者单位： | 南京航空航天大学导航研究中心,江苏,南京,210016 |
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| 基金项目： | 国家自然科学基金资助项目(60804058) |
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| 摘 要： | 根据微机械(MEMS)加速度计的测鲢原理对其误差源进行了分析,并研究了微型航姿系统中加速度计的非正交零偏以及温度特性.基于加速度计输出电压随温度变化的规律,利用分温度段对加速度计进行六位置标定的方法建立加速度计的误差模型,并应用于微型航姿系统,实现加速度计的实时补偿.多次实验结果表明,加速度计的误差模型校正了加速度计的...
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| 关 键 词： | 加速度计 温度漂移误差 非正交零偏 六位置标定 分段线性 |
Combined Error Modeling for 3D-MEMS Accelerometer in MIMU |
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| LU Chen,LI Rongbing,LIU Jianye,HANG Yijun.Combined Error Modeling for 3D-MEMS Accelerometer in MIMU[J].Journal of Test and Measurement Techol,2011,25(1):29-34. |
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| Authors: | LU Chen LI Rongbing LIU Jianye HANG Yijun |
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| Affiliation: | LU Chen,LI Rongbing,LIU Jianye,HANG Yijun(Navigation Research Center,Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China) |
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| Abstract: | The error sources of MEMS accelerometer were analyzed according to its measurement principle,and the non-orthogonal bias and temperature characteristics of the accelerometer in the MIMU were studied.We used six-position calibration in sub-temperature ranges to establish an accelerometer error model,and the solution was applied to MIMU to implement real-time compensation.Many experimental results show that,the accelerometer error model calibrates the accelerometer bias coupling of non-orthogonal error and ze... |
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| Keywords: | ccelerometer temperature drift error non-orthogonal bias six-position calibration piecewise linear |
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