| 基于Allan方差的MEMS陀螺仪性能评价方法 |
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| 引用本文： | 邹学锋,卢新艳.基于Allan方差的MEMS陀螺仪性能评价方法[J].微纳电子技术,2010,47(8). |
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| 作者姓名： | 邹学锋 卢新艳 |
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| 作者单位： | 中国电子科技集团公司,第十三研究所,石家庄,050051 |
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| 摘 要： | 介绍了Allan方差的基本定义,以及采用Allan方差对陀螺零偏数据进行处理所需的测试系统构成及测试要点。详细推导了采用Allan方差法对陀螺仪噪声进行估算的过程,描述了应用MATLAB进行数据处理平台建设的主要流程。最后运用Allan方差理论对MEMS陀螺信号进行了定量分析,得到了MEMS陀螺仪的量化噪声系数、角度随机游走系数、偏差不稳定性系数、速率随机游走系数和速率斜坡系数5个误差源系数,实验表明该方法能有效地辨识微机械陀螺的各项随机误差成分,可以正确评价陀螺仪的性能指标,为陀螺仪的设计改进提供了依据。
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| 关 键 词： | MEMS 陀螺仪 Allan方差 MATLAB 随机误差 |
Estimate Method of MEMS Gyroscope Performance Based on Allan Variance |
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| Zou Xuefeng,Lu Xinyan.Estimate Method of MEMS Gyroscope Performance Based on Allan Variance[J].Micronanoelectronic Technology,2010,47(8). |
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| Authors: | Zou Xuefeng Lu Xinyan |
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| Affiliation: | Zou Xuefeng,Lu Xinyan(The 13th Research Institute,CETC,Shijiazhuang 050051,China) |
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| Abstract: | The basic definition of Allan variance,the structure of test system and test main points for gyroscope bias data process using Allan variance were introduced.The estimate process of gyroscope noise with Allan variance method was presented in detail and the main procedure of data processing platform construction by MATLAB was given.The MEMS gyroscope signal was quantitative analyzed with the theory of Allan variance and five error coefficients of the gyroscope were obtained,including quantization noise coeff... |
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| Keywords: | MEMS MATLAB |
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