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MEMS陀螺标度因数误差分析及分段插值补偿

李建利 房建成 盛蔚

李建利, 房建成, 盛蔚等 . MEMS陀螺标度因数误差分析及分段插值补偿[J]. 北京航空航天大学学报, 2007, 33(09): 1064-1067.
引用本文: 李建利, 房建成, 盛蔚等 . MEMS陀螺标度因数误差分析及分段插值补偿[J]. 北京航空航天大学学报, 2007, 33(09): 1064-1067.
Li Jianli, Fang Jiancheng, Sheng Weiet al. Error analysis and integrated compensation of scale factor for MEMS gyroscope[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1064-1067. (in Chinese)
Citation: Li Jianli, Fang Jiancheng, Sheng Weiet al. Error analysis and integrated compensation of scale factor for MEMS gyroscope[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1064-1067. (in Chinese)

MEMS陀螺标度因数误差分析及分段插值补偿

基金项目: 国防基础科研基金资助项目(D1210060013); 新世纪人才资助项目(NCET-04-0162)
详细信息
    作者简介:

    李建利(1979-),男,黑龙江牡丹江人,博士生,iilijianli@yahoo.com.cn.

  • 中图分类号: V 249. 32+2

Error analysis and integrated compensation of scale factor for MEMS gyroscope

  • 摘要: 动态条件下,标度因数引起的误差是MEMS(Micro Electromechanical System)陀螺主要误差源之一.为了提高陀螺精度,基于内框驱动式硅MEMS陀螺误差机理,分析了标度因数常值误差、非线性误差以及不对称误差的物理起因,构建了标度因数误差数学模型,提出了对陀螺标度因数按照角速度大小分段插值的补偿方法,消除了转速引起的陀螺标度因数误差.试验结果表明:MEMS陀螺标度因数误差高达4053.2(°)/h(1 σ ),采用分段插值法补偿后陀螺误差减小到79.0(°)/h(1 σ ),补偿精度比一次拟合及分段法分别提高了15.4倍和7.5倍,验证了MEMS陀螺标度因数误差模型的正确性,证明了标度因数实时分段插值补偿方法的准确性和适用性.

     

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出版历程
  • 收稿日期:  2006-09-30
  • 网络出版日期:  2007-09-30

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