| 基于MEMS和CORTEX-M3的微惯性测量单元研制 |
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| 引用本文： | 赵志方,常佶.基于MEMS和CORTEX-M3的微惯性测量单元研制[J].微计算机信息,2011(7):75-76,201. |
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| 作者姓名： | 赵志方 常佶 |
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| 作者单位： | 内蒙古呼和浩特内蒙古工业大学机电控制重点实验室; |
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| 摘 要： | 从工程实际出发,给出了一种基于新型Cortex-M3内核ARM和MEMS惯性传感器的低成本、高性能微型惯性测量单元的结构框架。详细介绍了采用三轴MEMS陀螺、三轴MEMS加速度计和三轴磁阻传感器研制的微惯性测量单元硬件设计方案,分析了陀螺和加速度计的信号噪声,利用均值滤波法对信号进行预处理,对预处理后的信号采用FIR滤波器进行滤波,对陀螺和加速度计进行了标定。该测量单元已应用于某小型无人机的姿态测量,达到预期效果。
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| 关 键 词： | 微惯性测量单元 微机电系统 过采样 滤波 误差补偿 |
Design of MIMU Based On MEMS & CORTEX-M3 |
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| ZHAO Zhi-fang CHANG Ji.Design of MIMU Based On MEMS & CORTEX-M3[J].Control & Automation,2011(7):75-76,201. |
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| Authors: | ZHAO Zhi-fang CHANG Ji |
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| Affiliation: | ZHAO Zhi-fang CHANG Ji (Inner Mongolia University of Technology,Hohhot 010051,P. R.China) |
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| Abstract: | From an engineering reality, a high-performance micro inertial measurement unit of the structural framework is given based on the new ARM of Cortex-M3 core and low-cost MEMS inertial sensors.It is described in detail with three-axis MEMS gyroscopes, MEMS accelerometers and triaxial magnetoresistive sensor in the development of micro inertial measurement unit hardware design and analysis of the gyroscope and accelerometer signal noise and the signal filtering method using the mean pretreatment After pretreat... |
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| Keywords: | MIMU MEMS Oversampling filtering Error compensation |
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