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基于相关向量机的MEMS加速度计零偏温漂补偿

徐哲 刘云峰 董景新

徐哲, 刘云峰, 董景新等 . 基于相关向量机的MEMS加速度计零偏温漂补偿[J]. 北京航空航天大学学报, 2013, 39(11): 1558-1562.
引用本文: 徐哲, 刘云峰, 董景新等 . 基于相关向量机的MEMS加速度计零偏温漂补偿[J]. 北京航空航天大学学报, 2013, 39(11): 1558-1562.
Xu Zhe, Liu Yunfeng, Dong Jingxinet al. Thermal bias drift compensation of MEMS accelerometer based on relevance vector machine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(11): 1558-1562. (in Chinese)
Citation: Xu Zhe, Liu Yunfeng, Dong Jingxinet al. Thermal bias drift compensation of MEMS accelerometer based on relevance vector machine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(11): 1558-1562. (in Chinese)

基于相关向量机的MEMS加速度计零偏温漂补偿

基金项目: 总装“十二五”预研资助项目(513090203**)
详细信息
  • 中图分类号: U666.1

Thermal bias drift compensation of MEMS accelerometer based on relevance vector machine

  • 摘要: 应用相关向量机(RVM,Relevance Vector Machine)回归预测方法建立了基于RVM的零偏温漂预测补偿模型,利用温度值和温升速率作为输入可预测不同温变过程下的加速度计零偏温漂,探讨了不同训练样本数量、核函数类型和不同的核函数宽度对预测补偿效果的影响,最后应用环境温度试验数据对模型进行检验和验证.结果表明:基于RVM的零偏温漂预测补偿模型能够有效的预测微机械(MEMS,Micro Electro Mechanical Systems)加速度计零偏温漂,模型预测的均方根误差小于1%,补偿后滞环误差最大由0.06g缩减为0.015g.

     

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出版历程
  • 收稿日期:  2012-12-18
  • 刊出日期:  2013-11-30

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