基于零值补偿和EMD的加速度积分误差消除方法 |
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引用本文: | 冯锟,;冯建兰. 基于零值补偿和EMD的加速度积分误差消除方法[J]. 黄石理工学院学报, 2014, 0(4): 20-24 |
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作者姓名: | 冯锟, 冯建兰 |
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作者单位: | [1] 武汉大学电气工程学院,湖北武汉430072; [2] 湖北理工学院,湖北黄石435003 |
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摘 要: | 为探求加速度积分误差的消除方法,利用频谱对实测加速度数据进行分析,以误差频率和理想的加速度变化曲线来评价误差。采用基于零值补偿和经验模态分解(Empirical Mode Decomposition,EMD)的方法,对实测数据进行了误差校正与评价,实践证明该方法能有效消除积分算法中的误差。
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关 键 词: | 加速度传感器 频谱分析 误差评价 经验模态分解 |
Method of Eliminating Integral Error Based on Zero Compensation and EMD |
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Affiliation: | Feng Kun, Feng Jianlan ( 1School of Electrical Engineering, Wuhan University, Wuhan Hubei 430072 ; 2Hubei Polytechnic University, Huangshi Hubei 435003) |
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Abstract: | For seeking the method of eliminating the acceleration integral error ,this paper uses the frequency analysis on the measured data and get the error frequency and ideal acceleration curve , then process meas-ured data based on the zero compensation and Empirical Mode Decomposition(EMD),correct and evaluate the error.The conclusion proves that this method can eliminate the error in integral . |
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Keywords: | acceleration sensor spectral analysis error evaluation EMD |
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