[1]贾勇,马戎,李岁劳.MEMS陀螺零偏温度补偿[J].机械与电子,2019,(03):18-21.
　JIA Yong,MA Rong,LI Suilao. Bias Temperature Compensation Method of MEMS Gyroscope [J].Machinery & Electronics,2019,(03):18-21.
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MEMS陀螺零偏温度补偿()
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机械与电子[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2019年03期
页码:
18-21
栏目:
设计与研究
出版日期:
2019-03-24

文章信息/Info

Title:
Bias Temperature Compensation Method of MEMS Gyroscope
文章编号:
1001-2257（2019）03-0018-04
作者:
贾勇; 马戎; 李岁劳
(西北工业大学自动化学院,陕西 西安 710129)
Author(s):
JIA Yong; MA Rong; LI Suilao
（School of Automation，Northwestern Polytechnical University，Xi’an 710129，China）
关键词:
MEMS; 小波变换; 神经网络; 温度补偿
Keywords:
MEMS;  wavelet transform;  neural network;  temperature compensation
分类号:
U666.12
文献标志码:
A
摘要:
MEMS 陀螺零偏是 惯性导航系统的主要误差源之一，而外界环境温度变化对 MEMS 陀螺零偏具有重要影响 。 针对 上述 情况，提出基于小波阈值去噪与 RBF 神经网络相结合的零偏温度补偿方法。通过设计好的实验方案采集与温度相关的 MEMS 陀螺输出数据，并采用不同的温度补偿方法进行零偏温度补偿。实验结果表明，与原始输出、多项式拟合及 RBF 神经网络相比，基于去噪 RBF 神经网络的零偏温度补偿方法精度更高，适应性更强，有效地提高了 MEMS 陀螺输出精度，进而提高惯性导航系统精度。
Abstract:
The bias of the MEMS (Micro-Electro-Mechanical System) gyroscope is one of the main error sources of the inertial navigation system (INS), and the change of ambient temperature has an important influence on the bias of the MEMS gyroscope. In view of the above situation, a bias temperature compensation method based on wavelet threshold denoising and radial basis function (RBF) neural network was proposed. The temperature-related output data of the MEMS gyroscope was collected through the designed experimental scheme, and the bias temperature compensation of the obtained data was carried out by using different temperature compensation methods. The experimental results show that, compared with the original output, the polynomial fitting and the RBF neural network, the bias temperature compensation method based on wavelet threshold denoising and RBF neural network has higher accuracy and stronger adaptability, and effectively improves the output accuracy of the MEMS gyroscope, thereby improving the accuracy of the inertial navigation system.

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备注/Memo

备注/Memo:

收稿日期： 2018-11- 14

作者简介： 贾勇（ 1988- ），男，湖南龙山人，博士研究生，研究方向为惯性导航与组合导航；马戎（ 1963- ），女，陕西渭南人，博士，副教授，研究方向为仪器科学与检测技术。

更新日期/Last Update: 2019-10-28